Croc: Legend of the Gobbos/Desert Island

This is the third island in the game.

Levels
3-1 Lights Camel Action 3-2 Mud Pit Mania 3-3 Goin' Underground 3-4 Sand and Freedom 3-5 Leap of Faith 3-6 Life's a Beach

Boss Levels
You must beat boss levels to progress to the next level. Beating a boss level also unlocks a secret level, if you collected all the Gobbos from the levels preceding it.

3-B1 The Deadly Tank of Neptuna 3-B2 Cactus Jack's Ranch

Secret Levels
These contain the puzzle pieces needed to unlock the final island.

3-S1 Arabian Heights 3-S2 Defeato Burrito