Apocalypse Fortress: Building a Shelter to Conquer the Stars

When climate catastrophes obliterate the surface world, humanity teeters on extinction—but Su Wu has a plan. Armed with the Doomsday Survival System, he transforms a humble underground shelter into an ever-evolving technological marvel. From hydroponic gardens to exoskeleton armies, from mobile fortresses to interstellar warships, every upgrade brings him closer to his ultimate vision: rebuilding human civilization among the stars. Survival is just the beginning; dominance is the endgame.