Sega Game Gear, Sonic Wiki Zone

The Sega Game Gear (ゲームギア, Gēmu Gia?) is a handheld video game console manufactured by Sega. It competed with Nintendo's Game Boy. Introduced in 1990 as a portable Sega Master System, it was in production from 1990 to 1997. The game Columns came bundled in with the Game Gear, with only six games released along side the initial launch. There were twelve Sonic games released for the system that have been ported to later games released by Sega, such as Sonic Adventure DX: Director's Cut, Sonic Gems

Sonic the Hedgehog (8-Bit) - Sonic Wiki - Neoseeker

Sonic the Hedgehog - Wikipedia

Sega Game Gear, Sonic Wiki Zone

Sonic Classic Collection, Sonic Wiki Zone

Sonic Drift 2 - Sonic Wiki - Neoseeker

Proto:Sonic the Hedgehog 2 (Sega Master System, Game Gear) - The

Sonic the Hedgehog 2 (8-bit), Sonic Wiki Zone

Sonic Chaos, Sonic Wiki Zone

Under Ground Zone, Sonic Wiki Zone