In October 2006 a spin-off series of games designed for children started with the release of Buzz! Junior: Jungle Party with 40 mini games . A second game, Buzz! Junior: Robo Jam, was released in May 2007 and has 25 mini games, and a third, Buzz! Junior: Monster Rumble was released in November 2007 and has 25 mini games. The fourth game in the series, Buzz! Junior: Dino Den, is based around dinosaurs and was the first Buzz game to be developed by Cohort Studios and released in February 2008. The fifth Buzz! Junior game, Buzz! Junior: Ace Racers, again developed by Cohort Studios, was released in October 2008. Buzz! Junior: Ace Racers is a racing game where players race cars, boats and planes using their Buzz! buzzer.
Games in the Buzz! Junior series have been developed by Magenta Software, FreeStyleGames and Cohort Studios.
Source: Wikipedia, "Buzz!", available under the CC-BY-SA License.