Halo: The Master Chief Collection Xbox One Achievements

Halo: The Master Chief Collection Achievements

There are 700 Halo: The Master Chief Collection Achievements worth 6000 gamerscore

Just Getting Started

Kill 100 enemies or players.

Your Journey Begins

Complete a campaign mission or a match of multiplayer.

Life Story

Complete the Master Chief Saga playlist.

Balaho's Most Wanted

Kill 100 Grunts.

The One Percent

Kill 100 Elites.

Spoilsport

Kill 100 Jackals.

Going Bananas

Kill 100 Brutes.

Hunters Hunted

Kill 50 Hunters.

Checkmate

Kill 100 Watchers.

I Was Wondering What Would Break First

Kill 100 Knights.

Pest Control

Kill 100 Crawlers.

Thanks A Killion

Kill 20,000 enemies or players.

Medal Completionist

Collect 10,000 campaign or playlist medals.

The Guardians Are Coming

Get killed by the Guardians.

Mystery Achievement

Inscrutable. Mysterious.

Where Am I?

Complete 10 missions or multiplayer games.

I Got This

Complete 100 missions or multiplayer games.

Tempered Blade

Win 10 multiplayer games.

Forged in Fire

Win 100 multiplayer games.

Sample Plate

Complete three cross-game playlists.

I Dabble in Slaying

Complete one cross-game playlist.

Stick With It

Play a multiplayer or co-op game at least 3 months after your first game.

Veteran

Complete all campaigns on Normal difficulty.

War Hero

Complete all campaigns on Heroic difficulty.

Legend

Complete all campaigns on Legendary difficulty.

Lore Master

Activate all terminals.

LASO Master

Complete the LASO playlist for every Halo game.

The Silent Cartographer

Halo CE: Complete The Silent Cartographer.

Assault on the Control Room

Halo CE: Complete Assault on the Control Room.

Pillar of Autumn

Halo CE: Complete The Pillar of Autumn.

Halo

Halo CE: Complete Halo.

Truth and Reconciliation

Halo CE: Complete The Truth and Reconciliation.

343 Guilty Spark

Halo CE: Complete 343 Guilty Spark.

The Library

Halo CE: Complete The Library.

Two Betrayals

Halo CE: Complete Two Betrayals.

Keyes

Halo CE: Complete Keyes.

The Maw

Halo CE: Complete The Maw.

Hit The Beach

Halo CE: Beat the par time on The Silent Cartographer.

Would It've Killed You To Take The Elevator

Halo CE: Beat the par time on Assault on the Control Room.

Didn't Like This Ship Anyways

Halo CE: Beat the par time on The Pillar of Autumn.

Flyover Country

Halo CE: Beat the par time on Halo.

You Can't Handle the Truth

Halo CE: Beat the par time on The Truth and Reconciliation.

Lightning in a Bottle

Halo CE: Beat the par time on 343 Guilty Spark.

TLDR

Halo CE: Beat the par time on The Library.

Whistle Stop Tour

Halo CE: Beat the par time on Two Betrayals.

Scurty Bump

Halo CE: Beat the par time on Keyes.

All You Can Eat

Halo CE: Beat the par time on The Maw.

Did Somebody Say...

Halo CE: Beat par time on all Halo: CE levels.

Charted

Halo CE: Beat the par score on The Silent Cartographer.

Vetro Strike

Halo CE: Beat the par score on Assault on the Control Room.

Pillar of Awesome

Halo CE: Beat the par score on The Pillar of Autumn.

Giant Hula Hoop

Halo CE: Beat the par score on Halo.

You Really Can't Handle the Truth

Halo CE: Beat the par score on The Truth and Reconciliation.

Circuit Breaker

Halo CE: Beat the par score on 343 Guilty Spark.

Reading Room

Halo CE: Beat the par score on The Library.

It Was Inevitable

Halo CE: Beat the par score on Two Betrayals.

Headstrong

Halo CE: Beat the par score on Keyes.

Consumption Junction

Halo CE: Beat the par score on The Maw.

Overachiever

Halo CE: Beat the par score on all Halo: CE levels.

Arrival

Halo CE: Activate Terminal 1 on The Pillar of Autumn.

Sacrifice

Halo CE: Activate Terminal 2 on Halo.

Splinters

Halo CE: Activate Terminal 3 on The Truth and Reconciliation.

Idle Hands

Halo CE: Activate Terminal 4 on The Silent Cartographer.

Hitchhikers May Be Escaping Convicts

Halo CE: Activate Terminal 5 on Assault on the Control Room.

Bearly Contained

Halo CE: Activate Terminal 6 on 343 Guilty Spark.

Quis custodiet ipsos custodes?

Halo CE: Activate Terminal 7 on The Library.

Memories

Halo CE: Activate Terminal 8 on Two Betrayals.

Mind Games

Halo CE: Activate Terminal 9 on Keyes.

Kilotons of Fun

Halo CE: Activate Terminal 10 on The Maw.

Dear Diary...

Halo CE: Activate all Halo: CE Terminals.

Skulltaker Halo: CE: Iron

Halo CE: Find and claim the Iron skull in remastered mode.

Skulltaker Halo: CE: Mythic

Halo CE: Find and claim the Mythic skull in remastered mode.

Skulltaker Halo: CE: Boom

Halo CE: Find and claim the Boom skull in remastered mode.

Skulltaker Halo: CE: Foreign

Halo CE: Find and claim the Foreign skull in remastered mode.

Skulltaker Halo: CE: Famine

Halo CE: Find and claim the Famine skull in remastered mode.

Skulltaker Halo: CE: Bandana

Halo CE: Find and claim the Bandanna skull in remastered mode.

Skulltaker Halo: CE: Fog

Halo CE: Find and claim the Fog skull in remastered mode.

Skulltaker Halo: CE: Malfunction

Halo CE: Find and claim the Malfunction skull in remastered mode.

Skulltaker Halo: CE: Recession

Halo CE: Find and claim the Recession skull in remastered mode.

Skulltaker Halo: CE: Black Eye

Halo CE: Find and claim the Black Eye skull in remastered mode.

Skulltaker Halo: CE: Eye Patch

Halo CE: Find and claim the Eye Patch skull in remastered mode.

Skulltaker Halo: CE: Pinata

Halo CE: Find and claim the Pinata skull in remastered mode.

Skulltaker Halo: CE: Grunt Birthday Party

Halo CE: Find and claim the Grunt Birthday Party skull in remastered mode.

Headhunter

Halo CE: Find and claim all Skulls in Halo: CE.

Birth of a Spartan

Halo CE: Complete every level of the game on Normal difficulty.

Believe in a Hero

Halo CE: Complete every level of the game on Heroic difficulty.

Living Legend

Halo CE: Complete every level of the game on Legendary difficulty.

Overshields are for Sissies

Halo CE: Complete the level The Pillar of Autumn on Legendary without picking up an overshield.

Walk It Off

Halo CE: Complete The Pillar of Autumn on Legendary without picking up a health kit.

How Pedestrian

Halo CE: Complete Halo without entering a vehicle.

That Just Happened

Halo CE: Complete The Library on Heroic or Legendary difficulty without dying.

Look Out for the Little Guys

Halo CE: Complete Two Betrayals on Legendary difficulty without killing any Grunts.

Leave It Where It Lay

Halo CE: Complete Two Betrayals on Legendary difficulty without picking up a new weapon.

Tying Up Loose Ends

Halo CE: Kill every Elite on the level Keyes on Heroic or Legendary difficulty.

A Fine Choice

Halo CE: Complete a Halo: CE playlist.

Excellent Taste

Halo CE: Complete three Halo: CE playlists.

Like a Fine Wine

Halo CE: Complete the Halo: CE LASO Campaign playlist.

You Are The Weapon

Halo CE: Kill a Hunter with one pistol round.

Madrigal Debut

Halo CE: Trigger a hidden music cue in Halo: CE.

My Buddy Chips

Halo CE: Fight alongside Chips Dubbo and listen to his words of wisdom.

No Smoking

Halo CE: Disapprovingly look at Captain Keyes' abandoned pipe.

T-Rex

Halo CE: Find the hidden Rex sign on The Maw.

Thirsty Grunt

Halo CE: Listen to the Thirsty Grunt talk about his eating habits.

Megg

Halo CE: It's a sign.

Get Me Out of Here!

Halo CE: Ride in a Pelican for several seconds on the level 343 Guilty Spark.

Feet Firmly Planted

Halo CE: Complete a level without jumping.

Before and After

Halo CE: Complete every level of the game having seen it in both classic and remastered mode.

Standard Operating Brocedure

Complete any co-op level on Normal difficulty.

Brovershield

Complete any co-op level on Heroic difficulty.

He's Unstoppable

Halo CE: Complete any level on Heroic difficulty or higher without taking health damage.

The Good, The Bad, and The Dead

Collect 9,000 campaign or playlist medals.

A Day To Remember

Halo CE: Play Halo: CE on the 15th of any month.

Cairo Station

Halo 2: Complete Cairo Station.

Outskirts

Halo 2: Complete Outskirts.

Metropolis

Halo 2: Complete Metropolis.

The Arbiter

Halo 2: Complete The Arbiter.

Oracle

Halo 2: Complete The Oracle.

Delta Halo

Halo 2: Complete Delta Halo.

Regret

Halo 2: Complete Regret.

Sacred Icon

Halo 2: Complete Sacred Icon.

Quarantine Zone

Halo 2: Complete Quarantine Zone.

Gravemind

Halo 2: Complete Gravemind.

Uprising

Halo 2: Complete Uprising.

High Charity

Halo 2: Complete High Charity.

The Great Journey

Halo 2: Complete The Great Journey.

Don't Hangar Around

Halo 2: Beat the par time on Cairo Station.

Rooftop Runner

Halo 2: Beat the par time on Outskirts.

Speeding Ticket

Halo 2: Beat the par time on Metropolis.

YOLO Strats

Halo 2: Beat the par time on The Arbiter.

Reed the Strategy

Halo 2: Beat the par time on The Oracle.

So You Don't Want the Tank?

Halo 2: Beat the par time on Delta Halo.

I Regret Nothing

Halo 2: Beat the par time on Regret.

Terminal Velocity

Halo 2: Beat the par time on Sacred Icon.

Hot Zone

Halo 2: Beat the par time on Quarantine Zone.

Force of Will

Halo 2: Beat the par time on Gravemind.

No Man's Land

Halo 2: Beat the par time on Uprising.

Feeling Charitable

Halo 2: Beat the par time on High Charity.

Are We There Yet?

Halo 2: Beat the par time on The Great Journey.

Going Nowhere Fast

Halo 2: Beat par time on all Halo 2 levels.

Bomb Squad

Halo 2: Beat the par score on Cairo Station.

Objective Secured

Halo 2: Beat the par score on Outskirts.

Ripple Fire

Halo 2: Beat the par score on Metropolis.

Heresy Will Not Stay My Feet

Halo 2: Beat the par score on The Arbiter.

Leave None Alive

Halo 2: Beat the par score on The Oracle.

Boundless

Halo 2: Beat the par score on Delta Halo.

Fists of Fury

Halo 2: Beat the par score on Regret.

Guided Tour

Halo 2: Beat the par score on Sacred Icon.

The Doctor Is In

Halo 2: Beat the par score on Quarantine Zone.

Official Business

Halo 2: Beat the par score on Gravemind.

The Hype Is Real

Halo 2: Beat the par score on Uprising.

Digging up the Past

Halo 4: Access the Master Chief's records on Dawn.

Dawn

Halo 4: Complete Dawn.

Don't Make a Girl a Promise

Halo 2: Collect the Cortana toy in Gravemind.

Knowledgable

Halo 2: Activate Terminal 10 on Gravemind.

Go Ape Shiv

Halo 2: Kill an enraged, berserk Brute using melee.

Landfall

Halo 3: Complete Sierra 117.

Just A Taste

Collect 500 campaign or playlist medals.

Can't Keep Him Down

Halo 3: Fight alongside and listen to The Man. The Legend. Chips Dubbo.

Infinity

Halo 4: Complete Infinity.

Charum Hakkor

Halo 4: Activate Terminal 3 on Infinity.

All Out of Bubblegum

Collect 1,000 unique campaign or playlist medals.

War

Halo 4: Activate Terminal 1 on Requiem.

Game On

Complete 50 missions or multiplayer games.

Contender

Win 50 multiplayer games.

Lord of Admirals

Halo 4: Activate Terminal 2 on Forerunner.

Forerunner

Halo 4: Complete Forerunner.

Double Down

Halo 2A MP: In Anniversary multiplayer, receive 2 or more Double Kill medals.

Decorated Warrior

Halo 2A MP: Get awarded at least 10 different medals in one non-team multiplayer game.

Bite The Hand

Kill a 343 developer in matchmaking or someone who has this achievement.

Goat Roped

Halo CE: Halo CE: Complete all Halo: CE Legendary campaign missions in under 3 hours.

Tour of Duty

Halo 2A MP: Complete a game in every one of the 6 updated Anniversary MP maps.

Cold Fusion

Halo 2A MP: Kill an opponent by detonating a Fusion Coil.

Top Gungoose

Halo 2A MP: Get a kill with the Gungoose while airborne.

Wetwork

Halo 2A MP: On Shrine in CTF, activate the enemy base waterfall and, before it stops, grab the flag.

Counter-Sniped

Halo 2A MP: With a Sniper Rifle or Beam Rifle kill an enemy that was zoomed in.

Hippo Hero

Halo 3: Who DARED to discard this brave animal?

Blown Out of the Sky

Halo 2A MP: Blow up the Banshee or Hornet in flight while piloted, with the Rocket Launcher.

Put Up Your Dukes

Halo 2A MP: Get 25 melee kills in multiplayer.

Grand Theft Halo

Halo 2A MP: In one match, steal a total of 5 occupied vehicles from opponents.

Stayin' Alive

Halo 2A MP: In Juggernaut, survive as the Juggernaut for 30 seconds.

Why Am I Here?

Halo 2: View this hidden message on the classic Beaver Creek map.

Why So Serious

Halo 2: View the smiling face in the classic multiplayer map Coagulation.

Sid Graffiti

Halo 2: Spot the Sid graffiti on the walls of Coagulation in classic multiplayer.

Animal Habitat

Halo 2: Spot the hippo on the walls of Headlong in classic multiplayer.

Red vs. Blue

Halo 2A MP: Win 10 matches on Bloodline in multiplayer.

Man on the Moon

Halo 3: He's watching you.

Can't Put It Down

Complete 150 missions or multiplayer games.

Warden

Halo 2A MP: In Anniversary matchmaking, stop the killing spree of another player.

THE Chips Dubbo?

Halo 2: Fight alongside the legendary Chips Dubbo and listen to his words.

Curious

Halo 2: Activate Terminal 1 on Cairo Station.

Invaders Repelled

Halo 2A MP: In King of the Hill, kill 5 opponents within your controlled hill.

Shook the Hornet's Nest

Halo 2A MP: Get 30 kills with the Hornet in multiplayer.

The Goose is Loose

Halo 2A MP: Get 25 kills with the Gungoose in multiplayer.

Game Master

Created and saved 5 Custom Game types.

Master Forger

Created and saved 5 Custom Maps in Forge.

Rule Your Thirst!

Halo 2A MP: Found and destroyed the BLAST soda can on Warlord.

Eminent Domain

Halo 2A MP: In Territories, control any 3 Territories simultaneously for 30 seconds.

High Altitude Thirst!

Halo 2A MP: Found and destroyed the BLAST soda can on Zenith.

Thirst Locked Down!

Halo 2A MP: Found and destroyed the BLAST soda can on Lockdown.

Cold as Ice

Halo 2A MP: On Lockdown, kill an opponent with the hanging ice.

Sharpshooter

Win 150 multiplayer games.

Triple Threat

Halo 2A MP: In Ricochet, pass once, score once, and kill at least one enemy in the same match.

Bombing Run

Halo 2A MP: In Assault, take, plant, and score from the bomb spawn without dying or dropping it.

Skeet Shooter

Halo 2A MP: Killed 15 opponents that were airborne from a Man Cannon.

Skulltaker Halo 2: Blind

Halo 2: Find and claim the Blind Skull.

Bro Hammer

Complete any co-op level on Legendary difficulty.

A Pile of Medals

Collect 2,000 campaign or playlist medals.

Inquisitive

Halo 2: Activate Terminal 2 on Outskirts.

Gruntageddon

Kill 1000 Grunts.

Examiner

Halo 2: Activate Terminal 3 on Metropolis.

Dirty Bird

Halo 2: Fly the Heretic Banshee on The Great Journey.

Inspector

Halo 2: Activate Terminal 4 on The Arbiter.

Delicious Brains

Kill 100 Flood.

Fascinated

Halo 2: Activate Terminal 5 on The Oracle.

Back In The Day

Halo CE: Play a CTF custom game on Blood Gulch with 4 players on the same console. Tri-tip optional.

HI BEN

Halo 2: Oh, hi!

Gate Your Thirst!

Halo 2A MP: Found and destroyed the BLAST soda can on Stonetown.

BLASTacular!

Halo 2A MP: Destroyed all the Halo 2 Anniversary Multiplayer BLAST soda cans.

Worship Your Thirst!

Halo 2A MP: Found and destroyed the BLAST soda can on Shrine.

Bloody Thirsty!

Halo 2A MP: Found and destroyed the BLAST soda can on Bloodline.

A Crate of Medals

Collect 3,000 campaign or playlist medals.

Foe Hammer

Kill 5,000 enemies or players.

Bonus Level

Complete 200 missions or multiplayer games.

Zombie Repeller

Kill 1000 Flood.

Greenhorn

Halo CE: Complete every level of the game on Easy difficulty.

Power Play

Halo 2A MP: On Warlord, get every center powerup that becomes available in a single game.

E E E

Halo 2: View both signs in the level Metropolis.

Enamored

Halo 2: Activate Terminal 7 on Regret.

Demon

Halo 2: Complete any campaign level without dying on Normal or harder.

Enchanted

Halo 2: Activate Terminal 6 on Delta Halo.

Delighted

Halo 2: Activate Terminal 9 on Quarantine Zone.

A Heap of Medals

Collect 4,000 campaign or playlist medals.

Six Pedals, Four Directions

Halo 2: Drive a Scorpion while playing as the Arbiter.

Obsessed

Halo 2: Activate Terminal 13 on The Great Journey.

Reviewer

Halo 2: Activate Terminal 12 on High Charity.

I Like Crazy

Halo 2: Collect the Rampant Cortana toy in High Charity.

Scholar

Halo 2: Activate Terminal 11 on Uprising.

My Work is Done

Halo 2: Collect the Librarian toy in Uprising.

Determined

Halo 2: Activate Terminal 8 on Sacred Icon.

Walking Encyclopedia

Halo 2: Activate all Halo 2 Terminals.

The Will of the Prophets

Halo 2: Collect the Arbiter toy in Sacred Icon.

Warrior

Halo 2: Complete every level of the game on Normal difficulty.

Tighten Up The Graphics

Halo 2: Complete every level of Halo 2 having seen it in both classic and remastered mode.

Big Green Style

Halo 2: Complete every level of the game on Easy difficulty.

Pyrrhic Solution

Halo 2: Collect the Didact toy in The Great Journey.

