Screenshots
Stack-Up
Stack-Up 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
- Nintendo
- Platform
- NES
- Genre
- Action
- Players
- 2P
- Rating
- 4.6 / 5 (763)
- Last updated
Stack-Up Controls — NES Keyboard Keys
Default keyboard bindings for Stack-Up 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.
Stack-Up Longplay & Gameplay Videos
Watch a full playthrough of Stack-Up 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
"Stack-Up" NES longplay
External references
Frequently Asked Questions
Who developed Stack-Up?
Stack-Up was developed by Nintendo, available to play in your browser on RetroGameSpace.
How many players does Stack-Up support?
Stack-Up supports up to 2 players, ideal for couch co-op or competitive sessions on the NES.
What type of game is Stack-Up?
Stack-Up is a Action game for the NES, playable instantly in your browser — no downloads, no installs.
How can I play Stack-Up for free?
Open this page and click "Play Now" — Stack-Up runs free in your browser via WebAssembly emulation. No account, no payment, no installer.
Do I need to download anything to play Stack-Up in the browser?
No. Stack-Up streams from a public archive into a browser-side NES emulator. Nothing is installed on your computer.
Can I save my progress in Stack-Up?
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 Stack-Up 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 Stack-Up this way?
RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of Stack-Up. 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.
