Wasteland Survival: Unlimited Shelter Upgrades

National SurvivalShelter UpgradeApocalypse Traveling through the wasteland world, facing the crisis of survival. Build your shelter and survive. [Simple wooden bow]>[European long bow]>[High strength compound bow] Wooden Door>Stone Door>Metal Door Continuously upgrade weapons, strengthen weapons, face more powerful threats, and obtain more resource support. Keep upgrading and expanding your shelter, starting from a 100-square-meter room to create the most powerful shelter.