Ombru-Sphere is the 15th and final main course of Super Mario 74 and requires a whopping 95 stars to enter the door. Just like the past two levels, the door is found atop the temple in Overworld 3. The level is similar to Luminum-Sphere, except everything is the exact opposite. Ombru-Sphere is a darker version of the mechanical temple. The castle was shifted corrected in the previous level, this time the castle is flipped upside-down. In addition, the Kubus of light is replaced by the Kubus of Darkness, which produces all the darkness in all video games ever. The music is also an altered version of the same theme. Before the release of Super Mario 74 Extreme Edition and Star Revenge: Night of Doom, this course was considered the hardest course of any Mario hack out there, mostly because of