It's alive! It's rusted... It's shaped like Sonic... It's Mecha Sonic! He's no longer Eggman's prized invention but just a docile bot living among other washed-up Badniks. And now he is tasked with helping Sonic and Tails. Has Eggman's nefarious programming truly been rusted over, or will Sonic's presence awaken a forgotten part of Mecha Sonic?