Probably the International version of FFX-2, which has extra stuff, including the ability to get Tidus in the party. They did it for compensation for not releasing the game as quickly to Europe than in the States (localization times, purely). If they didn't make the preset expectation date for FFX-2 in Europe, then it is because they added stuff in. The NA versions usually have more stuff than the Japanese, but since it's both Jap and Europe, than it's probably Int.