Return to the Switch home screen, press the + button on the game icon, and verify that the version number matches the latest release. Optimizing Performance on the Switch

The comprehensive guide below explores Super Mario Odyssey and the terminology surrounding Switch ROMs, system updates, and game file formats.

Select the update file and install it over your existing Super Mario Odyssey game.

: This format originates from the Nintendo eShop. Unlike XCI files, NSPs are often smaller because they lack cartridge padding. They are "installed" to a system’s internal memory or SD card rather than being "mounted" like a cartridge.

Nintendo actively bans consoles using illegal NSP files online. If you intend to play Balloon World or use the Snap Filter uploads, you have a clean console and a legitimate copy of the game.

Introduced optimizations for newer hardware displays, HDR support, and a "GameShare" mode where two players can control Mario and Cappy independently.

: Support for this feature was added in v1.4.0, facilitating local or online team-up play. File Format Comparison: NSP vs. XCI