Main player, astronaut Charlie is set to investigate strange activity on the moon. Source of this activity is black monolith which is broadcasting mysterious signals.
Protagonist is sent to the moon caverns with the objective of discovering eight crystals and finding the monolith.
It is a classic side-scrolling game with few types of enemies - harmful and non-harmful. Charlie can jump very high, have to avoid other astronauts which will steal the crystals and use lunar moles to dig nev cavern areas.