Monsters are invading your city! There is a whole army of them, and if someone doesn’t stand up for one’s home, it’s going to be completely destroyed. Will you become the hero that boldly plunges into the battle, no matter how desperate it may seem? If so, keep your guns at the ready cause you’ll have to pull the trigger non-stop! As you deal with waves of enemies, you will be able to upgrade your weapons and reach a truly impressive lethal level!