: Added Petey Piranha , Wiggler , and Kamek as playable racers.

: This is an update file only . It will not work unless you already have the base game ( Mario Kart 8 Deluxe ) installed in your emulator or on your system.

: The .rar extension means the file is compressed. You must extract it (using WinRAR or 7-Zip) to find the .nsp file inside, which is the actual update package used by Switch emulators (like Yuzu or Ryujinx) or hacked consoles.

: The "Ziperto" tag in the filename indicates it was sourced from a well-known piracy site. Be cautious, as files from such sources can occasionally be corrupted or bundled with unwanted software.

If you are looking for the "features" included in this specific RAR file, they are the official additions made by Nintendo in the v1.9.0 patch:

: Added eight tracks, including the new Squeaky Clean Sprint and returning classics like Wii Koopa Cape and GCN Daisy Cruiser . System Improvements :