|This location exists primarily or exclusively within the Pre-Super Genesis Wave continuity.|
Information in this article may not be canonical to the storyline of the games or any other Sonic continuity.
The Green Hill Zone is a location that appears in the Sonic the Hedgehog comic series and its spin-off comics published by Archie Comics. It was a luscious, grass covered area of Sonic's world in the In Another Time, In Another Place zone.
The Green Hill Zone has been visited before by Sonic during his adventures. When Sonic ended up in a white void after the Time Eater crashed his birthday party and kidnapped his friends, he found a portal to the Green Hill Zone. He then headed through it to begin his journey to rescue his friends, unaware a younger version of himself looked on nearby.