tvOS – should GameCenter work without a plugin? (Unity 5.4.2.p2)

I’ve tried it with two projects (using same App ID which is also used by my iOS app which works fine with Game Center), I can authenticate, I can open the GameCenter UI but it always says no “data available“.

I know that in these days many things in Unity are broken, but before I go and buy a plugin it would be nice if someone could confirm that it is really not working. I would love to avoid using 3rd party code.

OK, the trick is add images and setup the leaderboards in Xcode.
Would be nice if Unity could make it more clear for Dummies like me.

I’ve read the manual before but what is written there sounds like the usual Apple blah blah restrictions when submitting for review.

This would make it much more clear: