Not all files floating around the internet are equal. If you are searching for the definitive version, look for these scene release tags:

Not every Switch game benefits equally from compression, but this title is unique for several reasons.

For digital users looking to manage storage, the file format you choose matters. While the game has a surprisingly small base size of roughly NSP (Nintendo Submission Package):

The most trusted repository for safe, verified ROMs. Navigate to the "Nintendo" tab for Switch titles. Reddit r/SwitchPirates