Join Susumu and Anna as a mysterious outbreak of Blocks threaten the worlds existence. Armed with a mighty drill, dig deep through multi-colored blocks until reaching safety. Not all of the blocks will be breakable, but be careful that the blocks you break dont end falling on you, or cut off your air supply! Scramble to grab air capsules for a recharge, and youll be just fine to reach your goal. How deep can you dig underground? Drill to your hearts content in these three modes: Mission Driller, Endless Driller and Time Attack Driller!