The only thing I did is forcing PlateUp! to use the Experimental Version of Proton because I made good experiences with it not because it was not working with other versions.

The gaming experience is exactly the same as it is on windows. Funnily enough: Two friends of mine (on windows) have the problem that the light indicator on the dishwasher isn't working. For me the problem isn't reproducible on Arch tho.

The multiplayer gaming also went flawless and withouth any tinkering needed