IDDQD - God Mode
IDKFA - Keys Full Ammo
IDFA - Full Ammo
IDCLIP - No Clipping Mode
IDBEHOLD - Free Stuff
IDCHOPPERS - Chain Saw
IDCLEVxx - Level Warp (xx is the level to warp to)
IDMYPOS - Gives your current position
IDMUSxx - Music change (xx is the level to get the music from)