The Bird Upgrade is the third chapter of Angry Pigs. Below is the list of levels. 


3-1: Red Bird's Upgrade

3-2: Meet Mustache Boomerang Bird

3-3: Meet Mustache Blue Bird

3-4: Meet Mustache Orange Bird

3-5: Meet Mustache Pink Bird

3-6: Mustache Bundle

3-7: Meet Mustache Big Bro

3-8: Unstoppable

3-9: Chain Reaction 2

3-10: Return of the Hypnotist: Part 1

3-11: Return of the Hypnotist: Part 2

3-12: Return of the Hypnotist: Part 3

3-13: The Hypnotist's Revenge

3-14: The Last Hypnotist Returns (boss)

3-15: Mustachio Birds


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