[Bifta]

Here's a list of the cheats for it, in case anyone needs them

Bring the console up with [~] and type the following codes in to blow
       the monsters back to hell:)

       aviDemo = Saves a demo of your playing to an AVI movie file
       benchmark = Game Benchmark
       doomhell = Skip all levels to last
       freeze = Freeze all on screen
       gfxinfo = Graphicscard infomation
       god = God mode
       noclip = No Clip
       notarget = Invisibility to most enemies
       com_drawfps 1 = Show FPS
       give all = Full load of weapons and ammo
       give doom95 = Load the '95 version of Doom
       give keys = Acquire all the keys you'll ever need
       give weapon_machinegun = Machinegun
       give weapon_shotgun = Shotgun
       give weapon_plasmagun = Plasmagun
       give weapon_bfg = BFG
       give weapon_chainsaw = Chainsaw
       give weapon_rocketlauncher = Rocket Launcher
       status = Your game status
       quit = Quit aka Exit