Global Cataclysm: Can I Upgrade the Doomsday Safe House?

Blue Star is shrouded in the shadow of disaster, and humans are trudging through the ruins to face the test of life and death! The world is frozen, monstrous floods, world-destroying meteorites, terrifying aliens, deadly acid rain... In order to survive, everyone must accept one round of natural disasters after another. Fortunately, Fang Nong has awakened the doomsday survival system. As long as he has enough survival points, he can upgrade the safe house infinitely! [Fruit knife→Stainless steel dagger→Titanium alloy dagger→....] [Iron door→steel security door→alloy explosion-proof door→....] [Household solar panels→Industrial solar panels→Solar power station→....] Many years later, when mankind faced a higher level of cosmic disaster, Fang Nong's name had spread to every corner of Blue Star. "What? The next natural disaster will cover the entire solar system?!" "Don't panic, Fang Shen will take our Blue Star to wander in other super galaxy clusters!" "Fang Shen is awesome! I want to give birth to a monkey for Fang Shen!" "This man covets the gods, get out of the way and let me wake him up!"