Kingdom Hearts is so much more than a game with Disney and Final Fantasy characters and ranks up with best games ever.
The gameplay is a mix of action and RPG number-chruniching that Square is so famously known for. There are loads of battle options such as magic (which can be given a handy shortcut), summons (now being Disney characters like Genie or Mushu) or items. Most of the time, combat comes to down to button bashing and constantly hammering X. Once in a while you'll pull of a special move or use Curaga on yourself but a lot of the time you'll be pressing the attack buttons (X) or the Block/Dodge Roll button (Square). Heartless appear from nowhere and are fought in real time, be warned they are not always easy and some while have a plethora of moves at their disposal that you will have to memorise to avoid.
The Sound is superb. The music is composed by Yoko Shinomoura (hope I spelled that right) and is absolutley brilliant. Each world usually has a world theme and battle theme, nearly all of the time these sound great, and the timing is really good. There are recogisable tunes from The Little Mermaid and Tim Burton's The Nightmare Before Christmas as well as really cool new ones that all suit the enviroment. You'll find yourself happily humming along in no time. There are also different themes for story events and boss battles, even a new version of One Winged Angel (Sephiroth fanboys and fangirls shriek) and the opening and ending theme Simple And Clean (as well as the brilliant remix) by j-pop singer Udtada Hikaru are excellent, and rival if not best Final Fantasy VIIIs and Xs opening themes. The best part of the sound section is the voice acting. Most of the original Disney voices return and if not, their TV voice actor (for accompanying TV show or House Of Mouse) does the acting. There is a rare case when an all new voice actor is to be used, but they Disney characters always sound great. Square's characters suffern from Celebrity endorsement. David Boreneaz sounds fine as Leon, Steve Burton is the offical voice of Cloud and makes his first appearance here as does Christy Carlson Romano as Yuffie (who is criminally replaced by Mae Whitman in the sequel, even though CCR voices Yuffie in the film). Mandy Moore as Aerith and Lance Bass as Sephiroth don't seem to fit (thanks heavens for Mena Suvari and George Newbern) but all in all, the voice acting is top notch. Being a good four, nearly five years old, Kingdom Hearts is joyously low-priced, and provides excellent value with all it's sidequests and story. So if you haven't bought Kingdom Hearts, do so today, you'll get a good 40 hours of it at least. You can't go wrong with this gem.