Rebirth at the End of the World: My Refuge Is Infinitely Upgraded

Lin Ye struggled for ten years in the apocalypse, but was eventually pushed into a tide of corpses by his brothers and died tragically. When he opened his eyes again, he returned to the 24 hours before the apocalypse! Regrets from the past life will be made up for in this life; grudges from the past life will be paid for with blood in this life! With the help of his reborn memory, he frantically hoarded supplies to seize the opportunity and headed straight to the safest abandoned air-raid shelter known in his previous life. However, the beginning is on hell difficulty - zombies are waiting outside the cave. In a desperate situation, the [Shelter Creator System] is accidentally activated! You will be rewarded with black technology weapons at the beginning to kill powerful enemies! But the system task is extremely demanding: recruit 10 survivors within 24 hours! Time was running out, and Lin Ye had to take the risk. Among the survivors rescued, there are actually genius scientists who possess key technologies for the apocalypse? Absorb members, upgrade the shelter, and unlock the black technology blueprint! From simple stone walls to automatic defense turrets, from underground plantations to genetic modification laboratories... His shelter has become the brightest light of miracles in the apocalypse, attracting countless survivors to take refuge, and also attracting the greedy peeks of all forces. But Lin Ye's goal is not just a corner. In this life, he will be the mastermind behind the chess game, build the strongest doomsday fortress, conquer all directions, and uncover the ultimate mystery of the coming apocalypse! While other survivors are still struggling for a piece of bread, his shelter has begun mass-producing supernatural warriors... "Welcome to the Rock Shelter. Here, I have the final say."