Carmageddon for PC Cheats and Cheat Codes

At the car selection screen, type "IWANTTOFIDDLE" (case-sensitive). Now the 
external data files, which are in text format, will be decrypted to allow editing the 
game physics. 

While playing a game, enter one of the following codes to activate the 
corresponding cheat function:

CHEAT CODE	RESULT 

SPOONREASON	Invincibility
BIGBOTTOM	Damaged body
SUPERHOOPS	Explosive pedestrians
IGLOOFUN		Hot Rod
GOOGLEPLEX	Underwater ability
SPAMFORREST	Instant handbrake
INTHELOFT		Drugs
BUYOURNEXTGAME	Jelly suspension
SOAPYTITWANKS	Super turbo mode
CHICKENFODDER	Bouncy mode
MOOSEONTHELOOSE	Pinball mode
FUNNYJAM		Turbo pedestrians
ISLANDRULES	Volcanic corpses
SPAMFRITTERS	Free repairs
GIVEMELARD	Money bonus
TRAMSARESUPER	Pedestrian harvest
SMALLUDDERS	Giant pedestrians
HAMSTERSEX	Blind pedestrians
SPAMSPAMSPAMSPAM	Pedestrians stuck to ground
ILOVENOBBY	Pedestrians viewed on map
RUSSFORMARIO	Pedestrian electro bastard ray
NAUGHTYTORTY	Pedestrians re-spawn
IHAVESOMESPAM	Strange gravity
RABBITDREAMER	Gravity from Jupiter
BOYSFROMTHEBUSH	Extra grip tires
[BACKSPACE]	Self-repair
SPAMFRITTERS	Free repairs
INTHEWAR		Instant repair
SEXWITHFISH	Disable timer
MILKYSMILES	Time bonus
BILLANDBEN	Mine
SPAMACCIDENTS	Frozen opponents
NASALSMEAR	Frozen police
YUMMYLARD	Faster opponents
YAKATTACK	Faster police
SECRETCOWS	Wall climber
ILOVENOBBY	View pedestrians on map
BENFORMARIO	Greased tires
WEHATEMARIO	Damage multiplier
ICECREAMHOLE	Five free recovery vouchers
KNEEPITHAPPINESS	Granite car
MRCURSORSCOOL	Finish lap

During a race, type "ibetyoucantprintcunt". Then, press [F4] to cycle through 
track and car editing modes. Enter one of the following codes while edit mode is 
enabled to activate the corresponding cheat function:

CHEAT CODE	RESULT 

1		Large credits
2		Paused pedestrians
3		Giant pedestrians
4		Exploding pedestrians
5		Hot rod
6		Fast pedestrians
7		Invincibility
8		Free repairs
9		Instant repair
0		Small credits
[Shift] + 1		Underwater mode
[Shift] + 2		Time bonus
[Shift] + 3		Wrecked body
[Shift] + 4		Mine
[Shift] + 5		Paused opponents
[Shift] + 6		Paused police
[Shift] + 7		Fast opponents
[Shift] + 8		Fast police
[Shift] + 9		Lunar gravity
[Shift] + 0		Timer stopped
[Shift] + [Alt] + 1	Bouncy Bouncy mode
[Shift] + [Alt] + 2	Instant handbrake
[Shift] + [Alt] + 3	Pedestrians from Hell
[Shift] + [Alt] + 4	Turbo
[Shift] + [Alt] + 5	Mega turbo
[Shift] + [Alt] + 6	Blind pedestrians
[Shift] + [Alt] + 7	Pedestrians Re-spawn
[Shift] + [Alt] + 8	Five free recoveries
[Shift] + [Alt] + 9	Solid granite car
[Shift] + [Alt] + 0	Explosive pedestrians
[Ctrl] + 1		Drugs
[Ctrl] + 2		Gripomatic tires
[Ctrl] + 3		Pedestrian harvest
[Ctrl] + 4		Volcanic corpses
[Ctrl] + 5		Jupiter gravity
[Ctrl] + 0		Rock Springs
[Alt] + 1		Wall Climber
[Alt] + 2		Bouncy Bouncy mode
[Alt] + 3		Jelly suspension
[Alt] + 4		Show pedestrians on map
[Alt] + 5		Pedestrian Electro-Bastard ray
[Alt] + 6		Greased tires
[Alt] + 7		Damage magnifier
[Alt] + 8		Jupiter gravity
[Alt] + 9		Fast opponents
[Alt] + 0		Pinball mode