Thunder Truck Rally Codes -

No damage:
Press Left(4), Up, Down, L1, R2 at the main menu. The sound of a burp will confirm correct code entry.

Super vehicle:
Press L2, Left, Right, Up, Down, R2 at the main menu. The sound of a burp will confirm correct code entry. The durability of all trucks will increase.

Monster trucks:
Press L1, R2, L2, R1, Up at the main menu. The sound of a burp will confirm correct code entry.

Increased traction:
Press Left, L1, R2, R1, Left, R2(3) at the main menu. The sound of a burp will confirm correct code entry.

Checkpoint skip:
Press L1(2), R1(2), L2(2), R2(2) at the main menu. The sound of a burp will confirm correct code entry. Begin a race in endurance mode. Press Triangle to be flown to the next checkpoint by helicopter.

Better handling:
Press Left, Right, Circle, Square at the main menu. The sound of a burp will confirm correct code entry. Your truck will be able to corner better during game play.