Complete the entire game without losing any lives.
Successfully destroy the enemy base!
Make it all the way through level 5.
Make it all the way through level 4.
Obtain a score of 30,000 or more while playing an Xbox Live co-op game.
Destroy 30 enemies without using your forward shooting weapon.
Destroy 10 or more fuel containers on level 1.
Destroy 30 enemies without once dropping a bomb
Make it all the way through level 2.
Make it all the way through level 1.
Destroy 3 or more mystery objects.
Make it all the way through level 3.
