Angry Birds Mighty Hoax Walkthrough Level 4-21
The aim of the first angry bird at the upper vertical boulder. I can not do much damage, but will begin to tilt the structure.
The objective of the second angry bird at the same point as the last bird of the inclination of the structure a little more.
The aim of the third angry bird in the same place and it will break through the tower and the cause of collapse and break three pigs.
The goal of the fourth bird at a difficult angle (right at the top of the helmet) in order to obtain the last four pigs.

Video walkthrough for Mighty Hoax Walkthrough Level 4-21
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Category: Mighty Hoax Theme 4