Skulltaker Halo 3: Iron

Halo 3: Find and claim the Iron Skull.

Skulltaker Halo 3: Blind

Halo 3: Find and claim the Blind Skull.

Holdout

Halo 3: Complete Crow's Nest.

Time Shift

Halo 3: Beat the par time on Crow's Nest.

Skulltaker Halo 3: Grunt Birthday Party

Halo 3: Find and claim the Grunt Birthday Party Skull.

Skulltaker Halo 3: Black Eye

Halo 3: Find and claim the Black Eye Skull.

Speedy One One Seven

Halo 3: Beat the par time on Sierra 117.

Were It So Easy

Kill 1000 Elites.

Assault

Halo 3: Complete The Storm.

Lightning Strike

Halo 3: Beat the par time on The Storm.

Milk Carton

Halo 3: Find the poster of the missing man.

The Road

Halo 3: Complete Tsavo Highway.

Highway Robbery

Halo 3: Beat the par time on Tsavo Highway.

Skulltaker Halo 3: Tough Luck

Halo 3: Find and claim the Tough Luck Skull.

Before the Fire

Halo 3: Activate Terminal 3 on The Ark.

Inundation

Halo 3: Activate Terminal 2 on The Ark.

Skulltaker Halo 3: Famine

Halo 3: Find and claim the Famine Skull.

Rising Waters

Halo 3: Activate Terminal 1 on The Ark.

Cleansing

Halo 3: Complete Floodgate.

Dambuster

Halo 3: Beat the par time on Floodgate.

Last Stand

Halo 3: Complete The Covenant.

Skulltaker Halo 3: IWHBYD

Halo 3: Find and claim the IWHBYD Skull.

Dirge of Madrigal

Halo 3: Trigger the hidden music cue in Halo 3.

Babbling Dead

Halo 3: Activate Terminal 6 on The Covenant.

Skulltaker Halo 3: Thunderstorm

Halo 3: Find and claim the Thunderstorm Skull.

Unto Dust

Halo 3: Activate Terminal 5 on The Covenant.

Tipping Point

Halo 3: Activate Terminal 4 on The Covenant.

Sword and Shield

Halo 3: Activate Terminal 7 on Halo.

No Stone Unturned

Halo 3: Activate all Halo 3 Terminals.

Skulltaker Halo 3: Mythic

Halo 3: Find and claim the Mythic Skull.

The Key

Halo 3: Complete Cortana.

The Coin's Fault

Halo 3: Activate Cortana's Terminal on Cortana.

Skulltaker Halo 3: Tilt

Halo 3: Find and claim the Tilt Skull.

Skulltaker Halo 3: Fog

Halo 3: Find and claim the Fog Skull.

Return

Halo 3: Complete Halo.

Prophet's Bane

Halo 3: Complete every level of the game on Normal difficulty.

Training Wheels

Halo 3: Complete every level of the game on Easy difficulty.

Cool Story Bro

Halo 3: Listen to the story of the Final Grunt.

Raging in the Dark

Halo 4: Beat the par time on Forerunner.

Requiem

Halo 4: Complete Requiem.

Piece of Cake

Halo 4: Beat the par time on Dawn.

A Few Trinkets

Collect 5,000 campaign or playlist medals.

Interloper

Halo 4: Beat the par time on Requiem.

Knights

Halo 4: Activate Terminal 5 on Shutdown.

Reclaimer

Halo 4: Complete Reclaimer.

Flood

Halo 4: Activate Terminal 4 on Reclaimer.

Ouroboros

Halo 4: Beat the par time on Infinity.

He's Running a Marathon...

Halo 2: Spot the developer in the opening cutscene of Gravemind on Legendary in Classic Mode.

Shutdown

Halo 4: Complete Shutdown.

Betcha can't stick it...

Halo 2: Stick a Plasma Grenade to a Stealth Elite on Outskirts.

Scavenger Hunt

Kill 1000 Jackals.

Rex Sword

Halo 2: Grab the energy sword on the level Outskirts.

Up All Night

Complete 250 missions or multiplayer games.

Skulltaker Halo 3: Catch

Halo 3: Find and claim the Catch Skull.

Jungle Warfare

Halo 4: Beat the par score on Infinity.

Justice

Halo 4: Activate Terminal 6 on Composer.

Oh, These Baubles?

Collect 6,000 campaign or playlist medals.

Midnight

Halo 4: Complete Midnight.

Librarian's Gift

Halo 4: Complete every level of the game on Easy difficulty.

Herald of the Reclamation

Complete all campaigns on Easy difficulty.

Chief, Smash!

Halo 4: Kill 3 Crawlers in one hit with the Gravity Hammer on Midnight.

Cryptum

Halo 4: Activate Terminal 7 on Midnight.

Terminus

Halo 4: Activate all Halo 4 Terminals.

Composer

Halo 4: Complete Composer.

Close Quarters Combat

Halo CE: Complete The Truth and Reconciliation with at least four rounds left in your Sniper Rifle.

Begins with a Single Step

Halo 3: On Tsavo Highway, complete the level without entering a vehicle.

Refuge

Halo 3: Complete The Ark.

Skulltaker Halo 3: Cowbell

Halo 3: Find and claim the Cowbell Skull.

Haplorrhini

Halo 3: Find a lonely missing link.

Primate

Halo 3: Find your first missing links.

Missing Link

Halo 3: Watching. Waiting. Plotting.

Heading to his Destiny

Halo 3: Destined for greatness.

Whispers Across the Galaxy

Halo 3: View the communique from Mendicant Bias.

Witch Doctor

Halo 3: Find and claim all Skulls in Halo 3.

With Your Shield or On It

Halo 3: Complete every level of the game on Heroic difficulty.

Finished the Fight

Halo 3: Complete every level of the game on Legendary difficulty.

Siege of Ivory Tower

Halo 2: Listen to a hidden music cue in Halo 2.

Explore the Floor

Halo 4: Trick or force a Hunter to fall to its demise on Shutdown.

Wake Up, John

Halo 4: Complete every level of the game on Normal difficulty.

I Need a Hero

Halo 4: Complete every level of the game on Heroic difficulty.

The Legend of 117

Halo 4: Complete every level of the game on Legendary difficulty.

MVP

Halo 2A MP: Finished as the top player on the winning team in a matchmade game.

This Side Up

Halo CE: Complete the Warthog ride of The Maw without being forcibly ejected from your vehicle.

Skulltaker Halo 2: That's Just...Wrong

Halo 2: Find and claim the That's Just...Wrong Skull.

In It To Win It

Win 200 multiplayer games.

Third Time's A Charm

Halo 3: Play a game of Halo 3 on the 25th of any month.

Flaming Ninja Anniversary

Halo 2A MP: Kill an opponent that has the Ninja Redux achievement in Anniversary matchmaking.

Ninja Redux

Halo 2A MP: Kill 5 people with melee from behind in Anniversary matchmaking.

Zealot

Halo 2A MP: Win 10 multiplayer games as an Elite.

Shields Up!

Halo 2A MP: On Zenith, personally activate the center energy shield 3 times in one matchmade game.

A Long Time Ago

Halo 4: Play a game of Halo 4 on the 6th of any month.

Back At It

Halo 2: Play a game of Halo 2 Anniversary on the 9th of any month.

No-Fly Zone

Halo CE: Destroy three of the four Banshees on Halo during a single play-through.

All According to Plan...

Halo CE: Kill the first group of enemies on The Truth and Reconciliation without being detected.

Pacifist

Halo CE: Finish The Silent Cartographer without shooting, grenades, melee, dying or restarting.

Wraith Hunter

Halo CE: Destroy four Wraith tanks in Assault on the Control Room with the Scorpion tank.

Skulltaker Halo 2: Thunderstorm

Halo 2: Find and claim the Thunderstorm Skull on Legendary.

Exterminator

Halo 3: Beat the par score on Floodgate.

Skulltaker Halo 2: Grunt Birthday Party

Halo 2: Find and claim the Grunt Birthday Party Skull on Legendary.

Skulltaker Halo 2: Catch

Halo 2: Find and claim the Catch Skull on Legendary.

Skulltaker Halo 2: IWHBYD

Halo 2: Find and claim the IWHBYD Skull on Legendary.

Skulltaker Halo 2: Assassins

Halo 2: Find and claim the Assassins Skull on Legendary.

Skulltaker Halo 2: Envy

Halo 2: Find and claim the Envy Skull on Legendary.

Skulltaker Halo 2: Famine

Halo 2: Find and claim the Famine Skull on Legendary.

Skulltaker Halo 2: Anger

Halo 2: Find and claim the Anger Skull on Legendary.

Skulltaker Halo 2: Sputnik

Halo 2: Find and claim the Sputnik Skull on Legendary.

Skulltaker Halo 2: Mythic

Halo 2: Find and claim the Mythic Skull on Legendary.

Skulltaker Halo 2: Black Eye

Halo 2: Find and claim the Black Eye Skull on Legendary.

Trophy Collector

Halo 2: Find and claim all Skulls in Halo 2.

Skulltaker Halo 2: Iron

Halo 2: Find and claim the Iron Skull on Legendary.

Skulltaker Halo 2: Ghost

Halo 2: Find and claim the Ghost Skull on Legendary.

GOOOAAAAALLLL!

Halo 2: Shoot the soccer ball in the level Metropolis.

Scarab Lord

Halo 2: Acquire the Scarab Gun.

10 Minutes Too Early

Halo 2: In The Oracle, find the holo-drone before the Heretic Leader activates it.

Regrettable Turn of Events

Halo 2: Collect the Prophet of Regret toy in Regret.

And So It Begins...

Halo 2: Collect the Master Chief toy in Delta Halo.

Naked Tyrant

Halo 4: Complete the Halo 4 LASO Campaign playlist.

Chest of Gold

Halo 4: Complete a Halo 4 playlist.

A Preference for Pain

Halo 3: Complete the Halo 3 LASO Campaign playlist.

Boot Camp Hero

Halo 3: Complete a Halo 3 playlist.

Destination Vacation

Halo 2: View one of the seasonal signs on Zanzibar in classic multiplayer.

Legend Slayer

Halo 2A MP: Kill an opponent that has the Legendary Anniversary achievement.

Operation Completion

Halo 4: Complete a Spartan Ops mission.

Exodus

Halo 4: Complete all chapters in Spartan Ops Episode 10.

Feet First

Halo 4: Complete all Spartan Ops chapters.

Term of Enlistment

Halo 4: Complete all Spartan Ops chapters on Normal difficulty.

Hazard Pay

Halo 4: Complete all Spartan Ops chapters on Heroic difficulty.

Icarus

Halo 4: Complete all Spartan Ops chapters on Legendary difficulty.

Smooth Operator

Halo 4: Complete all Spartan Ops chapters solo on Legendary difficulty.

Key

Halo 4: Complete all chapters in Spartan Ops Episode 9.

Can't Get Enough

Complete 300 missions or multiplayer games.

Expendable

Halo 4: Complete all chapters in Spartan Ops Episode 8.

Invasion

Halo 4: Complete all chapters in Spartan Ops Episode 7.

Scattered

Halo 4: Complete all chapters in Spartan Ops Episode 6.

Memento Mori

Halo 4: Complete all chapters in Spartan Ops Episode 5.

Didact's Hand

Halo 4: Complete all chapters in Spartan Ops Episode 4.

Catherine

Halo 4: Complete all chapters in Spartan Ops Episode 3.

Artifact

Halo 4: Complete all chapters in Spartan Ops Episode 2.

Departure

Halo 4: Complete all chapters in Spartan Ops Episode 1.

Sightseeing

Halo CE: Complete a match on at least 8 different classic multiplayer maps.

Seconds

Halo 2: Complete a Halo 2 playlist.

Back for More

Halo 2: Complete the LASO campaign playlist.

No Pain, No Gain

Complete 1 mission with the LASO playlist skulls enabled.

Checking Out Your Options

Halo CE: Complete a match on at least 4 unique game types.

Tourist

Halo 2: Complete a match on at least 8 different classic multiplayer maps.

Window Shopping

Halo 2: Complete a match on at least 4 different game types in classic multiplayer.

Going International

Halo 4: Complete a match on at least 8 different multiplayer maps.

Taste Test

Halo 4: Complete a match on at least 4 different game types in multiplayer.

Just Browsing

Halo 3: Complete a match on at least 4 different game types in multiplayer.

Gunslinger

Halo 4: Beat the par score on Dawn.

The Long Haul

Complete 500 missions or multiplayer games.

Long Time Fan

Complete 450 missions or multiplayer games.

Big Time Gamer

Complete 400 missions or multiplayer games.

Committed

Complete 350 missions or multiplayer games.

World Traveler

Halo 3: Complete a match on at least 8 different multiplayer maps.

Longshore Skull

Halo 3: Find the hidden Skull on the Longshore multilayer map.

Brainpan

Halo 3: Find all the hidden multiplayer Skulls.

Heretic Skull

Halo 3: Find the hidden Skull on the Heretic multiplayer map.

Citadel Skull

Halo 3: Find the hidden Skull on the Citadel multiplayer map.

Sandbox Skull

Halo 3: Find the hidden Skull on the Sandbox multiplayer map.

Orbital Skull

Halo 3: Find the hidden Skull on the Orbital multiplayer map.

Assembly Skull

Halo 3: Find the hidden Skull on the Assembly multiplayer map.

What Power Outage?

Halo 4: Complete The Cauldron Base of Spartan Ops without losing a generator on Heroic or Legendary.

No One Left Behind

Halo 4: Save at least one Marine on Hacksaw (Ep.2 Ch.3) of Spartan Ops on Heroic or Legendary.

Roses vs Violets

Halo 4: Why are you even here?

Sounds Familiar

Halo 3: This stuff is your history!

The Return of Megg

Halo 2: She's not picking up.

Silent but Deadly

Halo 2: Kill 7 opponents from behind in a row without being spotted.

Needs More Whammy Bar

Halo 2: Complete the level Regret with the Prophet Birthday Skull activated.

You're No Chips

Halo 4: What do Marines know about sticks?

Give Him the Stick

Halo 4: Take out both Hunters using only the Sticky Detonator on Composer.

Throne of Bones

Find and claim all the campaign skulls in Halo:CE, Halo 2, and Halo 3.

Phantom Hunter

Halo 3: Destroy 3 total Phantoms on The Covenant.

Annual

Halo 3: Complete Halo on 4-player Legendary co-op, with Iron Skull, and everyone in Ghosts.

Go, Chief! Gun It!

Halo 3: Beat the par time on Halo.

Elder Signs

Halo 3: View 2 different sigils on Valhalla.

Like Peanut Butter and Chocolate

Halo 2: Complete a level in co-op on Heroic or Legendary with the Masterblaster Skull active.

Monumental Thirst!

H2A: Found and destroyed the BLAST soda can on Remnant..

Overtaken By Events

H3: ODST: Beat the par time on Data Hive.

Can't Stop Here, This is Brute Country

H3: ODST: Beat par time on all Halo 3: ODST levels.

Feet Don't Fail Me Now

H3: ODST: Beat the par time on Kikowani Station.

First Stop: Anywhere But Here!

H3: ODST: Beat the par time on NMPD HQ.

A Pleasant Trip

H3: ODST: Beat the par time on ONI Alpha Site.

An Artist's Canvas

H3: ODST: Beat the par time on Kizingo Blvd.

Chesty Puller Starter Kit

Collect 7,000 campaign or playlist medals.

Floor It!

H3: ODST: Beat the par time on Uplift Reserve.

Bill Past Due

H3: ODST: Beat the par time on Tayari Plaza.

Catch 'Em Napping

H3: ODST: Kill 5 sleeping Grunts on Mombasa Streets.

Just Sayin...I Ain't Dead

H3: ODST: Complete any level without dying on Heroic or Legendary.

Classic

H3: ODST: Finish any level solo on Legendary, with no shots fired or grenades thrown.

One Way Ride

H3: ODST: Complete any level without using a health pack on Heroic or Legendary.

Xenophobia

H3: ODST: Complete any level without using Covenant weapons.

Like a Broken Record

H3: ODST: Find a legendary hidden music cue.

One Got Away

H3: ODST: View the missing link.

Rookie

H3: ODST: Complete every level of the game on Easy difficulty.

Coastal Highway

H3: ODST: Complete Coastal Highway.

Double Time!

H3: ODST: Beat the par time on Coastal Highway.

"BLAM" Said The Lady!

H3: ODST: Swap Dare's pistol for a Rocket Launcher on Coastal Highway.

Data Hive

H3: ODST: Complete Data Hive.

Strong, Silent Type

H3: ODST: Assassinate 3 Brutes in a row on Data Hive.

Audiophile

H3: ODST: Find the 30th Audio Log.

Record Store Owner

H3: ODST: Find all 30 Audio Logs.

Firefly

H3: ODST: Kill a Drone with a flame grenade on Data Hive.

Wisening Up

H3: ODST: Find the 29th Audio Log.

Catching On

H3: ODST: Find the 28th Audio Log.

Your Attention Please

H3: ODST: Find the 27th Audio Log.

Archivist

H3: ODST: Find the 26th Audio Log.

On Your Toes

H3: ODST: Find the 25th Audio Log.

Considerate

H3: ODST: Find the 24th Audio Log.

Spotter

H3: ODST: Find the 23rd Audio Log.

Adventurer

H3: ODST: Find the 22nd Audio Log.

Scout

H3: ODST: Find the 21st Audio Log.

Observant

H3: ODST: Find the 20th Audio Log.

Watchful

H3: ODST: Find the 19th Audio Log.

Attentive

H3: ODST: Find the 18th Audio Log.

Plugged In

H3: ODST: Find the 17th Audio Log.

Ear Bender

H3: ODST: Find the 16th Audio Log.

All Ears

H3: ODST: Find the 15th Audio Log.

Snoop Troop

H3: ODST: Find the 14th Audio Log.

Get A Load

H3: ODST: Find the 13th Audio Log.

Give Heed

H3: ODST: Find the 12th Audio Log.

Hang Onto My Words

H3: ODST: Find the 11th Audio Log.

Monitored

H3: ODST: Find the 10th Audio Log.

Wiretapping

H3: ODST: Find the 9th Audio Log.

Overheard

H3: ODST: Find the 8th Audio Log.

Auditor

H3: ODST: Find the 7th Audio Log.

Eavesdropping

H3: ODST: Find the 6th Audio Log.

Hear Me Out

H3: ODST: Find the 5th Audio Log.

Do Tell

H3: ODST: Find the 4th Audio Log.

Tuned In

H3: ODST: Find the 3rd Audio Log.

An Ear Full

H3: ODST: Find the 2nd Audio Log.

Listener

H3: ODST: Find the 1st Audio Log.

Kikowani Station

H3: ODST: Complete Kikowani Station.

Well...Maybe One or Two

H3: ODST: Kill 25 Engineers.

Naughty Naughty

H3: ODST: Kill 10 Engineers.

Fast and Low

H3: ODST: Splatter 7 enemies with a Banshee on Kikowani Station.

Secret Agent

H3: ODST: Find the 6th clue unraveling the mystery.

NMPD HQ

H3: ODST: Complete NMPD HQ.

Bits and Pieces

H3: ODST: Destroy 5 Phantoms on NMPD HQ.

