Main Page | See live article | Alphabetical index The Mushroom Kingdom is where Mario and his friends supposedly live. It is being ruled by Princess Peach Toadstool. King Bowser Koopa wants to marry Princess Peach Toadstool so he can take over The Mushroom Kingdom. A lot of Mario Games take place in The Mushroom Kingdom. The Mushroom Kingdom was introduced in Super Mario Bros. It was also used in Super Mario Bros. 3, Super Mario RPG, Paper Mario, and many other games. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.