Try out Luxtorpeda, a Steam Play tool to run games in native game engines
There's quite a few games available on Steam that either don't support Linux, or do support Linux but like the Windows release there's a better way to run it perhaps with an open source game engine. Luxtorpeda will help with that.
How to setup OpenMW for modern Morrowind on Linux / SteamOS and Steam Deck
How to install Hollow Knight: Silksong mods on Linux, SteamOS and Steam Deck