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Sonic the hedgehog (G6 Version 2DLC2.5)

SEGA Genesis

Eggman the Dictator in Sonic the Hedgehog

SEGA Genesis

Sonic The Hedgehog (Mega-Tech, set 1)

Arcade

Sonic the Hedgehog – SNES Edition

Super NES

Sonic The Hedgehog x10

SEGA Genesis

Sonic The Hedgehog Open Source Project 0.04A

SEGA Genesis

Sonic The Hedgehog Open Source Project 0.06

SEGA Genesis

Sonic The Hedgehog AGX (S1 Hack)

SEGA Genesis

Sonic the Hedgehog 1995 Demo 3

SEGA Genesis

Sonic the Hedgehog – Hadokoa Sakusen

SEGA Genesis

Sonic the Hedgehog – Plus Edition

SEGA Genesis

Sonic the Hedgehog – Revelation

SEGA Genesis

NEW Sonic The Hedgehog

SEGA Genesis

Sonic the Hedgehog & Ashuro

SEGA Genesis

Sonic The Hedgehog: Dark’s World Defeat: SHC Demo

SEGA Genesis

Sonic The Hedgehog (World) (Proto)

Game Gear

Sonic the Hedgehog – The Lost Worlds

SEGA Genesis

Sonic The Hedgehog Open Source Project 0.07

SEGA Genesis

Sonic the Hedgehog (SNES)

Super NES

Sonic the Hedgehog Remix

SEGA Genesis

Sonic The Hedgehog 1995 Demo 2

SEGA Genesis

Sonic the Hedgehog (Unl)

Super NES

Sonic the Hedgehog (USA, Europe) [Hack by Mariofan0 v1.0] (Spindash+Spike Bug Fix)

SEGA Genesis

Sonic the Hedgehog (USA, Europe) [Hack by Stealth Rev 1] (~Knuckles the Echidna in Sonic the Hedgehog)

SEGA Genesis