方形鸟

Build your egg tower and pass the barriers, but beware! Keep it smooth, on the right timing and the right level. Touch the grass 3 times with perfect landing to reach the Square Bird Fever mode. 建造你的蛋塔并通过障碍物，但要注意！保持平稳，在正确的时间和正确的水平。完美着陆触摸草3次，达到Square Bird Fever模式。