The tenth game of the Final Fantasy series, Square's 2001 bestselling role-playing video game Final Fantasy X features several fictional characters designed by Tetsuya Nomura who wanted the main characters' designs and names to be connected with their personalities and roles in the plot. The game takes place in the fictional universe of Spira that features multiple tribes. The game's sequel released in 2003, Final Fantasy X-2, takes place two years after the events in Final Fantasy X and uses new and returning characters.