Join the Angry Birds as they celebrate unique seasonal events from around the world!Enjoy the addictive physics-based Angry Birds gameplay you love, but with an exciting seasonal twist. For the latest update, a lone slingshot rises to answer the Viking Pigs’ call for battle in a new advent style episode: Ragnahog!LATEST EPISODE: RagnahogPlay a new Viking-themed level from Dec. 1st through the 25th.– 25 new levels + 2 new Golden Egg Levels!– Terence’s Nordic cousin Tony visits for the holidays!– New quests and achievements!In addition to the Ragnahog chapter, download and enjoy:- 31 THEMED EPISODES (plus cool bonus stuff)!- 925+ LEVELS of pig-popping action!- UNIQUE POWER-UPS that give you the edge in tricky levels!- SURPRISE EGGS! Collect Four Stars (yes. FOUR!) in four hand picked classic levels during the week and hatch a surprise egg full of prizes just in time for The Pig Challenge!- THE PIG CHALLENGE! Unique weekend tournaments where you and your friends can see who's the best bird flinger! It's like Pig Days, but with friends!With over 2 billion downloads, Angry Birds is the most popular mobile game series of all time. Join the global phenomenon!