Green Hill Zone

Found in the original game, Sonic The Hedgehog (available on the Megadrive), Green Hill Zone was featured in many different Sonic Games. However, it was ditched but made a comeback in Sonic The Hedgehog 4: Episode 1 as Splash Hill Zone.

It was the first zone you played in for the first two games, but on the third game (And Sonic 3 & Knuckles) it wasn't used. Despite being the oldest zone in Sonic The Hedgehog, it is loved by Sonic Fans around the globe and the detail in every act (and game) on all consoles is fantastic, especially it's checkered soil.