Catharsis
ME2: Gain the loyalty of the biotic Convict
Doppelganger
ME2: Help the Justicar resolve her mission
Cat's in the Cradle
ME2: Gain the loyalty of the Assassin
Fade Away
ME2: Gain the loyalty of Archangel
Revenge!
ME2: Gain the loyalty of the mercenary
Ghost of the Father
ME2: Gain the loyalty of the Cerberus Operative
Digital Exorcist
ME2: Successfully shut down the rogue VI in Project Overlord
Battlemaster
ME2: Gain the loyalty of the krogan
Big Game Hunter
ME2: Thresher Maw defeated
The Cure
ME2: Gain the loyalty of the Professor
Incineration Specialist
ME2: Incinerate the armor of 25 enemies
Ghost Ship
ME2: Complete the investigation of a derelict alien vessel
The Quarian
ME2: Successfully recruit the quarian
Heart of Darkness
ME2: Confront the Shadow Broker
The Justicar
ME2: Successfully recruit the Justicar
The Assassin
ME2: Successfully recruit the Assassin
The Prodigal
ME2: Gain the loyalty of the Cerberus Officer
The Krogan
ME2: Successfully recruit the krogan
Colony Defense
ME2: Defend a human colony from attack
The Convict
ME2: Successfully recruit the biotic Convict