The format represents a dump of a physical game cartridge.
: It is available for purchase on the Nintendo eShop for approximately $59.99 . File Formats (NSP/XCI) : CRYMACHINA Switch NSP XCI -DLC Update- -eShop- ...
For legitimate players, purchasing CRYMACHINA from the Nintendo ensures you are supporting the developers (FuRyu and NIS America). The eShop version is inherently an NSP structure stored on your console's NAND or SD card. The format represents a dump of a physical game cartridge