This is a centralized place for the documentation and other discoveries about the internal working of Kingdom Hearts games.

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PS4 versions of Kingdom Hearts (and probably other PS3/PS4 remasters) add a special header to every file to override a specific texture or sound file.

For example, the file arc_en/boss/b01dc00.arc is the original file found in Final Mix version, wrapped with the remastered header that specifies the files US_b01dc00_arc0.gnf, US_b01dc00_arc1.gnf, US_b01dc00_arc2.gnf, US_b01dc00_arc3.gnf and US_b01dc00_arc4.gnf. The GNF files (PS4 textures) will override the loading of the original assets.

If a file does not contain any remastered asset (like raw binary files that contains only gameplay data) have just the minimum header.

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