Christmas Advent Calendar is a Treasure Hunter promotion running from 1 December 2017 to 25 December 2017. During this promotion different prizes are available to be won from Treasure Hunter each day. Players can also claim one free item each day from the Advent Calendar. Players can retrieve any items they may have missed during December up until the first update of 2018 on 9 January 2018. To access the Advent Calendar, the default keybind button is F5. When claiming a prize, the message: Your advent present has been added to your backpack. is given.