The mutated virus triggered a fierce artillery battle. Viruses continue to mutate, and various types of viruses are becoming more and more complex, their individuals are getting larger, and their vitality is becoming more and more tenacious. Intensive artillery fire and an astonishing rate of fire are the only ways to suppress it. The powerful virus requires sufficient firepower coverage to eliminate it.
Click the screen to launch cannonballs to attack viruses. Click quickly to fire quickly. Upgrade the rate of fire and firepower to strengthen your attack capabilities. The higher the level, the stronger the firepower, and the faster the virus can be eliminated. Different virus forms, advanced artillery types, and intensive firepower shooting in the game add different combat fun to the game.

--The game starts immediately, simple games can be played quickly, and the rhythm can be mastered with one hand.