file. It does not include subsequent updates or DLC (Downloadable Content). : Stands for Nintendo Submission Package
Sites like Ziperto acted as catalogs. They did not host files directly but indexed links from file hosts (1fichier, MegaUp, MediaFire). The naming convention served three purposes: FATSTYNREMSTRD--USA--NSwTcH--BASE--NSP-Ziperto....
In Nintendo Switch piracy (NSP/NSZ/XCI files), USA indicates the game is the North American region version. This can affect language, DLC compatibility, and save file matching. and save file matching.