: Stands for Nintendo Submission Package , the standard digital file format used for games on the Switch eShop.
This naming convention is common in community-led archiving and helps identify the exact nature of the file: FITBOX2-RHYNEXER-(USA)-NSwTcH-[BASE]-NSP-Zipert...
: Indicates the regional version of the game is North American. : Stands for Nintendo Submission Package , the
: Refers to the specific individual or group who processed and "dumped" the digital file. About Fitness Boxing 2: Rhythm & Exercise : Stands for Nintendo Submission Package
: A common abbreviation for the Nintendo Switch platform.
The string you've provided, , is a specific filename used in digital archiving and distribution for the Nintendo Switch game Fitness Boxing 2: Rhythm & Exercise . Breakdown of the Filename
: Short for Fitness Boxing 2: Rhythm & Exercise .