There's a bit of drama going on with the popular game manager Lutris right now, with users pointing out the developer using AI generated code via Claude.
Steam for literally everything else: add the .exe as a non-Steam game, find it in your library, go into its properties, set Compatibility > Force Compatibility Mode > Proton Experimental.
Heroic and Steam.
Heroic for GOG and Epic games.
Steam for literally everything else: add the .exe as a non-Steam game, find it in your library, go into its properties, set Compatibility > Force Compatibility Mode > Proton Experimental.
I liked Lutris for Battle.net games like Diablo.
Heroic can add games to Steam for you.