Two years ago , Michal Shafrir, a Sonic the Hedgehog superfan and one of the developers on the April Fools’ visual novel The Murder of Sonic the Hedgehog , cosplayed not as a Sonic character, but as an entire level from Sonic Adventure 2 . That was already an incredible concept, complete with the giant truck that chases Sonic at the end of the level as a headpiece. How do you follow that up? By cosplaying another Sonic Adventure 2 stage, but making it actually “playable.”

Shafrir has been documenting the process of making a playable costume based on Pumpkin Hill, one of Knuckles the Echidna’s iconic treasure-hunting segments in the Dreamcast classic, since August, and what started as a visual concept has been fully realized just in time for Halloween on Saturday. At a glance, the costume looks like Pumpkin Hill’s spooky aesthetic simply turned into a dress.…