far as I’ve heard, Mint can be iffy fhen it comes to games, mostly because they use an outdated kernel. I can also recommend something like Endeavor if the gamer in question has any knack for tech, or Nobara, which is made specifically for gaming by GloriousEgg, maintainer of ProtonGE
I’ve been using Niri with
Xwayland-satellite
lately, and it works as a charm. it works out of the box, and you simply run it in background, and launch your X programs withDISPLAY=:0