Global Cataclysm: Encountering Aliens at the Beginning

In 2030, Blue Star is attacked by a meteorite, human civilization collapses, and global biology undergoes catastrophe. A hundred years after the disaster, humans can only live in underground cities Scavenger Zhen Jian encounters aliens in the ruins. "You are the new leader of mankind!" "Haha!!! Believe it or not!" After the underground city collapsed, Zhen Jian builds mechas and repairs battleships Destroy the monsters in the disaster and rebuild the Blue Star civilization system Break out of the earth and head into the deeper universe! ! ! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.