This is the standard format used by the Nintendo Switch for digital software. It is essentially a "dump" of the eShop version of the game.

Significantly shortened the time it takes for item boxes to reappear after being taken.

Introduced 8 courses, including the first-ever original DLC track for the game, Sky-High Sundae .

Downloading NSPs is generally considered a violation of Nintendo's Terms of Service and copyright law unless you are backing up a game you personally own.

This version is widely used with emulators like Yuzu or Ryujinx.

When you extract this .rar file, you will generally find the following components:

Files distributed in .rar format on third-party sites are unofficial. Always verify the hash or source to ensure the file hasn't been tampered with.

(nsp)(update 2.1.0).rar — Mario Kart 8 Deluxe