Carmageddon - Final Version Cheats
BIGBOTTOM - Bodywork Trashed
SUPERHOOPS - Explosive Peds
IGLOOFUN - Hot Rod
GOGGLEPLEX - Underwater Ability
SPAMFORREST - Instant Handbrake
INTHELOFT - Drugs
BUYOURNEXTGAME - Jelly Suspension
CHICKENFODDER - Bouncey
FUNNYJAM - Turbo Peds
TRAMSARESUPER - Pedestrian Harvest
ISLANDRULES - Vesuvian Corpses
SMALLUDDERS - Giant Peds


In the scene where you choose to go to map select, vehicle select, start race etc...
Type ENABLE(quickly) to be given access to all tracks and vehicles. You can now use all of the other cheats in the game... 
First of all, when the race starts use F4 to cycle through the modes untill CHEAT MODE appears. Then all the following
cheats will become availiable:

[F5] - Total repair (free). 
[F6] - Toggle Invulnerability on/off. 
[F7] - Adds 30 seconds to the timer. 
[F8] - Freeze/Unfreeze timer 
[F10] - Increment lap counter 
[F11] - Earn 5000 credits instantly 
[F12] - Switch between each opponents camera and your own, external view only. 
[SHIFT] + [F6] - Show opponents on map. 
[SHIFT] + [F7] - Adds 300 seconds to timer. 
[SHIFT] + [F8] - Toggle shadow between none/your car only/all cars. 
[SHIFT] + [F10] - Increment checkpoint counter 
[SHIFT] + [F11] - Lose 5000 credits instantly 
[CTRL] + [F8] - Toggle shadow between solid(faster)/translucent. 
[CTRL] + [KEYPAD 1] Toggle fly mode (Use normal movement keys. 
[Keypad 5] - places you on the ground(still flying)). 
[Keypad 9] - and 6 changes the cars pitch.
Power-ups(still in cheat mode)
0 - Bonus 
1 - Mega bonus
2 - Pedestrians glued to ground. 
3 - Giant pedestrians. 
4 - Explosive pedestrians. 
5 - Hot rod. 
6 - Turbo pedestrians. 
7 - Invulnerability. 
8 - Free repairs. 
9 - Instant repairs. 
[SHIFT] + 0 - Timer frozen. 
[SHIFT] + 1 - Underwater ability. 
[SHIFT] + 2 - Time bonus. 
[SHIFT] + 3 - Oh dear, body work trashed 
[SHIFT] + 4 - Blow yourself up 
[SHIFT] + 5 - Frozen opponents 
[SHIFT] + 6 - Frozen cops 
[SHIFT] + 7 - Turbo opponents 
[SHIFT] + 8 - Turbo cops 
[SHIFT] + 9 - Gravity has gone strange??? 
[ALT] + 0 - Pinball mode 
[ALT] + 1 - Wall climber 
[ALT] + 2 - Bouncey-Bouncey 
[ALT] + 3 - Oh dear, jelly suspension! 
[ALT] + 4 - Pedestrians shown on map. 
[ALT] + 5 - Pedestrian ray. 
[ALT] + 6 - Greased tyres 
[ALT] + 7 - Acme damage magnifier 
[SHIFT] + [ALT] + 2 - Instant handbrake 
[SHIFT] + [ALT] + 4 - Turbo! 
[SHIFT] + [ALT] + 5 - Mega-Turbo!! 
[SHIFT] + [ALT] + 6 - Blind pedestrians (to be used in conjunction with horn for alaugh) 
[SHIFT] + [ALT] + 7 - Pedestrian respawn 
[SHIFT] + [ALT] + 8 - 5 free recovery vouchers. 
[SHIFT] + [ALT] + 9 - Solid granite car! 
[CTRL] + 0 - Rock springs! 
[CTRL] + 1 - Drugs! 
[CTRL] + 2 - Grip-o-matic tyres 
[CTRL] + 3 - Pedestrian Harvest