GTA1 PC Cheats

At the character selection screen press Delete amd enter one of the following codes and press Enter to activate it.
The sound of a revving engine confirms correct entry

All Weapons, All Armor, Get Out of Jail Free card - SUCKMYROCKET
10x multiplier - HATEMACHINE
Raise point values - % MACHINE
999,999,999 points - ITCOULDBEYOU
All levels and cities - ITSGALLUS or NINEINAROW or SUPER WELL
All weapons - BUCKFAST or CALLMENIGEL
Press the * asterisk button for all weapons.
Infinite lives - ITSTANTRUM or 6031769
No police - IAMTHELAW or STEVESMATES
Hijack train - Press Ctrl + Enter after entering train.
Enable Offensive language - IAMGARYPENN
Disable Offensive language - IAMNOTGARYPENN
UFO police - ENIGMA
View FMV sequences - HEARTOFGOLD

Debug mode - PORKCHARSUI and press one of the following keys to activate the cheat

Effect	Key
Screen capture in .TGA format	D
Zoom in (aerial camera)	L
Zoom in (ground camera)	[
Zoom out (aerial camera)	K
Zoom out (ground camera)	]
Pan camera up	[Numpad 8]
Pan camera down	[Numpad 2]
Pan camera right	[Numpad 6]
Pan camera left	[Numpad 4]
Center camera view	[Home]
Pause and advance single frame	[Numpad Plus]
All weapons with full ammo	[Numpad *]
Current status and coordinates	C
Change screen mode	R
Restart level	[F12]

Captured screens are stored as DUMP.TGA files within the /GTADOS subdirectory.