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Sonic the Hedgehog (USA, Europe) [Hack by JcFerggy v20080831] (~Sonic – Pixel Perfect)
SEGA Genesis
Sonic Without Clackers
SEGA Genesis
Metal Fangs (Japan)
SEGA Genesis
Corporation (Europe)
SEGA Genesis
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Sonic the Hedgehog (USA, Europe) [Hack by Puto v1.1] (~Sonic Remastered)
SEGA Genesis
Sonic Encore (early development version)
SEGA Genesis