Endymion

Shooting Stars

Shoot down 40 UFOs.

Ain't No Cavalry Comin'

Have a soldier survive every mission in a full game.

Tingling Sensation

Kill an unseen enemy detected by a specially modified soldier in single player

By Our Powers Combined

Field a squad with 4 augmented soldiers, each with a different base ability and win the mission

Nice Cover

Use Collateral Damage to blow up a car in single player

All Hands on Deck

Get at least 4 kills with XCOM Base Security personnel

Humanity's Savior

Beat the game on any difficulty.

Rising Dragon

Guardian of Earth

Designate a highly decorated soldier as the Volunteer

The Volunteer

On the Shoulders of Giants

Rise of the Machines

Field a squad consisting entirely of augmented soldiers and SHIVs (min. 4) and win the mission

Apotheosis Denied

Deal with the newest global threat

Skunkworks

In a single game, complete every Foundry project.

Xavier

Mind Control an Ethereal. Single player only.

Mutatis Mutandis

Field a squad where all members have at least two modifications (min. 4) and win the mission

Edison

In a single game, complete every Research Project.

Someone Your Own Size

Kill a Muton Berserker in melee combat in single player

Hunter/Killer

In a single game, shoot down one of each alien craft.

Oppenheimer

Staff the Research Labs with 80 scientists.

All Employees Must Wash Hands...

In a single game, complete every Autopsy.

And Hell's Coming With Me

See All, Know All

Angel of Death

Kill an alien while flying. Single player only.

Mental Minefield

Kill an enemy as it is psionically attacking you in single player

One Gun at a Time

Staff the Engineering Department with 80 engineers.

Steel Martyr

Deploy three tactical subsystems on a single soldier in single player

Where in the World

Make certain of the new threat's location

Pain in the Neck

Cause an enemy to suicide

The Meld Squad

Field a fully enhanced squad and win the mission

Enemy Within

Get a Soldier to have 5 modifications in single player

Ride the Lightning

Ours are the Furies

Complete Furies

Beyond the Veil

Regenerate This

Kill an elite enemy Medic with explosive damage in single player

Man No More

Build a suit of powered armor.

Solid Prospect

Complete Deluge

Bada Boom

Kill 50 aliens with explosive weapons.

They Shall Not Pass

Eliminate all alien waves

Pale Horse

Kill 500 aliens.

Remington... Max Remington

Have your special-duty soldier kill three enemies in the same mission

G'day

Kill an elite enemy Sniper with one of your own snipers in single player

Off My Planet

As A Scalpel

Earn the "Excellent" rating in every performance category on a terror mission.

Anger Management

Proc Combat Rush on the entire squad (min. 4)

X Marks the Spot

Drums in the Deep

Gain access to the lowest level in your base.

Shieldbuster

Eliminate an enemy's shield and kill it on the same turn in single player

The Hardest Road

Advance one of your soldiers to Colonel rank.

Zom-B-Gone

Eradicate the infestation

Mind the Step

Jump two stories in one move in single player

Worth Every Penny

Acquire 1000 credits in one month.

You Have 5 Seconds to Comply

Build a S.H.I.V.

Elite Defense

Beat a new special mission without losing any assets

The Bigger They Are

Bait the Hook

Who Needs Limbs?

Augment a soldier in single player

The Gatekeeper

A Little Bit Alien

Modify a soldier in single player

Theory...

Build a Laboratory.

Welcoming Committee

Kill 150 aliens.

All Together Now

Get satellite coverage over every country on one continent.

New Friend

Happy to Oblige

Fulfill a Council request.

Prisoner of War

Taking A Load Off

Stop a squad member from suffocating in single player

Flight of the Valkyries

Win a mission with an all-female squad. Single player only.

...and Practice.

Build a Workshop.

Tables Turned

Shoot down a UFO.

Eye in the Sky

Launch a Satellite.

Up and Running

Build a base facility.

Combat Ready

Build an item.

What Wonders Await

Complete a Research Project.

We Happy Few

Complete a mission without losing a soldier.

And So It Begins...

Complete the tutorial mission.

No Looking Back

Beat the game in Ironman mode on Classic or Impossible Difficulty.

Meet New People. Then Kill Them.

Win a multiplayer match.

Earth First

Beat the game on Classic difficulty.

Our Finest Hour

Beat the game on Impossible difficulty.

Lone Wolf

Clear a UFO crash site with one soldier on Classic or Impossible difficulty.

Bubonic

Play a multiplayer match against someone with this achievement.

Wet Work

Complete a Very Hard abduction mission in five turns or less on Classic or Impossible difficulty.

A Continental Fellow

Win the game from each of the 5 starting locations.

All Aboard

An Army Of Four

Beat the game without buying a Squad Size upgrade (Classic+ difficulty)