[Apocalypse + Rebirth + Space + Hoarding + Decisive Killing] In the ten years of the apocalypse, I struggled like a dog. In the end, I was stabbed to death by my best brother for a piece of moldy bread. I watched my sister die tragically in the tide of corpses. Resurrecting my life, going back to a month before the apocalypse, I activated the [Unlimited Upgraded Safe House]! The space is infinite, and black technology blueprints can be unlocked! In this life, I no longer trust anyone! Stock up on tens of billions of goods and be armed to the teeth! While others were struggling for survival, I was already eating hot pot and singing songs in the safe house; while they were still using steel pipes to fight zombies, my mecha army had already flattened the wasteland!