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Sonic the Hedgehog (1991 video game) - Wikipedia

Sonic Origins for Nintendo Switch - Nintendo Official Site

Sonic SMS Remake: Sonic 1

Sonic Superstars recaptures the magic of 16-bit Sonic - but it's not a perfect return to form

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Sonic 1 levels [Sonic 3 A.I.R.] [Projects]

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Sonic the Hedgehog (Master System): Green Hill Zone Act 1 [1080 HD]

Random: Wait A Sec, That Sure Looks Like Mario In Sonic The Hedgehog's Marble Zone

Sonic The Hedgehog 2 Classic - Apps on Google Play