Cheat Mode
Select "Extras" on the main screen, select "Passwords", and enter one of the following codes there:
coolprop - Three props in stunt creator mode
nobleman - All items unlocked for construction mode
gfxmodes - Several new camera effects and styles
kungfoopete - Unlock all cheats
iceage - Unlock ice wheels cheat
theduke - Unlock nitro addiction cheat
imtarex - Unlock touchable cheat
wearefrozen - Unlock vision switcher cheat
fastride - Unlock the MVX Spartan