Vandalized

H3: ODST: Face it.

Private Eye

H3: ODST: Find the 5th clue unraveling the mystery.

Dankey Kang

Kill 1000 Brutes.

ONI Alpha Site

H3: ODST: Complete ONI Alpha Site.

Fowl Hunt

H3: ODST: Kill 3 Jetpack Brutes with a shotgun on Oni Alpha Site.

What About Those Tanks?

H3: ODST: Destroy 7 Wraiths on Oni Alpha Site.

Bloodhound

H3: ODST: Find the 4th clue unraveling the mystery.

Kizingo Boulevard

H3: ODST: Complete Kizingo Blvd.

Shiny...

H3: ODST: Pilot a Banshee on Kizingo Boulevard.

Gumshoe

H3: ODST: Find the 3rd clue unraveling the mystery.

Uplift Reserve

H3: ODST: Complete Uplift Reserve.

Does Whatever a Spartan Can?

H3: ODST: Destroy a Wraith...with your bare hands.

Investigator

H3: ODST: Find the 2nd clue to unraveling the mystery.

Tayari Plaza

H3: ODST: Complete Tayari Plaza.

Deference of Darkness

H3: ODST: Complete any level without activating VISR mode.

Two Places, Same Time

H3: ODST: I've got my eye on you, Marine.

Bip! Bap! BAM!

H3: ODST: Earn a Triple Kill medal with the pistol on any level.

Junior Detective

H3: ODST: Find the 1st clue to unraveling the mystery.

Pineapple Express

H3: ODST: Kill 4 enemies with a single plasma or frag grenade.

Saturday Morning Cartoon

H3: ODST: Is there a toy inside?

This Oliphant Has No Brakes

H3: ODST: Beat the par score on Coastal Highway.

The Marine Corps Gives Its Regards

H3: ODST: Beat par score on all Halo 3: ODST levels.

Squid Jackpot!

H3: ODST: Beat the par score on Kikowani Station.

Pour It On

H3: ODST: Beat the par score on NMPD HQ.

Don't Strain Your Metaphors

H3: ODST: Beat the par score on Uplift Reserve.

Trifecta

H3: ODST: Complete three Halo 3: ODST playlists.

NEXT!

H3: ODST: Complete a Halo 3: ODST playlist.

Those Left Behind

H3: ODST: Finish Tayari Plaza with at least one Marine still breathing.

Déjà Vu

H3: ODST: Complete Coastal Highway on 4-player Legendary co-op, with Iron, and no 'Hog or Scorpion.

Nagato Makes Moving Easy

H3: ODST: Complete all Halo 3: ODST Legendary campaign missions in under 3 hours.

Urban Warfare Badge

H3: ODST: Complete every level of the game on Normal difficulty.

First In, Last Out

H3: ODST: Complete every level of the game on Heroic difficulty.

Mean Streets of New Mombasa

H3: ODST: Complete every level of the game on Legendary difficulty.

Magic Touch

H3: ODST: Beat the par score on Data Hive.

Shoot and Scoot

H3: ODST: Complete NMPD HQ without firing the Sniper Rifle on Heroic or Legendary.

I Love My Job

H3: ODST: Beat the par score on ONI Alpha Site.

Son of a Gun

H3: ODST: Beat the par score on Kizingo Blvd.

Survey Says...

H3: ODST: Beat the par score on Tayari Plaza.

Do You Remember When We Met

H3: ODST: Play a game of Halo 3: ODST on the 22nd of any month.

Remove the Bishops From the Board

Kill 1000 Watchers.

Knightbane

Kill 1000 Knights.

Wyrmslayer

Kill 250 Hunters.

Party Pooper

Earn a total of 250 Killjoy medals in matchmade games.

The True King

Earn a total of 250 KOTH Mode Specific medals in matchmade games.

Double Trouble

Earn a total of 250 Double Kill medals in matchmade games.

Roadkill Rampage

Halo 2A MP: In Anniversary matchmaking, earn a total of 100 Splatter medals.

Catch This

Earn a total of 500 Grenade Kill or Plasma Kill medals in matchmade games.

Spree Master

Earn a total of 100 Killing Spree medals in matchmade games.

Multiplayer Champion

Win 500 multiplayer games.

Domination

Earn a total of 100 Legendary medals in matchmade games.

Rock and Coil Hit Back

Halo 2A MP: In Anniversary matchmaking, earn a total of 100 Environmentalist medals.

Planting A Flag

Earn a total of 250 CTF Mode Specific medals in matchmade games.

Quick Trigger Finger

Win 450 multiplayer games.

Nice Work Dawg!

Earn a total of 2,500 Assist medals in multiplayer.

Airborne

Halo CE: Launch a Warthog for at least 5 seconds and have it splatter an enemy.

No Easy Way Out

Halo 4: Survive Spartan Miller (Ep.5 Ch.1) of Spartan Ops on Heroic or Legendary.

Aim for the Head

Earn a total of 2,500 Headshot medals in multiplayer.

Steady Aim

Win 400 multiplayer games.

Dim Mak

Earn a total of 250 Beat Down medals in multiplayer.

Knight in White Assassination

Halo 4: Assassinate a Knight in any Spartan Ops mission.

Making History

Halo 3: Beat the par time on Cortana.

Dogcatcher

Kill 1000 Crawlers.

Cowardly Grunt

Halo 2: Listen to the Cowardly Grunt's woes.

Beachhead

Halo CE: Storm The Silent Cartographer beach with no Marine casualties on Heroic or Legendary.

Chieftain of the Brutes

Halo 2: Collect the Tartarus toy in Quarantine Zone.

Toybox

Halo 2: Collect all eight Halo toys.

Witching Hour

Halo 4: Beat the par score on Midnight.

Hero

Halo 2: Complete every level of the game on Heroic difficulty.

Striking Fear in Their Hearts

Win 350 multiplayer games.

Flipyap

Halo 3: Listen to the tale of a young Grunt named Flipyap.

Thermopylae

Win 300 multiplayer games.

Devotee

Halo 4: Complete three Halo 4 playlists.

Battle Hardened

Win 250 multiplayer games.

Aficiando

Halo 3: Complete three Halo 3 playlists.

Connoisseur

Halo 2: Complete three Halo 2 playlists.

Safety Not Guaranteed

H3: ODST: Complete a Halo 3: ODST LASO Campaign playlist.

This is my Rifle, This is my Gun

Halo 4: Carry a UNSC weapon all the way through Forerunner on Heroic or Legendary.

Legendary Anniversary

Halo 2: Complete every level of the game on Legendary difficulty.

Mind the Gap

Halo 3: 4 vehicles, 1 gap on Legendary using Cowbell, Catch, Thunderstorm, Mythic, and Tough Luck.

He Never Gets Me Anything

Halo 2: Complete Delta Halo without entering a vehicle on Heroic or Legendary.

Commuter

Halo 2: Complete Metropolis without entering a vehicle on Heroic or Legendary.

Better With Age

Halo 3: Beat the par score on every Halo 3 level.

Torchbearer

Halo 3: Beat the par score on Halo.

Gimme That

Halo 4: Beat the par time on Reclaimer.

Easy As One Two Three

Halo 4: Beat the par time on all Halo 4 levels.

Countdown

Halo 4: Beat the par time on Midnight.

Symphony of Pain

Halo 4: Beat the par time on Composer.

Shut. Down. Everything.

Halo 4: Beat the par time on Shutdown.

Askar

Halo 3: Beat the par score on The Storm.

Head Banging

Halo 4: Beat the par score on Composer.

Dark Fortress

Halo 4: Beat the par score on Requiem.

Who Needs Them?

Halo 3: On The Ark, complete the level without entering a vehicle on Legendary.

Ranger

Halo 3: Beat the par score on The Ark.

Librarian's Pet

Halo 4: Beat the par score on Reclaimer.

Shadow of Sundered Star

Halo 4: Beat the par score on Forerunner.

Medal Master Chief

Collect 8,000 campaign or playlist medals.

Frequent Flyer Miles

Halo 2: Beat the par score on The Great Journey.

Cavalier

Halo 3: Beat the par score on Tsavo Highway.

King of the Crows

Halo 3: Beat the par score on Crow's Nest.

Guerilla

Halo 3: Beat the par score on Sierra 117.

Bros to the Close

Halo 4: Complete Infinity without one preventable Marine death on Heroic or Legendary.

Emergency Shutdown

Halo 4: Beat the par score on Shutdown.

You Had it Coming

Halo 4: Beat the par score on every Halo 4 level.

You're Joking

Halo 4: Complete all Halo 4 Legendary campaign missions in under 3 hours.

Devastating

Halo 3: Complete all Halo 3 Legendary campaign missions in under 3 hours.

Orpheus

Halo 3: Beat the par score on Cortana.

Vanguard

Halo 3: Beat the par score on The Covenant.

Arcade Owner

Halo 2: Beat the par score on every Halo 2 level.

Mortardom

Halo 4: On Reclaimer, use a Wraith to kill at least four enemy Wraiths on Heroic or Legendary.

Lone Wolf Legend

Halo 4: Complete every level of the game on Legendary difficulty, by yourself.

Scorched Earth

Halo 2: Beat the par score on High Charity.

Starved For Shields

Halo 2: Complete a level with only the Streaking Skull active on Heroic or Legendary.

Monopolized

Halo 2: Complete all Halo 2 Legendary campaign missions in under 3 hours.

Waypoint

Halo 3: Beat the par time on The Ark.

Scarab Slide

Halo 3: Beat the par time on The Covenant.

Speed Demon

Halo 3: Beat the par time on all Halo 3 levels.

We're Just Getting Started

Halo: Reach: Complete Winter Contingency.

No Picnic

Halo: Reach: Observe a grizzly scene on New Alexandria.

Protocol Dictates Action

Halo: Reach: Complete ONI: Sword Base.

I Need A Weapon

Halo: Reach: Complete Nightfall.

To War

Halo: Reach: Complete Tip of the Spear.

You Flew Pretty Good

Halo: Reach: Complete Long Night of Solace.

Into The Howling Dark

Halo: Reach: Complete Exodus.

Dust And Echoes

Halo: Reach: Complete New Alexandria.

This Is Not Your Grave

Halo: Reach: Complete The Package.

Send Me Out... With A Bang

Halo: Reach: Complete The Pillar of Autumn.

Welcome to Reach

Halo: Reach: Complete every level of the game on Easy difficulty.

The Soldier We Need You To Be

Halo: Reach: Complete every level of the game on Normal difficulty.

Folks Need Heroes...

Halo: Reach: Complete every level of the game on Heroic difficulty.

Gods Must Be Strong

Halo: Reach: Complete every level of the game on Legendary difficulty.

A Monument To All Your Sins

Halo: Reach: Complete every level of the game on Legendary difficulty, by yourself.

Winter Urgency

Halo: Reach: Beat the par time on Winter Contingency.

Just Like Storming a Castle

Halo: Reach: Beat the par time on ONI: Sword Base.

Now Just You Guta Minute

Halo: Reach: Beat the par time on Nightfall.

Generous Tipper

Halo: Reach: Beat the par time on Tip of the Spear.

Sabre Metrics

Halo: Reach: Beat the par time on Long Night of Solace.

Quicker Than Reading the Book

Halo: Reach: Beat the par time on Exodus.

One For the Record Books

Halo: Reach: Beat the par time on New Alexandria.

Speedy Delivery

Halo: Reach: Beat the par time on The Package.

Wait, How'd the Ship Get Down Here?

Halo: Reach: Beat the par time on The Pillar of Autumn.

Fast Fall

Halo: Reach: Beat par time on all Halo: Reach levels.

Ice In Your Veins

Halo: Reach: Beat the par score on Winter Contingency.

Still Sharp

Halo: Reach: Beat the par score on ONI: Sword Base.

Moon's Out, Goons Out

Halo: Reach: Beat the par score on Nightfall.

Bake That Cake

Halo: Reach: Beat the par score on Tip of the Spear.

Insomnia

Halo: Reach: Beat the par score on Long Night of Solace.

Parting the Sea

Halo: Reach: Beat the par score on Exodus.

Nine Lives Are a Myth

Halo: Reach: Beat the par score on New Alexandria.

How Did I Lose All My Fingers?

Halo: Reach: Beat the par score on The Package.

Precious Cargo

Halo: Reach: Beat the par score on The Pillar of Autumn.

We'll Be Back

Halo: Reach: Beat the par score on every Halo: Reach level.

T'vaoan Terminator

Halo: Reach: Kill 100 Skirmishers.

Chol Von's Not Gonna Like This

Halo: Reach: Kill 1000 Skirmishers.

Keep It Clean

Halo: Reach: Kill 7 Moa during Winter Contingency.

They've Always Been Faster

Halo: Reach: Clear Winter Contingency without setting foot in a drivable vehicle.

Wake Up Buttercup

Halo: Reach: Destroy the Corvette's engines & escort in under 3 minutes during Long Night of Solace.

Two Corpses In One Grave

Halo: Reach: Kill 2 vehicles at once with the Target Locator during ONI: Sword Base.

Your Heresy Will Stay Your Feet

Halo: Reach: Kill the Elite Zealot before he can escape during Tip of the Spear.

I Didn't Train To Be A Pilot

Halo: Reach: Kill 3 of the anti-aircraft batteries during New Alexandria.

Tank Beats Everything

Halo: Reach: Finish The Package on Legendary with the Scorpion intact.

Swift and Shallow

Halo: Reach: Hijack a Banshee during the Reach Campaign.

Forza in the Fall

Halo: Reach: Flip the switches to become a Reach Racer!

HBOrg Special

Halo: Reach: Party with the DJ Brute.

Play Us a Sad Song, Claude

Halo: Reach: Listen to a hidden music cue.

We're Gonna Need a Bigger Ship

Halo: Reach: Fly both the Pelican and Phantom on New Alexandria.

Front Page News

Halo: Reach: Find me in the club.

The Humble Beginnings of Wiljax Brantley

Halo: Reach: Now that's a value meal.

Did You Major in Marine Bio?

Halo: Reach: Encounter the hidden marines on Exodus.

Fly, You Fools!

Halo: Reach: Find the hidden Banshees on The Package.

This is Not the Greatest Lab in the World...

Halo: Reach: Find your way into Halsey's Lab on The Package.

Hey, You Dropped This

Halo: Reach: Find Data Pad 1 on Winter Contingency.

Read Halsey's Journal

Halo: Reach: Find Data Pad 2 on ONI: Sword Base.

Meeting of the (Artificial) Minds

Halo: Reach: Find Data Pad 3 on Nightfall.

Rampant Speculation

Halo: Reach: Find Data Pad 4 on Tip Of The Spear.

Minority Report

Halo: Reach: Find Data Pad 5 on Long Night Of Solace.

Info Dump

Halo: Reach: Find Data Pad 6 on Exodus.

Paper Trail

Halo: Reach: Find Data Pad 7 on New Alexandria.

Terminal Conditions

Halo: Reach: Find Data Pad 8 on The Package.

Digital Destinies

Halo: Reach: Find Data Pad 9 on The Pillar Of Autumn.

Unreliable Narrator

Halo: Reach: Find Data Pad 10 on Winter Contingency on Legendary difficulty.

What Does It All Mean?

Halo: Reach: Find Data Pad 11 on ONI: Sword Base on Legendary difficulty.

Unsolved Mysteries

Halo: Reach: Find Data Pad 12 on Nightfall on Legendary difficulty.

Meddling and Madness

Halo: Reach: Find Data Pad 13 on Tip Of The Spear on Legendary difficulty.

The Answer is Simple

Halo: Reach: Find Data Pad 14 on Long Night Of Solace on Legendary Difficulty.

Of Patience and Partiality

Halo: Reach: Find Data Pad 15 on Exodus on Legendary difficulty.

Curious Composition

Halo: Reach: Find Data Pad 16 on New Alexandria on Legendary difficulty.

Silent Shepherds

Halo: Reach: Find Data Pad 17 on The Package on Legendary difficulty.

Assembled the Majority

Halo: Reach: Find Data Pad 18 on The Pillar Of Autumn on Legendary difficulty.

Yes No You Decide

Halo: Reach: Find Data Pad 19 on Lone Wolf on Legendary difficulty.

Canonical Conundrum

Halo: Reach: Find all Data Pads.

Why Do This To Yourself?

Halo: Reach: Complete the Halo: Reach LASO Campaign playlist.

Reach Has Been Good to Me

Halo: Reach: Complete a Halo: Reach playlist.

Who Needs Red Flag?

Halo: Reach: Complete three Halo: Reach playlists.

Remember Reach

Halo: Reach: Play a game of Halo: Reach on the 14th of any month.

Keep Your Foot on the Pedrogas

Halo: Reach: Complete all Halo: Reach Legendary campaign missions in under 3 hours.

Enemies Everywhere!

Halo: Reach: Complete a Firefight set on Normal or Harder.

Negative, Ghostrider

Halo: Reach: Get a Skullamanjaro in a matchmade Headhunter game.

Skunked

Halo: Reach: Won a matchmade game of Invasion in the 1st phase.

Clear and Present Danger

Halo: Reach: Pad on the run.

Left Behind

Halo: Reach: Achieve a score of 30,000 points on Lone Wolf.

One Final Firefight

Halo: Reach: Achieve a score of 150,000 points on Lone Wolf.

What About Bob?

Halo: Reach: Find and eliminate one of the hidden Ranger Commander Elites.

Jorge Can't Have All the Big Guns

Halo: Reach: Use a Pelican turret.

I'm Sorry, Dave

Halo: Reach: Find the hidden binary signature.

Workers' Compensation

Halo: Reach: Splatter an enemy using the forklift.

Capacious Cartography

Halo: Reach: Create a custom map using Forge World.

Requiescat in Pace

Halo: Reach: Complete 10 assassinations on enemy players.

Run and Gunned

Halo: Reach: Headshot 10 enemies while they are sprinting.

Game Breaker

Halo: Reach: Kill 10 enemies while using a Jetpack.

Because It Wasn't Hard Enough

Halo: Reach: Complete a Legendary campaign mission with 3 or more skulls enabled (Scoring Only).

Classic Completion

Halo: Reach: Complete Exodus without using any armor abilities.

Confused Callouts

Halo: Reach: Trigger a humorous callout on your HUD's position indicator.

Collection Eligibility Confirmed

Halo: Reach: See, he IS in the game!

Mind the Skill Gap

Halo: Reach: Observe the logo of a buttoned-up mining company.

Easy to Overlook

Halo: Reach: Access hidden UNSC radio chatter.

New Ways to Save a Buck

Halo: Reach: Hear a familiar voice on New Alexandria.

Halo: The Master Chief Collection Achievements

There are 700 Halo: The Master Chief Collection Achievements

Life Story

Complete the Master Chief Saga playlist.

Just Getting Started

Kill 100 enemies or players.

Balaho's Most Wanted

Kill 100 Grunts.

The One Percent

Kill 100 Elites.

Spoilsport

Kill 100 Jackals.

Going Bananas

Kill 100 Brutes.

Hunters Hunted

Kill 50 Hunters.

Checkmate

Kill 100 Watchers.

I Was Wondering What Would Break First

Kill 100 Knights.

Pest Control

Kill 100 Crawlers.

