Guarding the sanctuary

The world are zombie virus outbreak uninfected people fled to the isolated area, where there is a lot like you Warriors pay the price of blood to rescue a sense of justice more fled to quarantine the edge of the poor people, but those Evil disgusting zombie plague brought to the edge of the area of ??separation, the situation is very crisis, and you are a very Experienced gunner, equipped to quarantine the only cannon guards the only Pure Land. . . Use the mouse to aim. Left click to fire. Move the mouse further away from the cannon to increase the power.

Use the mouse to aim. Left click to fire. nMove the mouse further away from the cannon to increase the power.