Enter enemy territory alone and defeat an enemy officer.

In a single game, shoot down one of each alien craft.

Kill an alien while flying. Single player only.

In a single game, complete every Autopsy.

Find a soldier with the Gift.

Recover the Hyperwave Beacon.

Stun an Outsider.

Capture a live alien.

Build a S.H.I.V

Staff the Research Labs with 80 scientists.

Build a suit of powered armor.

Earn the "Excellent" rating in every performance category on a terror mission.

Advance one of your soldiers to Colonel rank.