Horror Doomsday System

Wang Ren, an orphan with no money, no house and no food, accidentally obtains the Doomsday System. With the outbreak of the biochemical crisis, he relies on the Doomsday System to step up step by step, build an immortal dynasty of survivors, fight zombies, and kill mutant creatures. When Wang Ren takes back the lost land of all mankind, he finds out that this is a conspiracy, a conspiracy of aliens to invade the earth. Should he compromise or fight back?