Doomsday: My Technological Empire

A sudden virus plunged the world into a doomsday crisis, watching every living life around him turn into bloodthirsty zombies Just when I was desperate, I got the Technology Empire System Continuously unlocking technology Zombies**? Can you fight against my steel torrent? Behemoth, can you fight my mecha? While others are still worrying about fighting for food and resources, I have built water purification plants and food processing plants. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.