The world is in danger! A new plague is coming right away! You need to shoot down all viruses and survive from the bio, expecially the big boss! Virus army is coming and be alert! Get ready and aim the enemy, hold to control and shoot, and complete your mission of survival! How long can you survive in this viral-hazard? Let's join in the shooting game and try it out! Kill the viruses, To be a hero! Come to choose a plant to fire!