Clash of Birds: Evolution

Clash of birds is a bird shooting game FULL OF ACTION !
Some birds are wanted to make revolution !!!
Your mission is simple, but not easy, you must protect the pipe by shooting the birds.
Kill a bird give you some golds , but you will spend 1 gold for one shot , so dont miss.
There are 4 types of birds
NORMAL BIRD: 1HP, speed NORMAL, 1 gold bonus
HARD BIRD: 3HP, speed NORMAL, 4 gold bonus
SMALL BIRD: 2HP, speed FAST, 3 gold bonus
GIANT BIRD: 10HP, speed SLOW, 12 gold bonus

You can upgrade your HP and gold, buy more gold to continue playing.

So try to play see how much you shoot birds !