Kill an alien while flying. Single player only.

Advance one of your soldiers to Colonel rank.

Acquire 1000 credits in one month.

Kill 150 aliens.

Uncover the alien base's location.

Fulfill a Council request.

Capture a live alien.

Shoot down a UFO.

Build an item.

Complete a mission without losing a soldier.

Discovered all named locations in Oasis and the surrounding Pirate's Booty areas

Gave Claptrap a high five