: Originally used by older flashcarts (like SX OS) to mimic inserting a real cartridge. In emulators like

"Super Mario Odyssey" introduces Mario to a new form of traversal and interaction through possession, using his new companion, Cappy. This mechanic allows Mario to capture and control various objects and creatures, known as "capturing," which is central to solving puzzles and navigating the game's vast environments.

XCI files, on the other hand, are used for cartridge-based games and contain the game's data in a format that's similar to NSP files. XCI files are used to extract and backup game data from cartridges, and they can also be used to install games on a Nintendo Switch using a compatible installer.

, they are often treated as standalone "plug-and-play" files. Key Detail

The base 1.0.0 version of Super Mario Odyssey is missing hundreds of hours of replayability. Balloon World alone transformed the post-game content. If you are downloading a "free" copy via NSP or XCI, you want a that includes update 1.3.0 pre-patched, or you need to locate the update file separately (usually a 500MB – 700MB NSP file).