Set in the year 3002, gold and gem resources become a hot trend after a man discovers a lump of gold in a riverbed by accident. As a result of this news, individuals all over the world hurried to investigate the underground in every part of the globe in the hope of finding a life-changing opportunity. The game's protagonists are sensitive to this tendency and begin their exploration. Traveling to five different lands which are not only famous for their riches and products, but also for their dangers. When mining on specific terrains, innovators' tools, and machinery can maximize efficiency. Joining in the competition to gather the most resources in the hopes of transforming people's lives in the future.