Green Hill Zone (Location) - Giant Bomb

Widely considered to be one of the most iconic locations in the Sonic series, Green Hill Zone has appeared in several games made by SEGA.

Super Smash Bros. Ultimate (Game) - Giant Bomb

Green Hill Zone screenshots, images and pictures - Giant Bomb

Resistance Damage Report: Green Hill, South Island [Sonic Forces Overclocked] : r/SonicTheHedgehog

Green Hill (Sonic Generations), Sonic Wiki Zone

Green Hill Zone - SmashWiki, the Super Smash Bros. wiki

Green Hills Zone, Sonic Wiki Zone

Green Hill Zone Games - Giant Bomb

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

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

Sonic Superstars: How to Sign Up and Get Amy Skin - PlayStation LifeStyle

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