Apocalyptic Survival Battle

The X virus swept the world. In just one week, less than 10% of the world's population remained. Zombies, Zerg, Orcs, and marine monsters arrived one after another. In order to ensure the continuation of human civilization, governments around the world are building survival bases. On the day of the end of the world, college student Chen Guohan dreamed of the world three years later. In this era where there is no system, no superpowers, and no natural abilities. Let's see how he uses the knowledge from a notebook to lead mankind towards revival! Etc! I'm not a good person, I just want to protect my family, brothers, and pick up girls. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.