Thanks A Killion

Kill 20,000 enemies or players.

Medal Completionist

Collect 10,000 campaign or playlist medals.

The Guardians Are Coming

Get killed by the Guardians.

Bite The Hand

Kill a 343 developer in matchmaking or someone who has this achievement.

Mystery Achievement

Inscrutable. Mysterious.

Where Am I?

Complete 10 missions or multiplayer games.

I Got This

Complete 100 missions or multiplayer games.

Tempered Blade

Win 10 multiplayer games.

Forged in Fire

Win 100 multiplayer games.

Sample Plate

Complete three cross-game playlists.

I Dabble in Slaying

Complete one cross-game playlist.

Stick With It...A Little Longer

Play a multiplayer or co-op game at least 3 months after your first game.

Veteran

Complete all campaigns on Normal difficulty.

War Hero

Complete all campaigns on Heroic difficulty.

Legend

Complete all campaigns on Legendary difficulty.

Lore Master

Activate all terminals.

Your Journey Begins

Complete a campaign mission or a match of multiplayer.

LASO Master

Complete each individual game specific LASO playlist for every Halo game.

The Silent Cartographer

Halo CE: Complete The Silent Cartographer.

Assault on the Control Room

Halo CE: Complete Assault on the Control Room.

Pillar of Autumn

Halo CE: Complete The Pillar of Autumn.

Halo

Halo CE: Complete Halo.

Truth and Reconciliation

Halo CE: Complete The Truth and Reconciliation.

343 Guilty Spark

Halo CE: Complete 343 Guilty Spark.

The Library

Halo CE: Complete The Library.

Two Betrayals

Halo CE: Complete Two Betrayals.

Keyes

Halo CE: Complete Keyes.

The Maw

Halo CE: Complete The Maw.

Hit The Beach

Halo CE: Beat the par time on The Silent Cartographer.

Would It've Killed You To Take The Elevator

Halo CE: Beat the par time on Assault on the Control Room.

Didn't Like This Ship Anyways

Halo CE: Beat the par time on The Pillar of Autumn.

Flyover Country

Halo CE: Beat the par time on Halo.

You Can't Handle the Truth

Halo CE: Beat the par time on The Truth and Reconciliation.

Lightning in a Bottle

Halo CE: Beat the par time on 343 Guilty Spark.

TLDR

Halo CE: Beat the par time on The Library.

Whistle Stop Tour

Halo CE: Beat the par time on Two Betrayals.

Scurty Bump

Halo CE: Beat the par time on Keyes.

All You Can Eat

Halo CE: Beat the par time on The Maw.

Did Somebody Say...

Halo CE: Beat par time on all Halo: CE levels.

Charted

Halo CE: Beat the par score on The Silent Cartographer.

Vetro Strike

Halo CE: Beat the par score on Assault on the Control Room.

Pillar of Awesome

Halo CE: Beat the par score on The Pillar of Autumn.

Giant Hula Hoop

Halo CE: Beat the par score on Halo.

You Really Can't Handle the Truth

Halo CE: Beat the par score on The Truth and Reconciliation.

Circuit Breaker

Halo CE: Beat the par score on 343 Guilty Spark.

Reading Room

Halo CE: Beat the par score on The Library.

It Was Inevitable

Halo CE: Beat the par score on Two Betrayals.

Headstrong

Halo CE: Beat the par score on Keyes.

Consumption Junction

Halo CE: Beat the par score on The Maw.

Overachiever

Halo CE: Beat the par score on all Halo: CE levels.

Arrival

Halo CE: Activate Terminal 1 on The Pillar of Autumn.

Sacrifice

Halo CE: Activate Terminal 2 on Halo.

Splinters

Halo CE: Activate Terminal 3 on The Truth and Reconciliation.

Idle Hands

Halo CE: Activate Terminal 4 on The Silent Cartographer.

Hitchhikers May Be Escaping Convicts

Halo CE: Activate Terminal 5 on Assault on the Control Room.

Bearly Contained

Halo CE: Activate Terminal 6 on 343 Guilty Spark.

Quis custodiet ipsos custodes?

Halo CE: Activate Terminal 7 on The Library.

Memories

Halo CE: Activate Terminal 8 on Two Betrayals.

Mind Games

Halo CE: Activate Terminal 9 on Keyes.

Kilotons of Fun

Halo CE: Activate Terminal 10 on The Maw.

Dear Diary...

Halo CE: Activate all Halo: CE Terminals.

Skulltaker Halo: CE: Iron

Halo CE: Find and claim the Iron skull in remastered mode.

Skulltaker Halo: CE: Mythic

Halo CE: Find and claim the Mythic skull in remastered mode.

Skulltaker Halo: CE: Boom

Halo CE: Find and claim the Boom skull in remastered mode.

Skulltaker Halo: CE: Foreign

Halo CE: Find and claim the Foreign skull in remastered mode.

Skulltaker Halo: CE: Famine

Halo CE: Find and claim the Famine skull in remastered mode.

Skulltaker Halo: CE: Bandana

Halo CE: Find and claim the Bandanna skull in remastered mode.

Skulltaker Halo: CE: Fog

Halo CE: Find and claim the Fog skull in remastered mode.

Skulltaker Halo: CE: Malfunction

Halo CE: Find and claim the Malfunction skull in remastered mode.

Skulltaker Halo: CE: Recession

Halo CE: Find and claim the Recession skull in remastered mode.

Skulltaker Halo: CE: Black Eye

Halo CE: Find and claim the Black Eye skull in remastered mode.

Skulltaker Halo: CE: Eye Patch

Halo CE: Find and claim the Eye Patch skull in remastered mode.

Skulltaker Halo: CE: Pinata

Halo CE: Find and claim the Pinata skull in remastered mode.

Skulltaker Halo: CE: Grunt Birthday Party

Halo CE: Find and claim the Grunt Birthday Party skull in remastered mode.

Headhunter

Halo CE: Find and claim all Skulls in Halo: CE.

Birth of a Spartan

Halo CE: Complete every level of the game on Normal difficulty.

Believe in a Hero

Halo CE: Complete every level of the game on Heroic difficulty.

Living Legend

Halo CE: Complete every level of the game on Legendary difficulty.

Overshields are for Sissies

Halo CE: Complete the level The Pillar of Autumn on Legendary without picking up an overshield.

Walk It Off

Halo CE: Complete The Pillar of Autumn on Legendary without picking up a health kit.

How Pedestrian

Halo CE: Complete Halo without entering a vehicle.

That Just Happened

Halo CE: Complete The Library on Heroic or Legendary difficulty without dying.

Look Out for the Little Guys

Halo CE: Complete Two Betrayals on Legendary difficulty without killing any Grunts.

Leave It Where It Lay

Halo CE: Complete Two Betrayals on Legendary difficulty without picking up a new weapon.

Tying Up Loose Ends

Halo CE: Kill every Elite on the level Keyes on Heroic or Legendary difficulty.

A Fine Choice

Halo CE: Complete a Halo: CE playlist.

Excellent Taste

Halo CE: Complete three Halo: CE playlists.

Like a Fine Wine

Halo CE: Complete the Halo: CE LASO Campaign playlist.

You Are The Weapon

Halo CE: Kill a Hunter with one pistol round.

Madrigal Debut

Halo CE: Trigger a hidden music cue in Halo: CE.

My Buddy Chips

Halo CE: Fight alongside Chips Dubbo and listen to his words of wisdom.

No Smoking

Halo CE: Disapprovingly look at Captain Keyes' abandoned pipe.

T-Rex

Halo CE: Find the hidden Rex sign on The Maw.

Thirsty Grunt

Halo CE: Listen to the Thirsty Grunt talk about his eating habits.

Megg

Halo CE: It's a sign.

Get Me Out of Here!

Halo CE: Ride in a Pelican for several seconds on the level 343 Guilty Spark.

Feet Firmly Planted

Halo CE: Complete a level without jumping.

Before and After

Halo CE: Complete every level of the game having seen it in both classic and remastered mode.

Standard Operating Brocedure

Complete any co-op level on Normal difficulty.

Brovershield

Complete any co-op level on Heroic difficulty.

He's Unstoppable

Halo CE: Complete any level on Heroic difficulty or higher without taking health damage.

The Good, The Bad, and The Dead

Collect 9,000 campaign or playlist medals.

A Day To Remember

Halo CE: Play Halo: CE on the 15th of any month.

Goat Roped

Halo CE: Halo CE: Complete all Halo: CE Legendary campaign missions in under 3 hours.

Cairo Station

Halo 2: Complete Cairo Station.

Outskirts

Halo 2: Complete Outskirts.

Metropolis

Halo 2: Complete Metropolis.

The Arbiter

Halo 2: Complete The Arbiter.

Oracle

Halo 2: Complete The Oracle.

Delta Halo

Halo 2: Complete Delta Halo.

Regret

Halo 2: Complete Regret.

Sacred Icon

Halo 2: Complete Sacred Icon.

Quarantine Zone

Halo 2: Complete Quarantine Zone.

Gravemind

Halo 2: Complete Gravemind.

Uprising

Halo 2: Complete Uprising.

High Charity

Halo 2: Complete High Charity.

The Great Journey

Halo 2: Complete The Great Journey.

Don't Hangar Around

Halo 2: Beat the par time on Cairo Station.

Rooftop Runner

Halo 2: Beat the par time on Outskirts.

Speeding Ticket

Halo 2: Beat the par time on Metropolis.

YOLO Strats

Halo 2: Beat the par time on The Arbiter.

Reed the Strategy

Halo 2: Beat the par time on The Oracle.

So You Don't Want the Tank?

Halo 2: Beat the par time on Delta Halo.

I Regret Nothing

Halo 2: Beat the par time on Regret.

Terminal Velocity

Halo 2: Beat the par time on Sacred Icon.

Hot Zone

Halo 2: Beat the par time on Quarantine Zone.

Force of Will

Halo 2: Beat the par time on Gravemind.

No Man's Land

Halo 2: Beat the par time on Uprising.

Feeling Charitable

Halo 2: Beat the par time on High Charity.

Are We There Yet?

Halo 2: Beat the par time on The Great Journey.

Going Nowhere Fast

Halo 2: Beat par time on all Halo 2 levels.

Bomb Squad

Halo 2: Beat the par score on Cairo Station.

Objective Secured

Halo 2: Beat the par score on Outskirts.

Ripple Fire

Halo 2: Beat the par score on Metropolis.

Heresy Will Not Stay My Feet

Halo 2: Beat the par score on The Arbiter.

Leave None Alive

Halo 2: Beat the par score on The Oracle.

Boundless

Halo 2: Beat the par score on Delta Halo.

Fists of Fury

Halo 2: Beat the par score on Regret.

Guided Tour

Halo 2: Beat the par score on Sacred Icon.

The Doctor Is In

Halo 2: Beat the par score on Quarantine Zone.

Official Business

Halo 2: Beat the par score on Gravemind.

The Hype Is Real

Halo 2: Beat the par score on Uprising.

Scorched Earth

Halo 2: Beat the par score on High Charity.

Frequent Flyer Miles

Halo 2: Beat the par score on The Great Journey.

Arcade Owner

Halo 2: Beat the par score on every Halo 2 level.

Curious

Halo 2: Activate Terminal 1 on Cairo Station.

Inquisitive

Halo 2: Activate Terminal 2 on Outskirts.

Examiner

Halo 2: Activate Terminal 3 on Metropolis.

Inspector

Halo 2: Activate Terminal 4 on The Arbiter.

Fascinated

Halo 2: Activate Terminal 5 on The Oracle.

Enchanted

Halo 2: Activate Terminal 6 on Delta Halo.

Enamored

Halo 2: Activate Terminal 7 on Regret.

Determined

Halo 2: Activate Terminal 8 on Sacred Icon.

Delighted

Halo 2: Activate Terminal 9 on Quarantine Zone.

Knowledgable

Halo 2: Activate Terminal 10 on Gravemind.

Scholar

Halo 2: Activate Terminal 11 on Uprising.

Reviewer

Halo 2: Activate Terminal 12 on High Charity.

Obsessed

Halo 2: Activate Terminal 13 on The Great Journey.

Walking Encyclopedia

Halo 2: Activate all Halo 2 Terminals.

Skulltaker Halo 2: That's Just…Wrong

Halo 2: Find and claim the That's Just...Wrong Skull on Legendary.

Skulltaker Halo 2: Thunderstorm

Halo 2: Find and claim the Thunderstorm Skull on Legendary.

Skulltaker Halo 2: Blind

Halo 2: Find and claim the Blind Skull.

Skulltaker Halo 2: IWHBYD

Halo 2: Find and claim the IWHBYD Skull on Legendary.

Skulltaker Halo 2: Catch

Halo 2: Find and claim the Catch Skull on Legendary.

Skulltaker Halo 2: Grunt Birthday Party

Halo 2: Find and claim the Grunt Birthday Party Skull on Legendary.

Skulltaker Halo 2: Famine

Halo 2: Find and claim the Famine Skull on Legendary.

Skulltaker Halo 2: Envy

Halo 2: Find and claim the Envy Skull on Legendary.

Skulltaker Halo 2: Assassins

Halo 2: Find and claim the Assassins Skull on Legendary.

Skulltaker Halo 2: Mythic

Halo 2: Find and claim the Mythic Skull on Legendary.

Skulltaker Halo 2: Sputnik

Halo 2: Find and claim the Sputnik Skull on Legendary.

Skulltaker Halo 2: Anger

Halo 2: Find and claim the Anger Skull on Legendary.

Skulltaker Halo 2: Ghost

Halo 2: Find and claim the Ghost Skull on Legendary.

Skulltaker Halo 2: Iron

Halo 2: Find and claim the Iron Skull on Legendary.

Skulltaker Halo 2: Black Eye

Halo 2: Find and claim the Black Eye Skull on Legendary.

Trophy Collector

Halo 2: Find and claim all Skulls in Halo 2.

And So It Begins...

Halo 2: Collect the Master Chief toy in Delta Halo.

Regrettable Turn of Events

Halo 2: Collect the Prophet of Regret toy in Regret.

The Will of the Prophets

Halo 2: Collect the Arbiter toy in Sacred Icon.

Chieftain of the Brutes

Halo 2: Collect the Tartarus toy in Quarantine Zone.

Don't Make a Girl a Promise

Halo 2: Collect the Cortana toy in Gravemind.

My Work is Done

Halo 2: Collect the Librarian toy in Uprising.

I Like Crazy

Halo 2: Collect the Rampant Cortana toy in High Charity.

Pyrrhic Solution

Halo 2: Collect the Didact toy in The Great Journey.

Toybox

Halo 2: Collect all eight Halo toys.

Warrior

Halo 2: Complete every level of the game on Normal difficulty.

Hero

Halo 2: Complete every level of the game on Heroic difficulty.

Legendary Anniversary

Halo 2: Complete every level of the game on Legendary difficulty.

Seconds

Halo 2: Complete a Halo 2 playlist.

Connoisseur

Halo 2: Complete three Halo 2 playlists.

Six Pedals, Four Directions

Halo 2: Drive a Scorpion while playing as the Arbiter.

Betcha can't stick it...

Halo 2: Stick a Plasma Grenade to a Stealth Elite on Outskirts.

Cowardly Grunt

Halo 2: Listen to the Cowardly Grunt's woes.

Siege of Ivory Tower

Halo 2: Listen to a hidden music cue in Halo 2.

THE Chips Dubbo?

Halo 2: Fight alongside the legendary Chips Dubbo and listen to his words.

Rex Sword

Halo 2: Grab the energy sword on the level Outskirts.

10 Minutes Too Early

Halo 2: In The Oracle, find the holo-drone before the Heretic Leader activates it.

HI BEN

Halo 2: Oh, hi!

Animal Habitat

Halo 2: Spot the hippo on the walls of Headlong in classic multiplayer.

Sid Graffiti

Halo 2: Spot the Sid graffiti on the walls of Coagulation in classic multiplayer.

E E E

Halo 2: View both signs in the level Metropolis.

Why So Serious

Halo 2: View the smiling face in the classic multiplayer map Coagulation.

Why Am I Here?

Halo 2: View this hidden message on the classic Beaver Creek map.

GOOOAAAAALLLL!

Halo 2: Shoot the soccer ball in the level Metropolis.

Needs More Whammy Bar

Halo 2: Complete the level Regret with the Prophet Birthday Skull activated.

Like Peanut Butter and Chocolate

Halo 2: Complete a level in co-op on Heroic or Legendary with the Masterblaster Skull active.

Starved For Shields

Halo 2: Complete a level with only the Streaking Skull active on Heroic or Legendary.

Commuter

Halo 2: Complete Metropolis without entering a vehicle on Heroic or Legendary.

He Never Gets Me Anything

Halo 2: Complete Delta Halo without entering a vehicle on Heroic or Legendary.

Scarab Lord

Halo 2: Acquire the Scarab Gun.

Silent but Deadly

Halo 2: Kill 7 opponents from behind in a row without being spotted.

Demon

Halo 2: Complete any campaign level without dying on Normal or harder.

Go Ape Shiv

Halo 2: Kill an enraged, berserk Brute using melee.

Grand Theft Halo

Halo 2A MP: In one match, steal a total of 5 occupied vehicles from opponents.

Tour of Duty

Halo 2A MP: Complete a game in every one of the 6 updated Anniversary MP maps.

Double Down

Halo 2A MP: In Anniversary multiplayer, receive 2 or more Double Kill medals.

Warden

Halo 2 MP: In Classic or Anniversary matchmaking, stop the killing spree of another player.

Blown Out of the Sky

Halo 2A MP: Blow up the Banshee or Hornet in flight while piloted, with the Rocket Launcher.

Decorated Warrior

Halo 2A MP: Get awarded at least 10 different medals in one multiplayer game.

Ninja Redux

Halo 2A MP: Kill 5 people with melee from behind in Anniversary matchmaking.

Flaming Ninja Anniversary

Halo 2A MP: Kill an opponent that has the Ninja Redux achievement in Anniversary matchmaking.

Legend Slayer

Halo 2A MP: Kill an opponent that has the Legendary Anniversary achievement.

Back At It

Halo 2: Play a game of Halo 2 Anniversary on the 9th of any month.

Back for More

Halo 2: Complete the LASO campaign playlist.

Monopolized

Halo 2: Complete all Halo 2 Legendary campaign missions in under 3 hours.

Landfall

Halo 3: Complete Sierra 117.

Holdout

Halo 3: Complete Crow's Nest.

The Road

Halo 3: Complete Tsavo Highway.

Assault

Halo 3: Complete The Storm.

Cleansing

Halo 3: Complete Floodgate.

Refuge

Halo 3: Complete The Ark.

Last Stand

Halo 3: Complete The Covenant.

The Key

Halo 3: Complete Cortana.

Return

Halo 3: Complete Halo.

Speedy One One Seven

Halo 3: Beat the par time on Sierra 117.

Time Shift

Halo 3: Beat the par time on Crow's Nest.

Highway Robbery

Halo 3: Beat the par time on Tsavo Highway.

Lightning Strike

Halo 3: Beat the par time on The Storm.

Dambuster

Halo 3: Beat the par time on Floodgate.

Waypoint

Halo 3: Beat the par time on The Ark.

Scarab Slide

Halo 3: Beat the par time on The Covenant.

