: Indicates this is the base version (version 1.0.0) of the software with no updates applied. [US] : Specifies the region is North America. .nsp : The file format for Switch digital games/DLC.
: These files are typically used with "Custom Firmware" (CFW) such as Atmosphere . To use them, users typically use an extraction tool like WinRAR or 7-Zip and an installer like Tinfoil or DBI . Legion of Doom [0100B2A019B0C000][v0][US].nsp.rar
: Downloading NSP files for games you do not own is a violation of copyright law and Nintendo’s terms of service, which can lead to your console being permanently banned from online services. : Indicates this is the base version (version 1