01Achievements
Every XCOM: Enemy Unknown achievement, ordered by how few players in the world have unlocked it.
10 of 85 entries
A Continental FellowWin the game from each of the 5 starting locations.1%Very rare
An Army Of FourBeat the game without buying a Squad Size upgrade (Classic+ difficulty)1.2%Very rare
Our Finest HourBeat the game on Impossible difficulty.1.7%Very rare
Lone WolfClear a UFO crash site with one soldier on Classic or Impossible difficulty.2%Very rare
No Looking BackBeat the game in Ironman mode on Classic or Impossible Difficulty.2.2%Very rare
Ain't No Cavalry Comin'Have a soldier survive every mission in a full game.2.3%Very rare
By Our Powers CombinedField a squad with 4 augmented soldiers, each with a different base ability and win the mission2.4%Very rare
Guardian of EarthDesignate a highly decorated soldier as the Volunteer2.7%Very rare
Rise of the MachinesField a squad consisting entirely of augmented soldiers and SHIVs (min. 4) and win the mission3.5%Very rare
Mutatis MutandisField a squad where all members have at least two modifications (min. 4) and win the mission4.7%Very rare
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