Be extremely cautious with files ending in .rar or .nsp from unofficial sources. These are frequently used to distribute malware or corrupted files. The official way to update is through the Nintendo Switch Home Screen by selecting the game and choosing Software Update via the Nintendo Support site .
Have you noticed any other changes in 1.1.1? Drop a comment below. supermariopartyjamboreeupdate111nsprar work
. While that specific filename likely refers to a pirated or unofficial redistribution format (NSP/RAR), here is a review of what that official update actually provides for the game. Be extremely cautious with files ending in
– April 23, 2026