We've dug too deeply and too greedily! Our underground gem harvesting operation has been overrun by strange lumbering rock beasts. You've been sent to deal with the beasts that have invaded our company operations and bring back as many gems as you can.

With your trusty shovel (and more weapons), do your best to dive down into the depths repeatedly, each time grabbing as many gems as you can before being whisked back up to the surface where you can upgrade yourself to make subsequent dives into the depths easier.

The depths are procedurally generated (ish), and you'll spawn at different points and get a different experience each time. Sometimes, some paths will be accessible and other times, they won't. Sometimes, there will be rewards... and at other times, ambushes! Be on your guard!