I’ve used Arch, Pop_OS for gaming in the past, was looking for a distro that just works and doesn’t have any extra fluff or do anything nonstandard. (For example I don’t like that some programs will only update through the pop shop on pop os and not through the terminal.)
With Mesa compatible GPUs it’s objectively better to get Mesa updates ASAP and not wait for 6 or so months. The constant feature and performance improvements are especially crucial for gaming.
That’s if you use opensource drivers, good for AMD but not so much for NVIDIA.
Yes, that’s why I wrote “Mesa compatible GPUs”. NVidia and Linux don’t mix well.