Super Mario Party Jamboree -nsp--update 1.1.0-.rar «POPULAR | Full Review»

The "-NSP-" in the file name "Super Mario Party Jamboree -NSP--Update 1.1.0-.rar" stands for "Nintendo Submission Package." NSP files are used by Nintendo for distributing and installing games and updates on the Nintendo Switch console. These files contain the necessary data for updating or installing games.