Luminum-sphere is the 14th main level in Super Mario 74 and requires 85 stars to access. Just like the level before it, it is located in one of the star doors atop the temple in Overworld 3. The "sphere" levels are all technically the same layout (including the two in Super Mario 74 Extreme Edition), though each one is flipped a different way. Since this is the first, the castle is positioned right side up. The level itself is, according to a sign, a "giant mechanical sky temple of light". The light caused by the sun is apparently due to the Kubus of Light, which is located near the center of the stage. This divine cube not only the source of energy for the sun in this game, but in "all video game suns in existence". These levels ("Spheres") have also been regarded as having a huge spike i