Farming] + [Module] + [Zombie Fighting] + [Tower Defense] + [Slow Start]

This book is also known as "The Day of Doomsday", "Billions of Zombies, I Build a Super Fortress", "People in the Doomsday, I Summon the Big Sister of the 3D Zone", "Others Survive the Doomsday, I Survive the Doomsday"

…

All humans on Blue Star were dragged into a doomsday survival game and randomly assigned shelters.

Amidst a natural disaster of trillions of zombies, countless fortresses stand on the land, within the walls are islands of civilization, surrounded by a sea of rotting flesh and blood.

In the distant future, there is only endless war.

"Fortunately," Shen Lang waved his hand and a dark blue light curtain appeared.

“I opened it.”

All the games and mods he played in his previous life came back to him in the form of a mod manager!

While other players were still struggling, hoping for a piece of black bread, in Shen Lang's underground farm, MC-specific plants were harvested every day.

When other players worked themselves to death and finally got a vault dweller recruitment ticket, Shen Lang's room was almost full.

"Good fellow, I thought you were a cheater, but who knew you were actually a cheat wholesaler!"

…