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M64Py vs Project64: catalog facts
M64Py	Project64
Free Free and open source under the GPL-3.0.	Free Free and open source under the GPL. The project has previously drawn criticism for bundled…
Windows, macOS, Linux	Windows
Graphical setup for Mupen64Plus plugins and input ROM list with preview images and cheat support	Plugin architecture lets you pick a video plugin for speed or for accuracy Save states, fullscreen, controller support and extensive language coverage
Depends on the Mupen64Plus library for emulation No games included	Windows only The project states 64-bit builds are experimental and not currently supported
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0
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 September 21, 2026

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