MAX Cheat Zone

Grand Theft Auto 3

Type in the following codes while playing (enter them again to turn off the effect):

GUNSGUNSGUNS - All Weapons
IFIWEREARICHMAN - More Money
GESUNDHEIT - Full Health
TURTOISE - Full Armor
ITSALLGOINGMAAAD (or ITSALLGONEMAAAD) - Crazy People
NOBODYLIKESME - All People Hate You
WEAPONSFORALL - People Fight Each Other
CHITTYCITTYBB - Anarchy
SKINCANCERFORME - Clear Weather
ILIKESCOTLAND - Cloudy Weather
ILOVESCOTLAND - Rainy Weather
PEASOUP - Foggy Weather
MOREPOLICEPLEASE - Higher Wanted Level
NOPOLICEPLEASE - Lower Wanted Level
GIVEUSATANK - Get the Tank
ANICESETOFWHEELS - Invisible Cars
BANGBANGBANG - Destroy All Cars
ILIKEDRESSINGUP (or ILIKETODRESSUP) - Change Outfit
TIMEFLIESWHENYOU - Speed Up Time
BOOOOORING - Faster Gameplay
BANGBANGBANG - Blow Up Cars Around You
MADWEATHER - Speeds Up Time
CORNERSLIKEMAD - Improved Car Handling
NASTYLIMBSCHEAT (or NASTYLIMBCHEAT) - More Gore
 

NOTE: If you save your game while using the cheats you may not be able to shut them off. Also, codes can be entered while the game is paused (at the menu screen). Hit Esc to pause the game, then type the codes desired. The codes' effects will take place once you unpause. This trick does work for entering multiple codes at once, and is especially useful when you must enter codes quickly.