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. Pokemon Ultra Sun Rom 3ds Citra Download For those of you who are a long-time fan of the Pokémon game series, no one will ever feel strange about the name Pokémon Ultra Sun are role-playing video games ultra sun rom was developed by Game Freak, published by The Pokémon Company, and distributed by Nintendo for Nintendo 3DS.