Build on rooftops Construct buildings on rooftops to save space and gain strategic advantages, like shooting over walls to defend against threats, making it easier to take down zombies. Endless zombie hordes push you to the limit. The zombie horde never stops. They are too many. Research, develop advanced technology, and train survivors to combat the ever-growing and evolving undead threat. Adapt or be overrun. Grow, manage, and protect your settlement Create a secure haven where survivors can eat, sleep, and recover. Establish a steady supply of food and resources, and build an efficient crafting chain to support your frontline fighters.