Underground Passageway

Underground Passageway is an area in B3313.

Description
The area is basically a long hallway, consisting of several sections with differently coloured walls.

Origins
The area's layout appears to be an original creation. The textures are of unknown origin.

The area's music is a track made by Bobstar.

Two-way

 * Bowser's Castle: Go through the double door in the yellow section.
 * Plexal Basement: Go through the pipe to the left of the double door in the blue section, hidden in the dark.
 * Plexal Upstairs: Go through the double door in the blue section.