@abdorable2016Thanks for posting this bug report. I remember our conversation on IRC about this. Is it true that the native package of 0ad does not have the error messages, "Failed to set real-time priority for thread" in its log output?  Real-time priority tends to be associated with the "jack" audio system. Does supertux within the Flatpak sandbox have that error message in its output or logs? Do you have ONLY pipewire-pulse, and NOT for example pipewire-alsa or pipewire-jack, instal