The file you mentioned, , is a compressed archive containing a digital update for the popular Nintendo Switch racing game. An NSP (Nintendo Submission Package) is the standard format for digital software typically distributed via the Nintendo eShop. What is Mario Kart 8 Deluxe Update 2.2.1?
Released on December 21, 2022, Version 2.2.1 was a minor patch focused on fixing specific bugs introduced in larger content updates like the Booster Course Pass . Mario Kart 8 Deluxe (NSP)(Update 2.2.1) (2).rar
Resolved an issue where the image would become "choppy" or stutter while playing this specific track online. The file you mentioned, , is a compressed
Fixed a bug where Lakitu would drop players at the wrong location after they fell off the track. Understanding NSP and RAR Files Released on December 21, 2022, Version 2
Mario Kart 8 Deluxe update out now (version 2.2.1), patch notes