File:Angry Birds Birdday Party Secret Cake Achievement Walkthrough Birthday Party

Note: This video is best watched on non-mobile devices in order to read the annotations for guidance.

This walkthrough tutorial shows you how to unlock the Secret Cake achievement in Angry Birds Birdday Party (Birthday Party). Visit http://www.AngryBirdsNest.com for more Angry Birds walkthroughs, news, user submitted strategies, and interactive leaderboards!

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