alt Hacker Newsif you have a steam account, and you open it on Linux most of your games will be present to be played. Most of them will just work. Those that don't you can look up details on protondb.com.
as mentioned above if you play any competitive games that come with anti-cheat features, then you won't be able to join in the fun. So if you don't care about those games, you'll be fine.
> if you play any competitive games that come with anti-cheat features, then you won't be able to join in the fun.
I'd say it's a majority of games that won't work if they require anti-cheat, but some will.