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

In early ‘Sonic 1′ screenshots the Green Hill Zone flowers were purple. In the @HiddenPalaceOrg prototype you can see it for yourself.

S1 LE - Green Hill Zone Act 1 (Old Screenshot) by MarioYT21 on DeviantArt

Zone: 0 > Sonic 1 > Green Hill Zone

Community – The Sonic Stadium

Haunted Castle, Sonic Wiki Zone

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

Sonic The Hedgeblog — From a TV advertisement shown in France, an early

Sonic The Hedgeblog on X: Sega Megazone #44, Oct 94 - 'Sonic & Knuckles' review for the Sega Megadrive, including a screenshot of Knuckles in 'Sonic 1′, which cannot happen in the

Sonic The Hedgeblog

Sonic The Hedgeblog — Early screenshots of 'Sonic 2′ on the Game Gear

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

Sonic Generations – Source Gaming