Based on the popularity of series Pokémon game in Vietnam, Pokémon Sun and Pokémon Moon are two exciting games that have brought new experiences to every player around the world. With respect to Pokémon Sun and Pokémon Moon games, extension to the series with Pokémon Ultra Sun and Pokémon Ultra Moon cannot be neglected due to the uniqueness of the upgrade. Pokémon Ultra Sun and Pokémon Ultra Moon provide many new stories and unique legendary Pokémon to be discovered by players. The growing interest in Pokémon Sun and Pokémon Moon games determines the increased utilization of Pokémon Ultra Sun and Pokémon Ultra Moon series by professional fans who would like to make their playing experience specialized. As a result of the fascinating plot and improved fighting environment, Pokémon Ultra Sun and Pokémon Ultra Moon promise a lot of hours to be spent by a player. Therefore, in case a player adores Pokémon Sun and Pokémon Moon games, it is impossible to ignore Pokémon Ultra Sun and Pokémon Ultra Moon and their advantages represented in Vietnam.