Sonic News Network


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This location exists primarily within the Adventures of Sonic the Hedgehog continuity.
Information in this article may not be canonical to the storyline of the games or any other Sonic continuity.

The entrance to Mertopia.

Mertopia is a massive underwater civilization for the Merhogs that enjoy their life and their civilization. Complete with everything an underwater city needs, it is extremely interesting to see.[1]


  1. Adventures of Sonic the Hedgehog episode 56, "The Little Merhog"
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