DOOM II: Hell on Earth/Codes


 * IDBEHOLDx - Gives item (x denotes the letter for the item)
 * IDCHOPPERS - Chainsaw
 * IDCLEVxx - Change level (xx=level number)
 * IDDQD - God mode
 * IDFA - Firearms, armor
 * IDKFA - Firearms, armor, health, keys
 * IDMUSxy - change music (xy denotes music number)
 * IDNOCLIP - No clipping