You don’t need to use steam to use wine and proton. I do this pretty much every day, playing games from GOG, or from itch.io. where you get the executable for the game doesn’t matter. I’m currently part way through a run of Baldur’s Gate 1 from GOG, and it’s a Windows executable.
You could set up a wine prefix manually, but there’s options like lutris, bottles, or play on Linux to handle that for you. I’ve played games from battle.net and ea app as well, all on linux by setting up proton in Lutris.
You don’t need to use steam to use wine and proton. I do this pretty much every day, playing games from GOG, or from itch.io. where you get the executable for the game doesn’t matter. I’m currently part way through a run of Baldur’s Gate 1 from GOG, and it’s a Windows executable. You could set up a wine prefix manually, but there’s options like lutris, bottles, or play on Linux to handle that for you. I’ve played games from battle.net and ea app as well, all on linux by setting up proton in Lutris.
Yes I know. That’s what I just said.
the 90% figure is for games on Steam