Making History

Halo 3: Beat the par time on Cortana.

Go, Chief! Gun It!

Halo 3: Beat the par time on Halo.

Speed Demon

Halo 3: Beat the par time on all Halo 3 levels.

Guerilla

Halo 3: Beat the par score on Sierra 117.

Cavalier

Halo 3: Beat the par score on Tsavo Highway.

Askar

Halo 3: Beat the par score on The Storm.

Exterminator

Halo 3: Beat the par score on Floodgate.

Ranger

Halo 3: Beat the par score on The Ark.

Vanguard

Halo 3: Beat the par score on The Covenant.

Orpheus

Halo 3: Beat the par score on Cortana.

Torchbearer

Halo 3: Beat the par score on Halo.

Better With Age

Halo 3: Beat the par score on every Halo 3 level.

Rising Waters

Halo 3: Activate Terminal 1 on The Ark.

Inundation

Halo 3: Activate Terminal 2 on The Ark.

Before the Fire

Halo 3: Activate Terminal 3 on The Ark.

Tipping Point

Halo 3: Activate Terminal 4 on The Covenant.

Unto Dust

Halo 3: Activate Terminal 5 on The Covenant.

Babbling Dead

Halo 3: Activate Terminal 6 on The Covenant.

Sword and Shield

Halo 3: Activate Terminal 7 on Halo.

The Coin's Fault

Halo 3: Activate Cortana's Terminal on Cortana.

Whispers Across the Galaxy

Halo 3: View the communique from Mendicant Bias.

Skulltaker Halo 3: Iron

Halo 3: Find and claim the Iron Skull on Normal or harder.

Skulltaker Halo 3: Black Eye

Halo 3: Find and claim the Black Eye Skull on Normal or harder.

Skulltaker Halo 3: Tough Luck

Halo 3: Find and claim the Tough Luck Skull on Normal or harder.

Skulltaker Halo 3: Catch

Halo 3: Find and claim the Catch Skull on Normal or harder.

Skulltaker Halo 3: Fog

Halo 3: Find and claim the Fog Skull on Normal or harder.

Skulltaker Halo 3: Famine

Halo 3: Find and claim the Famine Skull on Normal or harder.

Skulltaker Halo 3: Thunderstorm

Halo 3: Find and claim the Thunderstorm Skull on Normal or harder.

Skulltaker Halo 3: Tilt

Halo 3: Find and claim the Tilt Skull on Normal or harder.

Skulltaker Halo 3: Mythic

Halo 3: Find and claim the Mythic Skull on Normal or harder.

Prophet's Bane

Halo 3: Complete every level of the game on Normal difficulty.

With Your Shield or On It

Halo 3: Complete every level of the game on Heroic difficulty.

Finished the Fight

Halo 3: Complete every level of the game on Legendary difficulty.

Begins with a Single Step

Halo 3: On Tsavo Highway, complete the level without entering a vehicle.

Who Needs Them?

Halo 3: On The Ark, complete the level without entering a vehicle on Legendary.

Phantom Hunter

Halo 3: Destroy 3 total Phantoms on The Covenant.

Annual

Halo 3: Complete Halo on 4-player Legendary co-op, with Iron Skull, and everyone in Ghosts.

Dirge of Madrigal

Halo 3: Trigger the hidden music cue in Halo 3.

Primate

Halo 3: Find your first missing links.

Haplorrhini

Halo 3: Find a lonely missing link.

Can't Keep Him Down

Halo 3: Fight alongside and listen to The Man. The Legend. Chips Dubbo.

Flipyap

Halo 3: Listen to the tale of a young Grunt named Flipyap.

Heading to his Destiny

Halo 3: Destined for greatness.

Sounds Familiar

Halo 3: This stuff is your history!

Hippo Hero

Halo 3: Who DARED to discard this brave animal?

Milk Carton

Halo 3: Find the poster of the missing man.

Cool Story Bro

Halo 3: Listen to the story of the Final Grunt.

Man on the Moon

Halo 3: He's watching you.

Delicious Brains

Kill 100 Flood.

Zombie Repeller

Kill 1000 Flood.

Elder Signs

Halo 3: View 2 different sigils on Valhalla.

Third Time's A Charm

Halo 3: Play a game of Halo 3 on the 25th of any month.

Devastating

Halo 3: Complete all Halo 3 Legendary campaign missions in under 3 hours.

Dawn

Halo 4: Complete Dawn.

Requiem

Halo 4: Complete Requiem.

Forerunner

Halo 4: Complete Forerunner.

Infinity

Halo 4: Complete Infinity.

Reclaimer

Halo 4: Complete Reclaimer.

Shutdown

Halo 4: Complete Shutdown.

Composer

Halo 4: Complete Composer.

Midnight

Halo 4: Complete Midnight.

Piece of Cake

Halo 4: Beat the par time on Dawn.

Interloper

Halo 4: Beat the par time on Requiem.

Raging in the Dark

Halo 4: Beat the par time on Forerunner.

Ouroboros

Halo 4: Beat the par time on Infinity.

Gimme That

Halo 4: Beat the par time on Reclaimer.

Shut. Down. Everything.

Halo 4: Beat the par time on Shutdown.

Symphony of Pain

Halo 4: Beat the par time on Composer.

Countdown

Halo 4: Beat the par time on Midnight.

Easy As One Two Three

Halo 4: Beat the par time on all Halo 4 levels.

Gunslinger

Halo 4: Beat the par score on Dawn.

Dark Fortress

Halo 4: Beat the par score on Requiem.

Shadow of Sundered Star

Halo 4: Beat the par score on Forerunner.

Jungle Warfare

Halo 4: Beat the par score on Infinity.

Librarian's Pet

Halo 4: Beat the par score on Reclaimer.

Emergency Shutdown

Halo 4: Beat the par score on Shutdown.

Head Banging

Halo 4: Beat the par score on Composer.

Witching Hour

Halo 4: Beat the par score on Midnight.

You Had it Coming

Halo 4: Beat the par score on every Halo 4 level.

War

Halo 4: Activate Terminal 1 on Requiem.

Lord of Admirals

Halo 4: Activate Terminal 2 on Forerunner.

Charum Hakkor

Halo 4: Activate Terminal 3 on Infinity.

Flood

Halo 4: Activate Terminal 4 on Reclaimer.

Knights

Halo 4: Activate Terminal 5 on Shutdown.

Justice

Halo 4: Activate Terminal 6 on Composer.

Cryptum

Halo 4: Activate Terminal 7 on Midnight.

Terminus

Halo 4: Activate all Halo 4 Terminals.

Wake Up, John

Halo 4: Complete every level of the game on Normal difficulty.

I Need a Hero

Halo 4: Complete every level of the game on Heroic difficulty.

The Legend of 117

Halo 4: Complete every level of the game on Legendary difficulty.

Lone Wolf Legend

Halo 4: Complete every level of the game on Legendary difficulty, by yourself.

This is my Rifle, This is my Gun

Halo 4: Carry a UNSC weapon all the way through Forerunner on Heroic or Legendary.

Bros to the Close

Halo 4: Complete Infinity without one preventable Marine death on Heroic or Legendary.

Explore the Floor

Halo 4: Trick or force a Hunter to fall to its demise on Shutdown on Heroic or Legendary.

Give Him the Stick

Halo 4: Take out both Hunters using only the Sticky Detonator on Composer.

Chief, Smash!

Halo 4: Kill 3 Crawlers in one hit with the Gravity Hammer on Midnight.

You're No Chips

Halo 4: What do Marines know about sticks?

A Long Time Ago

Halo 4: Play a game of Halo 4 on the 6th of any month.

You're Joking

Halo 4: Complete all Halo 4 Legendary campaign missions in under 3 hours.

He's Running a Marathon...

Halo 2: Spot the developer in the opening cutscene of Gravemind on Legendary in Classic Mode.

Destination Vacation

Halo 2: View one of the seasonal signs on Zanzibar in classic multiplayer.

Tighten Up The Graphics

Halo 2: Complete every level of Halo 2 having seen it in both classic and remastered mode.

Mind the Gap

Halo 3: 4 vehicles, 1 gap on Legendary using Cowbell, Catch, Thunderstorm, Mythic, and Tough Luck.

Back In The Day

Halo CE: Play a CTF custom game on Blood Gulch with 4 players. Tri-tip optional.

Pacifist

Halo CE: Finish The Silent Cartographer without shooting, grenades, melee, dying or restarting.

Wraith Hunter

Halo CE: Destroy four Wraith tanks in Assault on the Control Room with the Scorpion tank.

Close Quarters Combat

Halo CE: Complete The Truth and Reconciliation with at least four rounds left in your Sniper Rifle.

This Side Up

Halo CE: Complete the Warthog ride of The Maw without being forcibly ejected from your vehicle.

Mortardom

Halo 4: On Reclaimer, use a Wraith to kill at least four enemy Wraiths on Heroic or Legendary.

All According to Plan...

Halo CE: Kill the first group of enemies on The Truth and Reconciliation without being detected.

Beachhead

Halo CE: Storm The Silent Cartographer beach with no Marine casualties on Heroic or Legendary.

The Return of Megg

Halo 2: She's not picking up.

No-Fly Zone

Halo CE: Destroy three of the four Banshees on Halo during a single play-through.

Bro Hammer

Complete any co-op level on Legendary difficulty.

Digging up the Past

Halo 4: Access the Master Chief's records on Dawn.

Missing Link

Halo 3: Watching. Waiting. Plotting.

Eminent Domain

Halo 2A MP: In Territories, control any 3 Territories simultaneously for 30 seconds.

Game Master

Created and saved 5 Custom Game types.

Gate Your Thirst!

Halo 2A MP: Found and destroyed the BLAST soda can on Stonetown.

High Altitude Thirst!

Halo 2A MP: Found and destroyed the BLAST soda can on Zenith.

Invaders Repelled

Halo 2A MP: In King of the Hill, kill 5 opponents within your controlled hill.

Master Forger

Created and saved 5 Custom Maps in Forge.

Power Play

Halo 2A MP: On Warlord, get 5 active camouflage power ups in a single game.

Put Up Your Dukes

Halo 2A MP: Get 25 melee kills in multiplayer.

Red vs. Blue

Halo 2A MP: Win 10 matches on Bloodline in multiplayer.

Rule Your Thirst!

Halo 2A MP: Found and destroyed the BLAST soda can on Warlord.

Shields Up!

Halo 2A MP: On Zenith, personally activate the center energy shield 3 times in one matchmade game.

Shook the Hornet's Nest

Halo 2A MP: Get 30 kills with the Hornet in multiplayer.

Skeet Shooter

Halo 2A MP: Killed 15 opponents that were airborne from a Man Cannon.

Stayin' Alive

Halo 2A MP: In Juggernaut, survive as the Juggernaut for 30 seconds.

The Goose is Loose

Halo 2A MP: Get 25 kills with the Gungoose in multiplayer.

Thirst Locked Down!

Halo 2A MP: Found and destroyed the BLAST soda can on Lockdown.

Top Gungoose

Halo 2A MP: Get a kill with the Gungoose while airborne.

BLASTacular!

Halo 2A MP: Destroyed all the Halo 2 Anniversary Multiplayer BLAST soda cans.

Bloody Thirsty!

Halo 2A MP: Found and destroyed the BLAST soda can on Bloodline.

Bombing Run

Halo 2A MP: In Assault, take, plant, and score from the bomb spawn without dying or dropping it.

Cold as Ice

Halo 2A MP: On Lockdown, kill an opponent with the hanging ice.

Cold Fusion

Halo 2A MP: Kill an opponent by detonating a Fusion Coil.

Counter-Sniped

Halo 2A MP: With a Sniper Rifle or Beam Rifle kill an enemy that was zoomed in.

Triple Threat

Halo 2A MP: In Ricochet, pass once, score once, and kill at least one enemy in the same match.

Wetwork

Halo 2A MP: On Shrine in CTF, activate the enemy base waterfall and, before it stops, grab the flag.

Worship Your Thirst!

Halo 2A MP: Found and destroyed the BLAST soda can on Shrine.

Zealot

Halo 2A MP: In Anniversary matchmaking, win 10 games as an Elite.

Dirty Bird

Halo 2: Fly the Heretic Banshee.

A Preference for Pain

Halo 3: Complete the Halo 3 LASO Campaign playlist.

Aficiando

Halo 3: Complete three Halo 3 playlists.

Naked Tyrant

Halo 4: Complete the Halo 4 LASO Campaign playlist.

Devotee

Halo 4: Complete three Halo 4 playlists.

Throne of Bones

Find and claim all the campaign skulls in Halo:CE, Halo 2, and Halo 3.

Boot Camp Hero

Halo 3: Complete a Halo 3 playlist.

A Pile of Medals

Collect 2,000 campaign or playlist medals.

A Crate of Medals

Collect 3,000 campaign or playlist medals.

A Heap of Medals

Collect 4,000 campaign or playlist medals.

A Few Trinkets

Collect 5,000 campaign or playlist medals.

Chest of Gold

Halo 4: Complete a Halo 4 playlist.

Oh, These Baubles?

Collect 6,000 campaign or playlist medals.

Chesty Puller Starter Kit

Collect 7,000 campaign or playlist medals.

Medal Master Chief

Collect 8,000 campaign or playlist medals.

Contender

Win 50 multiplayer games.

In It To Win It

Win 200 multiplayer games.

Game On

Complete 50 missions or multiplayer games.

Bonus Level

Complete 200 missions or multiplayer games.

Sharpshooter

Win 150 multiplayer games.

Can't Put It Down

Complete 150 missions or multiplayer games.

Battle Hardened

Win 250 multiplayer games.

Up All Night

Complete 250 missions or multiplayer games.

Thermopylae

Win 300 multiplayer games.

Can't Get Enough

Complete 300 missions or multiplayer games.

Striking Fear in Their Hearts

Win 350 multiplayer games.

Committed

Complete 350 missions or multiplayer games.

Steady Aim

Win 400 multiplayer games.

Big Time Gamer

Complete 400 missions or multiplayer games.

Quick Trigger Finger

Win 450 multiplayer games.

Long Time Fan

Complete 450 missions or multiplayer games.

Multiplayer Champion

Win 500 multiplayer games.

The Long Haul

Complete 500 missions or multiplayer games.

Just A Taste

Collect 500 campaign or playlist medals.

All Out of Bubblegum

Collect 1,000 campaign or playlist medals.

Foe Hammer

Kill 5,000 enemies or players.

Gruntageddon

Kill 1000 Grunts.

Were It So Easy

Kill 1000 Elites.

Scavenger Hunt

Kill 1000 Jackals.

Dankey Kang

Kill 1000 Brutes.

Wyrmslayer

Kill 250 Hunters.

Remove the Bishops From the Board

Kill 1000 Watchers.

Knightbane

Kill 1000 Knights.

Dogcatcher

Kill 1000 Crawlers.

Greenhorn

Halo CE: Complete every level of the game on Easy difficulty.

Big Green Style

Halo 2: Complete every level of the game on Easy difficulty.

Training Wheels

Halo 3: Complete every level of the game on Easy difficulty.

Librarian's Gift

Halo 4: Complete every level of the game on Easy difficulty.

Herald of the Reclamation

Complete all campaigns on Easy difficulty.

King of the Crows

Halo 3: Beat the par score on Crow's Nest.

Witch Doctor

Halo 3: Find and claim all Skulls in Halo 3.

Skulltaker Halo 3: Blind

Halo 3: Find and claim the Blind Skull on Normal or harder.

Skulltaker Halo 3: Grunt Birthday Party

Halo 3: Find and claim the Grunt Birthday Party Skull on Normal or harder.

Skulltaker Halo 3: Cowbell

Halo 3: Find and claim the Cowbell Skull on Normal or harder.

Skulltaker Halo 3: IWHBYD

Halo 3: Find and claim the IWHBYD Skull on Normal or harder.

No Stone Unturned

Halo 3: Activate all Halo 3 Terminals.

MVP

Halo 2A MP: Finished as the top player on the winning team in a matchmade game.

Operation Completion

Halo 4: Complete a Spartan Ops mission.

Departure

Halo 4: Complete all chapters in Spartan Ops Episode 1.

Artifact

Halo 4: Complete all chapters in Spartan Ops Episode 2.

Catherine

Halo 4: Complete all chapters in Spartan Ops Episode 3.

Didact's Hand

Halo 4: Complete all chapters in Spartan Ops Episode 4.

Memento Mori

Halo 4: Complete all chapters in Spartan Ops Episode 5.

Scattered

Halo 4: Complete all chapters in Spartan Ops Episode 6.

Invasion

Halo 4: Complete all chapters in Spartan Ops Episode 7.

Expendable

Halo 4: Complete all chapters in Spartan Ops Episode 8.

Key

Halo 4: Complete all chapters in Spartan Ops Episode 9.

Exodus

Halo 4: Complete all chapters in Spartan Ops Episode 10.

Feet First

Halo 4: Complete all Spartan Ops chapters.

Term of Enlistment

Halo 4: Complete all Spartan Ops chapters on Normal difficulty.

Hazard Pay

Halo 4: Complete all Spartan Ops chapters on Heroic difficulty.

Icarus

Halo 4: Complete all Spartan Ops chapters on Legendary difficulty.

Smooth Operator

Halo 4: Complete all Spartan Ops chapters solo on Legendary difficulty.

Roses vs Violets

Halo 4: Why are you even here?

No One Left Behind

Halo 4: Save at least one Marine on Hacksaw (Ep.2 Ch.3) of Spartan Ops on Heroic or Legendary.

Knight in White Assassination

Halo 4: Assassinate a Knight in any Spartan Ops mission.

What Power Outage?

Halo 4: Complete The Cauldron Base of Spartan Ops without losing a generator on Heroic or Legendary.

No Easy Way Out

Halo 4: Survive Spartan Miller (Ep.5 Ch.1) of Spartan Ops on Heroic or Legendary.

Nice Work Dawg!

Earn a total of 2,500 Assist medals in multiplayer.

Aim for the Head

Earn a total of 2,500 Headshot medals in multiplayer.

Dim Mak

Earn a total of 250 Beat Down medals in multiplayer.

Domination

Earn a total of 100 Legendary medals in matchmade games.

Double Trouble

Earn a total of 250 Double Kill medals in matchmade games.

Spree Master

Earn a total of 100 Killing Spree medals in matchmade games.

Catch This

Earn a total of 500 Grenade Kill or Plasma Kill medals in matchmade games.

Party Pooper

Earn a total of 250 Killjoy medals in matchmade games.

Planting A Flag

Earn a total of 250 CTF Mode Specific medals in matchmade games.

The True King

Earn a total of 250 KOTH Mode Specific medals in matchmade games.

Roadkill Rampage

Halo 2A MP: In Anniversary matchmaking, earn a total of 100 Splatter medals.

Rock and Coil Hit Back

Halo 2A MP: In Anniversary matchmaking, earn a total of 100 Environmentalist medals.

No Pain, No Gain

Complete 1 mission with the LASO playlist skulls enabled.

Airborne

Halo CE: Launch a Warthog for at least 5 seconds and have it splatter an enemy.

Assembly Skull

Halo 3: Find the hidden Skull on the Assembly multiplayer map.

