Hello Ellandor,
that sounds interesting! I'll have a look into that.
However, I will
not buy D:OS2 when Larian treats me - a customer (D:OS1-EE Linux) - like a pain in the ass when I'm asking if they made a decision about a Linux port. I can not explain this other than that there will (anyways) not be a Linux port and that they got annoyed about people asking…
I have some games that do not run well (or at all) with 'plain' Wine so Proton might help in those cases. There is an ebuild (kind of "install script" being part of a repository) for Gentoo GNU/Linux regarding Lutris
https://gpo.zugaina.org/games-util/lutris (by Gentoo) and another for Proton
https://gpo.zugaina.org/app-emulation/wine-proton (in a custom repository).