It's quite funny, because this page accidentally serves as a list of open source ports for gaming on Linux too. I used to look for ports of games I had played as a child (even for windows, because they sometimes no longer work there), and never got any global headquarters on games' ports (like the winehq db for example, which is another chapter of pain and sorrow to run them on linux)
I would like Linux to be "the" home for gaming. With those other 2 OS'es as "also supported on"'s.
I think it's almost necessary that gaming's home needs to be on an open-source OS, where people make things work because they love to, not (necessarily) because they're paid to.
I have already encountered games that no longer run on Windows but run fine (great even) on Proton.
I wish Apple wasn't locking down their PC platform so much. I mean, Asahi exists, but they are given ZERO assistance except for what is essentially "Apple holding the door open for that and similar projects". Which can close at any time. Which is a serious problem (reminiscent of the ZFS situation with Oracle).
I doubt that it will ever happen, studios targeting Android/Linux with the NDK don't bother with GNU/Linux as customer base, due to additional QA costs for little benefit.
Then there is the whole culture clash between FOSS and the way games industry sees IP, NDAs and the proprietary tooling that gives a game that edge over the competition.
Yeah I'm not sure how many ports have a Mac build but no Windows build but generally I find that most of these have a Windows port because everyone has Windows, a Linux port because anyone with a spare PC can run Linux, but no Mac build because either no one on the team has a Mac or "the person who did the Mac build left/disappeared" so I'm trying to be that person for everyone, to some extent.
But yeah if it can run on the Mac it can run on Linux and probably does. There's a few cases where it doesn't go the other way (Skin Deep uses OpenGL 4.3 and the Mac stopped at OpenGL 4.1, that sort of thing)
