halloween town hurting you while you're trying to fight heartless (ex. falling gravestones, gates closing on you, blasting water, etc.) although it is fun to do that stuff to donald and goofy:D
getting kicked off atlantica after every song even if you already have what's required to do the next song.
plus riku and kairi not being in kh2 much til near the end. i would rather have them as permanent partners then donald and goofy. although that seems to be the pattern starting with playstation (aside from re:com) platform games that riku and kairi don't get to do much.
Sora and Kairi should kiss in the next game. But they need to spend more time together first because they have been separated for a year. I would like to see them get closer before they kiss. If Disney lets them and if Sora gets a little smarter. Although in kh2 he did imagine him and Kairi dancing so who knows.
explain why kairi can use a keyblade
put an actual crowd of people in the Olympus Coliseum not just hear them
more sora&kairi and namine&roxas
more cloud
all the disney worlds each have one big storyline instead of two small ones