I am counting Proton games because they very explicitly are supported by sufficient Vulkan coverage. In case you weren't paying attention that's kinda the only reason anyone cares about Apple Silicon getting Vulkan 1.3 coverage in the first place.
> when it's easy to get a more extensive list that is around ~250 games total.
You're right, when we push it out to 1000 titles it gets closer to 80% playable: https://www.protondb.com/dashboard
> Of which, a massive percentage are based on engines that have Metal support as well.
...yeah, you keep telling yourself that. One day, they'll definitely flip the switch on MacOS support. Certainly.