😂 Well, at the beginning I was a bit lost and a friend played with me for like half an hour and then I knew the basics. After that you look things up that you want to know more about, but it’s not necessary to have the wiki open all the time. The game actually has a quite clear progression and hints on first playthrough.
Depends on what you are playing, but gaming in Linux has come a long way. Some games won’t work due to companies not enabling their (rootkit) “anti-cheats” for Linux, but other than that, there’s more and more games that simply work by the day. Check out https://www.protondb.com/ to get an idea of what’s working at the moment.