Doomsday Fortress

Novel Summary
Connect with dots and build foundations with fort. Returning from the world, Wang Yi knows the ferocity of zombies.
In order to survive in the last days, Wang Yi took his wife and his men, all the way to the north and flee to the end.
In order to live better in the apocalypse, Wang Yixing technology, melts ten thousand steel, builds a doomsday fortress, and resists zombies!
– Description from MTL