I would like to play the GMDX mod for Deus Ex. Deus Ex is installed from Steam and runs fine through Proton 5. Installing GMDX is done by running it’s .exe installer in the same wineprefix (I think), but since everything is flatpak’ed in Endless OS, I can’t really figure out how to do that.
I have tried installing Protontricks, because it seems to be able to do the job. But when I run it with “flatpak run com.valvesoftware.Steam.Utility.protontricks”, I get the error “bwrap: execvp /bin/sh: No such file or directory”, so I can’t do anything with it.