Complete the game on the "Insanity" difficulty level without changing the setting

Unlocked: 13 Apr 2012 17:23:54

Incinerate the armor of 25 enemies

Unlocked: 03 Apr 2011 10:34:56

Warp the barriers of 25 enemies

Unlocked: 01 Apr 2011 17:30:50

Keep your team alive through the suicide mission

Unlocked: 06 Feb 2010 10:09:06

Complete Mass Effect 2 twice, or complete it once with a character imported from Mass Effect 1

Unlocked: 06 Feb 2010 10:07:07

Hit 20 different targets with multiple biotic powers to combine the effects

Unlocked: 06 Feb 2010 08:41:17

Fully upgrade a weapon

Unlocked: 05 Feb 2010 16:44:00

Disrupt the shields of 25 enemies

Unlocked: 04 Feb 2010 15:24:11

Reach Level 30 with one character

Unlocked: 31 Jan 2010 19:24:01

Shoot and kill 20 enemies while they're knocked back by a punch

Unlocked: 31 Jan 2010 15:42:12

Hack a geth collective

Unlocked: 31 Jan 2010 15:15:01

Save humanity throughout the galaxy from certain annihilation

Unlocked: 31 Jan 2010 12:57:33

Survive suicide mission

Unlocked: 31 Jan 2010 12:56:06

Kill enemies with 5 different heavy weapons during the game

Unlocked: 31 Jan 2010 12:43:29

Use the Omega 4 Relay

Unlocked: 31 Jan 2010 12:07:46

Successfully pursue a relationship with a teammate

Unlocked: 31 Jan 2010 12:04:39

Obtain geth technology

Unlocked: 31 Jan 2010 10:58:10

Gain the loyalty of the quarian

Unlocked: 31 Jan 2010 10:12:48

Gain the loyalty of the krogan

Unlocked: 30 Jan 2010 21:16:09

Thresher Maw defeated

Unlocked: 30 Jan 2010 21:13:11

Gain the loyalty of the Professor

Unlocked: 30 Jan 2010 20:38:42

Gain the loyalty of the Assassin

Unlocked: 30 Jan 2010 19:52:56

Gain the loyalty of Archangel

Unlocked: 30 Jan 2010 19:24:45

Gain the loyalty of the biotic Convict

Unlocked: 30 Jan 2010 18:51:37

Successfully recruit the quarian

Unlocked: 30 Jan 2010 18:22:44

Visit 100% of the planets in an unexplored cluster

Unlocked: 30 Jan 2010 17:06:19

Gain the loyalty of the Cerberus Operative

Unlocked: 30 Jan 2010 16:56:10

Help the Justicar resolve her mission

Unlocked: 30 Jan 2010 15:23:42

Complete any research project in the Normandy's laboratory

Unlocked: 30 Jan 2010 14:44:26

Complete 5 missions discovered by scanning unexplored worlds

Unlocked: 30 Jan 2010 14:41:09

Complete the investigation of a derelict alien vessel

Unlocked: 30 Jan 2010 13:41:58

Obtain 10 technology upgrades

Unlocked: 30 Jan 2010 13:24:25

Complete a mission discovered by scanning an unexplored world

Unlocked: 30 Jan 2010 12:57:33

Retrieve mineral resources by scanning and probing a planet in the galaxy map

Unlocked: 30 Jan 2010 12:47:14

Successfully recruit the Justicar

Unlocked: 30 Jan 2010 12:32:01

Successfully recruit the Assassin

Unlocked: 30 Jan 2010 11:11:29

Evolve any power

Unlocked: 30 Jan 2010 10:36:07

View all advanced combat training videos at Shepard's private terminal.

Unlocked: 30 Jan 2010 09:50:41

Gain the loyalty of the Cerberus Officer

Unlocked: 30 Jan 2010 09:34:16

Successfully recruit the krogan

Unlocked: 29 Jan 2010 20:00:54

Defend a human colony from attack

Unlocked: 29 Jan 2010 19:47:02

Unlock 15 new Mass Effect 2 codex entries

Unlocked: 29 Jan 2010 18:19:05

Successfully recruit the biotic Convict

Unlocked: 29 Jan 2010 18:10:35

Successfully recruit the Professor

Unlocked: 29 Jan 2010 17:10:47

Perform 30 headshot kills with any weapon on humanoid targets

Unlocked: 29 Jan 2010 16:39:17

Successfully recruit Archangel

Unlocked: 29 Jan 2010 16:27:02

Make 20 enemies scream as they fall or are set on fire

Unlocked: 29 Jan 2010 16:23:41

Return to active duty

Unlocked: 29 Jan 2010 14:24:28

Personalize your armor in your quarters on the Normandy

Unlocked: 29 Jan 2010 14:20:54

Save your crew from an overwhelming attack

Unlocked: 29 Jan 2010 13:52:36

Gain the loyalty of the mercenary

Unlocked: 31 Jan 2010 19:23:10

Use all information terminals in the Shadow Broker’s stronghold

Unlocked: 31 Jul 2011 12:47:16

Confront the Shadow Broker

Unlocked: 06 Apr 2011 18:50:46

Defeat the Shadow Broker’s Assassin

Unlocked: 06 Apr 2011 18:25:43

Complete the Shadow Broker Mission pack on Hardcore or Insanity

Unlocked: Offline

Reminisce with Liara on the Normandy

Unlocked: Offline

Survive all five waves in the battle for Object Rho

Unlocked: 06 Mar 2012 16:23:20

Rescue Dr. Amanda Kenson without attracting hostile attention

Unlocked: 06 Mar 2012 15:48:15

Complete the Arrival DLC pack

Unlocked: 05 Apr 2011 15:54:15

Successfully shut down the rogue VI in Project Overlord

Unlocked: 01 Mar 2012 16:43:42

Collect 6 Cerberus data packets scattered across Aite

Unlocked: 01 Mar 2012 15:02:38

Gain the loyalty of the thief

Unlocked: 31 Jul 2011 14:18:12