To say the first Kingdom Hearts was unique is an understatement. It wasn't just a success: it was a mega-smashing, world-eater of a success. It wasn't just unusual: it was a sounds-unholy-but-works-perfectly mating of Disney's characters and worlds with role-playing style and flair from Final Fantasy developers Square Enix. It was an Action RPG that atomized the mode - seriously: Goofy is a knight and Donald Duck a wizard? Your spaceship is made of gummi bricks? - and left fans squalling for