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Lakka vs MustardOS: catalog facts
Lakka	MustardOS
Free Free and open source community project.	Free Free to download from the official release page.
Linux	Linux
Built on RetroArch with netplay, rewind and shaders Automatic joypad recognition	Extensive theming and personalisation options Aims for minimal setup before playing
Tied to RetroArch's interface and cores Runs as a dedicated system rather than an app on a desktop	Only runs on supported handheld devices Flashing it replaces the device's stock firmware
Operating system	Operating system
Open source	Closed source
License not stated	License not stated
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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