Buzz! Junior: Monster Rumble (known as Buzz! Junior: Monster Rally in North America) is the third game in the Buzz! Junior series of games. Buzz! Junior: Monster Rumble was released on 2 November 2007 in Europe. Monster Rumble was co-developed by FreeStyleGames and Magenta Software and is published by SCEE. FreestyleGames developed nineteen of the twenty-five mini-games, while Magenta created the remaining six.