In the third year of Zombie Siege, human civilization has collapsed, the law of the jungle has become the only law, and exploitation and betrayal are everywhere. {Lin Feng} accidentally awakened the [Apocalyptic Infrastructure System] when being chased by predators. He unlocked the core of the safe zone at the beginning and was able to build invincible city walls, create black technology weapons, and cultivate high-yield grain fields! As a staunch reformer, he vowed to break the abnormal order - reject the monopoly of resources by the strong and promote fair distribution; abandon indifference and selfishness and establish a mutual aid system! Kill zombies to seize crystal cores, fight evil forces to seize supplies, recruit loyal brothers, and recruit stunning comrades! From an abandoned supermarket to a cross-city base, from a settlement of a hundred people to a global free country, Lin Feng used his iron fist to clear obstacles and used his wisdom to rekindle civilization! If you don't obey, you'll be beaten; if you dare to block the way, you'll be crushed! This is a post-apocalyptic novel that uses systems and reforms to create "everyone has food to eat and a safe place to live" in the wasteland!