Why? o.o; Final Fantasy worlds are MASSIVE. No, really, they're massive. Even tiny Spira is huge compared to some of the KH worlds. Also, the FF stories aren't concentrated in one area. >.> Midgar from FF7 only took up...what, the first disc? Not central enough...and too many areas afterwards.
@Monkeybutt: Agreed, they should remake those games...especially FFVIII. >.> I played through 7 and barely noticed the graphics while playing (awesome storyline) but the FMV scenes in FF8 were overwhelmingly scary.