As soon as Grandpa Pecos determined to share a key with his grand son? there’s a hidden prize hidden somewhere on the former mine. Yet there’s one problem. The treasure lies very deep underground at a deepness of more than 100 yards! Then the grandson considered his pal, the Mad Miner. He’s the just one to get points done. Your job is to dig deeper and deeper until you locate the prize. It’s not as straightforward as it seems. The oxygen goes out with every descent, you need to draw out minerals to enhance your equipment and tools along with to purchase explosives as well as dynamite to make the descent much faster.