Orbital Skull

Halo 3: Find the hidden Skull on the Orbital multiplayer map.

Sandbox Skull

Halo 3: Find the hidden Skull on the Sandbox multiplayer map.

Citadel Skull

Halo 3: Find the hidden Skull on the Citadel multiplayer map.

Heretic Skull

Halo 3: Find the hidden Skull on the Heretic multiplayer map.

Longshore Skull

Halo 3: Find the hidden Skull on the Longshore multilayer map.

Brainpan

Halo 3: Find all the hidden multiplayer Skulls.

Sightseeing

Halo CE: Complete a match on at least 8 different classic multiplayer maps.

Checking Out Your Options

Halo CE: Complete a match on at least 4 unique game types.

Tourist

Halo 2: Complete a match on at least 8 different classic multiplayer maps.

Window Shopping

Halo 2: Complete a match on at least 4 different game types in classic multiplayer.

World Traveler

Halo 3: Complete a match on at least 8 different multiplayer maps.

Just Browsing

Halo 3: Complete a match on at least 4 different game types in multiplayer.

Going International

Halo 4: Complete a match on at least 8 different multiplayer maps.

Taste Test

Halo 4: Complete a match on at least 4 different game types in multiplayer.

Naughty Naughty

Kill 10 Engineers.

Well...Maybe One or Two

Kill 25 Engineers.

Listener

H3: ODST: Find the 1st Audio Log.

An Ear Full

H3: ODST: Find the 2nd Audio Log.

Tuned In

H3: ODST: Find the 3rd Audio Log.

Do Tell

H3: ODST: Find the 4th Audio Log.

Hear Me Out

H3: ODST: Find the 5th Audio Log.

Eavesdropping

H3: ODST: Find the 6th Audio Log.

Auditor

H3: ODST: Find the 7th Audio Log.

Overheard

H3: ODST: Find the 8th Audio Log.

Wiretapping

H3: ODST: Find the 9th Audio Log.

Monitored

H3: ODST: Find the 10th Audio Log.

Hang Onto My Words

H3: ODST: Find the 11th Audio Log.

Give Heed

H3: ODST: Find the 12th Audio Log.

Get A Load

H3: ODST: Find the 13th Audio Log.

Snoop Troop

H3: ODST: Find the 14th Audio Log.

All Ears

H3: ODST: Find the 15th Audio Log.

Ear Bender

H3: ODST: Find the 16th Audio Log.

Plugged In

H3: ODST: Find the 17th Audio Log.

Attentive

H3: ODST: Find the 18th Audio Log.

Watchful

H3: ODST: Find the 19th Audio Log.

Observant

H3: ODST: Find the 20th Audio Log.

Scout

H3: ODST: Find the 21st Audio Log.

Adventurer

H3: ODST: Find the 22nd Audio Log.

Spotter

H3: ODST: Find the 23rd Audio Log.

Considerate

H3: ODST: Find the 24th Audio Log.

On Your Toes

H3: ODST: Find the 25th Audio Log.

Archivist

H3: ODST: Find the 26th Audio Log.

Your Attention Please

H3: ODST: Find the 27th Audio Log.

Catching On

H3: ODST: Find the 28th Audio Log.

Wisening Up

H3: ODST: Find the 29th Audio Log.

Audiophile

H3: ODST: Find the 30th Audio Log.

Rookie

H3: ODST: Complete every level of the game on Easy difficulty.

Urban Warfare Badge

H3: ODST: Complete every level of the game on Normal difficulty.

First In, Last Out

H3: ODST: Complete every level of the game on Heroic difficulty.

Mean Streets of New Mombasa

H3: ODST: Complete every level of the game on Legendary difficulty.

Junior Detective

H3: ODST: Find the 1st clue to unraveling the mystery.

Investigator

H3: ODST: Find the 2nd clue to unraveling the mystery.

Gumshoe

H3: ODST: Find the 3rd clue unraveling the mystery.

Bloodhound

H3: ODST: Find the 4th clue unraveling the mystery.

Private Eye

H3: ODST: Find the 5th clue unraveling the mystery.

Secret Agent

H3: ODST: Find the 6th clue unraveling the mystery.

Record Store Owner

H3: ODST: Find all 30 Audio Logs.

Tayari Plaza

H3: ODST: Complete Tayari Plaza.

Uplift Reserve

H3: ODST: Complete Uplift Reserve.

Kizingo Boulevard

H3: ODST: Complete Kizingo Blvd.

ONI Alpha Site

H3: ODST: Complete ONI Alpha Site.

NMPD HQ

H3: ODST: Complete NMPD HQ.

Kikowani Station

H3: ODST: Complete Kikowani Station.

Data Hive

H3: ODST: Complete Data Hive.

Coastal Highway

H3: ODST: Complete Coastal Highway.

Bill Past Due

H3: ODST: Beat the par time on Tayari Plaza.

Floor It!

H3: ODST: Beat the par time on Uplift Reserve.

An Artist's Canvas

H3: ODST: Beat the par time on Kizingo Blvd.

A Pleasant Trip

H3: ODST: Beat the par time on ONI Alpha Site.

First Stop: Anywhere But Here!

H3: ODST: Beat the par time on NMPD HQ.

Feet Don't Fail Me Now

H3: ODST: Beat the par time on Kikowani Station.

Overtaken By Events

H3: ODST: Beat the par time on Data Hive.

Double Time!

H3: ODST: Beat the par time on Coastal Highway.

Can't Stop Here, This is Brute Country

H3: ODST: Beat par time on all Halo 3: ODST levels.

Survey Says...

H3: ODST: Beat the par score on Tayari Plaza.

Don't Strain Your Metaphors

H3: ODST: Beat the par score on Uplift Reserve.

Son of a Gun

H3: ODST: Beat the par score on Kizingo Blvd.

I Love My Job

H3: ODST: Beat the par score on ONI Alpha Site.

Pour It On

H3: ODST: Beat the par score on NMPD HQ.

Squid Jackpot!

H3: ODST: Beat the par score on Kikowani Station.

Magic Touch

H3: ODST: Beat the par score on Data Hive.

This Oliphant Has No Brakes

H3: ODST: Beat the par score on Coastal Highway.

The Marine Corps Gives Its Regards

H3: ODST: Beat par score on all Halo 3: ODST levels.

Déjà Vu

H3: ODST: Complete Coastal Highway on 4-player Legendary co-op, with Iron, and no 'Hog or Scorpion.

Do You Remember When We Met

H3: ODST: Play a game of Halo 3: ODST on the 22nd of any month.

Safety Not Guaranteed

H3: ODST: Complete a Halo 3: ODST LASO Campaign playlist.

Trifecta

H3: ODST: Complete three Halo 3: ODST playlists.

NEXT!

H3: ODST: Complete a Halo 3: ODST playlist.

Nagato Makes Moving Easy

H3: ODST: Complete all Halo 3: ODST Legendary campaign missions in under 3 hours.

One Got Away

H3: ODST: View the missing link.

Like a Broken Record

H3: ODST: Find a legendary hidden music cue.

Vandalized

H3: ODST: Face it.

Saturday Morning Cartoon

H3: ODST: Is there a toy inside?

Classic

H3: ODST: Finish any level solo on Legendary, with no shots fired or grenades thrown.

Catch 'Em Napping

H3: ODST: Kill 5 sleeping Grunts on Mombasa Streets.

Strong, Silent Type

H3: ODST: Assassinate 3 Brutes in a row on Data Hive.

Bip! Bap! BAM!

H3: ODST: Earn a Triple Kill medal with the pistol on any level.

Pineapple Express

H3: ODST: Kill 4 enemies with a single plasma or frag grenade.

Fowl Hunt

H3: ODST: Kill 3 Jetpack Brutes with a shotgun on Oni Alpha Site.

Does Whatever a Spartan Can?

H3: ODST: Destroy a Wraith…with your bare hands.

Firefly

H3: ODST: Kill a Drone with a flame grenade on Data Hive.

"BLAM" Said The Lady!

H3: ODST: Swap Dare's pistol for a Rocket Launcher on Coastal Highway.

One Way Ride

H3: ODST: Complete any level without using a health pack on Heroic or Legendary.

Just Sayin...I Ain't Dead

H3: ODST: Complete any level without dying on Heroic or Legendary.

Deference of Darkness

H3: ODST: Complete any level without activating VISR mode.

Those Left Behind

H3: ODST: Finish Tayari Plaza with at least one Marine still breathing.

Shoot and Scoot

H3: ODST: Complete NMPD HQ without firing the Sniper Rifle on Heroic or Legendary.

Fast and Low

H3: ODST: Splatter 7 enemies with a Banshee on Kikowani Station.

Shiny...

H3: ODST: Pilot a Banshee on Kizingo Boulevard.

Bits and Pieces

H3: ODST: Destroy 5 Phantoms on NMPD HQ.

What About Those Tanks?

H3: ODST: Destroy 7 Wraiths on Oni Alpha Site.

Two Places, Same Time

H3: ODST: I've got my eye on you, Marine.

Xenophobia

H3: ODST: Complete any level without using Covenant weapons.

Monumental Thirst!

H2A: Found and destroyed the BLAST soda can on Remnant..

We're Just Getting Started

Halo: Reach: Complete Winter Contingency.

No Picnic

Halo: Reach: Observe a grizzly scene on New Alexandria.

Protocol Dictates Action

Halo: Reach: Complete ONI: Sword Base.

I Need A Weapon

Halo: Reach: Complete Nightfall.

To War

Halo: Reach: Complete Tip of the Spear.

You Flew Pretty Good

Halo: Reach: Complete Long Night of Solace.

Into The Howling Dark

Halo: Reach: Complete Exodus.

Dust And Echoes

Halo: Reach: Complete New Alexandria.

This Is Not Your Grave

Halo: Reach: Complete The Package.

Send Me Out... With A Bang

Halo: Reach: Complete The Pillar of Autumn.

Welcome to Reach

Halo: Reach: Complete every level of the game on Easy difficulty.

The Soldier We Need You To Be

Halo: Reach: Complete every level of the game on Normal difficulty.

Folks Need Heroes…

Halo: Reach: Complete every level of the game on Heroic difficulty.

Gods Must Be Strong

Halo: Reach: Complete every level of the game on Legendary difficulty.

A Monument To All Your Sins

Halo: Reach: Complete every level of the game on Legendary difficulty, by yourself.

Winter Urgency

Halo: Reach: Beat the par time on Winter Contingency.

Just Like Storming a Castle

Halo: Reach: Beat the par time on ONI: Sword Base.

Now Just You Gúta Minute

Halo: Reach: Beat the par time on Nightfall.

Generous Tipper

Halo: Reach: Beat the par time on Tip of the Spear.

Sabre Metrics

Halo: Reach: Beat the par time on Long Night of Solace.

Quicker Than Reading the Book

Halo: Reach: Beat the par time on Exodus.

One For the Record Books

Halo: Reach: Beat the par time on New Alexandria.

Speedy Delivery

Halo: Reach: Beat the par time on The Package.

Wait, How'd the Ship Get Down Here?

Halo: Reach: Beat the par time on The Pillar of Autumn.

Fast Fall

Halo: Reach: Beat par time on all Halo: Reach levels.

Ice In Your Veins

Halo: Reach: Beat the par score on Winter Contingency.

Still Sharp

Halo: Reach: Beat the par score on ONI: Sword Base.

Moon's Out, Goons Out

Halo: Reach: Beat the par score on Nightfall.

Bake That Cake

Halo: Reach: Beat the par score on Tip of the Spear.

Insomnia

Halo: Reach: Beat the par score on Long Night of Solace.

Parting the Sea

Halo: Reach: Beat the par score on Exodus.

Nine Lives Are a Myth

Halo: Reach: Beat the par score on New Alexandria.

How Did I Lose All My Fingers?

Halo: Reach: Beat the par score on The Package.

Precious Cargo

Halo: Reach: Beat the par score on The Pillar of Autumn.

We'll Be Back

Halo: Reach: Beat the par score on every Halo: Reach level.

T'vaoan Terminator

Halo: Reach: Kill 100 Skirmishers.

Chol Von's Not Gonna Like This

Halo: Reach: Kill 1000 Skirmishers.

Keep It Clean

Halo: Reach: Kill 7 Moa during Winter Contingency.

They've Always Been Faster

Halo: Reach: Clear Winter Contingency without setting foot in a drivable vehicle.

Wake Up Buttercup

Halo: Reach: Destroy the Corvette's engines & escort in under 3 minutes during Long Night of Solace

Two Corpses In One Grave

Halo: Reach: Kill 2 vehicles at once with the Target Locator during ONI: Sword Base.

Your Heresy Will Stay Your Feet

Halo: Reach: Kill the Elite Zealot before he can escape during Tip of the Spear.

I Didn't Train To Be A Pilot

Halo: Reach: Kill 3 of the anti-aircraft batteries during New Alexandria.

Tank Beats Everything

Halo: Reach: Finish The Package on Legendary with the Scorpion intact.

Swift and Shallow

Halo: Reach: Hijack a Banshee during the Reach Campaign.

Forza in the Fall

Halo: Reach: Flip the switches to become a Reach Racer!

HBOrg Special

Halo: Reach: Party with the DJ Brute.

Play Us a Sad Song, Claude

Halo: Reach: Listen to a hidden music cue.

We're Gonna Need a Bigger Ship

Halo: Reach: Fly both the Pelican and Phantom on New Alexandria.

Front Page News

Halo: Reach: Find me in the club.

The Humble Beginnings of Wiljax Brantley

Halo: Reach: Now that's a value meal.

Did You Major in Marine Bio?

Halo: Reach: Encounter the hidden marines on Exodus.

Fly, You Fools!

Halo: Reach: Find the hidden Banshees on The Package.

This is Not the Greatest Lab in the World…

Halo: Reach: Find your way into Halsey's Lab on The Package.

Hey, You Dropped This

Halo: Reach: Find Data Pad on 1 Winter Contingency

Read Halsey's Journal

Halo: Reach: Find Data Pad 2 on ONI: Sword Base

Meeting of the (Artificial) Minds

Halo: Reach: Find Data Pad 3 on Nightfall

Rampant Speculation

Halo: Reach: Find Data Pad 4 on Tip Of The Spear

Minority Report

Halo: Reach: Find Data Pad 5 on Long Night Of Solace

Info Dump

Halo: Reach: Find Data Pad 6 on Exodus

Paper Trail

Halo: Reach: Find Data Pad 7 on New Alexandria

Terminal Conditions

Halo: Reach: Find Data Pad 8 on The Package

Digital Destinies

Halo: Reach: Find Data Pad 9 on The Pillar Of Autumn

Unreliable Narrator

Halo: Reach: Find Data Pad 10 on Winter Contingency on Legendary difficulty

What Does It All Mean?

Halo: Reach: Find Data Pad 11 on ONI: Sword Base on Legendary difficulty

Unsolved Mysteries

Halo: Reach: Find Data Pad 12 on Nightfall on Legendary difficulty

Meddling and Madness

Halo: Reach: Find Data Pad 13 on Tip Of The Spear on Legendary difficulty

The Answer is Simple

Halo: Reach: Find Data Pad 14 on Long Night Of Solace on Legendary Difficulty

Of Patience and Partiality

Halo: Reach: Find Data Pad 15 on Exodus on Legendary difficulty

Curious Composition

Halo: Reach: Find Data Pad 16 on New Alexandria on Legendary difficulty

Silent Shepherds

Halo: Reach: Find Data Pad 17 on The Package on Legendary difficulty

Assembled the Majority

Halo: Reach: Find Data Pad 18 on The Pillar Of Autumn on Legendary difficulty

Yes No You Decide

Halo: Reach: Find Data Pad 19 on Lone Wolf on Legendary difficulty

Canonical Conundrum

Halo: Reach: Find all Data Pads.

Why Do This To Yourself?

Halo: Reach: Complete the Halo: Reach LASO Campaign playlist.

Reach Has Been Good to Me

Halo: Reach: Complete a Halo: Reach playlist.

Who Needs Red Flag?

Halo: Reach: Complete three Halo: Reach playlists.

Remember Reach

Halo: Reach: Play a game of Halo: Reach on the 14th of any month.

Keep Your Foot on the Pedrogas

Halo: Reach: Complete all Halo: Reach Legendary campaign missions in under 3 hours.

Enemies Everywhere!

Halo: Reach: Complete a Firefight set on Normal or Harder.

Negative, Ghostrider

Halo: Reach: Get a Skullamanjaro in a matchmade Headhunter game.

Skunked

Halo: Reach: Won a matchmade game of Invasion in the 1st phase.

Clear and Present Danger

Halo: Reach: Pad on the run.

Left Behind

Halo: Reach: Achieve a score of 30,000 points on Lone Wolf.

One Final Firefight

Halo: Reach: Achieve a score of 150,000 points on Lone Wolf.

What About Bob?

Halo: Reach: Find and eliminate one of the hidden Ranger Commander Elites.

Jorge Can't Have All the Big Guns

Halo: Reach: Use a Pelican turret.

I'm Sorry, Dave

Halo: Reach: Find the hidden binary signature.

Workers' Compensation

Halo: Reach: Splatter an enemy using the forklift.

Capacious Cartography

Halo: Reach: Create a custom map using Forge World.

Requiescat in Pace

Halo: Reach: Complete 10 assassinations on enemy players.

Run and Gunned

Halo: Reach: Headshot 10 enemies while they are sprinting.

Game Breaker

Halo: Reach: Kill 10 enemies while using a Jetpack.

Because It Wasn't Hard Enough

Halo: Reach: Complete a Legendary campaign mission with 3 or more skulls enabled (Scoring Only).

Classic Completion

Halo: Reach: Complete Exodus without using any armor abilities.

Confused Callouts

Halo: Reach: Trigger a humorous callout on your HUD's position indicator.

Collection Eligibility Confirmed

Halo: Reach: See, he IS in the game!

Mind the Skill Gap

Halo: Reach: Observe the logo of a buttoned-up mining company.

Easy to Overlook

Halo: Reach: Access hidden UNSC radio chatter.

New Ways to Save a Buck

Halo: Reach: Hear a familiar voice on New Alexandria.

Pillar of Autumn

Halo CE: Complete The Pillar of Autumn.

Halo

Halo CE: Complete Halo.

Truth and Reconciliation

Halo CE: Complete The Truth and Reconciliation.

The Silent Cartographer

Halo CE: Complete The Silent Cartographer.

Assault on the Control Room

Halo CE: Complete Assault on the Control Room.

Didn't Like This Ship Anyways

Halo CE: Beat the par time on The Pillar of Autumn.

Flyover Country

Halo CE: Beat the par time on Halo.

You Can't Handle the Truth

Halo CE: Beat the par time on The Truth and Reconciliation.

Hit The Beach

Halo CE: Beat the par time on The Silent Cartographer.

Would It've Killed You To Take The Elevator

Halo CE: Beat the par time on Assault on the Control Room.

Pillar of Awesome

Halo CE: Beat the par score on The Pillar of Autumn.

Giant Hula Hoop

Halo CE: Beat the par score on Halo.

You Really Can't Handle the Truth

Halo CE: Beat the par score on The Truth and Reconciliation.

Charted

Halo CE: Beat the par score on The Silent Cartographer.

