Angry Birds 3 stars level 21-13 Tips and Strategies
By: Rovio Entertainment
This video walkthrough demonstrates how to beat 3 stars level 21-13 without any power ups. Uploaded on Mutare Hawk official channel at April 19, 2013.
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3 stars level 21-13 Questions
Questions related to 3 stars level 21-13 of Angry Birds iPhone game.