Angry Birds level 15-21 tips
By: Rovio Entertainment
This video walkthrough demonstrates how to beat level 15-21 without any power ups. Uploaded on Theeta Khan official channel at April 16, 2013.
Still need help to finish Angry Birds level 15-21?
I will update this post with more tips and tricks, so please bookmark this page and keep on checking in!
If you have any questions, feel free to ask for extra help in the comments section.
Hit like if this helped you!
Visit Angry Birds walkthrough page for level videos, tutorials, cheats and more.