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