Advance one of your soldiers to Colonel rank.

Stun an Outsider.

Kill 150 aliens.

Build a S.H.I.V

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

Build a Workshop.

Shoot down a UFO.

Build an item.

Complete a mission without losing a soldier.

Play an offline-only game. (2P +)

Buy your first weapon.

Crushed 50 Enemies.

Enter Practice Mode