Missing in Action

5
Save your crew from an overwhelming attack
Very Elusive

10
Return to active duty
Fashionista

5
Personalize your armor in your quarters on the Normandy
Prospector

5
Retrieve mineral resources by scanning and probing a planet in the galaxy map
Merciless

10
Make 20 enemies scream as they fall or are set on fire
The Archangel

10
Successfully recruit Archangel
Scholar

15
Unlock 15 new Mass Effect 2 codex entries
The Professor

10
Successfully recruit the Professor
Scientist

10
Complete any research project in the Normandy's laboratory
Head Hunter

10
Perform 30 headshot kills with any weapon on humanoid targets
Operative

15
Complete a mission discovered by scanning an unexplored world
Technician

15
Obtain 10 technology upgrades
The Convict

10
Successfully recruit the biotic Convict
The Krogan

10
Successfully recruit the krogan
Highly Trained

15
View all advanced combat training videos at Shepard's private terminal.
Colony Defense

25
Defend a human colony from attack
Power Full

15
Evolve any power
Catharsis

10
Gain the loyalty of the biotic Convict
The Cure

10
Gain the loyalty of the Professor
Ghost Ship

25
Complete the investigation of a derelict alien vessel
The Prodigal

10
Gain the loyalty of the Cerberus Officer
Battlemaster

10
Gain the loyalty of the krogan
Explorer

10
Visit 100% of the planets in an unexplored cluster
The Quarian

10
Successfully recruit the quarian
The Assassin

10
Successfully recruit the Assassin
Ghost of the Father

10
Gain the loyalty of the Cerberus Operative
Big Game Hunter

10
Thresher Maw defeated
The Justicar

10
Successfully recruit the Justicar
Fade Away

10
Gain the loyalty of Archangel
Treason

10
Gain the loyalty of the quarian
Cat's in the Cradle

10
Gain the loyalty of the Assassin
Suicide Mission

50
Use the Omega 4 Relay
Mission Accomplished

125
Save humanity throughout the galaxy from certain annihilation
Friend or Foe

10
Obtain geth technology
Against All Odds

15
Survive suicide mission
A House Divided

10
Hack a geth collective
Doppelganger

10
Help the Justicar resolve her mission
Paramour

50
Successfully pursue a relationship with a teammate
Agent

50
Complete 5 missions discovered by scanning unexplored worlds
Revenge!

15
Gain the loyalty of the mercenary
Long Service Medal

75
Complete Mass Effect 2 twice, or complete it once with a character imported from Mass Effect 1
Master at Arms

15
Kill enemies with 5 different heavy weapons during the game
Weapon Specialist

15
Fully upgrade a weapon
No One Left Behind

75
Keep your team alive through the suicide mission
Brawler

10
Shoot and kill 20 enemies while they're knocked back by a punch
Tactician

10
Hit 20 different targets with multiple biotic powers to combine the effects
Overload Specialist

15
Disrupt the shields of 25 enemies
Warp Specialist

15
Warp the barriers of 25 enemies
Power Gamer

10
Reach Level 30 with one character
Broke, Blind and Bedlam

15
Gain the loyalty of the thief
Incineration Specialist

15
Incinerate the armor of 25 enemies
Digital Exorcist

15
Successfully shut down the rogue VI in Project Overlord
Insanity

75
Complete the game on the "Insanity" difficulty level without changing the setting
Data Hound

10
Collect 6 Cerberus data packets scattered across Aite
Detail Orientated

40
Use all information terminals in the Shadow Broker’s stronghold
Most Dangerous Game

35
Defeat the Shadow Broker’s Assassin
Heart of Darkness

50
Confront the Shadow Broker
Catching Up

25
Reminisce with Liara on the Normandy
The Hard Way

50
Complete the Shadow Broker Mission pack on Hardcore or Insanity