An NSP file is the standard digital format for Switch games. It contains the game ROM, icons, metadata, and required updates.
Nintendo Switch games are generally not region-locked, allowing Sunwards purchased on the Japan or US eShop to function on a console in another region. Sunwards Switch NSP (eShop)
(e.g., trying to access it from a specific country)? An NSP file is the standard digital format for Switch games
The game is likely listed in the eShop, allowing for instant digital access without a physical cartridge. Key Considerations for 2026 Sunwards Switch NSP (eShop)