The Duff Beer Tree is a limited time decoration released on December 23, 2014 during Part 2 of the Christmas 2014 Event. It was automatically awarded to the player for logging in on December 25. If the player had Duffman, a short quest, A Very Brewery Christmas, began and the decoration was awarded upon its completion. It was released again as part of the Oktoberfest 2015 Promotion from October 2 to October 4 for ten Donuts, and the player would receive three donuts back from the purchase.