Optional Boss Battles. After you seal the Hollow Bastion Keyhole, some optional boss fights become available.

Sephiroth: You can fight him one-on-one in the Platinum Match at the Olympus Coliseum.
Kurt Zisa: Return to Aladdin's house and speak with the magic carpet.
The Phantom: While in the ship's cabin in Neverland, place Peter Pan in your party and speak to Tinker Bell to engage the clock tower Phantom.
The Ice Titan: Win the Hades Cup touraments to fight the ice Titan in the Gold Match at the Olympus Coliseum.

Secret Movie Featurette. To view a secret movie featurette, you must accomplish certain task before finishing the game. First, win the Hades Cup at the Olympus Coliseum. You must also release all 99 Dalmatians. Finally, seal all the worlds' Keyholes, includingthat of the Hundred Acre Wood.

Expert Modes Bonuse. After you complete Expert Mode, your overall game statistics are displayed. In addition, a different piece of art is displayed on the "THE END" screen. A third background illustration is displayed when you complete Expert Mode and gain access to the secret movie featurette.