Sys FS

The  folder is located in the   folder of the game disc, however, it is not part of the NSMBW filesystem. It contains data likely used to boot the game. =Folder Contents=

Folders
There are no folders in this folder.

Files

 * - Judging by the name, it's probably used to load the game in some way.
 * - Binary file that seems mostly empty when opened in a Hex Editor
 * - Seems to contain the game name and ID.
 * - Seemingly a list of file names.
 * - Likely used for booting purposes.