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