| Aka: | Sonic the Hedgehog |
| Console: | Sega Game Gear |
| TV Standard: | NTSC-J |
| Country: | Japan |
| Developer(s): | Ancient |
| Publisher(s): | Sega |
| Release Date: | 1991-12-28 |
| Players: | 1 |
| Co-op: | No |
| ESRB: | Not Rated |
| Type: | Action, Platform |
Sonic the Hedgehog is a 1991 side-scrolling platform game. It is a companion to the 16-bit Sega Genesis game Sonic the Hedgehog for the 8-bit Game Gear and Master System consoles. Ancient—a studio founded by composer Yuzo Koshiro for the project—developed the game and Sega published it to promote the handheld Game Gear. The 8-bit Sonic is a side-scrolling video game similar in style to the 16-bit game, but reduced in complexity to fit the 8-bit systems.
