Now, I know this has been mentioned a bunch, and the answer is always no, but I've got an idea. You can compare other players achievements if you're friends with them I believe. Is it possible for there to be some sort of Exophase account you have to friend request, and then you can be tracked? I don't know how possible this is, as I haven't had much experience with Apple Arcade and I don't know how Exophase intergration works. But I figure it's an interesting idea.