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Project64 vs RetroArch: catalog facts
Project64	RetroArch
Free Free and open source under the GPL. The project has previously drawn criticism for bundled…	Free Free and open source, funded by donations.
Windows	Windows, macOS, Linux, Android, iOS
Plugin architecture lets you pick a video plugin for speed or for accuracy Save states, fullscreen, controller support and extensive language coverage	Configure once and every emulator core inherits the settings Runs on desktops, phones and a long list of games consoles
Windows only The project states 64-bit builds are experimental and not currently supported	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	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 September 21, 2026	Official website Full listing and sources Checked September 20, 2026

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