: .nsp (Nintendo Submission Package) contained within a .rar archive.
If you are looking for a place to download this file, please be aware that sharing or downloading copyrighted game ROMs/NSPs from unofficial sources often violates terms of service and copyright laws. Most "posts" featuring these specific naming conventions are found on community-driven ROM sites or forums dedicated to Switch homebrew and emulation. Jewel Diamonds [0100112018AD4000][v0][US].nsp.rar