The 2012, a terrible variation is happening......Being a survivor in this dangerous and ruthless world, you face the endless zombies, but what's worse is the mystery behind all of this. In 2012, the sun activate abnormally, the earth's interior energy balance system facing collapse. Maya prophecy proved to be true,and the human are facing vanish from the earth. The biological weapons in many countries have leaked. The victims of these biochemical weapons gradually became zombies and constantly attacked the survivors. People attacked by zombies are also infected by the virus and become new zombies. Life is full of panic. In such circumstances, as a former contract killer, you decide to stand up and resist the vicious zombies attack to save humanity! Source: The Developer Website.