Phi Brain: Puzzle of God (ファイ・ブレイン 神のパズル) is a 2011 Japanese anime television series produced by Sunrise. The first two series aired on NHK Educational TV between October 2011 and September 2012, with a third season airing as of October 2013. The series is directed by Junichi Sato with script supervision by Mayori Sekijima. Hajime Yatate, the collective pen name for the creative staff at Sunrise, is credited with the original story.[1] The anime has been licensed in North America by Sentai Filmworks.[2] A manga adaptation by Haruo Ueno was serialized in Kodansha's Weekly Shonen Magazine from April 2011 to October 2011. A PlayStation Portable video game by Arc System Works was released on May 31, 2012.
Plot
Kaito, a puzzle-loving high school freshman, is selected as a candidate for "Phi Brain". He and his friend Nonoha find an "unsolvable puzzle" near their school. The puzzle turns out to be a life-threatening "philosopher's puzzle" created by the mysterious group P.O.G. (Puzzle Of God).