Smash Cars cheats and cheat codes for Playstation 2

Secret Shortcut
On the first level when your coming to the part when you drop of a ledge onto the 
beach where the dog is but before you do that, move left onto a small ramp. At 
the end of this ramp you will see a boulder on the left. Carefully go around the 
boulder. There will be a wooden deck. Ride on it jump over a gap and drive to the 
finish.

Getting the bonus money
Do not use boost in the entire level while you race