ln the option menu type valay then change the difficulty level and damage level.

crash Collision Control
mirror Enables REVERSE button on track selection, type this on main menu
label Show the players name above the car; name is even visible if the car isn't
retro Rear view mirror
map + F9 Enhanced map, show cars as numbers 1 to 8
map Show the track map in place of the tacometer
dural Gives car chrome body and better stats.