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jgenesis vs PicoDrive: catalog facts
jgenesis	PicoDrive
Free Free to download from GitHub.	Free Free to download and use.
Windows, Linux, Web	Linux
Several Sega consoles plus the SNES in one emulator Runs in a browser through WebAssembly	Covers nearly every Sega console up to the 32X in one emulator Fast enough for low-power ARM devices
macOS is not officially supported Smaller project than the established multi-system emulators	Speed is prioritised over the accuracy of heavier emulators No Sega Saturn support
Downloadable app, Web application	Downloadable app
Closed source	Closed source
License not stated	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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