Normal Game Speed
Pause gameplay and press L1, L2, R1, R2, Circle, Circle.

Fast Game Speed
Pause gameplay and press L1, L2, R1, R2, Square, Square.

Slow Game Speed
Pause gameplay and press L1, L2, R1, R2, Square, Circle.

$25,000
Pause gameplay and press L2, Square, R1, Square, R1, L1, Circle, L2, Square, R2, Square, R1.

All Trucks
Pause gameplay and press L1, L2, R1, R2, Square, Square