Complete the entire game without losing any lives.

Successfully destroy the enemy base!

Make it all the way through level 5.

Destroy 30 enemies without using your forward shooting weapon.

Obtain a score of 30,000 or more while playing an Xbox Live co-op game.

Make it all the way through level 4.

Make it all the way through level 3.

Make it all the way through level 2.

Destroy 10 or more fuel containers on level 1.

Make it all the way through level 1.

Destroy 30 enemies without once dropping a bomb

Destroy 3 or more mystery objects.