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Lutris vs umu-launcher: catalog facts
Lutris	umu-launcher
Free Free and open source, funded by donations.	Free Free and open source.
Linux	Linux, Command line
Community installer scripts handle the fiddly per-game configuration for you Steam, Epic, GOG and Humble libraries all appear in one client	Runs Proton outside Steam Uses the same runtime environment as Steam's Proton
Linux only Installer scripts are community-maintained, so some are stale or broken	Command-line only, no graphical interface Linux only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked September 24, 2026

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