Sonic the Hedgehog - Hadokoa Sakusen is a Sonic the Hedgehog fan game. Limited information is available regarding this specific title, but based on the name (which likely translates from Japanese), it's possible that the game incorporates unique elements or a distinct story compared to the original Sonic games. The game's development likely involved a small, independent team of developers within the wider Sonic fan community. The project might be heavily inspired by the original Sonic the Hedgehog or might include modified gameplay.

Sonic the Hedgehog - Hadokoa Sakusen

Sonic the Hackable