Grand Theft Auto 3

Cheat mode:
Enter one of the following codes during game play to activate the corresponding cheat function.
The message "Cheat Activated" will appear to confirm correct code entry.

The codes can also be activated at the menu screen (press [Esc] during game play) to avoid having your character moving around while they are being entered.

Code                Effect 
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gunsgunsguns        All weapons 
ifiwerearichman     Extra money 
gesundheit          Full health 
morepoliceplease    Higher wanted level 
nopoliceplease      Lower wanted level 
giveusatank         Tank (Rhino) 
bangbangbang        Destroy all cars 
ilikedressingup     Change costume 
itsallgoingmaaad    Crazy pedestrians 
nobodylikesme       All pedestrians attack you 
weaponsforall       Pedestrians fight each other 
timeflieswhenyou    Time advances quicker 
madweather          Very fast game clock 
boooooring          Faster game play 
turtoise            100% armor (unpatched version) 
tortoise            100% armor (patched version) 
skincancerforme     Clear weather 
ilikescotland       Cloudy weather 
ilovescotland       Rainy weather 
peasoup             Foggy weather 
anicesetofwheels    Invisible cars; wheels only 
chittychittybb      Flying car 
cornerslikemad      Improved car handling; press [Shift] to jump  
nastylimbscheat     Gore mode 
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Note: Codes can be entered multiple times.
For example, keep typing gunsgunsguns etc. to have more ammunition as well as all guns.
The giveusatank code can only be activated four times.