The (Nintendo Submission Package) is the digital distribution format used by the eShop. For the Castlevania Advance Collection , the NSP:
Missing the absolute heavy hitters (Symphony of the Night/Rondo of Blood) prevents it from being a 10/10, but as a preservation of the GBA era, it is near perfect.
While "NSP" usually refers to the file format used for Nintendo Switch games (often associated with homebrew or emulation), this review focuses on the of the official release on the Switch hardware.