Install or update Proton-GE, a compatibility tool for running games through Steam.
Open source
24 alternativesNonSteamLaunchers-On-Steam-Deck
github.com/moraroy/NonSteamLaunchers-On-Steam-…
Steam Communities & Tools
Open-source projectOpen source
Install third-party launchers and UMU/GE-Proton in one prefix folder, then add them to a Steam library.
About NonSteamLaunchers-On-Steam-Deck
NonSteamLaunchers-On-Steam-Deck installs UMU/GE-Proton and third-party launchers under a single Proton prefix folder named NonSteamLaunchers, then adds the launchers and their games to the Steam library. Supported launchers listed include Battle.net, Epic Games, Ubisoft, GOG, EA App, Amazon Games, itch.io, Rockstar Games Launcher and others. It adds installed games automatically and attempts to remove uninstalled games, organizes entries into per-launcher collections, and applies artwork, metadata cards, theme music and boot videos where available. It creates .desktop files for running games outside Steam, works in Desktop and Game Mode, and supports moving the prefix to microSD. Certain anticheat games do not work in Linux environments, depending on the game.
Key features
- Installs UMU and GE-Proton under one NonSteamLaunchers prefix
- Adds third-party launchers and games to Steam library
- Adds installed games and attempts to remove uninstalled games
- Creates per-launcher collections with artwork and metadata cards
- Creates .desktop files to run games outside Steam
- Supports moving the full prefix to microSD card
Best for: Steam Deck and SteamOS users who want third-party launchers in their Steam library.
Good for
- Works in Desktop and Game Mode
- Supports local saves, cloud saves and multiplayer through launchers
- Compatible with ProtonTricks
Watch out for
- Certain anticheat games do not work in Linux environments
- Removal of uninstalled games from the library is attempted, not guaranteed
NonSteamLaunchers-On-Steam-Deck at a glance
- Category
- Gaming › Steam Communities & Tools
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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NonSteamLaunchers-On-Steam-Deck FAQ
Can I run the launchers or games outside Steam?
Yes, special .desktop files are created per shortcut for use outside Steam.
Can I install launchers and games to an SD card?
Yes, the script can move the entire prefix to microSD and point Steam entries there.
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