▶1, Choose a bird to fly , use it to fly through the pipes.
▶2, Make your bird fly.
▶3, Game center function is optimized better, your score, your playing times, your coins will all be in record.
▶4, You can collect gold coins. These coins can be used to buy birds life.
▶5, There are moving pipes and they makes this game more challenging.
Attention:the faster and sharp mouth bird appear must the black bird get at least five coins!
Enjoy!