Keep your team alive through the suicide mission

Complete Mass Effect 2 twice, or complete it once with a character imported from Mass Effect 1

Warp the barriers of 25 enemies

Successfully pursue a relationship with a teammate

Obtain geth technology

Gain the loyalty of the Professor

Gain the loyalty of the krogan

Shoot and kill 20 enemies while they're knocked back by a punch

Gain the loyalty of the Assassin

Gain the loyalty of the Cerberus Operative

Help the Justicar resolve her mission

Collect 6 Cerberus data packets scattered across Aite