- Ghost of the Father
Gain the loyalty of the Cerberus Operative
31 July 2010 - 2 guides
- Doppelganger
Help the Justicar resolve her mission
30 July 2010 - 2 guides
- Battlemaster
Gain the loyalty of the krogan
29 July 2010 - 1 guide
- Big Game Hunter
Thresher Maw defeated
29 July 2010 - 3 guides
- The Cure
Gain the loyalty of the Professor
29 July 2010 - 1 guide
- The Justicar
Successfully recruit the Justicar
29 July 2010 - 1 guide
- Cat's in the Cradle
Gain the loyalty of the Assassin
27 July 2010 - 2 guides
- Treason
Gain the loyalty of the quarian
27 July 2010 - 2 guides
- Ghost Ship
Complete the investigation of a derelict alien vessel
27 July 2010 - 1 guide
- Fade Away
Gain the loyalty of Archangel
26 July 2010 - 1 guide
- The Assassin
Successfully recruit the Assassin
26 July 2010 - 1 guide
- The Prodigal
Gain the loyalty of the Cerberus Officer
26 July 2010 - 1 guide
- Catharsis
Gain the loyalty of the biotic Convict
25 July 2010 - 1 guide
- The Quarian
Successfully recruit the quarian
25 July 2010 - 2 guides
- Explorer
Visit 100% of the planets in an unexplored cluster
25 July 2010 - 3 guides
- Power Full
Evolve any power
25 July 2010 - 3 guides
- Colony Defense
Defend a human colony from attack
25 July 2010 - 2 guides
- The Krogan
Successfully recruit the krogan
24 July 2010 - 2 guides
- Technician
Obtain 10 technology upgrades
24 July 2010 - 2 guides
- Head Hunter
Perform 30 headshot kills with any weapon on humanoid targets
24 July 2010 - 2 guides
- Scholar
Unlock 15 new Mass Effect 2 codex entries
24 July 2010 - 1 guide
- The Convict
Successfully recruit the biotic Convict
24 July 2010 - 1 guide
- Operative
Complete a mission discovered by scanning an unexplored world
24 July 2010 - 2 guides
- Prospector
Retrieve mineral resources by scanning and probing a planet in the galaxy map
24 July 2010 - 3 guides
- Scientist
Complete any research project in the Normandy's laboratory
24 July 2010 - 1 guide
- The Archangel
Successfully recruit Archangel
24 July 2010 - 2 guides
- The Professor
Successfully recruit the Professor
23 July 2010 - 2 guides
- Merciless
Make 20 enemies scream as they fall or are set on fire
23 July 2010 - 3 guides
- Highly Trained
View all advanced combat training videos at Shepard's private terminal.
23 July 2010 - 2 guides
- Very Elusive
Return to active duty
23 July 2010 - 1 guide
- Fashionista
Personalize your armor in your quarters on the Normandy
23 July 2010 - 3 guides
- Missing in Action
Save your crew from an overwhelming attack
23 July 2010 - 1 guide
- Insanity
Complete the game on the "Insanity" difficulty level without changing the setting
Locked - 11 guides
- No One Left Behind
Keep your team alive through the suicide mission
Locked - 22 guides
- Brawler
Shoot and kill 20 enemies while they're knocked back by a punch
Locked - 10 guides
- Tactician
Hit 20 different targets with multiple biotic powers to combine the effects
Locked - 8 guides
- Master at Arms
Kill enemies with 5 different heavy weapons during the game
Locked - 4 guides
- Warp Specialist
Warp the barriers of 25 enemies
Locked - 6 guides
- Incineration Specialist
Incinerate the armor of 25 enemies
Locked - 6 guides
- Power Gamer
Reach Level 30 with one character
Locked - 2 guides