ME2: Gain the loyalty of the quarian

ME2: Gain the loyalty of the Assassin

ME2: Successfully shut down the rogue VI in Project Overlord

ME2: Fully upgrade a weapon

ME2: Thresher Maw defeated

ME2: Hit 20 different targets with multiple biotic powers to combine the effects

ME2: Gain the loyalty of the biotic Convict

ME2: Gain the loyalty of the Cerberus Officer

ME2: Complete the investigation of a derelict alien vessel

ME2: Warp the barriers of 25 enemies

ME2: Visit 100% of the planets in an unexplored cluster

ME2: Successfully recruit the Justicar