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jgenesis vs RetroArch: catalog facts
jgenesisRetroArch
Free

Free to download from GitHub.

Free

Free and open source, funded by donations.

Windows, Linux, Web Windows, macOS, Linux, Android, iOS
  • Several Sega consoles plus the SNES in one emulator
  • Runs in a browser through WebAssembly
  • Configure once and every emulator core inherits the settings
  • Runs on desktops, phones and a long list of games consoles
  • macOS is not officially supported
  • Smaller project than the established multi-system emulators
  • The settings menu is deep and intimidating the first time
  • You still have to download cores, and some systems need BIOS files you must supply
Downloadable app, Web application Downloadable app
Closed source Open source
License not stated License: GPL-3.0
No account needed No account needed
Works offline Works offline

Checked October 1, 2026

Checked September 20, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.