Mushroom Carnival is a location in Mushroom Kingdom. It is the first playable stage in Super Smash Bros. Global Apocalypse. After Bowser and Descole's fleet of airships attack the Mushroom Carnival, Mario and Kirby chase after them in attempt to stop them and rescue Princess Peach and Purin.
During gameplay, Mushroom Carnival is at nightime. The stage is very simple and is based off of a location from Mushroom Kingdom. Princess Peach's castle is also located there.