Hyper Sonic in Sonic 2 is another ROM hack or modification, this time based on Sonic the Hedgehog 2 for the Sega Genesis. Similar to the Sonic 1 hack, this version likely features Hyper Sonic and may include additional gameplay changes or enhancements implemented by the creators. As a ROM hack, the information on the development and creators is to be found within the fan-created game community. It is not an officially released Sega game.

Hyper Sonic in Sonic 2

Hyper Dunk - The Playoff Edition (Japan) (Beta)