Green Hill Zone (Sonic the Hedgehog 16-bit) - Sonic Retro

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Long lost Sonic the Hedgehog 1 prototype discovered

Sonic the Hedgehog (16-bit) (prototype)/Comparisons/Green Hill Zone - Sonic Retro

Attempting to make a Sonic fangame (second post about this). What zones that haven't been in Generations or Mania would you want to see again? (I've already made a list of ones

Sonic The Hedgehog KawariNo

Green Hill Zone (Sonic the Hedgehog), Sonic Wiki Zone

Proto:Sonic the Hedgehog 2 (Genesis)/Nick Arcade Prototype - The Cutting Room Floor

Sonic the Hedgehog (1991) is More Than Just Speed

Green Hill Zone – Wikipédia, a enciclopédia livre

Sonic Triple Trouble 16-Bit, 2022's Best Fan-Made Reboot

Ranking the Classic Sonic Games - The Chozo Project