The land of Mudville.
Mudville is an island where C2: Judgement Clay occured. A image of this island can be seen in the stage select. Dr. Kiln hosted a fighting contest to see who could become the next grandmaster of mudville.
Residents[]
These are the residents and their respective homes.
| Character | Home |
| Bad Mr. Frosty | Frosty's workshop |
| Nanaman | Bungle Jungle |
| Octohead | Under de Clay |
| Googoo | The Crib |
| Hoppy | Camp Claytastrophe |
| Kangoo | Mudville Gardens |
Mount Mushmore does not belong to anybody.