The Ultimate DOOM/Codes

Codes are activated by typing the letters ingame.
 * IDBEHOLDa : Automap
 * IDBEHOLDi : Invisiblity
 * IDBEHOLDl : Light goggles
 * IDBEHOLDr : Radiation suit
 * IDBEHOLDs : Berserk
 * IDBEHOLDv : Invulnerability sphere
 * IDCHOPPERS : Chainsaw
 * IDCLEV## : Warp to e#m#
 * IDDT : Reveal map (while in map mode)
 * IDDQD : God mode (Delta-Q-Delta)
 * IDFA : Full ammo
 * IDKFA : Keys and full ammo
 * IDSPISPOPD : No clipping, walk through walls (smashing pumpkins into small pieces of putrid debris)