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