Nuclear wastewater leaks, meteorites arrive, and the countdown to the end of the world begins in thirty days. Xiao Feng, a student at Yanjing University, is trapped in an abandoned chemical factory, lacking supplies and approaching mutant creatures. I accidentally got a god-level shelter system, which can build defenses, upgrade technology, and reserve resources. Fifty machine gun towers were built in an instant, and the alloy gate sealed the base. While others struggled to survive, he had built a steel fortress. The water purification device is activated, the underground farm is seeded, and the gravity training room is opened. When shelters around the world fell one after another, his base was impregnable. By mastering the system and working step by step, we will eventually build an ark of inter-dimensional civilization and preserve the last fire of mankind.
