Repair the escape pod.

Destroy the alien queens.

Repair the radio.

Solve the mysterious paper.

Capture the corporation mothership.

Conquer the Planetoid.

Survive for 25 days.

Survive for 50 days.

Survive for 75 days.

Survive for 100 days.

Hunt down 100 aliens.

Kill 200 monsters.

Destroy 300 enemies.