Ubuntu.
I jumped from Ubuntu to Fedora to Netrunner to Arch to Gentoo to Mint then back to Ubuntu.
Did I regret it? Nah, I learned alot with my adventure but these days I just prefer the common distro denominator. Although to be fair my Ubuntu isn’t exactly a vanilla Ubuntu as I did add some changes I see fit.
Linux always had software that has anti-cheat. First one I can think off that is both a native Linux application and has anti-cheat is Tibia. Aside from that are Valve games. I am sure there are plenty of others too aside from those that opened up through Proton/Wine.
What we don’t have is kernel level anti-cheat and honestly I would rather stay away from games that deploy it than allow such software running in my computer.