The standard Super Mario Odyssey NSP is approximately 5.7 GB .

An is a file format used for digital software on the Nintendo Switch. Unlike XCI files, which are digital backups of physical cartridges, NSP files are essentially the same format used for games downloaded directly from the Nintendo eShop.

Super Mario Odyssey is a sandbox-style 3D platformer that serves as a spiritual successor to Super Mario 64 and Super Mario Sunshine . Super Mario Odyssey Review