Angry Birds Christmas Edition will be a free App Update for those who bought Angry Birds Halloween for iPhone/iPod Touch/iPad, confirmed developer Rovio.
What’s even better, is the fact that it will be a free update.
Already Rovio has submitted the game to Apple for certification and it will include Game Center support!
Additionally, Rovio has confirmed that “several new birds are on the drawing board…” although it is unknown if these new characters will be introduced along with the Christmas update or not.
Via Touch Arcade