The underground rom community is buzzing this week with chatter about a title that sounds too good to be true: Super Mario Jamboree . Leaked NSP files are circulating on forums, claiming to be a brand-new, never-announced party-platformer hybrid from Nintendo. But before you fire up Tinfoil or DBI, let’s break down what this alleged release actually is—and whether it’s worth the bandwidth.

The scene release group’s .NFO file lists these supposed features:

If you see a “Super Mario Jamboree NSP” on a torrent site, treat it like a blue shell: exciting to see coming, but it’s probably going to ruin your day. Wait for the real Mario Party 3 (or whatever Nintendo is cooking for the Switch 2).

So, what is this file?

For enthusiasts looking to manage their digital library, the (Nintendo Submission Package) file allows for convenient installation of the game and its subsequent updates directly to the Switch's internal storage or SD card. Core Gameplay & Key Features