Successfully recruit the Quarian

Thresher Maw defeated

Gain the loyalty of the Professor

Successfully recruit the Krogan

Retrieve mineral resources by scanning and probing a planet in the galaxy map

Gain the loyalty of the Cerberus Officer

Successfully recruit the biotic Convict

Complete any research project in the Normandy's laboratory

Successfully recruit Archangel

Perform 30 headshot kills with any weapon on humanoid targets

Personalize your armor

Kill a Brute without taking damage