Select Password at the main menu and then enter one of the following.

Password	Effect
JUNGLE	Level 1
AZTEC	Level 2
SPIDER	Level 3
DIRT	Level 4
CROCO	Level 5
QUEEN	Level 6
BOW	Level 7
LAVA	Level 8
ROCKS	Level 9
VOLCANO	Level 10
TRAPS	Level 11
DINO	Level 12
SHORE	Level 13
RAPTOR	Level 14
BATS	Level 15
TREX	Level 16
BIRD	Level 17
ATTACK	Level 18
SHELLS	Level 19
PATROL	Level 20
WIND	Level 21
RATS	Level 22
SECRET	Level 23
WATER	Level 24
VAPOR	Level 25
MORAN	Level 26
LIANA	Level 27
BACK	Level 28
CLOCK	Level 29
UNITY	Level 30
FINAL	Level 31
DOCTORX	Level 32