Defend Beijing description

In January 1644, the rebels, Li Zicheng, collusion bandits from various quarters, including its become sworn meaning brother blind swordsman, Vietnam avenger, Kong Youde firearms camps, Manchu cavalry and dries the mob, to overthrow Ming, scholar Xu Guangqi start time machine. Will you from the future into secular, assist Chongzhen through the crisis! Click on the "gun" button the purchase of city fire gun, then click again to turn red button to start the artillery, click the Chongzhen emperor's head and appointed generals Wen Chen, can be used after their skills.