Inazuma Eleven first started out as a sports role-playing game for the Nintendo DS. The series has had numerous sequels since then. The manga was first published in the Shogakukan CoroCoro Comic and the anime series was produced by game developer Level-5 along with TV Tokyo and OLM. The anime aired in numerous countries around Asia and Europe. Aside from the anime, manga and video games, there is also an animated film and guidebooks for the series.