The Invisible Maze is a combination of different themed locations you must travel through in order to get the Invisible effect. It is accessible from the Bowling Zone.
Features
When you first enter, you will be transported to a dark area with invisible walls that you can only see if you use the Rainbow effect. When you find your way to the end of this maze and interact with the purple and yellow tree-like object, you will be teleported to an outlook with a girl standing on her own. If you use the
Chainsaw effect on her, the scene will darken. If you go back to the tree, the maze walls should now be visible without having to use the Rainbow effect. When you go back to where you first entered the dark maze, you will be transported to a monochrome area with Yukata. Here you have to travel in the direction he is facing for a short while until you are transported to a new area in space. From here, you can travel around the spiral on the white squares to where the purple Urotsuki silhouette is standing. Interact with it to get the Invisible
effect.