Keep your team alive through the suicide mission
Unlocked: 16 Feb 2015 11:23:57
Save humanity throughout the galaxy from certain annihilation
Unlocked: 16 Feb 2015 10:48:12
Survive suicide mission
Unlocked: 16 Feb 2015 10:46:47
Use the Omega 4 Relay
Unlocked: 16 Feb 2015 10:01:55
Paramour
50Successfully pursue a relationship with a teammate
Unlocked: 16 Feb 2015 10:00:54
Agent
50Complete 5 missions discovered by scanning unexplored worlds
Unlocked: 15 Feb 2015 10:42:38
Kill enemies with 5 different heavy weapons during the game
Unlocked: 15 Feb 2015 10:29:38
Hack a geth collective
Unlocked: 15 Feb 2015 09:25:49
Gain the loyalty of the Assassin
Unlocked: 15 Feb 2015 08:40:14
Fully upgrade a weapon
Unlocked: 15 Feb 2015 08:22:14
Explorer
10Visit 100% of the planets in an unexplored cluster
Unlocked: 15 Feb 2015 08:15:33
Obtain geth technology
Unlocked: 15 Feb 2015 08:00:44
The Assassin
10Successfully recruit the Assassin
Unlocked: 15 Feb 2015 06:51:55
Tactician
10Hit 20 different targets with multiple biotic powers to combine the effects
Unlocked: 15 Feb 2015 06:46:41
Brawler
10Shoot and kill 20 enemies while they're knocked back by a punch
Unlocked: 15 Feb 2015 06:24:18
Treason
10Gain the loyalty of the quarian
Unlocked: 15 Feb 2015 06:06:54
Warp the barriers of 25 enemies
Unlocked: 15 Feb 2015 05:26:36
Ghost Ship
25Complete the investigation of a derelict alien vessel
Unlocked: 15 Feb 2015 04:33:51
The Quarian
10Successfully recruit the quarian
Unlocked: 15 Feb 2015 01:04:21
Operative
15Complete a mission discovered by scanning an unexplored world
Unlocked: 14 Feb 2015 23:44:50
Doppelganger
10Help the Justicar resolve her mission
Unlocked: 14 Feb 2015 23:33:47
Battlemaster
10Gain the loyalty of the krogan
Unlocked: 14 Feb 2015 23:11:11
Thresher Maw defeated
Unlocked: 14 Feb 2015 23:08:53
The Cure
10Gain the loyalty of the Professor
Unlocked: 14 Feb 2015 11:50:37
Fade Away
10Gain the loyalty of Archangel
Unlocked: 14 Feb 2015 10:51:35
The Prodigal
10Gain the loyalty of the Cerberus Officer
Unlocked: 14 Feb 2015 10:07:56
Disrupt the shields of 25 enemies
Unlocked: 14 Feb 2015 10:00:56
Power Full
15Evolve any power
Unlocked: 14 Feb 2015 09:35:45
The Justicar
10Successfully recruit the Justicar
Unlocked: 14 Feb 2015 09:27:54
Catharsis
10Gain the loyalty of the biotic Convict
Unlocked: 14 Feb 2015 08:03:35
Gain the loyalty of the Cerberus Operative
Unlocked: 14 Feb 2015 07:13:58
Defend a human colony from attack
Unlocked: 14 Feb 2015 04:40:28
Successfully recruit Archangel
Unlocked: 14 Feb 2015 03:34:03
Incinerate the armor of 25 enemies
Unlocked: 14 Feb 2015 03:29:57
Technician
15Obtain 10 technology upgrades
Unlocked: 14 Feb 2015 03:10:33
The Convict
10Successfully recruit the biotic Convict
Unlocked: 14 Feb 2015 03:08:03
The Krogan
10Successfully recruit the krogan
Unlocked: 14 Feb 2015 02:05:16
Head Hunter
10Perform 30 headshot kills with any weapon on humanoid targets
Unlocked: 14 Feb 2015 01:46:38
Scientist
10Complete any research project in the Normandy's laboratory
Unlocked: 12 Feb 2015 13:17:47
Successfully recruit the Professor
Unlocked: 12 Feb 2015 13:15:31
Merciless
10Make 20 enemies scream as they fall or are set on fire
Unlocked: 12 Feb 2015 12:58:01
Scholar
15Unlock 15 new Mass Effect 2 codex entries
Unlocked: 12 Feb 2015 12:45:21
Retrieve mineral resources by scanning and probing a planet in the galaxy map
Unlocked: 12 Feb 2015 11:20:30
View all advanced combat training videos at Shepard's private terminal.
Unlocked: 12 Feb 2015 11:10:42
Very Elusive
10Return to active duty
Unlocked: 10 Feb 2015 13:07:54
Personalize your armor in your quarters on the Normandy
Unlocked: 10 Feb 2015 13:07:10
Save your crew from an overwhelming attack
Unlocked: 02 Feb 2015 07:27:14
Insanity
75Complete the game on the "Insanity" difficulty level without changing the setting
Complete Mass Effect 2 twice, or complete it once with a character imported from Mass Effect 1
Power Gamer
10Reach Level 30 with one character
Revenge!
15Gain the loyalty of the mercenary
Gain the loyalty of the thief