You control a tribe of dwarves by giving them commands to dig in certain places, attack enemy creatures, and build houses and other structures,Each game level has many layers of earth to explore, from the sky down to boiling subterranean lava. One feature of the game is a user-friendly system of recipes for crafting.RTS - At the outset you find the recipes for basic tools and items, and build a small house with places to sleep and eat.Especially dangerous are the waves of monsters that appear from time to time from portals.