Yu-Gi-Oh!, known in Japan and the rest of Asia as Yu-Gi-Oh! Duel Monsters (遊☆戯☆王デュエルモンスターズ, Yūgiō Dyueru Monsutāzu) is an anime based on the Yu-Gi-Oh! manga. It is produced by Studio Gallop and Nihon Ad Systems, and the English adaptation is distributed by 4Kids Entertainment. The success of Duel Monsters was one of the main factors in creating a real-world version of the game that served as the focal point of the series, the Yu-Gi-Oh! Trading Card Game.