Faugus Launcher

A simple and lightweight app for running Windows games using UMU-Launcher

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Installation

flatpak install flathub io.github.Faugus.faugus-launcher

Running:

flatpak run io.github.Faugus.faugus-launcher

MangoHud installation:

flatpak install org.freedesktop.Platform.VulkanLayer.MangoHud/x86_64/25.08

Steam Flatpak integration

Allow Faugus Launcher to detect Steam users:

sudo flatpak override io.github.Faugus.faugus-launcher --filesystem=~/.var/app/com.valvesoftware.Steam/.steam/steam/userdata/

Allow Steam to run Faugus Launcher's shortcuts:

sudo flatpak override com.valvesoftware.Steam --talk-name=org.freedesktop.Flatpak

Allow Steam to see the game's icon:

sudo flatpak override com.valvesoftware.Steam --filesystem=~/.var/app/io.github.Faugus.faugus-launcher/config/faugus-launcher/

Known issues:

• The 'stop' button won't close games/apps
• Gamescope doesn't work
• It may not use the system theme in some DEs