Sphynx% would be any% but you have to get the flying sphynx moon in metro post game and as well you would not have to do darker side because the sphynx their dose not give the player a moon

yes

I'm slightly confused, do you have to talk to all sphynxes or spot the sphynxes that give you moons. If so, would the treasure vault moon in sand kingdom count because it is behind the sphynx, not given directly. I think this would still be a good idea though. Yes

this is dumb, you said it's literally just any% but with the slightest change categories like this aren't good

Response to GameNerd607, Having to go out of your way to get moons that you normally wouldn't get in a normal Any% run can completely change a route. For example, The second sphynx moon in sand kingdom would mess up a route entirely. Like All Story Moons, It has a change that messes up a route.