Fight on all maps.

Own at least one car each from the '60s, '70s, '80s, '90s and '00s.

Assassinate 50 guards with the hidden blade.

Defeat an enemy with one shot.

Personalize your armor

Perform 30 headshot kills with any weapon on humanoid targets

Gain the loyalty of the thief

Visit 100% of the planets in an unexplored cluster

Complete any research project in the Normandy's laboratory

Complete a mission discovered by scanning an unexplored world

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

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

Save your crew from an overwhelming attack