EmulatorJS

What it does

EmulatorJS lets you embed retro game emulation directly into your website with a few lines of code. Enabled by WebAssembly, it’s open source, browser-based, customizable, multilingual, and built on RetroArch libretro cores.

• NJ
  Nostalgist.js – Run emulators of retro consoles, within web browsers2023 · nostalgist.js.org · ▲124
• MX
  My x86 emulator written in JavaScript2013 · copy.sh · ▲765
• NS
  No Setup Needed Play NES, SNES, Sega, Atari Games Directly in Browser2024 · weplayretro.games · ▲15

  Tired of the hassle of setting up classic NES, SNES, Sega, Arcade, and Atari games on modern systems? I have built something way simpler - browser based emulation. Key Features: Instant Play: No downloads or complex configurations required. Extensive Library: Explore iconic titles like Super Mario Bros., The Legend of Zelda, Sonic the Hedgehog, Pac-Man, and Street Fighter II. Seamless Emulation: Enjoy smooth gameplay powered by advanced browser technology. Cloud Saves: Never lose your progress again with cloud saving. Let me know your thoughts/suggestions and help bring back the glory…

• RR
  RetroTick – Run classic Windows EXEs in the browserFeb 2026 · retrotick.com · ▲195

  RetroTick parses PE/NE/MZ binaries, emulates an x86 CPU, and stubs enough Win32/Win16/DOS APIs to run classics like FreeCell, Minesweeper, Solitaire and QBasic, entirely in the browser. Built with Preact + Vite + TypeScript. Demo: https://retrotick.com GitHub: https://github.com/lqs/retrotick

• 
  Afterplay2023 · ▲113

  Play retro games on any device, saves synced, no jailbreak

• IM
  I made a retro game archive for Polish games2023 · polishpixels.com · ▲216

  Hi, As a 8-bit C64 game coder in eaarly 90ties and currently mostly FE-focused dev, decided to give a go to a simple retro game archive. This is purely fun project - so i decided to post it to HN, mayne it'll resonate :)

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