Press F10 during game play, then activate the following cheats by entering the corresponding codes. Note: Most of the following codes will work with the original, unpatched game. Some codes will be disabled in the patched versions of the game.
CHEAT FUNCTION - CHEAT CODE All weapons and ammo - winblows Display message [NOTE 1] - goldmode Dynamite - tntrules Elephant gun - dumbogun Enable bigboom code - headofhorrors Extra ammo - moreammo Flame thrower - torchmyass Flaming tip arrows - burningstake Gas mask for stranger - ifarted Gas mask - youfarted God mode - godgames Instant kill1 - bigboom Radiance Emitter - amonra Rain - thunderstorm Recharge battery - recharge Restore health - healme Shotgun and/or 500 shells - shotgunshell Skeleton key - skeletonkey Snow - snowstorm Stranger wears alternate hat - oldhat Summon Baron - baronsaturday Toggle enemy AI - freezer Toggle gratuitous dismemberment - goremode Tommy gun - driveby Wooden stake crossbow - woodenstakegun
NOTE 1: May kill one or multiple nearby opponents. Repeat to kill survivors. The headofhorrors code may need to be enabled before this code works.