Dig to the center of the asteroid and claim its heart! As you manage your dwarves and maintain their oxygen, avoid the creeping acid and find space gold to enhance your dwarves on their journey to the core.

Goal:
Mine the gem at the center of the asteroid.

Controls:
Left Click - Selects a dwarf & selects a tile for him to mine
Right Click - Builds a wall on an empty tile

Note:
Space Gold improves mining and wall building times. (Just to clarify)