Mission Accomplished
Save humanity throughout the galaxy from certain annihilation
125 ✓ January 11th, 2011
No One Left Behind
Keep your team alive through the suicide mission
75 ✓ January 11th, 2011
Long Service Medal
Complete Mass Effect 2 twice, or complete it once with a character imported from Mass Effect 1
75 ✓ January 11th, 2011
Heart of Darkness
Confront the Shadow Broker
50 ✓ January 20th, 2011
Suicide Mission
Use the Omega 4 Relay
50 ✓ January 10th, 2011
Paramour
Successfully pursue a relationship with a teammate
50 ✓ January 10th, 2011
Agent
Complete 5 missions discovered by scanning unexplored worlds
50 ✓ January 4th, 2011
Detail Orientated
Use all information terminals in the Shadow Broker’s stronghold
40 ✓ January 21st, 2011
Most Dangerous Game
Defeat the Shadow Broker’s Assassin
35 ✓ January 20th, 2011
Catching Up
Reminisce with Liara on the Normandy
25 ✓ January 20th, 2011
Colony Defense
Defend a human colony from attack
25 ✓ January 2nd, 2011
Ghost Ship
Complete the investigation of a derelict alien vessel
25 ✓ January 3rd, 2011
Digital Exorcist
Successfully shut down the rogue VI in Project Overlord
15 ✓ January 19th, 2011
Against All Odds
Survive suicide mission
15 ✓ January 11th, 2011
Master at Arms
Kill enemies with 5 different heavy weapons during the game
15 ✓ January 3rd, 2011
Overload Specialist
Disrupt the shields of 25 enemies
15 ✓ January 5th, 2011
Incineration Specialist
Incinerate the armor of 25 enemies
15 ✓ January 9th, 2011
Operative
Complete a mission discovered by scanning an unexplored world
15 ✓ December 29th, 2010
Scholar
Unlock 15 new Mass Effect 2 codex entries
15 ✓ December 27th, 2010
Technician
Obtain 10 technology upgrades
15 ✓ December 27th, 2010
Power Full
Evolve any power
15 ✓ January 3rd, 2011
Highly Trained
View all advanced combat training videos at Shepard's private terminal.
15 ✓ December 26th, 2010
Revenge!
Gain the loyalty of the mercenary
15 ✓ January 3rd, 2011
Broke, Blind and Bedlam
Gain the loyalty of the thief
15 ✓ January 19th, 2011
Friend or Foe
Obtain geth technology
10 ✓ January 10th, 2011
Data Hound
Collect 6 Cerberus data packets scattered across Aite
10 ✓ January 19th, 2011
The Prodigal
Gain the loyalty of the Cerberus Officer
10 ✓ January 3rd, 2011
Ghost of the Father
Gain the loyalty of the Cerberus Operative
10 ✓ January 4th, 2011
Catharsis
Gain the loyalty of the biotic Convict
10 ✓ January 4th, 2011
Battlemaster
Gain the loyalty of the krogan
10 ✓ January 10th, 2011
Fade Away
Gain the loyalty of Archangel
10 ✓ January 3rd, 2011
The Cure
Gain the loyalty of the Professor
10 ✓ January 9th, 2011
Treason
Gain the loyalty of the quarian
10 ✓ January 5th, 2011
Doppelganger
Help the Justicar resolve her mission
10 ✓ January 10th, 2011
Very Elusive
Return to active duty
10 ✓ January 1st, 1753
Cat's in the Cradle
Gain the loyalty of the Assassin
10 ✓ January 8th, 2011
A House Divided
Hack a geth collective
10 ✓ January 10th, 2011
The Convict
Successfully recruit the biotic Convict
10 ✓ December 30th, 2010
Head Hunter
Perform 30 headshot kills with any weapon on humanoid targets
10 ✓ January 3rd, 2011
Big Game Hunter
Thresher Maw defeated
10 ✓ January 10th, 2011
Merciless
Make 20 enemies scream as they fall or are set on fire
10 ✓ December 26th, 2010
The Krogan
Successfully recruit the krogan
10 ✓ January 2nd, 2011
Explorer
Visit 100% of the planets in an unexplored cluster
10 ✓ January 2nd, 2011
Power Gamer
Reach Level 30 with one character
10 ✓ January 20th, 2011
The Archangel
Successfully recruit Archangel
10 ✓ December 27th, 2010
The Professor
Successfully recruit the Professor
10 ✓ December 26th, 2010
The Quarian
Successfully recruit the quarian
10 ✓ January 3rd, 2011
The Justicar
Successfully recruit the Justicar
10 ✓ January 8th, 2011
The Assassin
Successfully recruit the Assassin
10 ✓ January 7th, 2011
Scientist
Complete any research project in the Normandy's laboratory
10 ✓ December 26th, 2010
Missing in Action
Save your crew from an overwhelming attack
5 ✓ December 24th, 2010
Prospector
Retrieve mineral resources by scanning and probing a planet in the galaxy map
5 ✓ December 26th, 2010
Fashionista
Personalize your armor in your quarters on the Normandy
5 ✓ January 1st, 1753
Insanity
Complete the game on the "Insanity" difficulty level without changing the setting
75 
The Hard Way
Complete the Shadow Broker Mission pack on Hardcore or Insanity
50 
The Ultimate Sacrifice
Complete the Arrival DLC pack
50 
Last Stand
Survive all five waves in the battle for Object Rho
25 
Covert Action
Rescue Dr. Amanda Kenson without attracting hostile attention
25 
Warp Specialist
Warp the barriers of 25 enemies
15 
Weapon Specialist
Fully upgrade a weapon
15 
Brawler
Shoot and kill 20 enemies while they're knocked back by a punch
10 
Tactician
Hit 20 different targets with multiple biotic powers to combine the effects
10