General Lectus wants to rule the world with genetically enhanced soldiers! The general has a team or scientists develop a serum to make the human body perform to it's maximum potential. In the rush and demands for the serum something went horribly wrong and all of the test subjects went crazy and became contagious to normal healthy humans... the virus has begun to spread. Your sister was one of the scientists and you need rescue her. Travel through the streets and beat down the zombies that rise up. Keep all of the other civilians safe and out of harms reach. Collect the items and money bags to gain cash to use in the shop to by new weapons to bash in some zombie heads.