69 that are missing entirely (note: some of these will be different revisions of games that are present). 199 that are present and correct in some form across the dataset, but don’t match Redump naming conventions. 332 that are present, correct, and match Redump naming conventions.

Of the 600 games in the GameCube redump dat that are ‘USA’ and have category ‘Games’ ( e.g.

I did a full download of this collection and compared file hash data to the Redump datfile as of July 2021 ('Nintendo - GameCube - Datfile (1915) ( 21-13-25).dat'). Thanks for the upload OP, but unfortunately I think there's enough inconsistencies in this collection against Redump datfile data to recommend finding another collection.