Defeat Rob Zombie.
Find all the Rob Zombie pieces.
Aquire all badges on all levels.
Aquire all badges on 4 levels.
Aquire all badges on 2 levels.
Unlock all extras.
Use shield with less than 25% health.
Play a co-op game.
Finish the game and get the evil ending.
Finish the game and get the good ending.
Defeat the Spider Boss.
Fully upgrade your shield or blast attack.
Destroy the Transport Boss.
Defeat the Ant Lion.
Defeat the UFO Boss.
Score 1,000,000 in a bonus level.
Defeat the Rat Boss.
Defeat the Crocodile Boss.
Complete any level taking no damage.
Obtain a score multiplier of 100.
Complete a level with 100% accuracy.
Complete 20 challenges.
Complete 10 challenges.
Defeat the Trailersaurus Boss.
Aquire all badges on Hard difficulty.
Aquire all badges on Thrasher difficulty.