Angry Bird Counterattack : Those dad-blasted pigs have come back again! Their heart burned with longing for revenge. Angry bird fully sensed the danger of its position, but it never awaited its doom, it used its body as a weapon and launched a counterattack on the enemies. However it can't win without your help! Controls: Use mouse drag slingshot to adjust angle power, release mouse to launch bird, click bird icon below screen to choose different bird. Yellow one is normal; Black one can explode a large field and wood wall and mudwall; Red one can burn around; Blue one can lay eggs and eggs can hit pigs.