We do not condone piracy, nor will we link directly to copyrighted files. However, for users who have legal backups (e.g., they own the physical cartridge and want to play on an emulator), reputable sources include:
The game was released on October 5, 2018, in Japan and on October 5, 2018, worldwide. As for the NSP (Nintendo eShop) update, the latest version is 1.1.0 (released on December 1, 2022), which includes general bug fixes and improvements. super mario party jamboree switch nsp update top