Vetro Strike

Halo CE: Beat the par score on Assault on the Control Room.

Halo: The Master Chief Collection Achievements

There are 479 Halo: The Master Chief Collection Achievements worth 4755 gamerscore

Skulltaker Halo: CE: Mythic

Halo CE: Find and claim the Mythic skull in remastered mode.

Didn't Like This Ship Anyways

Halo CE: Beat the par time on The Pillar of Autumn.

Pillar of Autumn

Halo CE: Complete The Pillar of Autumn.

Balaho's Most Wanted

Kill 100 Grunts.

Just Getting Started

Kill 100 enemies or players.

Arrival

Halo CE: Activate Terminal 1 on The Pillar of Autumn.

Skulltaker Halo: CE: Iron

Halo CE: Find and claim the Iron skull in remastered mode.

Dawn

Halo 4: Complete Dawn.

Piece of Cake

Halo 4: Beat the par time on Dawn.

The Guardians Are Coming

Get killed by the Guardians.

Your Journey Begins

Complete a campaign mission or a match of multiplayer.

A Long Time Ago

Halo 4: Play a game of Halo 4 on the 6th of any month.

10 Minutes Too Early

Halo 2: In The Oracle, find the holo-drone before the Heretic Leader activates it.

343 Guilty Spark

Halo CE: Complete 343 Guilty Spark.

A Crate of Medals

Collect 3,000 campaign or playlist medals.

A Day To Remember

Halo CE: Play Halo: CE on the 15th of any month.

A Few Trinkets

Collect 5,000 campaign or playlist medals.

A Fine Choice

Halo CE: Complete a Halo: CE playlist.

A Heap of Medals

Collect 4,000 campaign or playlist medals.

A Pile of Medals

Collect 2,000 campaign or playlist medals.

A Preference for Pain

Halo 3: Complete the Halo 3 LASO Campaign playlist.

Aficiando

Halo 3: Complete three Halo 3 playlists.

Aim for the Head

Earn a total of 2,500 Headshot medals in multiplayer.

Airborne

Halo CE: Launch a Warthog for at least 5 seconds and have it splatter an enemy.

All According to Plan...

Halo CE: Kill the first group of enemies on The Truth and Reconciliation without being detected.

All Out of Bubblegum

Collect 1,000 campaign or playlist medals.

All You Can Eat

Halo CE: Beat the par time on The Maw.

And So It Begins...

Halo 2: Collect the Master Chief toy in Delta Halo.

Animal Habitat

Halo 2: Spot the hippo on the walls of Headlong in classic multiplayer.

Annual

Halo 3: Complete Halo on 4-player Legendary co-op, with Iron Skull, and everyone in Ghosts.

Arcade Owner

Halo 2: Beat the par score on every Halo 2 level.

Are We There Yet?

Halo 2: Beat the par time on The Great Journey.

Askar

Halo 3: Beat the par score on The Storm.

Assault

Halo 3: Complete The Storm.

Assault on the Control Room

Halo CE: Complete Assault on the Control Room.

Assembly Skull

Halo 3: Find the hidden Skull on the Assembly multiplayer map.

Babbling Dead

Halo 3: Activate Terminal 6 on The Covenant.

Back At It

Halo 2: Play a game of Halo 2 Anniversary on the 9th of any month.

Back for More

Halo 2: Complete the LASO campaign playlist.

Back In The Day

Halo CE: Play a CTF custom game on Blood Gulch with 4 players on the same console. Tri-tip optional.

Battle Hardened

Win 250 multiplayer games.

Beachhead

Halo CE: Storm The Silent Cartographer beach with no Marine casualties on Heroic or Legendary.

Bearly Contained

Halo CE: Activate Terminal 6 on 343 Guilty Spark.

Before and After

Halo CE: Complete every level of the game having seen it in both classic and remastered mode.

Before the Fire

Halo 3: Activate Terminal 3 on The Ark.

Begins with a Single Step

Halo 3: On Tsavo Highway, complete the level without entering a vehicle.

Believe in a Hero

Halo CE: Complete every level of the game on Heroic difficulty.

Betcha can't stick it...

Halo 2: Stick a Plasma Grenade to a Stealth Elite on Outskirts.

Better With Age

Halo 3: Beat the par score on every Halo 3 level.

Big Green Style

Halo 2: Complete every level of the game on Easy difficulty.

Big Time Gamer

Complete 400 missions or multiplayer games.

Birth of a Spartan

Halo CE: Complete every level of the game on Normal difficulty.

Bite The Hand

Kill a 343 developer in matchmaking or someone who has this achievement.

BLASTacular!

Halo 2A MP: Destroyed all the Halo 2 Anniversary Multiplayer BLAST soda cans.

Bloody Thirsty!

Halo 2A MP: Found and destroyed the BLAST soda can on Bloodline.

Blown Out of the Sky

Halo 2A MP: Blow up the Banshee or Hornet in flight while piloted, with the Rocket Launcher.

Bomb Squad

Halo 2: Beat the par score on Cairo Station.

Bombing Run

Halo 2A MP: In Assault, take, plant, and score from the bomb spawn without dying or dropping it.

Bonus Level

Complete 200 missions or multiplayer games.

Boot Camp Hero

Halo 3: Complete a Halo 3 playlist.

Boundless

Halo 2: Beat the par score on Delta Halo.

Brainpan

Halo 3: Find all the hidden multiplayer Skulls.

Bro Hammer

Complete any co-op level on Legendary difficulty.

Bros to the Close

Halo 4: Complete Infinity without one preventable Marine death on Heroic or Legendary.

Brovershield

Complete any co-op level on Heroic difficulty.

Cairo Station

Halo 2: Complete Cairo Station.

Can't Get Enough

Complete 300 missions or multiplayer games.

Can't Keep Him Down

Halo 3: Fight alongside and listen to The Man. The Legend. Chips Dubbo.

Can't Put It Down

Complete 150 missions or multiplayer games.

Catch This

Earn a total of 500 Grenade Kill or Plasma Kill medals in matchmade games.

Cavalier

Halo 3: Beat the par score on Tsavo Highway.

Charted

Halo CE: Beat the par score on The Silent Cartographer.

Charum Hakkor

Halo 4: Activate Terminal 3 on Infinity.

Checking Out Your Options

Halo CE: Complete a match on at least 4 unique game types.

Checkmate

Kill 100 Watchers.

Chest of Gold

Halo 4: Complete a Halo 4 playlist.

Chesty Puller Starter Kit

Collect 7,000 campaign or playlist medals.

Cold Fusion

Halo 2A MP: Kill an opponent by detonating a Fusion Coil.

Committed

Complete 350 missions or multiplayer games.

Commuter

Halo 2: Complete Metropolis without entering a vehicle on Heroic or Legendary.

Composer

Halo 4: Complete Composer.

Connoisseur

Halo 2: Complete three Halo 2 playlists.

Consumption Junction

Halo CE: Beat the par score on The Maw.

Contender

Win 50 multiplayer games.

Cool Story Bro

Halo 3: Listen to the story of the Final Grunt.

Countdown

Halo 4: Beat the par time on Midnight.

Counter-Sniped

Halo 2A MP: With a Sniper Rifle or Beam Rifle kill an enemy that was zoomed in.

Cowardly Grunt

Halo 2: Listen to the Cowardly Grunt's woes.

Cryptum

Halo 4: Activate Terminal 7 on Midnight.

Curious

Halo 2: Activate Terminal 1 on Cairo Station.

Dambuster

Halo 3: Beat the par time on Floodgate.

Dankey Kang

Kill 1000 Brutes.

Dark Fortress

Halo 4: Beat the par score on Requiem.

Dear Diary...

Halo CE: Activate all Halo: CE Terminals.

Decorated Warrior

Halo 2A MP: Get awarded at least 10 different medals in one multiplayer game.

Delicious Brains

Kill 100 Flood.

Delighted

Halo 2: Activate Terminal 9 on Quarantine Zone.

Delta Halo

Halo 2: Complete Delta Halo.

Demon

Halo 2: Complete any campaign level without dying on Normal or harder.

Destination Vacation

Halo 2: View one of the seasonal signs on Zanzibar in classic multiplayer.

Determined

Halo 2: Activate Terminal 8 on Sacred Icon.

Devastating

Halo 3: Complete all Halo 3 Legendary campaign missions in under 3 hours.

Devotee

Halo 4: Complete three Halo 4 playlists.

Did Somebody Say...

Halo CE: Beat par time on all Halo: CE levels.

Chief, Smash!

Halo 4: Kill 3 Crawlers in one hit with the Gravity Hammer on Midnight.

Chieftain of the Brutes

Halo 2: Collect the Tartarus toy in Quarantine Zone.

Circuit Breaker

Halo CE: Beat the par score on 343 Guilty Spark.

Citadel Skull

Halo 3: Find the hidden Skull on the Citadel multiplayer map.

Cleansing

Halo 3: Complete Floodgate.

Close Quarters Combat

Halo CE: Complete The Truth and Reconciliation with at least four rounds left in your Sniper Rifle.

Cold as Ice

Halo 2A MP: On Lockdown, kill an opponent with the hanging ice.

Waypoint

Halo 3: Beat the par time on The Ark.

Were It So Easy

Kill 1000 Elites.

Wetwork

Halo 2A MP: On Shrine in CTF, activate the enemy base waterfall and, before it stops, grab the flag.

Where Am I?

Complete 10 missions or multiplayer games.

Digging up the Past

Halo 4: Access the Master Chief's records on Dawn.

Dim Mak

Earn a total of 250 Beat Down medals in multiplayer.

Dirge of Madrigal

Halo 3: Trigger the hidden music cue in Halo 3.

Dirty Bird

Halo 2: Fly the Heretic Banshee.

Dogcatcher

Kill 1000 Crawlers.

Domination

Earn a total of 100 Legendary medals in matchmade games.

Don't Hangar Around

Halo 2: Beat the par time on Cairo Station.

Don't Make a Girl a Promise

Halo 2: Collect the Cortana toy in Gravemind.

Double Down

Halo 2A MP: In Anniversary multiplayer, receive 2 or more Double Kill medals.

Double Trouble

Earn a total of 250 Double Kill medals in matchmade games.

E E E

Halo 2: View both signs in the level Metropolis.

Whispers Across the Galaxy

Halo 3: View the communique from Mendicant Bias.

Easy As One Two Three

Halo 4: Beat the par time on all Halo 4 levels.

Whistle Stop Tour

Halo CE: Beat the par time on Two Betrayals.

Who Needs Them?

Halo 3: On The Ark, complete the level without entering a vehicle on Legendary.

Elder Signs

Halo 3: View 2 different sigils on Valhalla.

Why Am I Here?

Halo 2: View this hidden message on the classic Beaver Creek map.

Why So Serious

Halo 2: View the smiling face in the classic multiplayer map Coagulation.

Window Shopping

Halo 2: Complete a match on at least 4 different game types in classic multiplayer.

Emergency Shutdown

Halo 4: Beat the par score on Shutdown.

Witch Doctor

Halo 3: Find and claim all Skulls in Halo 3.

Eminent Domain

Halo 2A MP: In Territories, control any 3 Territories simultaneously for 30 seconds.

Witching Hour

Halo 4: Beat the par score on Midnight.

With Your Shield or On It

Halo 3: Complete every level of the game on Heroic difficulty.

World Traveler

Halo 3: Complete a match on at least 8 different multiplayer maps.

Enamored

Halo 2: Activate Terminal 7 on Regret.

Enchanted

Halo 2: Activate Terminal 6 on Delta Halo.

Worship Your Thirst!

Halo 2A MP: Found and destroyed the BLAST soda can on Shrine.

Examiner

Halo 2: Activate Terminal 3 on Metropolis.

Would It've Killed You To Take The Elevator

Halo CE: Beat the par time on Assault on the Control Room.

Excellent Taste

Halo CE: Complete three Halo: CE playlists.

Wraith Hunter

Halo CE: Destroy four Wraith tanks in Assault on the Control Room with the Scorpion tank.

Wyrmslayer

Kill 250 Hunters.

YOLO Strats

Halo 2: Beat the par time on The Arbiter.

You Are The Weapon

Halo CE: Kill a Hunter with one pistol round.

You Can't Handle the Truth

Halo CE: Beat the par time on The Truth and Reconciliation.

Explore the Floor

Halo 4: Trick or force a Hunter to fall to its demise on Shutdown on Heroic or Legendary.

You Had it Coming

Halo 4: Beat the par score on every Halo 4 level.

Exterminator

Halo 3: Beat the par score on Floodgate.

Fascinated

Halo 2: Activate Terminal 5 on The Oracle.

Feeling Charitable

Halo 2: Beat the par time on High Charity.

Feet Firmly Planted

Halo CE: Complete a level without jumping.

Finished the Fight

Halo 3: Complete every level of the game on Legendary difficulty.

You Really Can't Handle the Truth

Halo CE: Beat the par score on The Truth and Reconciliation.

Fists of Fury

Halo 2: Beat the par score on Regret.

Flaming Ninja Anniversary

Halo 2A MP: Kill an opponent that has the Ninja Redux achievement in Anniversary matchmaking.

Flipyap

Halo 3: Listen to the tale of a young Grunt named Flipyap.

Flood

Halo 4: Activate Terminal 4 on Reclaimer.

You're Joking

Halo 4: Complete all Halo 4 Legendary campaign missions in under 3 hours.

You're No Chips

Halo 4: What do Marines know about sticks?

Zealot

Halo 2A MP: In Anniversary matchmaking, win 10 games as an Elite.

Flyover Country

Halo CE: Beat the par time on Halo.

Foe Hammer

Kill 5,000 enemies or players.

Force of Will

Halo 2: Beat the par time on Gravemind.

Forerunner

Halo 4: Complete Forerunner.

Forged in Fire

Win 100 multiplayer games.

Frequent Flyer Miles

Halo 2: Beat the par score on The Great Journey.

Zombie Repeller

Kill 1000 Flood.

Game Master

Created and saved 5 Custom Game types.

Game On

Complete 50 missions or multiplayer games.

Gate Your Thirst!

Halo 2A MP: Found and destroyed the BLAST soda can on Stonetown.

Get Me Out of Here!

Halo CE: Ride in a Pelican for several seconds on the level 343 Guilty Spark.

Giant Hula Hoop

Halo CE: Beat the par score on Halo.

Gimme That

Halo 4: Beat the par time on Reclaimer.

Give Him the Stick

Halo 4: Take out both Hunters using only the Sticky Detonator on Composer.

Go Ape Shiv

Halo 2: Kill an enraged, berserk Brute using melee.

Go, Chief! Gun It!

Halo 3: Beat the par time on Halo.

Goat Roped

Halo CE: Halo CE: Complete all Halo: CE Legendary campaign missions in under 3 hours.

Going Bananas

Kill 100 Brutes.

Going International

Halo 4: Complete a match on at least 8 different multiplayer maps.

Going Nowhere Fast

Halo 2: Beat par time on all Halo 2 levels.

GOOOAAAAALLLL!

Halo 2: Shoot the soccer ball in the level Metropolis.

Grand Theft Halo

Halo 2A MP: In one match, steal a total of 5 occupied vehicles from opponents.

Gravemind

Halo 2: Complete Gravemind.

Greenhorn

Halo CE: Complete every level of the game on Easy difficulty.

Gruntageddon

Kill 1000 Grunts.

Top Gungoose

Halo 2A MP: Get a kill with the Gungoose while airborne.

Torchbearer

Halo 3: Beat the par score on Halo.

Tour of Duty

Halo 2A MP: Complete a game in every one of the 6 updated Anniversary MP maps.

Tourist

Halo 2: Complete a match on at least 8 different classic multiplayer maps.

Toybox

Halo 2: Collect all eight Halo toys.

Training Wheels

Halo 3: Complete every level of the game on Easy difficulty.

T-Rex

Halo CE: Find the hidden Rex sign on The Maw.

Triple Threat

Halo 2A MP: In Ricochet, pass once, score once, and kill at least one enemy in the same match.

Trophy Collector

Halo 2: Find and claim all Skulls in Halo 2.

Truth and Reconciliation

Halo CE: Complete The Truth and Reconciliation.

Two Betrayals

Halo CE: Complete Two Betrayals.

Tying Up Loose Ends

Halo CE: Kill every Elite on the level Keyes on Heroic or Legendary difficulty.

Unto Dust

Halo 3: Activate Terminal 5 on The Covenant.

Up All Night

Complete 250 missions or multiplayer games.

Guerilla

Halo 3: Beat the par score on Sierra 117.

Uprising

Halo 2: Complete Uprising.

Vanguard

Halo 3: Beat the par score on The Covenant.

Veteran

Complete all campaigns on Normal difficulty.

Guided Tour

Halo 2: Beat the par score on Sacred Icon.

Gunslinger

Halo 4: Beat the par score on Dawn.

Vetro Strike

Halo CE: Beat the par score on Assault on the Control Room.

Wake Up, John

Halo 4: Complete every level of the game on Normal difficulty.

Halo

Halo CE: Complete Halo.

Haplorrhini

Halo 3: Find a lonely missing link.

He Never Gets Me Anything

Halo 2: Complete Delta Halo without entering a vehicle on Heroic or Legendary.

Head Banging

Halo 4: Beat the par score on Composer.

Headhunter

Halo CE: Find and claim all Skulls in Halo: CE.

Heading to his Destiny

Halo 3: Destined for greatness.

Headstrong

Halo CE: Beat the par score on Keyes.

Herald of the Reclamation

Complete all campaigns on Easy difficulty.

Heresy Will Not Stay My Feet

Halo 2: Beat the par score on The Arbiter.

Heretic Skull

Halo 3: Find the hidden Skull on the Heretic multiplayer map.

Hero

Halo 2: Complete every level of the game on Heroic difficulty.

He's Running a Marathon...

Halo 2: Spot the developer in the opening cutscene of Gravemind on Legendary in Classic Mode.

He's Unstoppable

Halo CE: Complete any level on Heroic difficulty or higher without taking health damage.

HI BEN

Halo 2: Oh, hi!

High Altitude Thirst!

Halo 2A MP: Found and destroyed the BLAST soda can on Zenith.

High Charity

Halo 2: Complete High Charity.

Highway Robbery

Halo 3: Beat the par time on Tsavo Highway.

Hippo Hero

Halo 3: Who DARED to discard this brave animal?

Hit The Beach

Halo CE: Beat the par time on The Silent Cartographer.

Hitchhikers May Be Escaping Convicts

Halo CE: Activate Terminal 5 on Assault on the Control Room.

Holdout

Halo 3: Complete Crow's Nest.

Hot Zone

Halo 2: Beat the par time on Quarantine Zone.

How Pedestrian

Halo CE: Complete Halo without entering a vehicle.

Hunters Hunted

Kill 50 Hunters.

I Dabble in Slaying

Complete one cross-game playlist.

I Got This

Complete 100 missions or multiplayer games.

Walk It Off

Halo CE: Complete The Pillar of Autumn on Legendary without picking up a health kit.

Walking Encyclopedia

Halo 2: Activate all Halo 2 Terminals.

War

Halo 4: Activate Terminal 1 on Requiem.

I Like Crazy

Halo 2: Collect the Rampant Cortana toy in High Charity.

