I managed to run Balatro on a Trimui Brick on a very minimalist Linux distro, steamos should be easy.
It's now on Portmaster if anyone is curious -
https://portmaster.games/detail.html?name=balatro
That's rad!
Getting it to run in KDE was straightforward. I've gotta figure out why it instacrashes in SteamOS game mode.
It's now on Portmaster if anyone is curious -
https://portmaster.games/detail.html?name=balatro