In that case, please give Lutris a solid look. It's a great app that eases the pain of installing games via WINE (and makes it easy to install particular versions of WINE on a per game basis).
It's how I run my GOG games on Pop OS.
It's how I run my GOG games on Pop OS.
TBH i do not think things are completely unsolvable, it is just that i wish Proton, etc wasn't tied to Steam.