Special Squad vs Zombies

A strange toxin has entered the city and almost all people in the city were transformed into the Zombies. The Zombies are very ferocious and they can destroy everything that prevents them. There is only one change to save the city, it is the Special Squad. The Special Squad have elite and brave soldiers. Each soldier has different weapon type, constitute a strong team can defeat everything. So now, lets lead you Special Squad to kill the Zombies and save the city. Besides, you also have the diff...