Source port cheat codes, Doom Wiki

To activate a cheat in most versions, one simply types the code while playing (this also applies while in automap mode). After the last letter has been entered, a message of acknowledgement will appear at the top of the screen. The status bar, face, and ingame view may also change, depending on the effects of the code. All of the codes for the original game work in all ports, unless otherwise noted. Cheat codes in Vanilla Doom are disabled on the "Nightmare!" skill level, except for the iddt and

Doom (2016 video game) - Wikipedia

Doom references in other games - The Doom Wiki at