Aquire all badges on 2 levels. (Normal difficulty)
Obtain a score multiplier of 100.
Finish the game and get the evil ending.
Complete a level taking no damage.
Finish the game and get the good ending.
Complete a level with 100% accuracy.
Defeat the Spider Boss.
Fully upgrade your shield or blast attack.
Destroy the Transport Boss.
Defeat the Ant Lion Boss.
Defeat the UFO Boss.
Defeat the Rat Boss.
Complete 20 Challenges.
Defeat the Crocodile Boss.
Complete 10 Challenges.
Defeat the Trailersaurus Boss.
Unlock all Extras.
Aquire all badges on 4 levels. (Normal difficulty)
Aquire all badges on all levels. (Normal difficulty)
Aquire all badges on all levels. (Hard difficulty)
Aquire all badges on all levels. (Thrasher difficulty)