The world is in danger, began a third world war and only super bird can save the fragile peace. She has a super voice to do it.
5 levels of achievement (fly 25,000 meters and become the king):
Level 1 (5,000 m) - bronze
2 (10,000 m) - silver
3 (15,000 m) - gold medal
4 (20,000 m) - Sheriff
5 (25,000 m) - King
Destroy tanks, zeppelins and bombs. Save the world!