Doom Cheat Codes
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IDDQD - God Mode
IDKFA - Keys Full Ammo
IDSPISPOPD - No Clipping Mode
IDBEHOLD - Free Stuff
IDCHOPPERS - Chain Saw
IDCLEVxx - Level Warp (xx is the level to warp to)
IDDT - Map toggle (use when viewing map)
IDMYPOS - Gives your current position
IDMUSxx - Music change (xx is the level to get the music from)