ME2: Survive suicide mission

ME2: Hack a geth collective

ME2: Gain the loyalty of the quarian

ME2: Fully upgrade a weapon

ME2: Successfully shut down the rogue VI in Project Overlord

ME2: Gain the loyalty of the Cerberus Operative

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

ME2: Gain the loyalty of the Professor

ME2: Thresher Maw defeated

ME2: Gain the loyalty of Archangel

ME2: Incinerate the armor of 25 enemies

ME2: Confront the Shadow Broker

ME2: Warp the barriers of 25 enemies