The US version changed some plot details, most notably in how many kings are involved: while the Japanese version mentions three kings named Kells (ケルス), Rude (ルード), and Phillip　(フィリップ), the English version changed nearly all of these to Edward (the exception being a mention of Kells near the beginning of the game). As the story is already extremely cryptic, this was likely done in an attempt to make things less confusing.