Decades ago, a yellow sand swept across the world. From then on, both the vast ocean and the towering snow-capped mountains have become boundless deserts. The sky cannot be observed, and the navigation system has completely failed. Humans can only use the most primitive methods to explore the mysterious land of yellow sand step by step. What's in the sand? And what happened in the world outside the wind and sand...
Purpose: Explore the mysteries of the world