Note that this article is under construction. Therefore, please excuse its informal appearance while it's being worked on.
Newer Super Mario Bros. Wii
|Game||Newer Super Mario Bros. Wii|
|Previous level||(8-) Bowser's Castle|
|Next level||(8-6) Volcano Rapids|
Underground Railroad (or World 8-) is the first level of Koopa Core from Newer Super Mario Bros. Wii. This level occurs underground on a railroad track moving quickly and featuring lava and poisonous smoke.
- Its name is a possible reference to the Underground Railroad.
- In "NEWER SMBW: YE OLDE VIDEO 2", this level is shown with the name "Cavetrain".