You play a robot who can move up, down, left and right, through levels with gems, boulders, bombs, and other objects are suspended in a mesh. You must tunnel a path through the mesh to get to the gems, and rearrange the boulders, or drop the bombs to gain access to areas behind walls. All gems must be collected in order to reach the next level, and you must avoid being crushed or trapped by boulders, or destroying yourself or the exit with explosives.