May 23, 2012 03:57 PM EDT | By Althea Benloss
If you think Rovio is running out of ideas for their "Angry Birds" franchise, think again. This strategy puzzle and petrary physics game has sold endless copies and announced its one billionth download across all platforms, two weeks ago. It is a successful franchise and offers four different versions of the game. Adding to its success, Facebook has just welcomed the franchise on its platform, with the new game called: "Angry Birds Friends."
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Earlier this year, "Angry Birds Friends" was launched in beta. The version for Facebook provides new competitive levels every week, and during these tournaments players are able to earn power-ups for their results. So, the better you play, the greater the reward.
Check out the official launch trailer below:
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