We Happy Few
Complete a mission without losing a soldier.
Build an item.
What Wonders Await
Complete a Research Project.
Eye in the Sky
Launch a Satellite.
Shoot down a UFO.
And So It Begins…
Complete the tutorial mission.
Up and Running
Build a base facility.
Happy to Oblige
Fulfill a Council request.
Kill 150 aliens.
Build a Workshop.
The Hardest Road
Advance one of your soldiers to Colonel rank.
Build a Laboratory.
Man No More
Build a suit of powered armor.
All Together Now
Get satellite coverage over every country on one continent.
Worth Every Penny
Acquire 1000 credits in one month.
As A Scalpel
Earn the "Excellent" rating in every performance category on a terror mission.
Drums in the Deep
Gain access to the lowest level in your base.
And Hell's Coming With Me
All Employees Must Wash Hands…
In a single game, complete every Autopsy.
You Have 5 Seconds to Comply
Build a S.H.I.V.
On the Shoulders of Giants
Kill 500 aliens.
One Gun at a Time
Staff the Engineering Department with 80 engineers.
Kill 50 aliens with explosive weapons.
Beat the game on any difficulty.
Staff the Research Labs with 80 scientists.
Angel of Death
Kill an alien while flying. Single player only.
In a single game, shoot down one of each alien craft.
Flight of the Valkyries
Win a mission with an all-female squad. Single player only.
In a single game, complete every Foundry project.
Meet New People. Then Kill Them.
Win a multiplayer match.
Play a multiplayer match against someone with this achievement.
In a single game, complete every Research Project.
Beat the game on Classic difficulty.
Shoot down 40 UFOs.
Complete a Very Hard abduction mission in five turns or less on Classic or Impossible difficulty.
Mind Control an Ethereal. Single player only.
No Looking Back
Beat the game in Ironman mode on Classic or Impossible Difficulty.
Ain't No Cavalry Comin'
Have a soldier survive every mission in a full game.
Clear a UFO crash site with one soldier on Classic or Impossible difficulty.
Our Finest Hour
Beat the game on Impossible difficulty.
A Continental Fellow
Win the game from each of the 5 starting locations.