Thunder Truck Rally PS Cheats

Enter the following at the Main Menu. A sound will confirm entry:

Invincibility:Left, Left, Left, Left, Up, Down, L1, R2. 

Big Trucks:L1, R2, L2, R1, Up.

SuperTruck:L2, Left, Right, Up, Down, R2.

Better Traction:Left, L1, R2, R1, Left, R2, R2, R2.

Skip Checkpoint:L1, L1, R1, R1, L2, L2, R2, R2. 
During an Endruance race press Triangle to skip checkpoints.

Thanks to Revolution readers Rowan Mcdermolt and Tipper Gore (hmmmm…)!!