I Need a Hero

Halo 4: Complete every level of the game on Heroic difficulty.

War Hero

Complete all campaigns on Heroic difficulty.

I Regret Nothing

Halo 2: Beat the par time on Regret.

I Was Wondering What Would Break First

Kill 100 Knights.

Idle Hands

Halo CE: Activate Terminal 4 on The Silent Cartographer.

In It To Win It

Win 200 multiplayer games.

Infinity

Halo 4: Complete Infinity.

Inquisitive

Halo 2: Activate Terminal 2 on Outskirts.

Inspector

Halo 2: Activate Terminal 4 on The Arbiter.

Interloper

Halo 4: Beat the par time on Requiem.

Inundation

Halo 3: Activate Terminal 2 on The Ark.

Invaders Repelled

Halo 2A MP: In King of the Hill, kill 5 opponents within your controlled hill.

It Was Inevitable

Halo CE: Beat the par score on Two Betrayals.

Warden

Halo 2 MP: In Classic or Anniversary matchmaking, stop the killing spree of another player.

Jungle Warfare

Halo 4: Beat the par score on Infinity.

Just A Taste

Collect 500 campaign or playlist medals.

Just Browsing

Halo 3: Complete a match on at least 4 different game types in multiplayer.

Justice

Halo 4: Activate Terminal 6 on Composer.

Keyes

Halo CE: Complete Keyes.

Kilotons of Fun

Halo CE: Activate Terminal 10 on The Maw.

King of the Crows

Halo 3: Beat the par score on Crow's Nest.

Knightbane

Kill 1000 Knights.

Knights

Halo 4: Activate Terminal 5 on Shutdown.

Knowledgable

Halo 2: Activate Terminal 10 on Gravemind.

Landfall

Halo 3: Complete Sierra 117.

LASO Master

Complete each individual game specific LASO playlist for every Halo game.

Warrior

Halo 2: Complete every level of the game on Normal difficulty.

The Great Journey

Halo 2: Complete The Great Journey.

The Hype Is Real

Halo 2: Beat the par score on Uprising.

The Key

Halo 3: Complete Cortana.

The Legend of 117

Halo 4: Complete every level of the game on Legendary difficulty.

The Library

Halo CE: Complete The Library.

The Long Haul

Complete 500 missions or multiplayer games.

The Maw

Halo CE: Complete The Maw.

The One Percent

Kill 100 Elites.

The Return of Megg

Halo 2: She's not picking up.

The Road

Halo 3: Complete Tsavo Highway.

The Silent Cartographer

Halo CE: Complete The Silent Cartographer.

Last Stand

Halo 3: Complete The Covenant.

Leave It Where It Lay

Halo CE: Complete Two Betrayals on Legendary difficulty without picking up a new weapon.

Leave None Alive

Halo 2: Beat the par score on The Oracle.

The True King

Earn a total of 250 KOTH Mode Specific medals in matchmade games.

The Will of the Prophets

Halo 2: Collect the Arbiter toy in Sacred Icon.

Thermopylae

Win 300 multiplayer games.

Third Time's A Charm

Halo 3: Play a game of Halo 3 on the 25th of any month.

Thirst Locked Down!

Halo 2A MP: Found and destroyed the BLAST soda can on Lockdown.

Thirsty Grunt

Halo CE: Listen to the Thirsty Grunt talk about his eating habits.

This is my Rifle, This is my Gun

Halo 4: Carry a UNSC weapon all the way through Forerunner on Heroic or Legendary.

This Side Up

Halo CE: Complete the Warthog ride of The Maw without being forcibly ejected from your vehicle.

Throne of Bones

Find and claim all the campaign skulls in Halo:CE, Halo 2, and Halo 3.

Legend

Complete all campaigns on Legendary difficulty.

Tighten Up The Graphics

Halo 2: Complete every level of Halo 2 having seen it in both classic and remastered mode.

Legend Slayer

Halo 2A MP: Kill an opponent that has the Legendary Anniversary achievement.

Time Shift

Halo 3: Beat the par time on Crow's Nest.

Legendary Anniversary

Halo 2: Complete every level of the game on Legendary difficulty.

Tipping Point

Halo 3: Activate Terminal 4 on The Covenant.

TLDR

Halo CE: Beat the par time on The Library.

Speeding Ticket

Halo 2: Beat the par time on Metropolis.

Speedy One One Seven

Halo 3: Beat the par time on Sierra 117.

Splinters

Halo CE: Activate Terminal 3 on The Truth and Reconciliation.

Librarian's Gift

Halo 4: Complete every level of the game on Easy difficulty.

Spoilsport

Kill 100 Jackals.

Spree Master

Earn a total of 100 Killing Spree medals in matchmade games.

Standard Operating Brocedure

Complete any co-op level on Normal difficulty.

Starved For Shields

Halo 2: Complete a level with only the Streaking Skull active on Heroic or Legendary.

Stayin' Alive

Halo 2A MP: In Juggernaut, survive as the Juggernaut for 30 seconds.

Steady Aim

Win 400 multiplayer games.

Stick With It...A Little Longer

Play a multiplayer or co-op game at least 3 months after your first game.

Striking Fear in Their Hearts

Win 350 multiplayer games.

Sword and Shield

Halo 3: Activate Terminal 7 on Halo.

Symphony of Pain

Halo 4: Beat the par time on Composer.

Taste Test

Halo 4: Complete a match on at least 4 different game types in multiplayer.

Librarian's Pet

Halo 4: Beat the par score on Reclaimer.

Tempered Blade

Win 10 multiplayer games.

Terminal Velocity

Halo 2: Beat the par time on Sacred Icon.

Life Story

Complete the Master Chief Saga playlist.

Terminus

Halo 4: Activate all Halo 4 Terminals.

Lightning in a Bottle

Halo CE: Beat the par time on 343 Guilty Spark.

Lightning Strike

Halo 3: Beat the par time on The Storm.

Thanks A Killion

Kill 20,000 enemies or players.

Like a Fine Wine

Halo CE: Complete the Halo: CE LASO Campaign playlist.

That Just Happened

Halo CE: Complete The Library on Heroic or Legendary difficulty without dying.

Like Peanut Butter and Chocolate

Halo 2: Complete a level in co-op on Heroic or Legendary with the Masterblaster Skull active.

Living Legend

Halo CE: Complete every level of the game on Legendary difficulty.

The Arbiter

Halo 2: Complete The Arbiter.

Lone Wolf Legend

Halo 4: Complete every level of the game on Legendary difficulty, by yourself.

THE Chips Dubbo?

Halo 2: Fight alongside the legendary Chips Dubbo and listen to his words.

The Coin's Fault

Halo 3: Activate Cortana's Terminal on Cortana.

Long Time Fan

Complete 450 missions or multiplayer games.

The Doctor Is In

Halo 2: Beat the par score on Quarantine Zone.

The Good, The Bad, and The Dead

Collect 9,000 campaign or playlist medals.

Longshore Skull

Halo 3: Find the hidden Skull on the Longshore multilayer map.

Look Out for the Little Guys

Halo CE: Complete Two Betrayals on Legendary difficulty without killing any Grunts.

Lord of Admirals

Halo 4: Activate Terminal 2 on Forerunner.

Lore Master

Activate all terminals.

The Goose is Loose

Halo 2A MP: Get 25 kills with the Gungoose in multiplayer.

Madrigal Debut

Halo CE: Trigger a hidden music cue in Halo: CE.

Skulltaker Halo 2: Famine

Halo 2: Find and claim the Famine Skull on Legendary.

Skulltaker Halo 2: Ghost

Halo 2: Find and claim the Ghost Skull on Legendary.

Skulltaker Halo 2: Grunt Birthday Party

Halo 2: Find and claim the Grunt Birthday Party Skull on Legendary.

Making History

Halo 3: Beat the par time on Cortana.

Skulltaker Halo 2: Iron

Halo 2: Find and claim the Iron Skull on Legendary.

Man on the Moon

Halo 3: He's watching you.

Master Forger

Created and saved 5 Custom Maps in Forge.

Skulltaker Halo 2: IWHBYD

Halo 2: Find and claim the IWHBYD Skull on Legendary.

Medal Completionist

Collect 10,000 campaign or playlist medals.

Skulltaker Halo 2: Mythic

Halo 2: Find and claim the Mythic Skull on Legendary.

Skulltaker Halo 2: Sputnik

Halo 2: Find and claim the Sputnik Skull on Legendary.

Skulltaker Halo 2: That's Just...Wrong

Halo 2: Find and claim the That's Just...Wrong Skull on Legendary.

Skulltaker Halo 2: Thunderstorm

Halo 2: Find and claim the Thunderstorm Skull on Legendary.

Skulltaker Halo 3: Black Eye

Halo 3: Find and claim the Black Eye Skull on Normal or harder.

Medal Master Chief

Collect 8,000 campaign or playlist medals.

Skulltaker Halo 3: Blind

Halo 3: Find and claim the Blind Skull on Normal or harder.

Skulltaker Halo 3: Catch

Halo 3: Find and claim the Catch Skull on Normal or harder.

Skulltaker Halo 3: Cowbell

Halo 3: Find and claim the Cowbell Skull on Normal or harder.

Skulltaker Halo 3: Famine

Halo 3: Find and claim the Famine Skull on Normal or harder.

Skulltaker Halo 3: Fog

Halo 3: Find and claim the Fog Skull on Normal or harder.

Skulltaker Halo 3: Grunt Birthday Party

Halo 3: Find and claim the Grunt Birthday Party Skull on Normal or harder.

Skulltaker Halo 3: Iron

Halo 3: Find and claim the Iron Skull on Normal or harder.

Skulltaker Halo 3: IWHBYD

Halo 3: Find and claim the IWHBYD Skull on Normal or harder.

Skulltaker Halo 3: Mythic

Halo 3: Find and claim the Mythic Skull on Normal or harder.

Skulltaker Halo 3: Thunderstorm

Halo 3: Find and claim the Thunderstorm Skull on Normal or harder.

Skulltaker Halo 3: Tilt

Halo 3: Find and claim the Tilt Skull on Normal or harder.

Skulltaker Halo 3: Tough Luck

Halo 3: Find and claim the Tough Luck Skull on Normal or harder.

Skulltaker Halo: CE: Bandana

Halo CE: Find and claim the Bandanna skull in remastered mode.

Skulltaker Halo: CE: Black Eye

Halo CE: Find and claim the Black Eye skull in remastered mode.

Skulltaker Halo: CE: Boom

Halo CE: Find and claim the Boom skull in remastered mode.

Skulltaker Halo: CE: Eye Patch

Halo CE: Find and claim the Eye Patch skull in remastered mode.

Skulltaker Halo: CE: Famine

Halo CE: Find and claim the Famine skull in remastered mode.

Skulltaker Halo: CE: Fog

Halo CE: Find and claim the Fog skull in remastered mode.

Skulltaker Halo: CE: Foreign

Halo CE: Find and claim the Foreign skull in remastered mode.

Skulltaker Halo: CE: Grunt Birthday Party

Halo CE: Find and claim the Grunt Birthday Party skull in remastered mode.

Skulltaker Halo: CE: Malfunction

Halo CE: Find and claim the Malfunction skull in remastered mode.

Skulltaker Halo: CE: Pinata

Halo CE: Find and claim the Pinata skull in remastered mode.

Skulltaker Halo: CE: Recession

Halo CE: Find and claim the Recession skull in remastered mode.

So You Don't Want the Tank?

Halo 2: Beat the par time on Delta Halo.

Sid Graffiti

Halo 2: Spot the Sid graffiti on the walls of Coagulation in classic multiplayer.

Siege of Ivory Tower

Halo 2: Listen to a hidden music cue in Halo 2.

Sightseeing

Halo CE: Complete a match on at least 8 different classic multiplayer maps.

Silent but Deadly

Halo 2: Kill 7 opponents from behind in a row without being spotted.

Six Pedals, Four Directions

Halo 2: Drive a Scorpion while playing as the Arbiter.

Skeet Shooter

Halo 2A MP: Killed 15 opponents that were airborne from a Man Cannon.

Skulltaker Halo 2: Anger

Halo 2: Find and claim the Anger Skull on Legendary.

Skulltaker Halo 2: Assassins

Halo 2: Find and claim the Assassins Skull on Legendary.

Skulltaker Halo 2: Black Eye

Halo 2: Find and claim the Black Eye Skull on Legendary.

Skulltaker Halo 2: Blind

Halo 2: Find and claim the Blind Skull.

Skulltaker Halo 2: Catch

Halo 2: Find and claim the Catch Skull on Legendary.

Skulltaker Halo 2: Envy

Halo 2: Find and claim the Envy Skull on Legendary.

Phantom Hunter

Halo 3: Destroy 3 total Phantoms on The Covenant.

Pillar of Awesome

Halo CE: Beat the par score on The Pillar of Autumn.

Planting A Flag

Earn a total of 250 CTF Mode Specific medals in matchmade games.

Power Play

Halo 2A MP: On Warlord, get 5 active camouflage power ups in a single game.

Primate

Halo 3: Find your first missing links.

Prophet's Bane

Halo 3: Complete every level of the game on Normal difficulty.

Put Up Your Dukes

Halo 2A MP: Get 25 melee kills in multiplayer.

Pyrrhic Solution

Halo 2: Collect the Didact toy in The Great Journey.

Quarantine Zone

Halo 2: Complete Quarantine Zone.

Quick Trigger Finger

Win 450 multiplayer games.

Quis custodiet ipsos custodes?

Halo CE: Activate Terminal 7 on The Library.

Raging in the Dark

Halo 4: Beat the par time on Forerunner.

Ranger

Halo 3: Beat the par score on The Ark.

Reading Room

Halo CE: Beat the par score on The Library.

Reclaimer

Halo 4: Complete Reclaimer.

Red vs. Blue

Halo 2A MP: Win 10 matches on Bloodline in multiplayer.

Reed the Strategy

Halo 2: Beat the par time on The Oracle.

Refuge

Halo 3: Complete The Ark.

Regret

Halo 2: Complete Regret.

Regrettable Turn of Events

Halo 2: Collect the Prophet of Regret toy in Regret.

Remove the Bishops From the Board

Kill 1000 Watchers.

Requiem

Halo 4: Complete Requiem.

Return

Halo 3: Complete Halo.

Megg

Halo CE: It's a sign.

Memories

Halo CE: Activate Terminal 8 on Two Betrayals.

Metropolis

Halo 2: Complete Metropolis.

Midnight

Halo 4: Complete Midnight.

Milk Carton

Halo 3: Find the poster of the missing man.

Mind Games

Halo CE: Activate Terminal 9 on Keyes.

Mind the Gap

Halo 3: 4 vehicles, 1 gap on Legendary using Cowbell, Catch, Thunderstorm, Mythic, and Tough Luck.

My Work is Done

Halo 2: Collect the Librarian toy in Uprising.

Mystery Achievement

Inscrutable. Mysterious.

Missing Link

Halo 3: Watching. Waiting. Plotting.

Monopolized

Halo 2: Complete all Halo 2 Legendary campaign missions in under 3 hours.

Mortardom

Halo 4: On Reclaimer, use a Wraith to kill at least four enemy Wraiths on Heroic or Legendary.

Multiplayer Champion

Win 500 multiplayer games.

MVP

Halo 2A MP: Finished as the top player on the winning team in a matchmade game.

Naked Tyrant

Halo 4: Complete the Halo 4 LASO Campaign playlist.

My Buddy Chips

Halo CE: Fight alongside Chips Dubbo and listen to his words of wisdom.

Needs More Whammy Bar

Halo 2: Complete the level Regret with the Prophet Birthday Skull activated.

Reviewer

Halo 2: Activate Terminal 12 on High Charity.

Nice Work Dawg!

Earn a total of 2,500 Assist medals in multiplayer.

Ninja Redux

Halo 2A MP: Kill 5 people with melee from behind in Anniversary matchmaking.

No Man's Land

Halo 2: Beat the par time on Uprising.

No Pain, No Gain

Complete 1 mission with the LASO playlist skulls enabled.

Rex Sword

Halo 2: Grab the energy sword on the level Outskirts.

Ripple Fire

Halo 2: Beat the par score on Metropolis.

Rising Waters

Halo 3: Activate Terminal 1 on The Ark.

Roadkill Rampage

Halo 2A MP: In Anniversary matchmaking, earn a total of 100 Splatter medals.

Rock and Coil Hit Back

Halo 2A MP: In Anniversary matchmaking, earn a total of 100 Environmentalist medals.

Rooftop Runner

Halo 2: Beat the par time on Outskirts.

Rule Your Thirst!

Halo 2A MP: Found and destroyed the BLAST soda can on Warlord.

No Smoking

Halo CE: Disapprovingly look at Captain Keyes' abandoned pipe.

No Stone Unturned

Halo 3: Activate all Halo 3 Terminals.

No-Fly Zone

Halo CE: Destroy three of the four Banshees on Halo during a single play-through.

Objective Secured

Halo 2: Beat the par score on Outskirts.

Sacred Icon

Halo 2: Complete Sacred Icon.

Sacrifice

Halo CE: Activate Terminal 2 on Halo.

Obsessed

Halo 2: Activate Terminal 13 on The Great Journey.

Sample Plate

Complete three cross-game playlists.

Official Business

Halo 2: Beat the par score on Gravemind.

Oh, These Baubles?

Collect 6,000 campaign or playlist medals.

Sandbox Skull

Halo 3: Find the hidden Skull on the Sandbox multiplayer map.

Scarab Lord

Halo 2: Acquire the Scarab Gun.

Oracle

Halo 2: Complete The Oracle.

Scavenger Hunt

Kill 1000 Jackals.

Orbital Skull

Halo 3: Find the hidden Skull on the Orbital multiplayer map.

Scholar

Halo 2: Activate Terminal 11 on Uprising.

Scorched Earth

Halo 2: Beat the par score on High Charity.

Orpheus

Halo 3: Beat the par score on Cortana.

Scurty Bump

Halo CE: Beat the par time on Keyes.

Ouroboros

Halo 4: Beat the par time on Infinity.

Seconds

Halo 2: Complete a Halo 2 playlist.

Outskirts

Halo 2: Complete Outskirts.

Overachiever

Halo CE: Beat the par score on all Halo: CE levels.

Shadow of Sundered Star

Halo 4: Beat the par score on Forerunner.

Overshields are for Sissies

Halo CE: Complete the level The Pillar of Autumn on Legendary without picking up an overshield.

Pacifist

Halo CE: Finish The Silent Cartographer without shooting, grenades, melee, dying or restarting.

Party Pooper

Earn a total of 250 Killjoy medals in matchmade games.

Pest Control

Kill 100 Crawlers.

Sharpshooter

Win 150 multiplayer games.

Shields Up!

Halo 2A MP: On Zenith, personally activate the center energy shield 3 times in one matchmade game.

Shook the Hornet's Nest

Halo 2A MP: Get 30 kills with the Hornet in multiplayer.

Shut. Down. Everything.

Halo 4: Beat the par time on Shutdown.

Shutdown

Halo 4: Complete Shutdown.

Scarab Slide

Halo 3: Beat the par time on The Covenant.

Sounds Familiar

Halo 3: This stuff is your history!

Speed Demon

Halo 3: Beat the par time on all Halo 3 levels.