Worlds
Organization XII
Bosses
Keyblade
Disney
100
What is Xigbar's real name?
Luxu
100
What is the name of Sora's Keyblade?
Kingdom Key.
100
Who was the character that was going to be the main character of Kingdom Hearts?
Micky Mouse
200
The world Deep Jungle only appears in KH1, why was it not brought back in later installments?
Disney lost the rights to Tarzan after KH1; thus they could not legally use the world again.
200
In KH1 who is the final boss of the colosseum?
Sephiroth.
200
Do to copyright, the Station of Awakening stage in Super Smash Bros. Ultimate could not use Donald and Goofy. What where they replaced by? 
They were replaced by a Popu fruit and a raft.
300
What world does Kairi originally come from?
She originates from Radiant Garden
300
What is the character Xion's "real" name?
Her "name" is No. i.
300
What does the "x" in "x-blade" mean?
It is a letter Chi from the Greek Alphabet. (Sometimes pronounced Kye). It means "death" and "the ending of things".
300
What do the names Sora, Kairi, and Riku mean in Japanese?
Sora means Sky, Kairi means Sea, Riku means Land.
400
What is the original name for castle Oblivion?
Castle Oblivion was originally Land of Departure.
400
Yozora is based on what Final Fantasy character?
He is based on Noctis from Final Fantasy XV
500
What is the final world you go to in KH3?
Scala ad Caelum