This game consists of ten levels with different complication. Levels are passing in serial order, next will be able after passing previous. Levels are different on machines count, each type of bonuses count and stones count.
Goal of every level – to reach full rating in progress bar that is visible in top side of the screen. For this you just control drilling machines that drill ground a lot and a lot. Drag aiming arrow to set machine’s direction, avoid stones and falling other machines in trenches.