Cheats:
Start the game with the “kingpin.exe +developer 1” command line. Then during gameplay, press ` to display the console prompt and type any of the following codes. Please note: The codes are reset when a new level begins and must be activated after the game actually starts.
Toggle God mode -> immortal or god
Toggle no clipping mode -> noclip
Toggle third-person view -> togglecam
Spawn gibs at crosshair location -> gibtest
Jet pack mode -> give jet pack
Ignored by opponents -> notarget
Set on-screen enemies on fire -> extracrispy
All weapons -> give weapons
All items, except cash -> give all
Full ammunition -> give ammo
Full health -> give health
Full armor -> give armor
Bullets -> give bullets (number)
Shells -> give shells (number)
Gas -> give gas (number)
Cash -> give cash (number)
.308 caliber bullets -> give 308cal (number)
Grenades -> give grenades (number)
Rockets -> give rockets (number)
Crowbar -> give crowbar
Pistol -> give pistol
Pistol silencer -> give mods
Shotgun -> give shotgun
Flame-thrower -> give flamethrower
Tommy gun -> give tommygun
Heavy machinegun -> give heavy machinegun
Grenade launcher -> give grenade launcher
Bazooka -> give bazooka
Silencer for handgun -> give spistol
Auto-reloading handgun -> give pistol reload
Health -> give health
Coil -> give coil
Watch -> give watch
Battery -> give battery
Whiskey -> give whiskey
Chemical plant key -> give chem_plant_key
Fuse -> give fuse