Doom Cheats (Macintosh)

IDDQD = God mode
  IDSPISPOPD = Clipping mode
  IDKFA = Full ammo, all guns, and all keys
  IDCHOPPERS = Chainsaw
  IDCLEV## = Warp 1st #=episode 2nd #=level
  IDDT = In map mode gets full map 1st time, 2nd time shows monsters, players, 3rd time
takes effects off
  IDMYPOS = Shows player position on map
  IDBEHOLDS = Gives Berzerker pack
  IDBEHOLDI = Invisible
  IDBEHOLDV = Invulnerable (certain amount of time)
  IDBEHOLDR = Radiation suit
  IDBEHOLDA = Reveal entire map
  IDBEHOLDL = Light amplification goggles