When the disaster strikes, everyone is transported to a wasteland world, facing the challenge of survival! Terrifying acid rain, devastating floods, burning skies, global ice ages, and extreme radiation—no one can escape! To survive, humans must build shelters and endure wave after wave of natural disasters. Fortunately, Su Mo has awakened the End-of-the-World Survival System! His shelter can be upgraded infinitely! From wooden doors to iron gates, alloy doors, wooden spears, oak spears, electromagnetic spears, diesel generators, biological generators, and thermal generators—while everyone is scrambling to prepare for the next disaster, Su Mo is fully equipped and dominating the wasteland world. ‘We’re still using oil lamps, while he’s already using refrigerators!’ ‘His shelter is said to have walls that are...’