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Project64 vs Mupen64Plus: catalog facts
Project64	Mupen64Plus
Free Free and open source under the GPL. The project has previously drawn criticism for bundled…	Free Free and open source.
Windows	Windows, macOS, Linux, Command line
Plugin architecture lets you pick a video plugin for speed or for accuracy Save states, fullscreen, controller support and extensive language coverage	Plugin design lets you swap video and audio back ends Dynamic recompilers for x86, amd64 and ARM
Windows only The project states 64-bit builds are experimental and not currently supported	Command-line front end only; a separate GUI is needed for menus Plugin setup can be confusing
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 23, 2026

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