The nesbox/emulator is an open source, browser-based emulator for a collection of retro gaming systems (NES, Super Nintendo, Sega Mega Drive, GameBoy, etc.). It’s written in ActionScript/Flash, and the project includes SWF binaries so you can embed the emulator into web pages. The emulator allows users to load ROMs and play them in their browsers via the Flash plugin. It’s licensed under the MIT license, meaning it’s quite permissive in terms of reuse. While Flash is an aging technology, the project remains a practical way to access old console gaming via browser, as long as Flash is supported or available.

Features

  • Multi-system support — runs games for NES, SNES, Sega Mega Drive, GameBoy, etc.
  • Browser integration (Flash SWF) — designed to run in browser windows via Flash; you can embed it in web pages.
  • MIT License — open source under a permissive license allowing reuse / modification.
  • Precompiled binaries included — SWF files in the /bin folder to use directly without compiling.
  • ActionScript codebase — the source is entirely in ActionScript (Flash).
  • Simple embedding instructions — includes HTML snippet + instructions for embedding into websites, controlling system type and ROM URL.

Project Samples

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Categories

Emulators

License

MIT License

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NESbox Web Site

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Additional Project Details

Programming Language

ActionScript

Related Categories

ActionScript Emulators

Registered

2025-09-23