Underneath the seemingly ordinary surface of the mining area, there are countless precious gems hidden, attracting numerous gold miners to come and explore. To excavate these gems, the miners operate powerful drilling excavators that can easily penetrate through underground rocks and extract the valuable jewels. Each excavation is an adventure, as the underground is filled with unknown dangers and challenges, and only the brave miners can successfully obtain the treasure. The unearthed gems can be exchanged for valuable gold coins, which can be used to upgrade the excavator and improve the mining efficiency, allowing the adventurers to discover the gems faster. With the continuous upgrading of the excavator, the explorers will delve deeper into the underground world of the mining area, uncovering even more precious gems, and becoming the legendary kings of the mine.