Updated!!!!
The worlds that are Red are Taken. The worlds that are Blue are available. The Yellow represents what kind of world they are.
Kingdom Hearts Worlds
Destiny Islands
Twilight Town
Traverse Town
Radiant Garden (10 posts to enter)
Hundred Acre Wood: (10 posts to enter)
Space Paranoids (15 Posts to enter)
Wonderland (15 posts to enter)
Deep Jungle (15 posts to enter)
Land of Dragons (20 posts to enter)
Beasts Castle (20 posts to enter)
Olympic Collisuim/Underworld (20 posts to enter)
Monstro (25 posts to enter)
Disney Castle (30 posts to enter)
Atlantica (30 posts to enter)
Agrabah (35 posts to enter)
Neverland (35 posts to enter)
Port Royal (50 posts to enter)
Pride Lands (60 posts to enter)
Betwix and Between (60 posts to enter) Sasuke Uchiha
Oblivion Castle (70 posts to enter) Daimos Des Necross
The World That Never Was (85 posts to enter) Roxas
Realm of Darkness (100 posts to enter) Riku
The Realm of Nothingness (115 posts to enter)
The keyblade Graveyard (130 posts to ebter) Relix
Final Fantasy Worlds
Zanarkand
Balamb
Midgar
Wutai (10 posts to enter)
Galbadia (20 posts to enter)
Created Worlds:
The Oasis