Complete Level 2
Make it all the way through level 2.
15
Bombing Run
Destroy 30 enemies without using your forward shooting weapon.
10
Refueling
Destroy 10 or more fuel containers on level 1.
10
Sharp Shooter
Destroy 30 enemies without once dropping a bomb
10
Complete Level 1
Make it all the way through level 1.
10
It's a Mystery
Destroy 3 or more mystery objects.
15
Complete Level 3
Make it all the way through level 3.
15
Complete Level 4
Make it all the way through level 4.
20
Complete Level 5
Make it all the way through level 5.
20
Complete Base Level
Successfully destroy the enemy base!
25
Co-op Brilliance
Obtain a score of 30,000 or more while playing an Xbox Live co-op game.
20
Perfection
Complete the entire game without losing any lives.
30