: This is a compressed folder. You will need a utility like WinRAR or 7-Zip to extract the NSP files before they can be used. What's New in Update 1.1.0?
: Always install the base game NSP first, followed by the Update 1.1.0 NSP.
: You can now play Mario Party, Partner Party, and Minigames (Free Play) over the internet. Super Mario Party (NSP)(Update 1.1.0) (2).rar
: Ensure the Update Title ID matches the Base Game Title ID to ensure compatibility.
: Use a computer to extract the .nsp files from the .rar archive. : This is a compressed folder
: NSP files are typically used for installing games and updates on Nintendo Switch consoles running Custom Firmware (CFW) .
: Players can host or join "Friend Matches" or "Private Games" using passwords. : Always install the base game NSP first,
: Common installers include DBI, Tinfoil, or Awoo Installer. How to Update Super Mario Party | Nintendo Support