A horizontal side scrolling shooter with a unique boss and wide special weapons. It has a variety of weapons in which each has its own characteristics and specialties.
Survive as long as possible by building the most efficient line of defense. Eliminate the bad guys from attacking your home base. There are also several different game modes available.
Mutants infected by swine flu are monsters who kill people. The president decides to isolate them to one district and you are appointed to kill them all.
Once again, conquer the world and one of the new features in this sequel is the alliances in which you can control them to attack various parts of the world.
