Rovio recently released an update for Angry Birds Go! at the Windows Phone Store. This update v1.6 comes with holiday themed content like new holiday themed kart, new levels and more.
HAPPY HOLIDAYS! We’re sharing the holiday cheer with a FREE HOLIDAY-THEMED KART – Santa’s Sleigh! The kart is available for free in the extra Christmasy Sub-Zero levels, so update now and hit the slopes! See you at the finish line!
Download the free update here from Windows Phone Store.