If you are looking into the format specifically, here is the technical breakdown of what that entails:
is not just a port; it is widely considered the definitive version of the Wii U classic. It resolves the major gripes of the original release and packages it with all previously released DLC and a revamped Battle Mode. For Switch owners, it remains the highest-selling game on the system, sitting comfortably alongside Breath of the Wild and Super Smash Bros. Ultimate . mario kart 8 deluxe switch xci
An file is a digital clone of a physical Nintendo Switch game cartridge. Unlike NSP files, which are typically digital-only eShop dumps, XCI files preserve the entire structure of the physical card, including game data, icons, and metadata. If you are looking into the format specifically,