Keep your team alive through the suicide mission
Save humanity throughout the galaxy from certain annihilation
Survive suicide mission
Use the Omega 4 Relay
Successfully pursue a relationship with a teammate
Hack a geth collective
Obtain geth technology
Shoot and kill 20 enemies while they're knocked back by a punch
Complete 5 missions discovered by scanning unexplored worlds
Fully upgrade a weapon
Help the Justicar resolve her mission
Gain the loyalty of the quarian
Successfully recruit the Justicar
Successfully recruit the quarian
Gain the loyalty of the Assassin
Complete the investigation of a derelict alien vessel
Warp the barriers of 25 enemies
Evolve any power
Successfully recruit the Assassin
Gain the loyalty of the krogan
Thresher Maw defeated
Gain the loyalty of Archangel
Gain the loyalty of the Cerberus Officer
Gain the loyalty of the Professor
Kill enemies with 5 different heavy weapons during the game
Gain the loyalty of the biotic Convict
Gain the loyalty of the Cerberus Operative
Hit 20 different targets with multiple biotic powers to combine the effects
Defend a human colony from attack
Successfully recruit the krogan
Disrupt the shields of 25 enemies
Perform 30 headshot kills with any weapon on humanoid targets
Successfully recruit Archangel
Gain the loyalty of the mercenary
Obtain 10 technology upgrades
Complete any research project in the Normandy's laboratory
Successfully recruit the Professor
Unlock 15 new Mass Effect 2 codex entries
Successfully recruit the biotic Convict
Make 20 enemies scream as they fall or are set on fire
Visit 100% of the planets in an unexplored cluster
Complete a mission discovered by scanning an unexplored world
Retrieve mineral resources by scanning and probing a planet in the galaxy map
View all advanced combat training videos at Shepard's private terminal.
Return to active duty
Personalize your armor in your quarters on the Normandy
Save your crew from an overwhelming attack
Collect 6 Cerberus data packets scattered across Aite
Successfully shut down the rogue VI in Project Overlord
Use all information terminals in the Shadow Broker's stronghold
Defeat the Shadow Broker's Assassin
Confront the Shadow Broker
Complete the Shadow Broker Mission pack on Hardcore or Insanity
Reminisce with Liara on the Normandy
Complete the Arrival DLC pack
Survive all five waves in the battle for Object Rho
Rescue Dr. Amanda Kenson without attracting hostile attention
Complete the game on the "Insanity" difficulty level without changing the setting
Complete Mass Effect 2 twice, or complete it once with a character imported from Mass Effect 1
Incinerate the armor of 25 enemies
Reach Level 30 with one character
Gain the loyalty of the thief
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