While it’s practically unknown to the West, Million Arthur is Square Enix’s most successful new franchise. Kaku-San-Sei Million Arthur used the Arthurian Legend as a base for its story and launched in 2012.
Square Enix localized the game for Korea and Taiwan plus released a PlayStation Vita version last year. Yui-Itsu-Sei Million Arthur was released in 2013. This year, Square Enix plans to release at least two Million Arthur titles. On top of Deck Make Million Arthur, Kai-ri-Sei Million Arthur is slated for 2014 on iOS and Android.
Kai-ri-Sei Million Arthur follows four Arthur’s from Camelot, which is separate from Northern Britain in this world. These four Arthurs are studying in Hebrides and will face an unprecedented threat from Britain. This game actually has a "Millionaire Arthur" as one of the characters.