EdwardFace

Use Collateral Damage to blow up a car in single player

Kill 50 aliens with explosive weapons.

Beat the game on any difficulty.

Get a Soldier to have 5 modifications in single player

Kill an alien while flying. Single player only.

In a single game, complete every Foundry project.

Staff the Research Labs with 80 scientists.

Complete Furies

Staff the Engineering Department with 80 engineers.

In a single game, complete every Autopsy.

Build a Laboratory.

Kill 500 aliens.

Deal with the newest global threat

Build a suit of powered armor.

Complete Deluge

Make certain of the new threat's location

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

Kill an elite enemy Medic with explosive damage in single player

Cause an enemy to suicide

Deploy three tactical subsystems on a single soldier in single player

Gain access to the lowest level in your base.

Eliminate all alien waves

Get at least 4 kills with XCOM Base Security personnel

Kill a Muton Berserker in melee combat in single player

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

Modify a soldier in single player

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

Build a S.H.I.V.

Acquire 1000 credits in one month.

Beat a new special mission without losing any assets

Advance one of your soldiers to Colonel rank.

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

Kill 150 aliens.

Eradicate the infestation

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

Get satellite coverage over every country on one continent.

Build a Workshop.

Fulfill a Council request.

Augment a soldier in single player

Stop a squad member from suffocating in single player

Launch a Satellite.

Complete a mission without losing a soldier.

Complete a Research Project.

Build a base facility.

Build an item.

Shoot down a UFO.

Complete the tutorial mission.

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

Win a multiplayer match.

Mind Control an Ethereal. Single player only.

Beat the game on Classic difficulty.

Beat the game on Impossible difficulty.

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

Shoot down 40 UFOs.

Have a soldier survive every mission in a full game.

In a single game, complete every Research Project.

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

Play a multiplayer match against someone with this achievement.

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

Win the game from each of the 5 starting locations.

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

Field a fully enhanced squad and win the mission

Jump two stories in one move in single player

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

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

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

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

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

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

Designate a highly decorated soldier as the Volunteer