Enter these codes during gameplay:
Everything Researched: Down, Down, Down, Left, Right, L1, Down, Up
One Safari Car Will Blow Up: Hold L1 + R1 and repeatedly tap Up, Down, Up, Down
Tornado Appears: Left, Up, Right, Down, L1 + R1
Shoot from Safari Cars using the Camera: R1 + L1, Left, Down, Right, Right
$10,000 Added to Finances: L1 + Up, L1 + Down
$250,000 Added to Finances: L1, Right, Right, L1, R1, Down
Dinosaurs Cannot Get Sick: Hold L1 + R1 and repeatedly tap Up
Generate Heat Wave: R1 + Down, R1 + Down
Unlocks All Missions, Exercises, and Site B: R1, Right, Right, Right, Right, R1
Dinosaurs Appear as Living Dead: R1, R1, R1, L1, Right
Kill All Dinosaurs: L1, R1, Down, R1, L1
Instantly Restocks Market with Fossils: L1 + R1 + Down
All Excavated Dinosaur DNA to 100%: R1, Up, R1, Right, L1, Down
No Charge for Deaths: L1, R1, Left, Down, Down, Down, Down
No Twisters: Hold L1 + R1 and press Left, Right. Release L1 + R1, then press L1 + R1
Kill All Tourists: Hold R1 and press Right, Left, Right, Left, Right
Select Three Dig Sites without Stars: Press Left, Down, Right, Up, L1 + R1, L1 + R1
All Carnivores Become Stressed: Press L1, L1, L1, Left, Left, Left
Set All Excavated Dinosaur DNA to 55%: Press Down, R1 + Up
Stormy Weather: Press R1, R1, L1, R1, Down, Up, Down
Reduce Finances to 0: Press L1 + R1, Down.