We have 2 cheats and tips on PC. If you have any cheats or tips for Heretic please send them in here. You can also ask your question on our Heretic Questions & Answers page.
Type in the following codes during game-play to activate them
Invincibility: QUICKEN
Level Warp (## = Episode/level): ENGAGE##
All Weapons and Ammo: RAMBO
All Skeleton Keys: RAVSKEL
Turn into a Chicken: COCKADODDLEDOO
Changes the Map Mode (must be in map mode): RAVMAP
Walk through Walls: KITTY
Death Match Level: ENGAGE41
Full Health: PONCE
Toggles Power-Up Mode: SHAZAM
Kills All Monsters on the Level: MASSACRE
Toggle sound Debug information: NOISE
Toggles ticks-per-frame counter: TICKER
Instant Death: IDDQD
Get no Weapons or Ammo: IDKFA
Ring of Invulnerability: GIMMEA
Shadowsphere: GIMMEB
Quartz Flask: GIMMEC
Tome of Power: GIMMEE
Torch: GIMMEF
Time Bomb of the Ancients: GIMMEG
Morph Ovum: GIMMEH
Wings of Wrath: GIMMEI
Gives item that warps you to the beginning of the Level: GIMMEJ
Enter at game startup (to take pictures of the game at any time press F1): RAVPIC
I KNOW HOW TO GET ALL WEAPONS!
type "Rambo" and you are getting all weapons.
I KNOW TOO HOW TO GET A LOTS OF ITEMS!
type "Gimme" and then write "a-z"
after that type "1-9"