Red Sonic The Hedgehog Halloween is a fan-made ROM hack of Sonic the Hedgehog for the Sega Genesis, likely themed around Halloween. The modification probably features a red Sonic, Halloween-themed levels or enemies, and alterations to the original game's aesthetics and possibly gameplay. Created by independent developers, it is not an officially produced or supported game by Sega.

Red Sonic The Hedgehog Halloween

Ray in Sonic 1