Gain the loyalty of the krogan

Gain the loyalty of Archangel

Evolve any power

Successfully recruit the Quarian

Gain the loyalty of the thief

Defeat the prison gang member in Champion Mode

Perform 30 headshot kills with any weapon on humanoid targets

Obtain 10 technology upgrades

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

Successfully recruit the biotic Convict

Successfully recruit the Professor

Successfully recruit the Krogan

Make 20 enemies scream as they fall or are set on fire