Mystery Stone from Heaven is a decoding and exploration game. Player would act as a prehistoric archaeologist. In 2008, he excavated a shinning fragment in Shuidongou. After researching historical document, he got to know this stone consist three parts and its name is ‘Po’. He traversed to Shuidonggou Canyon which existed in 40,000 years ago. Furthermore, he found that this canyon was made by a huge maze. In this journey, you would meet lots prehistoric animals, learnt skills from stone age, collect the skeletons of an elegant princess and know about the secret about this stone. After got the second stone fragment, player would pass through the Great Wall in Ming dynasty and seek the last fragment of stone.