Fester's Quest Cheats, Codes & Secrets

Last Updated on Sep 21, 2023

This page contains cheats, hints, Easter eggs, secrets, and tips for Fester's Quest. We will continually update this page when we come across more useful cheats and tips.

Fester's Quest Cheats For NES

Upgrade Gun

To upgrade the power of your gun or whip, grab the blue gun or whip icons. If you grab the purple or pink one it will downgrade the power of your weapon.

Disable Music

To disable the music, shot at a wall and press select twice.

Fester's Quest Game Genie Codes

The following cheat codes are for Game Genie. These can be used on a Nintendo Entertainment System (NES) with a Game Genie device or you can use these on any emulator that supports Game Genie Codes. If you want a Game Genie device, you can always check on Amazon for one.

Cheat Effect	Cheat Code
Infinite health	XVEPUKVK
Infinite money	SZUSYOSE
Invincibility	OZVPEGSX
Infinite invisibility potions on pickup	SZEIYOVK
Infinite missiles on pickup	SZVVXUVK
Infinite nooses on pickup	SXUITEVK
Infinite TNT on pickup	SZNIYOVK
Infinite vice grips on pickup	SXSITEVK
Inifnite potions on pickup	SXVSLEVK
Walk through walls	AEUKKGEA

More Cheats: NES