If you intend to play this on a computer, you can use emulators like or Yuzu (though Yuzu development has ceased). You will need your console's prod.keys and title.keys to decrypt and run the game.
: Right-click the .rar file and select "Extract Here." Verify : Ensure the resulting file has a .nsp extension. Ducky Quacky [0100F59017AFA000][v0][US].nsp.rar
You can install this "piece" using several Homebrew applications on a modded Nintendo Switch: If you intend to play this on a