Proton is Valves fork of Wine with optimisations made specifically for playing games. Proton is built into Steam for linux and should "just work" with any game

Proton is Valves fork of Wine with optimisations made specifically for playing games. Proton is built into Steam for linux and should "just work" with any game purchased through Steam. It's also possible to use proton like standard Wine and run any Windows application outside of Steam.