Obtain geth technology

Gain the loyalty of the Cerberus Officer

Gain the loyalty of the krogan

Gain the loyalty of the Professor

Confront the Shadow Broker

Evolve any power

Visit 100% of the planets in an unexplored cluster

Successfully recruit the Krogan

Obtain 10 technology upgrades

Perform 30 headshot kills with any weapon on humanoid targets

Complete any research project in the Normandy's laboratory

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