Win the game from each of the 5 starting locations.
Unlocked: 03 Aug 2013 10:09:49
Shoot down 40 UFOs.
Unlocked: 25 Jul 2013 09:25:05
Have a soldier survive every mission in a full game.
Unlocked: 27 May 2013 08:16:38
No Looking Back
100Beat the game in Ironman mode on Classic or Impossible difficulty.
Unlocked: 27 May 2013 08:16:37
Beat the game on Impossible difficulty.
Unlocked: 27 May 2013 08:16:36
Earth First
60Beat the game on Classic difficulty.
Unlocked: 27 May 2013 08:16:35
Lone Wolf
20Clear a UFO crash site with one soldier on Classic or Impossible difficulty.
Unlocked: 23 May 2013 06:16:40
Win a mission with an all-female squad. Single player only.
Unlocked: 01 Feb 2013 10:45:16
Win a multiplayer match.
Unlocked: 15 Jan 2013 10:46:59
Beat the game on any difficulty.
Unlocked: 15 Jan 2013 09:50:16
Make contact with the Ethereal hive mind.
Unlocked: 15 Jan 2013 08:15:15
Acquire 1000 credits in one month.
Unlocked: 14 Jan 2013 08:21:16
In a single game, shoot down one of each alien craft.
Unlocked: 14 Jan 2013 07:52:13
Skunkworks
20In a single game, complete every Foundry project.
Unlocked: 13 Jan 2013 19:24:16
Edison
25In a single game, complete every Research Project.
Unlocked: 13 Jan 2013 13:09:17
Staff the Engineering Department with 80 engineers
Unlocked: 13 Jan 2013 11:39:12
Mind Control an Ethereal. Single player only.
Unlocked: 13 Jan 2013 09:25:36
Build the Gollop Chamber.
Unlocked: 13 Jan 2013 07:23:33
In a single game, complete every Autopsy.
Unlocked: 13 Jan 2013 05:54:42
Successfully assault an Overseer UFO.
Unlocked: 13 Jan 2013 05:50:23
Pale Horse
50Kill 500 aliens.
Unlocked: 13 Jan 2013 04:07:32
As A Scalpel
25Earn the "Excellent" rating in every performance category on a terror mission.
Unlocked: 13 Jan 2013 03:32:30
Oppenheimer
20Staff the Research Labs with 80 scientists.
Unlocked: 12 Jan 2013 10:38:58
Kill an alien while flying. Single player only.
Unlocked: 12 Jan 2013 07:15:46
Find a soldier with the Gift.
Unlocked: 12 Jan 2013 04:09:47
Build a Firestorm.
Unlocked: 12 Jan 2013 04:04:30
Build a S.H.I.V.
Unlocked: 12 Jan 2013 03:59:02
Bada Boom
10Kill 50 aliens with explosive weapons.
Unlocked: 12 Jan 2013 03:03:16
Get satellite coverage over every country on one continent.
Unlocked: 11 Jan 2013 09:42:25
Build the Hyperwave Relay.
Unlocked: 11 Jan 2013 08:22:58
Man No More
10Build a suit of powered armor.
Unlocked: 11 Jan 2013 08:17:57
Gain access to the lowest level in your base.
Unlocked: 10 Jan 2013 08:17:06
Advance one of your soldiers to Colonel rank.
Unlocked: 10 Jan 2013 08:04:27
Recover the Hyperwave Beacon.
Unlocked: 10 Jan 2013 08:02:48
Kill 150 aliens.
Unlocked: 10 Jan 2013 07:43:14
Fulfill a Council request.
Unlocked: 10 Jan 2013 02:24:56
Uncover the alien base's location.
Unlocked: 10 Jan 2013 02:18:23
Build a Workshop.
Unlocked: 10 Jan 2013 01:54:44
Stun an Outsider.
Unlocked: 09 Jan 2013 04:50:25
Theory...
10Build a Laboratory.
Unlocked: 09 Jan 2013 04:33:04
Capture a live alien.
Unlocked: 09 Jan 2013 04:23:46
Build a base facility.
Unlocked: 09 Jan 2013 03:11:35
We Happy Few
10Complete a mission without losing a soldier.
Unlocked: 09 Jan 2013 03:01:41
Shoot down a UFO.
Unlocked: 09 Jan 2013 02:40:59
Launch a Satellite.
Unlocked: 09 Jan 2013 02:35:53
Build an item.
Unlocked: 09 Jan 2013 01:28:11
Complete a Research Project.
Unlocked: 09 Jan 2013 01:26:18
Complete the tutorial mission.
Unlocked: 09 Jan 2013 01:04:29
Cure poison on five soldiers in a single mission. Single player only.
Unlocked: Offline
Wet Work
10Complete a Very Hard abduction mission in five turns or less on Classic or Impossible difficulty.
Unlocked: Offline
Take your new ally into the final challenge.
Unlocked: 15 Jan 2013 08:20:16
Complete Gangplank.
Unlocked: 12 Jan 2013 03:46:50
All Aboard
30Complete Confounding Light with more than 3 turns left on the timer.
Unlocked: 12 Jan 2013 02:29:30
Complete Confounding Light.
Unlocked: 12 Jan 2013 02:29:29
New Friend
10Complete Friends in Low Places.
Unlocked: 11 Jan 2013 07:09:17