XCOM: Enemy Within achievements

4.44%
You Win
You Win, Everything
8.51%
An Army Of Four
Beat the game without buying a Squad Size upgrade on Classic or Impossible difficulty
12.77%
Guardian of Earth
Designate a highly decorated soldier as the Volunteer
12.77%
By Our Powers Combined
Field a squad with 4 augmented soldiers, each with a different base ability and win the mission
13.48%
Rise of the Machines
Field a squad consisting entirely of augmented soldiers and SHIVs (min. 4) and win the mission
15.56%
Remington... Max Remington
Have your special-duty soldier kill three enemies in the same mission
15.60%
Mental Minefield
Kill an enemy as it is psionically attacking you in single player
15.60%
Tingling Sensation
Kill an unseen enemy detected by a specially modified soldier in single player
16.31%
Mutatis Mutandis
Field a squad where all members have at least two modifications (min. 4) and win the mission
16.31%
Remington… Max Remington
Have your special-duty soldier kill three enemies in the same mission
23.70%
G'day
Kill an elite enemy Sniper with one of your own snipers in single player
24.82%
Mind the Step
Jump two stories in one move in single player