Double Force简介

I'm flying shooter that uses the two planes alternately. Tip. When the gauge alternately by replacing the plane, please recover HP.   Select a myriad much you eat less items. items 1: 1 Can I upgrade missile eat the same thing once the item. Can I eat initialize another number. Item 2: Same as above Item 3: Same as above P Item: Can I upgrade power-ups bullet. Skull Item: Can I upgrade the power-down bullet down. Andoeyo eat. Coin Item: I can eat a lot of gold increased use of auxiliary gas. S Item: special moves activated. 我飞使用的两架飞机轮流射击。 提示。 当压力表交替通过更换飞机上，请恢复的HP。 选择一个无数多，你少吃的项目。 1项：1我能升级导弹都吃一样的东西，一旦该项目。我可以吃初始化另一个号码。 项目2：同上 项目3：同上 P项：我可以升级电源UPS子弹。 骷髅项目：我能升级掉电子弹下来。 Andoeyo吃。 硬币项：我可以吃大量的黄金增加使用的辅助气体。 S项目：特殊动作激活。