Gem Miner from Psym Mobile is a strategy game that combines modern gameplay with some old school touches. You are a miner, exploring the underground to find ores and precious stones. Along the way you have to overcome many obstacles. The biggest challenges are the falling rocks and chasms. You also have to avoid getting trapped. You start with basic equipment, but you can make money from the ores and stones you uncover. You can use the cash to buy new equipment and dig deeper.