I also only game on my home PC and I’ve been using it for over a year now with Linux. I play CS 2, WOWS and Battletech mainly but check protondb.com for your games. My kids are also using Linux and they also were able to play everything they wanted.

There are a few AAA games with cheat protection that won’t work. Other than that: It’s awesome and you feel the freedom instantly!

Install Linux and take a look at https://runtipi.io/ It allows you to easily install docker container for everything you need and keep them updated.