Finish all of the missions.All Levels
How to unlock: During gameplay, press R1, RIGHT, RIGHT, RIGHT, RIGHT, R1.
Play As a Dinosaur
How to: Unlock site B to play as a dinosaur.
How to unlock: During gameplay, press DOWN, DOWN, DOWN, LEFT, RIGHT, L1, DOWN, UP
Description: Activate the No Twisters cheat
How to: Hold R1+L1, then press LEFT RIGHT. Then press R1+L1 again to activate the cheat.
Description:You receive $250,000
How to:L1, Right, Right, L1, R1, Down
Description: Impossible Mission
How to:R1, right, right, right, right, R1