In The Ultimate Doom, idmus40 will play the same music as idmus39 ( D_E3M9) and idmus41 to idmus45 will play music from the intermission, main, and end screens. Certain selections may call for invalid music lumps (see IDMUS requests invalid music).
Frequent fan interpretations include ' kick fucking ass' and ' keys and full ammo'.
This cheat code is not present in versions prior to 1.666. The code can be used in cooperative multiplayer games by first pressing T and then typing the code while holding ALT. This also means that DeHackEd can be used to circumvent god mode by creating incredibly powerful weapons some examples of this effect can be found in The Sky May Be. This is why a player in God mode can still be killed by telefragging. There is no form of attack in the game that does more damage than this number, except one: a telefrag, which inflicts 10000 points on the target.
When # is one of the letters below, this gives the player the chosen power-up: