|This location exists primarily or exclusively within the Sonic the Comic continuity.|
Information in this article may not be canonical to the storyline of the games or any other Sonic continuity.
- Not to be confused with the Grim Zone.
Only known to be somewhere underneath the Emerald Hill Zone, it is said to be home to the mischievous Skeleton Crew, ghost pranksters that spring up on Halloween every fifty years. The only other information about the Grim Dead Zone is that it is meant to have "pits".
- Grim Dead Zone at the Sonic the Comic Wiki