Complete a level with 100% accuracy.

Unlock all Extras.

Aquire all badges on 2 levels. (Normal difficulty)

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)

Defeat the Trailersaurus Boss.

Defeat the Crocodile Boss.

Defeat the Rat Boss.

Defeat the UFO Boss.

Defeat the Ant Lion Boss.

Destroy the Transport Boss.

Defeat the Spider Boss.

Complete 10 Challenges.

Complete 20 Challenges.

Obtain a score multiplier of 100.

Finish the game and get the good ending.

Finish the game and get the evil ending.

Fully upgrade your shield or blast attack.

Complete a level taking no damage.