The core game file. An is the standard format used for official Nintendo eShop digital downloads. An XCI (NX Card Image) represents a dump of a physical game cartridge. You need the base game file first before you can apply any modifications. 2. Update Files (NSP)
To play the game with its latest features, follow these general installation steps depending on your platform: On Nintendo Switch Emulators (Ryujinx or Yuzu) tokyo xanadu ex rom nsp update switch game link