Angry Birds is a game for the iOS and Android platforms. It has already made numerous records in both Apple App store and the Android market as the most downloaded game of all time. With more than 36 million downloads combined on both platforms, Angry Birds is a massive hit.
There are two versions off Angry birds. A free limited version and a paid full version.
There were rumors that, to celebrate Christmas Roxio would release a Christmas edition of Angry Birds. A Finnish TV station has confirmed that Angry birds Christmas edition is coming soon.
Update: Rovio has confirmed that it be available in December.