In the year 2570, a sudden global disaster struck. A mysterious virus has swept the world in just a few weeks. The infected people will quickly lose their minds and become violent and extremely aggressive, known as "zombie". At the same time, along with the virus came various natural disasters, earthquakes, tsunamis, and volcanic eruptions occurred frequently, cities were destroyed, human civilization suffered heavy losses, and the world fell into chaos and despair. The survivors struggled to survive and struggled in the apocalypse.
