The game of survival and the test of human nature under extreme climate disasters. When the rules of modern civilization collapse, the collision and blending of scientific rationality and survival instincts. An asteroid impact triggers a super volcano eruption, and stratospheric volcanic ash blocks the sun. The government initiates a three-level emergency response. After 48 hours, the entire country is disconnected from the Internet. A large-scale supermarket rush broke out at the 72nd hour.
