NSP is a file format used by the Nintendo Switch to distribute and install games and other content. NSP files contain the game's data, including the executable code, assets, and metadata. When you purchase a game on the Nintendo eShop, the NSP file is downloaded to your console, and you can play the game without needing to insert a physical cartridge.
: The game requires approximately 9.9 GB of free space. Verify your SD card or system memory has sufficient room. mario luigi brothership switch nsp free downl fix work