This version of Kingdom Hearts II, known as Kingdom Hearts II: Final Mix+, is an updated re-release of the original Kingdom Hearts II. Also included in this 2-disc set is a 3D PS2 version remake of Kingdom Hearts: Chain of Memories known as Kingdom Heart Re:Chain of Memories with additional scenes and voice-overs for specific scenes. Kingdom Hearts II: Final Mix+ was only made available in Japanese territories.
The improvements made to Kingdom Hearts II: Final Mix+ include an English voice cast, adjustments to all difficulty modes as well as the addition of a new “Serious Mode” difficulty, new regions and redesigned navigation maps, new scenes from the Japanese Manga, new boss battles against the enigmatic Organization XIII, one of the fights that was a cut-scene in the original game is now playable, and all previously censored parts of the game have been removed.
The upgrades made to Kingdom Hearts Re:Chain of Memories include: a fully 3D render; the Kingdom Hearts II reaction commands system; additional cards and boss battles; full voice acting in Japanese for all scenes; and the fact that the game save data has an effect on Kingdom Hearts II: Final Mix+.