Sonic & Ashuro (REV01 4.05) is a ROM hack combining Sonic the Hedgehog with another character, Ashuro, likely introducing new gameplay elements. The 'REV01 4.05' indicates a version number, pointing to possible updates and refinements over time by the developers. While the creators might be individuals or small teams within the ROM hacking community, they likely aimed to create a unique game experience merging Sonic's world with another character's attributes or story. Gameplay might involve new abilities, power-ups, or level designs influenced by Ashuro's characteristics, modifying the original Sonic formula. The version number shows iterations and improvement over time.

Sonic & Ashuro (REV01 4.05)

Sonic - Mysterious Visionary (Demo)