4X4 Evolution

Pause, then press following buttons:
$25,000 - L2, Square, R1, Square, R1, L1, Circle, L2, Square, R2, Square, R1.
$1 Million - L2, Square, R1, Circle, R1, L1, Circle, L2, Square, R2, Square, R1
Normal game speed - L1, L2, R1, R2, Circle(x2).
Faster game speed - L1, L2, R1, R2, Square(x2).
Slower game speed - L1, L2, R1, R2, Square, Circle.

At the main menu Press:
All trucks - L1, L2, R1, R2, L1, R2. Alternately : L1, L2, R1, R2, L1, R1.