The issue is the rendering engine monopoly. Apple and Microsoft browsers as well as chromium all use chrome rendering engine making them basically the same browser under the hood.

It’s not yet working well with NVIDIA proprietary drivers

I am surprised Factorio has not been cited yet. This game is addictive!

I have this exact GPU and can game everyday on my Linux computer with very good performance, so I am not worried for you, you will find a way to fix it. I don’t know about this game in particular but for each game I install, I always check protondb website for other user experience on the game and copy past the commands other users recommend. Then I paste the command in steam settings for the game. Moreover I use feral gamemode which helps improving performances, and proton ge.

P