Space I is the original Space Stage seen in Fighters of Lapis. It is an original stage, based off space. It takes place in an asteroid field of sorts, and is described as beautiful and serene. The platforms here are the asteroids, and is devoid of any hazards whatsoever. It is has been a stage in every Fighters of Lapis game.
It can be seen as the Final Destination or Battlefield of the Fighters of Lapis series.