Announced in June 2017, the titles are enhanced versions of Pokémon Sun and Moon with a modified storyline, similar to previous 'upper versions' like Yellow, Emerald, and Platinum.
Pokémon Ultra Sun (ポケットモンスター ウルトラサン Poketto Monsutā Urutora San) are role-playing video games developed by Game Freak, published by The Pokémon Company, and distributed by Nintendo for Nintendo 3DS.