Final Fantasy X-2 International + Last Mission

Last Mission is a storyline-based mission set three months following the defeat of Vegnagun where Yuna, Rikku, and Paine meet up for the first time since going their separate ways after their victory to explore the recently-discovered Iutycyr Tower.

Final Fantasy X-2 International is a special edition released in Japan that features two modes: International and Last Mission. It has general tweaks to the look, feel, speed, and dialogue. There is also new contents added to the game, like two extra dresspheres, new Garment Grids, and the inclusion of a Creature Creator system similar to Final Fantasy X's Monster Arena, where fiends can be captured, trained, and used in battle.