Yoshiki Okamoto
The game was created by former Capcom game designer Yoshiki Okamoto. "Monster Strike" was originally released in Japan in September 2013, and by November 2013 it was credited with saving Mixi, originally a social media network, under the XFLAG brand, after the app became popular in the iOS App Store. In September 2014, it was announced that a North American version and a South Korean version would be released. South Korean support ended on November 30, 2016, while North American support ended on August 1, 2017.