9 cheat codes for Heretic on PC.
Full invincibility. (Doom's iddqd joke: typing iddqd here KILLS you instead.)
quickenType the code at any time during gameplay. No console or pause menu is needed — just type it. Works on the original PC version (and modern re-releases that preserve the classic input system).
Gives all weapons with full ammo plus maximum armor (200 in the registered version).
ramboType the code at any time during gameplay. No console or pause menu is needed — just type it. Works on the original PC version (and modern re-releases that preserve the classic input system).
Gives every key for the current level.
skelType the code at any time during gameplay. No console or pause menu is needed — just type it. Works on the original PC version (and modern re-releases that preserve the classic input system).
Turns the player into a chicken. The most famous Heretic code.
cockadoodledooType the code at any time during gameplay. No console or pause menu is needed — just type it. Works on the original PC version (and modern re-releases that preserve the classic input system).
Sets health to 100%.
ponceType the code at any time during gameplay. No console or pause menu is needed — just type it. Works on the original PC version (and modern re-releases that preserve the classic input system).
Walk through walls and obstacles.
kittyType the code at any time during gameplay. No console or pause menu is needed — just type it. Works on the original PC version (and modern re-releases that preserve the classic input system).
Kills every monster on the current level.
massacreType the code at any time during gameplay. No console or pause menu is needed — just type it. Works on the original PC version (and modern re-releases that preserve the classic input system).
Warps to level E#M# — replace ## with the episode and map number (e.g. engage13 for E1M3).
engage##Type the code at any time during gameplay. No console or pause menu is needed — just type it. Works on the original PC version (and modern re-releases that preserve the classic input system).
First use reveals the automap, second use shows items and enemies too, third use turns it off.
ravmapType the code at any time during gameplay. No console or pause menu is needed — just type it. Works on the original PC version (and modern re-releases that preserve the classic input system).