There are 55 achievements worth a total of 1100 points
Beat the game in Ironman mode on Classic or Impossible difficulty.
Beat the game on any difficulty.
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.
Kill 50 aliens with explosive weapons.
Kill 150 aliens.
Kill 500 aliens.
Shoot down 40 UFOs.
Have a soldier survive every mission in a full game.
Earn the "Excellent" rating in every performance category on a terror mission.
In a single game, complete every Research Project.
In a single game, complete every Autopsy.
Launch a Satellite.
Get satellite coverage over every country on one continent.
In a single game, shoot down one of each alien craft.
Build a suit of powered armor.
Complete a mission without losing a soldier.
Advance one of your soldiers to Colonel rank.
Acquire 1000 credits in one month.
Staff the Research Labs with 80 scientists.
Staff the Engineering Department with 80 engineers
In a single game, complete every Foundry project.
Build a S.H.I.V.
Build a Laboratory.
Build a Workshop.
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.
Complete a Research Project.
Build a base facility.
Build an item.
Gain access to the lowest level in your base.
Fulfill a Council request.
Shoot down a UFO.
Complete the tutorial mission.
Complete Friends in Low Places. (DLC: Slingshot | Cost: 560 MSP)
Complete Confounding Light. (DLC: Slingshot | Cost: 560 MSP)
Complete Gangplank. (DLC: Slingshot | Cost: 560 MSP)
Take your new ally into the final challenge. (DLC: Slingshot | Cost: 560 MSP)
Complete Confounding Light with more than 3 turns left on the timer. . (DLC: Slingshot | Cost: 560 MSP)
Win a multiplayer match.
Mind Control an Ethereal. Single player only.
Kill an alien while flying. Single player only.
Find a soldier with the Gift.
Capture a live alien.
Stun an Outsider.
Uncover the alien base's location.
Build the Hyperwave Relay.
Build the Gollop Chamber.
Build a Firestorm.
Cure poison on five soldiers in a single mission. Single player only.
Successfully assault an Overseer UFO.
Recover the Hyperwave Beacon.
Make contact with the Ethereal hive mind.
Win a mission with an all-female squad. Single player only.
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