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.
It’s 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.