An Army of Four
Beat the game without buying a Squad Size upgrade on Classic or Impossible difficulty
6/22/2014
9:00:12 PM
Ultra Rare 2.1%
Guardian of Earth
Designate a highly decorated soldier as the Volunteer
6/22/2014
8:00:38 PM
Ultra Rare 3.5%
Mental Minefield
Kill an enemy as it is psionically attacking you in single player
6/22/2014
5:00:03 PM
Very Rare 6.5%
Mutatis Mutandis
Field a squad where all members have at least two modifications (min. 4) and win the mission
6/15/2014
11:55:35 PM
Very Rare 5.3%
Rise of the Machines
Field a squad consisting entirely of augmented soldiers and SHIVs (min. 4) and win the mission
6/15/2014
9:46:22 PM
Ultra Rare 4.7%
By Our Powers Combined
Field a squad with 4 augmented soldiers, each with a different base ability and win the mission
6/15/2014
8:53:26 PM
Ultra Rare 3.7%
All Hands On Deck
Get at least 4 kills with XCOM Base Security personnel
6/15/2014
7:09:39 PM
Rare 23.1%
Steel Martyr
Deploy three tactical subsystems on a single soldier in single player
6/15/2014
5:54:29 PM
Rare 21.3%
Shieldbuster
Eliminate an enemy's shield and kill it on the same turn in single player
6/15/2014
3:10:21 AM
Rare 31.5%
Regenerate This
Kill an elite enemy Medic with explosive damage in single player
6/14/2014
11:04:17 PM
Rare 23.9%
G'day
Kill an elite enemy Sniper with one of your own snipers in single player
6/14/2014
7:21:22 PM
Rare 27.8%
Someone Your Own Size
Kill a Muton Berserker in melee combat in single player
6/14/2014
3:58:09 PM
Rare 14.6%
