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Fester's Quest
Fester's Quest is an action-RPG developed by Sunsoft in 1989 for the NES. Players control Uncle Fester from The Addams Family as he explores a top-down overworld and dungeons. The game combines real-time combat with RPG progression, allowing Fester to gain experience and learn electric-based spells through leveling up. Combat involves navigating maze-like dungeons while fighting creatures, collecting items, and solving environmental puzzles. Players control Fester's movement with the D-pad and use the B button for basic attacks and the A button for spells. The game features multiple dungeon areas with increasing difficulty and boss encounters. Progression requires both combat skill and resource management, as players must balance when to use limited spell energy. The game's quirky Addams Family atmosphere combines with its gameplay mechanics to create a distinctive entry in the NES action-RPG library.
- Developer
- Sunsoft
- Released
- 1989
- Platform
- NES
- Genre
- RPG
- Players
- 1P
- Rating
- 4.4 / 5 (647)
- Last updated
Fester's Quest Controls — NES Keyboard Keys
Default keyboard bindings for Fester's Quest on our in-browser NES emulator. Plug in a USB or Bluetooth gamepad to auto-detect mappings, or rebind any key from the emulator settings menu.
| Keyboard | Console button | Typical use |
|---|---|---|
| ↑ | D-Pad Up | Move up |
| ↓ | D-Pad Down | Move down |
| ← | D-Pad Left | Move left |
| → | D-Pad Right | Move right |
| X | A | Primary action (jump / confirm) |
| Z | B | Secondary action (attack / cancel) |
| Enter | Start | Start / Pause |
| Shift | Select | Select / Mode |
Rebind any key from the EmulatorJS in-game settings menu (gear icon → Controls). A connected gamepad auto-maps to the same buttons.
Fester's Quest Longplay & Gameplay Videos
Watch a full playthrough of Fester's Quest on NES before you dive in — recommended for getting a feel for the game's pacing, story beats, and difficulty curve.
Watch longplay on YouTube
"Fester's Quest" NES longplay 1989
Fester's Quest Cheat Codes
30 community-curated cheats for Fester's Quest. Tick any to activate them automatically when you click "Play with cheats" — or copy a code into your own emulator.
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Invincibility On
04F8:C0 -
Invincibility Off
04F8:01 -
Always Level 8 Gun
04E7:08 -
Always Level 4 Whip
04E8:04 -
Infinite 98 Bulbs
015C:63 -
Infinite 98 Keys
015D:63 -
Infinite 98 Nooses
015E:63 -
Infinite 98 Vice Grips
015F:63 -
Infinite 98 Potions
0160:63 -
Infinite 98 Invisibles
0161:63 -
Infinite 98 Money
0162:63 -
Infinite 98 Missiles
0163:63
Show 18 more cheats Show fewer
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Infinite 98 T.N.T.
0164:63 -
Infinite health
XVEPUKVK04E5:03+04E9:03 -
Infinite Health [Alternate Code]
SXEPUKVK -
Infinite Money
SZUSYOSE0162:64 -
Infinite TNT [Once You Get Them]
SZNIYOVK -
Infinite Vice Grips [Once You Get Them]
SXSITEVK -
Infinite Missiles [Once You Get Them]
SZVVXUVK -
Infinite Potions [Once You Get Them]
SXVSLEVK -
Infinite Invisible Potions! [Once You Get Them]
SZEIYOVK -
Infinite Nooses [Once You Get Them]
SXUITEVK -
Start A New Game With 50 Nooses, 50 Vice Grips, 50
LLSXGYAA -
Start A New Game With 99 Nooses, 99 Vice Grips, 99
GTSXGYAA -
Start A New Game With 4 Energy Blocks [Instead of
GASZIYZA -
Hot Dogs Only Cost $1 [Instead of $5]
PAUSTPIA -
Hot Dogs Cost $10 [Instead of $5]
ZAUSTPIE -
Start with the strongest gun
AAKXAYPE -
Start with the strongest whip
GAKXIYAA -
Red gun icons don't decrease gun power
XVXOUEVK
External references
Frequently Asked Questions
When was Fester's Quest released?
Fester's Quest was released in 1989 for the NES.
Who developed Fester's Quest?
Fester's Quest was developed by Sunsoft, available to play in your browser on RetroGameSpace.
How many players does Fester's Quest support?
Fester's Quest is a single-player RPG game for the NES.
What type of game is Fester's Quest?
Fester's Quest is a RPG game for the NES, playable instantly in your browser — no downloads, no installs.
How can I play Fester's Quest for free?
Open this page and click "Play Now" — Fester's Quest runs free in your browser via WebAssembly emulation. No account, no payment, no installer.
Do I need to download anything to play Fester's Quest in the browser?
No. Fester's Quest streams from a public archive into a browser-side NES emulator. Nothing is installed on your computer.
Can I save my progress in Fester's Quest?
Yes. Save states are stored in your browser (IndexedDB) per game, and you can also use any in-game save the original NES cartridge supported.
Does Fester's Quest work on mobile devices?
Yes — the NES emulator runs on iOS Safari and Android Chrome. Touch controls overlay the game; landscape mode is recommended.
Is it legal to play Fester's Quest this way?
RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of Fester's Quest. Game files are fetched on demand from publicly-accessible archives. You are responsible for compliance with your local laws and the bring-your-own-ROM principle.
