Complete Level 1 (10): Complete Level 1.

Complete Level 2 (15): Complete Level 2.

Complete Level 3 (15): Complete Level 3.

Complete Level 4 (20): Complete Level 4.

Complete Level 5 (20): Complete Level 5.

Complete Base Level (25): Successfully destroy the enemy base.

Refueling (10): Destroy 10 or more fuel containers on Level 1.

Co-op Brilliance (20): Obtain a score of 30,000 or more while playing an Xbox Live co-op game.

Its a Mystery (15): Destroy 3 or more mystery objects.

Bombing Run (10): Destroy 30 enemies without using your forward shooting weapon.

Sharp Shooter (10): Destroy 30 enemies without once dropping a bomb.

Perfection (30): Complete the entire game without losing any lives.