Sonic the Hedgehog: Mephiles Strikes Back is the sequel and the story is the final, with a collab game, Me (Benclank) and EdGeorgenCody to finish on months or weeks. With characters are returning: Sonic the Hedgehog, Shadow the Hedgehog, Sliver the Hedgehog, Jet the Hawk and Knuckles the Echidna to against the one and only Mephiles the Dark to return him to the scepter of darkness.