Cepheus Protocol is a real-time strategy game where you are presented with a large open world so you have the opportunity to find zero patient. A terrible virus has taken over San Francisco, turning the inhabitants into bloodthirsty monsters. You have to lead a squad of fighters from the Center for Epidemic Research and Control, fighting in the streets of the infected city. The task is to find a zero infected in order to defeat the epidemic. The Pangu virus not only turns people into the living dead, causes terrible mutations. You will not only explore the city, but also defend your base from the raids of an angry horde. The virus is becoming more and more dangerous every minute.