Global Wasteland: Unlimited Upgrade Of Shelters

Global Wasteland: Infinite Upgrade of Shelters Introduction: As natural disasters strike, the whole nation traverses the wasteland world and faces the challenge of death and survival!Terrifying acid rain, raging floods, burning cities with flames, global glaciers, super radiationNo one can be spared!Human beings can only build shelters and accept the baptism of natural disasters one after another in order to survive.Fortunately, Sumo awakened the Doomsday Survival System!His shelter can be upgraded infinitely!Wooden door → Iron door → Alloy door →Wooden Spear → Wooden Spear → Electromagnetic Spear →Diesel generator → Biogenerator → Temperature difference generator →When everyone was rushing to prepare for the next disaster, Sumo was already fully equipped and roamed the wasteland world."We're still lighting the oil lamp, they're using their refrigerators!""He heard that the walls of his shelter are tens of meters thick, making it the safest place in the world.""In my lifetime, I want to enter the Su Shen Refuge and live there for a day."-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --