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A rebirth, a journey into the wilderness without an end. Players, please remember that the refuge hut is your key to successfully surviving the invasion!

The end of the world breaks out and disaster strikes. An intercontinental missile pierced the sky and bombarded the huge meteorite nine thousand meters above the ground! Earthquakes, tsunamis, radiation spikes, ice ages! Among the meteorite fragments, countless extraterrestrial creatures suddenly descended on the earth, making the world like hell! [Hello host, you have returned to the fifteen days before the disaster and triggered the god-level shelter system. Lest your safety be threatened, please carry out the task of upgrading the shelter as soon as possible! ] On this day, Zhang Xiaofan opened his eyes, opened the god-level shelter upgrade menu interface with his backhand, and murmured to himself. "The exoskeleton field soldier project has been launched, and the orbital airborne trooper technology should be almost completed tomorrow." "Oh, by the way, there are also defense facilities, photoion laser cannons are definitely indispensable, and hundreds of mechanical guards should also be built..."