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6 months agoBazzite would be a great choice in my opinion. It’s meant for gaming, has drivers preinstalled and is immutable (basically impossible to break). I’d suggest using KDE because it’s Windows-like and is the default for desktop mode on SteamOS.
Yes, Manjaro is European. KDE is the same everywhere. IMO it is not stable, but that is just an opinion. I’m not sure how many people use it.
OpenSUSE is relatively beginner friendly. Leap is the stable, non-rolling release, and Tumbleweed is the rolling, less stable but still stable release; Leap’s packages can be old, so you may not have the newest KDE. For this reason, I’d recommend Tumbleweed. A fair amount of people use it.
I’d say use Fedora or switch to OpenSUSE Tumbleweed. Fedora is more stable and used more, but OpenSUSE is European.