In co-op, completed all seven Banished outposts on any difficulty.
In co-op, eliminated all Banished High-Value Targets on any difficulty.
In co-op, answered all UNSC distress calls on any difficulty.
In co-op, captured all Forward Operating Bases on any difficulty.
In co-op, lowered all three gates within 15 seconds of each other at Riven Gate.
In co-op, destroyed all cooling towers at the Dig Site within 60 seconds of each other.
In co-op, killed 100 enemies while all players are riding air vehicles.
In co-op, splattered 50 enemies while riding in a vehicle with another player.
In co-op, killed a Hunter and its bond brother within three seconds of each other.
In co-op, destroyed four Fuel Silos within five seconds at either Ransom Keep or the Forge of Teash.
In co-op, killed 50 enemies while riding a Mongoose with another player.
Killed 5 enemies with a Sniper Rifle from a vehicle. All players aboard vehicle share progress.
Killed 5 enemies with a Gravity Hammer from a vehicle. All players aboard vehicle share progress.
In the Nexus, killed the Hunter pair with melee final blows.
Breached the Auditorium in under three minutes.
Defeated War Chief Escharum without ever fully losing your shields.
Killed one Chieftain and used his turret to kill another in the Repository.
Killed 40 enemies with the Stalker Rifle at the Command Spire.
Eliminated all enemies at the South Beacon with a Scorpion Tank.
Completed the Conservatory in less than 15 minutes.
Killed an enemy with the Banished mining laser.
Killed the Tower commander with a Plasma grenade.
Destroyed both Phantoms before they left Outpost Tremonius.
Defeated Tremonius with the Skewer.
Got at least one kill with every available weapon and grenade on the Banished ship.
Revived 3 allies in an Attrition/Elimination round in a matchmade or custom game.
Completed a Battle Pass.
Completed all main campaign missions on Legendary difficulty.
Completed all main missions on Legendary with all Skulls active.
Completed all 14 main missions in under eight hours.
Deployed the Drop Wall 50 times.
Defeated the Harbinger. Confronted the truth.
Completed the main campaign on Normal difficulty.
Completed all main campaign missions on Heroic difficulty.
Completed the main campaign.
Discovered all hidden Skulls.
Completed all Valor-awarding activities.
At the end he was just a soldier. Hoping he'd done the right thing.
Unlocked all Banished Audio Logs.
Used the Threat Sensor 50 times.
Used the Thruster 50 times.
Unlocked all UNSC Audio Logs.
Stormed the House of Reckoning.
Got the Scorpion all the way to the "House" without it blowing up.
A friend was in danger and time is running out. It's time to face your past and save your future.
Infiltrated the Command Spire and put an end to the Reformation.
Entered the Nexus and learned the secrets of the Spires. Trust is a fragile thing, isn't it?
Unlocked all Spartan Audio Logs.
Accessed all 34 Mjolnir Armor Lockers.
Destroyed 40 Banished Propaganda Towers.
Reached the Beacons, assembled the Sequence, and gained access to the Command Spire.
Acquired all Spartan Cores.
Completed all seven Banished outposts.
Stuck 50 enemies with grenades.
Eliminated all 15 Banished High-Value Targets.
Scanned all seven Forerunner Artifacts.
Answered all UNSC distress calls.
Captured all available Forward Operating Bases.
Fully upgraded the Thruster ability.
Fully upgraded the Drop Wall ability.
Fully upgraded the Threat Sensor ability.
Took down the Spartan Killers Hyperius and Tovarus.
Took down all three Banished AA guns in under 20 minutes.
Destroyed a Banished anti-aircraft gun.
Shut down the first Spire and stopped Zeta's Reformation.
Defeated the Hunter pair stationed at the base of the Spire.
Unlocked the Thruster ability.
Unlocked the Drop Wall ability.
Shut down the Banished mining laser and gained access to the Conservatory.
Earned "Mount Up" in a Razorback in a matchmade game.
Killed a Grunt that's been thrown by a Brute.
Fully upgraded the Grappleshot.
Checked out the best possible view.
Splattered an enemy with a Ghost.
Used the Grappleshot to board an enemy Ghost.
Fully upgraded your Energy Shields.
Brought some rescued UNSC Marines along for the ride into a main mission.
Completed a Banished outpost.
Scanned a Forerunner Artifact.
Took out a Banished Propaganda Tower.
Followed the UNSC signal to a Banished stronghold called the Tower. Found the source. Got out alive.
Unlocked the Threat Sensor ability.
Eliminated a Banished High-Value Target.
Answered a UNSC distress call.
Captured your first Forward Operating Base.
Accessed your first Mjolnir Armor Locker.
Threw 50 fusion coils.
Successfully used the Grappleshot 50 times.
Fought your way through Outpost Tremonius and stepped out onto the surface of Zeta Halo.
Located and secured a Spartan Core.
Defeated the Banished warlord Tremonius
Accessed your first UNSC Audio Log.
Explored the underbelly of Zeta Halo and retrieved a weapon to turn the tide of this conflict.
Lost, and found.
Accessed your first Banished Audio Log.
Discovered your first hidden Skull.
Accessed your first Spartan Audio Log.
"Grapplejacked" an enemy flying vehicle in a matchmade game.
Placed an item in the Razorback's storage in a matchmade game.
Secured 5 zones in a Strongholds game in a matchmade game.
"Back Smacked" an enemy who was zoomed in with a scoped weapon in a matchmade game.
Completed a Limited Time Challenge.
Earned "Chain Reaction" with a Shock Rifle in a matchmade game.
Deposited 5 Power Seeds in a Stockpile game in a matchmade game.
Drove 4 unique vehicles in a game
Marked an enemy located at "Top Mid" in a matchmade game.
Marked 3+ enemies at once in a matchmade game.
Picked up a weapon using the Grappleshot in a matchmade game.
Spectated an ally that is driving a Warthog or Razorback in a matchmade game.
Killed an enemy with the Ravager's charged shot in a matchmade game.
Assisted in capturing all zones that lead to a score in a Total Control game.
Earned "Splatter" with a Brute Chopper in a matchmade game.
Earned "Perfect" with a VK78 Commando in a matchmade game.
Repelled an enemy grenade with the Repulsor in a matchmade game.
Dropped a Power Weapon for an ally in a matchmade game.
Captured the flag twice in a Capture the Flag game in a matchmade game.
Gained access to a loot cave in a matchmade game.
Destroyed an enemy vehicle with the Skewer in a matchmade game.
Played a custom game.
Earned 3 stars in 5 Tier 3 Weapon Drills
Completed a Weapon Drill.
Earned 3 stars in a Weapon Drill.
Changed any training mode option.
Launched into Training Mode for the first time.
Grabbed a power weapon from the Tutorial armory.
Completed the Movement Yard in under 25 seconds.
Completed the Tutorial.
Accessed your Personal AI.
Killed three enemies with the ball in an Oddball game in a matchmade game.
Finished Ranked Placement Matches.
Completed one level in a Battle Pass.
Earned 2,000 score in a matchmade game.
Viewed a clip in theater.
Killed an enemy with melee using a bladed weapon in a matchmade game.
Played a Ranked Match.
Test drove a new vehicle customization.
Tried out a new weapon customization item.
Completed a Daily Challenge.
Completed a Weekly Challenge.
Earned a Mythic Medal in a matchmade game.
Wore a new armor customization item.
Changed your Spartan Tag.
Got and equip a new AI.
Changed your Spartan's look in the Customize menu.