certain effects."Hell" is the name commonly given to one of the largest areas in the game, also known as the "Red Maze". It contains several links to other places via red blocks, as well as a few areas not reachable by any other means. Its exploration is necessary for
This is one of the few places you can get a "Heart" and links to many maps. Oftentimes maps leading here have Toriningen blocking the way. Madotsuki's ghost is located in another red maze area, but this area is not connected to the larger Hell.
- A red one-eyed monster can be found in the middle of the maze. If stabbed, there's a 1 in 256 chance that Madotsuki will be transported to the footprint path in Eyeball world.
- In the beta version of Yume Nikki, something resembling a funhouse mirror could be found in one of the largest rooms of the maze. This item gave Madotsuki the Fat effect. It has since been removed.
- While hell is not technically the largest area in the game, its maze-like structure makes it slower to explore than any other place.