Imo you should get a System76 computer, it comes with a gaming focused Distro and its the most well respected Linux brand (in the US, for EU I would reccomend Tuxedo). Their mini PCs cost $799 and for a decent full sized PC (with a GPU) prepare to pay over $1.5k.

Penguin, I want to see a penguin wearing thigh highs and an arch linux shirt :3

Manul

Manul

I use GraphineOS on my Pixel 7 and even I feel penalized for caring about my privacy. Its absolutely nonsense, not everything needs an app.

Debian is the best distro for newbies, it may require setup and reading some documentation but afterwards you get a stable distro.

There are decentralized MMOs but I dont belive any of them federate