No Twisters
Hold (R1+L1) and press Left Right, then press R1+L1 again to activate the cheat.
Collect $250,000
While playing a game, enter Left, Right, Right, Left, Right, Down
Extra Heat
While playing press R1, Down, R1, Down, R1, Down, R1 to activate a heat wave
Carnivore Provoketion
While playing press L1, L1 ,L1, Left, Left, Left
Unlock Site B
While playing press R1, R1, R1, L1
Play as dinosaur
Unlock site B to be a dinosaur
Safari Cheat
Press (R1+L1), Left, Down, Right, Right to shoot from safari cars
Crash
Hold (L1+R1) and press Up, Down repeatedly
Create Twister
Press Left, Up ,Right, Down, (L1+R1)
Xtra 10 Grand
Press L1, Up, L1, Down to gain 10,000 dollars
Death to Dinosaurs
Press L1, R1, Down, R1, L1
Death to Guests
Go to the Crichton's plotline level, Hold R1 and press Right, Left, Right, Left, Right
Unlock all Levels
Press R1, Right, Right, Right, Right, R1
Error in sequence
Press Down, (R1+Up)
Rain, Rain Go Away
To activate stormy weather Press R1, R1, L1, R1, Down, Up, Down
Isla Muerta
Press R1, R1, R1, L1, Right
Market Day
Enter L1, R1, Down, L1, R1, Down
No Rampages
Press Left, Left, Up, Left, Up, Left, Left
Cheats submited by Andrew on January 16, 2007