Global Disaster: I Have a God-Level Shelter

Global catastrophe: meteorites fall, volcanoes erupt, glaciers cover, the earth's core is in turmoil, and underground alien beasts sweep across mankind... Don't panic, the god-level shelter system has been activated. The shelter not only has an agricultural base for planting and breeding, but also a scientific research base to manufacture various combat robots. At this moment, follow me and lead an army of millions of robots to counterattack the alien beasts and march into the sea of ​​stars.