Hi,

it works relative good on Steam deck, only need to do a few things:
1) Install protontricks (how you can check for example here: https://pimylifeup.com/steam-deck-protontricks/
2) Install in protontricks: d3dx9_42, d3dx9_43, faudio and xact
3) Download custom proton GE (latest version, how to install is for example here: https://www.rockpapershotgun.com/how-to-install-proton-ge-on-the-steam-deck
4) Force use for running game new installed that GE proton ( set in steam library… also you can see in previous url)
5) Run game 😊