The HD remaster covers both Final Fantasy X and its sequel X-2. The first game follows the journey of the teenager Tidus who is transported to the world of Spira after an encounter with a creature known as Sin. He becomes one of the guardians of the summoner Yuna, protecting her on a pilgrimage to defeat Sin and finding out how the creature is linked to Tidus' and Yuna's late fathers.[3][4] Gameplay relies on the Conditional Turn-Based Battle system that allows for swapping party members in mid-combat. Characters are leveled up by means of the Sphere Grid on which the player may choose a specific skill to learn or attribute to improve.[5] The second game is set two years after the events of X and features Yuna as a treasure hunter in search of spheres leading her to Tidus.[6] It reintroduces the series' classic job system in the form of the Garment Grid: jobs can be acquired as dresspheres, costumes that give the player characters different abilities, throughout the game and may be changed in battle.[7] X-2 includes multiple minigames such as Sphere Break and blitzball, the latter of which also featured prominently in X.[8]
While the majority of the gameplay for X and X-2 remains unchanged, the games have undergone an extensive graphical update and a large amount of the music for X has been rearranged. All regional releases contain content from the International versions: X has the expert Sphere Grid and several optional bosses, while X-2 comes with extra dresspheres and new minigames. The Creature Creator system was added, whereby players can capture enemy monsters and certain non-player characters (NPCs) to train them and to have them fight alongside the party in battle, similar to the Pokémon series: these captured allies can also be fought and strengthened in a coliseum. Lastly, X-2 includes the "Last Mission" extra dungeon that plays in the style of a roguelike 3D game, having a grid-based layout across which the characters move and take on enemies. Layouts are generated randomly and each opponent is allowed as many turns as the player has taken. As in the main game, the player characters can equip jobs in the form of dresspheres. The Eternal Calm movie that bridges the gap between X and X-2 is included in the collection as well.[9][10][11][12][13][14] The collection allows for cross-platform saving between the PlayStation 3 (PS3), PlayStation Vita and PlayStation 4 versions and both games have their own trophy lists which are shared across the three platforms.[11][15]
Final Fantasy X: Will is an original audio drama included in the release, playing during the credits.[16] It features multiple characters from the games, alongside two new characters: the narrator Chuami and her companion Kurgum.[17] In the story, the two are sent to summon Yuna to investigate a mysterious phenomenon known as "Beckoning", where the dead are being called back into existence. On their journey, they encounter a beckoned version of Sin.[18][19] Over the course of the story, it is revealed that Tidus is suffering from some kind of weakness,[20] and that Yuna and he appear to have broken up and Yuna is seeing someone else.[21] The drama ends with Yuna preparing to face Sin again and Tidus, despite his weakness, deciding to follow her; Chuami and Kurgum decide to accompany them.
