From OP’s post it sounded like they want simple / not tweaking their OS so they can focus on gaming.

ZorinOS or PopOS with nvidia drivers

Managed to get a matrix server up + a web client frontend hosted on same site for friend group .

3 container docker compose: continuwuity, tunnel, premade Cinny image with nginx serving frontend.

Great if you don’t care about voice, but if you do then you’ll need to host a TURN server on a VPS and connect home server to that.