4x4 Evolution
Unlock All Trucks
Pause the game and press L1, L2, R1, R2, Square, Square.
Extra $25,000
Pause the game and press L2, Square, R1, Square, R1, L1, O, L2, Square, R2, Square, R1.
Change Game Speed
Pause the game and press the following for the desired game speed:
- Fast: L1, L2, R1, R2, Square, Square.
- Normal: L1, L2, R1, R2, O, O.
- Slow: L1, L2, R1, R2, Square, O.
The database at Game Oak contains more information regarding 4x4 Evolution for Sony PlayStation 2.