Most games I play work on Proton. It’s Destiny 2 that will get your account banned if you use Linux. I’ve invested too much time at this point to risk a ban, so I’ll need to wait until I finish the last DLC before I switch. I’ve run Suse and Redhat in the past, but the last time I attempted to game on Linux was Team Fortress 2. Based on my experience with SteamDeck, it wouldn’t be hard to get most games up and running.