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Mendel Palace
Mendel Palace remains one of the finest action experiences on the NES. Its innovative design and addictive gameplay have earned it a permanent place in gaming history.
- Developer
- Game Freak
- Released
- 1990
- Platform
- NES
- Genre
- Action
- Players
- 2P
- Rating
- 4.5 / 5 (1.1K)
- Last updated
Mendel Palace Controls — NES Keyboard Keys
Default keyboard bindings for Mendel Palace 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.
Mendel Palace Longplay & Gameplay Videos
Watch a full playthrough of Mendel Palace 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
"Mendel Palace" NES longplay 1990
Mendel Palace Cheat Codes
15 community-curated cheats for Mendel Palace. Tick any to activate them automatically when you click "Play with cheats" — or copy a code into your own emulator.
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Infinite Lives
SLSIXXVS012F:63 -
1 Life
AAVZLPZA -
5 Lives
IAVZLPZA -
9 Lives
AAVZLPZE -
Player 1 Has More Lives
KEXLXKSE -
Player 2 Has More Lives
KEXLSKSE -
Pick Up More Stars
IEXIAIPA -
Player 1 Gains Player 2's Speed-Ups
SZUIOOSU+VTUSEOVN -
Collect No Normal Stars
AEXIAIPA -
Diagonal Walkin' Enemies
GEIKOI -
Automatically Beat A Level
051B:00 -
Infinite Stars
06D7:99
Show 3 more cheats Show fewer
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Max High Score
000D:09+000E:09+000F:09+0010:09+0011:09+0012:09 -
Max Score P1
0013:09+0014:09+0015:09+0016:09+0017:09+0018:09 -
Invulnerability
EASXLPAA
External references
Frequently Asked Questions
When was Mendel Palace released?
Mendel Palace was released in 1990 for the NES.
Who developed Mendel Palace?
Mendel Palace was developed by Game Freak, available to play in your browser on RetroGameSpace.
How many players does Mendel Palace support?
Mendel Palace supports up to 2 players, ideal for couch co-op or competitive sessions on the NES.
What type of game is Mendel Palace?
Mendel Palace is a Action game for the NES, playable instantly in your browser — no downloads, no installs.
How can I play Mendel Palace for free?
Open this page and click "Play Now" — Mendel Palace runs free in your browser via WebAssembly emulation. No account, no payment, no installer.
Do I need to download anything to play Mendel Palace in the browser?
No. Mendel Palace streams from a public archive into a browser-side NES emulator. Nothing is installed on your computer.
Can I save my progress in Mendel Palace?
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 Mendel Palace 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 Mendel Palace this way?
RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of Mendel Palace. 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.
