An Army Of Four
100Beat the game without buying a Squad Size upgrade (Classic+ difficulty)
Unlocked: 29 Nov 2013 18:50:32
Designate a highly decorated soldier as the Volunteer
Unlocked: 29 Nov 2013 17:50:13
Complete Furies
Unlocked: 29 Nov 2013 16:48:01
Complete Deluge
Unlocked: 28 Nov 2013 17:04:00
Kill an unseen enemy detected by a specially modified soldier in single player
Unlocked: 20 Nov 2013 16:08:36
Field a squad where all members have at least two modifications (min. 4) and win the mission
Unlocked: 19 Nov 2013 16:57:36
Make certain of the new threat's location
Unlocked: 19 Nov 2013 15:39:04
Eliminate all alien waves
Unlocked: 19 Nov 2013 11:26:52
Get at least 4 kills with XCOM Base Security personnel
Unlocked: 19 Nov 2013 10:31:12
Kill an enemy as it is psionically attacking you in single player
Unlocked: 19 Nov 2013 09:22:51
Steel Martyr
40Deploy three tactical subsystems on a single soldier in single player
Unlocked: 19 Nov 2013 08:33:10
Proc Combat Rush on the entire squad (min. 4)
Unlocked: 18 Nov 2013 16:15:04
Enemy Within
20Get a Soldier to have 5 modifications in single player
Unlocked: 18 Nov 2013 16:06:52
Field a squad consisting entirely of augmented soldiers and SHIVs (min. 4) and win the mission
Unlocked: 18 Nov 2013 13:42:25
Field a squad with 4 augmented soldiers, each with a different base ability and win the mission
Unlocked: 18 Nov 2013 13:16:50
Kill a Muton Berserker in melee combat in single player
Unlocked: 18 Nov 2013 12:39:01
Deal with the newest global threat
Unlocked: 18 Nov 2013 08:56:03
Kill an elite enemy Sniper with one of your own snipers in single player
Unlocked: 18 Nov 2013 08:43:57
Kill an elite enemy Medic with explosive damage in single player
Unlocked: 18 Nov 2013 08:41:19
Cause an enemy to suicide
Unlocked: 18 Nov 2013 07:08:20
Field a fully enhanced squad and win the mission
Unlocked: 17 Nov 2013 18:38:40
Beat a new special mission without losing any assets
Unlocked: 16 Nov 2013 18:24:08
Jump two stories in one move in single player
Unlocked: 16 Nov 2013 17:41:02
Shieldbuster
20Eliminate an enemy's shield and kill it on the same turn in single player
Unlocked: 16 Nov 2013 17:31:21
Have your special-duty soldier kill three enemies in the same mission
Unlocked: 16 Nov 2013 15:42:22
Zom-B-Gone
20Eradicate the infestation
Unlocked: 16 Nov 2013 12:20:33
Modify a soldier in single player
Unlocked: 14 Nov 2013 17:48:53
Nice Cover
20Use Collateral Damage to blow up a car in single player
Unlocked: 14 Nov 2013 16:42:16
Augment a soldier in single player
Unlocked: 14 Nov 2013 16:11:36
Stop a squad member from suffocating in single player
Unlocked: 14 Nov 2013 15:19:24