I am sorry we do not have a cheat code that unlocks all cars but we do have some crazy cheats:

Cheat Codes (player name) Select the "New" option on the player selection screen, then enter one of the following names to activate the corresponding cheat function:

Result	NAME
Police displayed on the map [Note]	Showme Cops
All city bus traffic [Note]	Big Bus Party
All compact car traffic [Note]	Tiny Car
All airplane traffic [Note]	Jet Planes
Faster AI [Note]	Warp Eleven
Traffic drives in reverse	amizdA eoJ
Select the VW Bug in cruise mode to drive a VW Rabbit	vacompact
Select the Ford F350 in cruise mode to drive a van	vavan
Select the Ford F350 in cruise mode to drive a pickup truck	vapickup
Select the Ford F350 in cruise mode to drive a delivery truck	vadelivery
Select the Mustang GT in cruise mode to drive a random limo	valimo
Select the Mustang GT in cruise mode to drive a black limo	valimoblack
Select the Mustang GT in cruise mode to drive a white limo	valimoangel
Select the Cadillac in cruise mode to drive a generic car	vasedans
Select the Cadillac in cruise mode to drive a yellow cab	vataxi
Select the Cadillac in cruise mode to drive a green checkered cab	vataxicheck
Select the City Bus in cruise mode to drive the bus with a new color	vabus
Select the City Bus in cruise mode to drive a Diesel	vadiesels
Select the City Bus in cruise mode to drive a mini-jet	vaboeing_small
Select the Bullet in cruise mode to drive a generic light car	vasedanl

Note: Scores will be disabled while this code is active.


Cheat Codes (in-game) While playing the game in single player mode, hold [Ctrl] + [Alt] + [Shift] + [F7] until a prompt appears. Then, enter one of the following codes to activate the corresponding cheat function:

Result	Cheat Code
No damage [Note]	/nodamage
Enable damage	/damage
Toggle police radar [Note]	/fuzz
Bridges very quick [Note]	/bridge
Cars in traffic have no friction [Note]	/slide
Player's car has no friction [Note]	/puck
Low gravity [Note]	/grav
Use horn to shoot mailboxes [Note]	/postal
Airplanes becomes UFOs	/ufo
Train becomes line of airplanes	/swap
Sky spins	/dizzy
Fast commentary	/talkfast
Slow commentary	/talkslow
Large people	/big
Small people	/tiny
Disable smoking tires	/nosmoke
Enable smoking tires	/smoke

Note: Scores will be disabled while this code is active.