AD 2035, late autumn.
Kunlun Base, the last bastion of mankind, stands on the ruins of what was once the roof of the world. The towering alloy city walls were covered with scorch marks and huge claw marks, and the energy shield generator had long been overloaded and damaged, making a dying buzz. Outside the city wall is the endless "dark tide" - a sea of squirming, roaring monsters exuding corruption and radiation. The sky is an eternal leaden gray, so depressing that one can't breathe
