Mushroom Kingdom

Mushroom Kingdom is the huge land ruled by Princess Peach and the setting of many Mario games may refer to the following:
 * Mushroom Kingdom (stage), a Group stage based on Super Mario Bros..
 * Mushroom Kingdom II (Super Smash Flash), a Group stage based on Super Mario Bros. 2 which appears in Super Smash Flash
 * Mushroom Kingdom II (Super Smash Flash 2), the updated version of the previous stage which appears in Super Smash Flash 2.
 * Mushroom Kingdom III, a Group stage based on Super Mario Bros. 3.
 * Mushroom Kingdom (level), the first level of Adventure in Super Smash Flash 2.