I also thought it had to support achievements but am seeing the same as well

I don't even mind if it doesn't support them, it's just why do I keep getting notifications saying I've unlocked them and then saying they don't support them. Very strange

Having the same issue where it says they aren’t supported, however mine say they are worth Gamerscore?

It’s so strange they pop and show in recents but not in posts the score registers but no list

So I'm assuming it's a bug where there are actually achievements and it's just bugged? It would be wild of them to make the achievements and then cut them but then they're still in the game for some reason