Doomsday: My Base Can Evolve Infinitely!

On October 8, 2123, the end of Blue Star came. At first, the disaster was just a typhoon and a heavy rain. Until heavy rains flooded the earth, and extremely hot and cold weather came! Only then did people realize that the end was coming. Su Chen, who was working in North America, received a god-level shelter system when the apocalypse came. Upgrading the shelter requires a lot of steel. Therefore, Su Chen started stocking up in North America! Start upgrading the shelter and reach the pinnacle of life!