Complete list of cheats
During the game, type these in for a variety of special occurrences:

BIGBOTTOM	Trash bodywork 
BOYSFROMTHEBUSH	Grip-o-matic tires
BUYOURNEXTGAME	Jelly suspension 
CHICKENFODDER	Bouncy
FUNNYJAM	Turbo pedestrians
GIVEMELARD	Loads of money 
GOOGLEPLEX	Underwater ability 
HAMSTERSEX	Blind pedestrians 
IGLOOFUN	Hot rod 
IHAVESOMESPAM	Lunar gravity 
ILOVENOBBY	Show pedestrians on map 
INTHELOFT	Drugs 
ISLANDRULES	Vesuvian corpses 
MOOSEONTHELOOSE	Pinball mode
NAUGHTYTORTY	Respawn pedestrians 
RABBITDREAMER	Gravity from Jupiter
RUSSFORMARIO	Pedestrian electro-ray 
SMALLUDDERS	Giant pedestrians 
SPAMFOREST	Instant handbrake
SPAMFRITTER	Free repairs
SPAMSPAMSPAMSPAM Pedestrians can't move (rabbit/headlights Ð that kind of thing)
ISUPERHOOPS	Explosive pedestrians
TRAMSARESUPER	Pedestrian harvest


Also, holding down Z on the start line allows you to pull away early. Unfortunately, you get a head start but will have 1000 credits deducted Ð but you can make up for this by killing the marshal. Remember you can also use the Z key for a wheel spin.