While you are playing, type one of the following codes to activate the corresponding effect. Note: Using cheats while playing disables leaderboards and achievements.
Cheat Code Effect
ponce: Recover all health
massacre: Kill all enemies in the current room
rambo: Get 3 new weapons, an amulet and full mana
ravmap: Reveal whole map.
idkfa: Lose all weapons and mana
shazam: Level up
mrjones: Disable weapon camera.
carmack: Enable VGA mode (320×200 approximately).
nextgen: Enable Next-Gen mode (chromatic aberration).