You are Rockford, and you have to dig through monster infested caves in search of diamonds. In each level, you must collect a certain number of these diamonds in order to open a portal to the next stage. Enemies can be squashed by falling boulders, which are released when the ground below them is removed or they are pushed onto empty ground. Be careful, though, because these can also squash you. In later levels, difficulty is increased by many puzzle elements and shorter time limits.

There are 16 levels to be completed and five different skill levels available, which affect the number of jewels which must be collected and the time limit.

nymx plays through the 16 levels on the highest skill set (Difficulty 5) in record time.