Full list of all 56 XCOM: Enemy Unknown trophies - 40 bronze, 12 silver, 3 gold and 1 platinum.
The base game contains 51 trophies, and there is 1 DLC pack containing 5 trophies.
Gain all trophies.
Win the game from each of the 5 starting locations.
Beat the game in Ironman mode on Classic or Impossible difficulty.
Beat the game on Impossible difficulty.
Win a multiplayer match.
Clear a UFO crash site with one soldier on Classic or Impossible difficulty.
Win a mission with an all-female squad. Single player only.
Have a soldier survive every mission in a full game.
Beat the game on Classic difficulty.
Mind Control an Ethereal. Single player only.
Complete a Very Difficult abduction mission in five turns or less on Classic or Impossible difficulty.
Shoot down 40 UFOs.
Kill 50 aliens with explosive weapons.
Beat the game on any difficulty.
In a single game, complete every Research Project.
Build a Laboratory.
Build a S.H.I.V
In a single game, complete every Foundry project.
Cure poison on five soldiers in a single mission. Single player only.
Make contact with the Ethereal hive mind.
Kill 500 aliens.
Staff the Research Labs with 80 scientists.
Build the Gollop Chamber.
In a single game, shoot down one of each alien craft.
Find a soldier with the Gift.
In a single game, complete every Autopsy.
Successfully assault an Overseer UFO.
Build the Hyperwave Relay.
Staff the Engineering Department with 80 engineers.
Kill an alien while flying. Single player only.
Earn the "Excellent" rating in every performance category on a terror mission.
Acquire 1000 credits in one month.
Recover the Hyperwave Beacon.
Uncover the alien base's location.
Build a suit of powered armor.
Get satellite coverage over every country on one continent.
Build a Firestorm.
Stun an Outsider.
Kill 150 aliens.
Advance one of your soldiers to Colonel rank.
Build a Workshop.
Gain access to the lowest level in your base.
Fulfill a Council request.
Capture a live alien.
Build a base facility.
Shoot down a UFO.
Launch a Satellite.
Build an item.
Complete a Research Project.
Complete a mission without losing a soldier.
Complete the tutorial mission.
Take your new ally into the final challenge.
Complete Gangplank.
Complete Confounding Light with more than 3 turns left on the timer.
Complete Confounding Light.
Complete Friends in Low Places.