To use these cheat codes in Heretic, simply type the code from the input column below during gameplay to get the desired effect. These codes will not work on the highest skill level (except for ravmap).
|quicken||God Mode (except telefragging)|
|kitty||No Clipping Mode|
|massacre||Kills all enemies on the level.|
|rambo||All weapons with maximum ammo and maximum armor (100 in Shareware, 200 in Full).|
Gives player items.
|shazam||Activates a Tome of Power, even if the player doesn't have one.|
First input - Reveals entire map (with secrets)
|ticker||Activates Developer Mode|
|cockadoodledoo||Transforms player into a Chicken.|
|idkfa||Takes away all players weapons except for Staff|
Note: The Elven Wand will be unavailable to regain, since it is not included in the weapon pickups.
- iddqd is the code for God Mode in Doom, and therefore is intentionally added to have the opposite effect in this game for those who think the two games use the same cheats.
- Likewise, idkfa is the Doom cheat for all weapons, ammo, and keys.