Attack on Titan is an adaptation.
Attack on Titan . The spin-off light novel series Before the Fall began in December 2011 and has received a manga adaptation . An anime television adaptation produced by Wit Studio and Production I.G aired in Japan on MBS between April and September 2013 and a second season of the series premiered in April 2017 . Four video game adaptations developed by Nitroplus staffers in collaboration with Production I.G were announced to be released as bonus content for the third and sixth volumes of the Blu-ray Disc release of the anime , with another game developed by Spike Chunsoft for the Nintendo 3DS .