Kingdom Hearts II: Final Mix+

Kingdom Hearts II: Final Mix+ is an enhanced version of the original Kingdom Hearts II released only in Japan. Like the Final Mix version of the first game in the series this game features brand new content not seen in the original. New items, enemies, and abilities are added as well as a secret dungeon that ends with a series of rematches against the members of Organization XIII. Once again an extended secret ending and related hidden boss have also been added.

Also bundled with the game was a full remake of the GBA game Kingdom Hearts: Chain of Memories made in the Kingdom Hearts II engine and featuring new content, remixed music, and full voice acting.