Aliens from space are attacking! Control your ship to pop all the enemies that get in your way. But be careful, they spawn more little alien when they die. How many enemies can you pop?
来自太空的外星人正在进攻!控制您的飞船,将所有妨碍您前进的敌人扑灭。但是要小心,它们死后会产出更多的小外星人。你可以弹出几个敌人?