Buzz! is a series of video games originated by Sleepydog Ltd., developed by Relentless Software and published by Sony Computer Entertainment Europe for the PlayStation 2, PlayStation 3 and PlayStation Portable consoles. They are quiz games that see the players answering trivia questions while competing in the fictional game show, Buzz!. Created specifically with multi-player party gaming in mind, the series launched in October 2005 and to date comprises 18 games; including 13 in the Buzz! series and five Buzz! Junior titles. The series made the transition to the PlayStation 3 with Buzz!: Quiz TV in 2008. The sixteenth game in the series Buzz!: Brain of the UK was released in March 2009.