Save humanity throughout the galaxy from certain annihilation
Unlocked: 24 Jul 2013 08:53:22
Survive suicide mission
Unlocked: 24 Jul 2013 08:52:03
Incinerate the armor of 25 enemies
Unlocked: 24 Jul 2013 08:21:59
Use the Omega 4 Relay
Unlocked: 24 Jul 2013 07:57:51
Paramour
50Successfully pursue a relationship with a teammate
Unlocked: 24 Jul 2013 07:55:28
Hack a geth collective
Unlocked: 24 Jul 2013 04:36:41
Obtain geth technology
Unlocked: 24 Jul 2013 03:58:43
Fade Away
10Gain the loyalty of Archangel
Unlocked: 24 Jul 2013 03:19:39
Gain the loyalty of the Assassin
Unlocked: 24 Jul 2013 02:55:09
Agent
50Complete 5 missions discovered by scanning unexplored worlds
Unlocked: 05 Jul 2013 23:06:04
Battlemaster
10Gain the loyalty of the krogan
Unlocked: 05 Jul 2013 22:25:32
Thresher Maw defeated
Unlocked: 05 Jul 2013 22:21:58
Doppelganger
10Help the Justicar resolve her mission
Unlocked: 05 Jul 2013 20:51:06
Treason
10Gain the loyalty of the quarian
Unlocked: 05 Jul 2013 20:19:28
Scientist
10Complete any research project in the Normandy's laboratory
Unlocked: 05 Jul 2013 19:47:01
Technician
15Obtain 10 technology upgrades
Unlocked: 05 Jul 2013 19:46:59
The Cure
10Gain the loyalty of the Professor
Unlocked: 05 Jul 2013 19:13:41
Catharsis
10Gain the loyalty of the biotic Convict
Unlocked: 05 Jul 2013 18:42:18
Warp the barriers of 25 enemies
Unlocked: 05 Jul 2013 18:38:40
The Quarian
10Successfully recruit the quarian
Unlocked: 05 Jul 2013 10:19:41
Ghost Ship
25Complete the investigation of a derelict alien vessel
Unlocked: 05 Jul 2013 09:20:35
The Assassin
10Successfully recruit the Assassin
Unlocked: 05 Jul 2013 08:38:39
The Justicar
10Successfully recruit the Justicar
Unlocked: 05 Jul 2013 07:44:51
The Prodigal
10Gain the loyalty of the Cerberus Officer
Unlocked: 04 Jul 2013 10:33:45
Disrupt the shields of 25 enemies
Unlocked: 04 Jul 2013 10:24:59
Explorer
10Visit 100% of the planets in an unexplored cluster
Unlocked: 04 Jul 2013 09:56:31
Operative
15Complete a mission discovered by scanning an unexplored world
Unlocked: 04 Jul 2013 09:55:34
Defend a human colony from attack
Unlocked: 04 Jul 2013 08:06:42
The Convict
10Successfully recruit the biotic Convict
Unlocked: 04 Jul 2013 06:38:09
The Krogan
10Successfully recruit the krogan
Unlocked: 03 Jul 2013 21:04:22
Scholar
15Unlock 15 new Mass Effect 2 codex entries
Unlocked: 03 Jul 2013 21:00:22
Power Full
15Evolve any power
Unlocked: 03 Jul 2013 20:59:20
Successfully recruit the Professor
Unlocked: 03 Jul 2013 20:15:43
Merciless
10Make 20 enemies scream as they fall or are set on fire
Unlocked: 03 Jul 2013 19:52:54
Personalize your armor in your quarters on the Normandy
Unlocked: 03 Jul 2013 00:06:13
View all advanced combat training videos at Shepard's private terminal.
Unlocked: 02 Jul 2013 23:52:32
Very Elusive
10Return to active duty
Unlocked: 02 Jul 2013 22:12:16
Save your crew from an overwhelming attack
Unlocked: 02 Jul 2013 21:24:17
Successfully recruit Archangel
Unlocked: Offline
Gain the loyalty of the Cerberus Operative
Unlocked: Offline
Head Hunter
10Perform 30 headshot kills with any weapon on humanoid targets
Unlocked: Offline
Brawler
10Shoot and kill 20 enemies while they're knocked back by a punch
Unlocked: Offline
Retrieve mineral resources by scanning and probing a planet in the galaxy map
Unlocked: Offline
Insanity
75Complete the game on the "Insanity" difficulty level without changing the setting
Keep your team alive through the suicide mission
Complete Mass Effect 2 twice, or complete it once with a character imported from Mass Effect 1
Tactician
10Hit 20 different targets with multiple biotic powers to combine the effects
Kill enemies with 5 different heavy weapons during the game
Power Gamer
10Reach Level 30 with one character
Fully upgrade a weapon
Revenge!
15Gain the loyalty of the mercenary
Gain the loyalty of the thief