ah ok about the version, i thinked it was only about servers started before those halloween and I'm on fr2n that started after.
lua I'm pathologic about achievements...so I don't accept that they don't let us to achieve and improve them on other servers (level 4 is anvil, wall breaker is level 5)
More info around the new achievements in the Halloween Hunt
Some of the achievements earned on the Halloween hunt worlds are not yet fully visible in the normal game worlds.
But don't worry, they will be implemented properly in the next update of the game, so soon we will be able to display them properly.
i don't want to display i want be able to finish that i could not finish on halloween!!!!!!!!!