Secrets of Sonic the Hedgehog

Sonic Mania/Unused Graphics - The Cutting Room Floor

Sonic Prime Flashback's sprites in Advance Style 👍 (Artist: @Kanimy_0) : r/SonicTheHedgehog

Sonic 1 HD: Green Hill Zone by Hyperchaotix on DeviantArt

I made Green Hill Zone in note blocks for my friend's Minecraft recreation of Sonic The Hedgehog (1991) : r/SonicTheHedgehog

Green Hill Zone Tileset by supersonic1009 on DeviantArt

Green Hill Re-Imagined Sprites by Exclipsy on DeviantArt

Sonic 1 green hill zone sprites

Green Hills Zone Sprites by Alex13Art on DeviantArt

Sonic The Hedgeblog — In early 'Sonic 1′ screenshots the Green Hill Zone

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