Sonic Generations is a manga written and illustrated by Makoto Hirono that was published by ASCII Media Works in their Japanese gaming magazine Dengeki Nintendo DS.
It is based on the video game of the same name. The first chapter of the Sonic Generations arc, which is chapter 38 of the overall Sonic the Hedgehog manga, was released on 11 September 2011. This arc would last for 7 chapters (overall 44 chapters), and would be the last Sonic game to receive a manga adaptation in Dengeki Nintendo DS.
It was preceded by Sonic Colors and followed by Sonic the Hedgehog (4-koma).