Steam play with non steam games


Has anyone managed to run a non steam game with steam play on NixOS yet? I tried a Windows only game I had bought on GOG with no luck. Haven’t had a chance to dig in yet to figure out the issue, but was curious if anyone had any success yet?

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I have run the Windows version of Sonic Mania using Steam Play on NixOS. Worked great.

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I got the GoG version of No Man’s Sky to work perfectly with this:

export STEAM_COMPAT_DATA_PATH=~/.steam/steam/steamapps/compatdata/
cd ~/.steam/steam/steamapps/common/Proton\ 3.7
steam-run ./proton run ~/Downloads/setup_no_mans_sky_44233_main_(25842).exe
steam-run ./proton run ~/.local/share/Steam/steamapps/compatdata/pfx/drive_c/GOG\ Games/No\ Man\'s\ Sky/Binaries/NMS.exe

No luck adding it to the steam launcher yet, but just made a script that does that for me.


PlayOnLinux plans to support proton in the next weeks.



Can’t say I’ve ever gotten PlayOnLinux to work, given that it downloads arbitrary wine binaries that won’t run on NixOS.