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

Complete 5 missions discovered by scanning unexplored worlds

Save humanity throughout the galaxy from certain annihilation

Visit 100% of the planets in an unexplored cluster

Use the Omega 4 Relay

Obtain geth technology

Evolve any power

Confront the Shadow Broker

Help the Justicar resolve her mission

Gain the loyalty of Archangel

Gain the loyalty of the Cerberus Officer

Successfully recruit the Justicar

Thresher Maw defeated