Ridge Racer Unbounded (リッジレーサー アンバウンデッド Rijji Rẽsā Anbaundeddo?) is a racing video game for Microsoft Windows, PlayStation 3 and Xbox 360. Part of the long-running Ridge Racer franchise, the game is published by Namco Bandai Games and developed by Bugbear Entertainment. Unbounded is the first game in the series (not including R: Racing Evolution) to receive a "Teen" rating by the ESRB. It is also the first game in the series (not including Rave Racer, whose Windows version was cancelled) to feature a Microsoft Windows version. A free-to-play version called Ridge Racer Driftopia was announced on 12 April 2013. A beta version was released for Windows and PlayStation 3 in August 2013. On 19 June 2014, Bandai Namco announced that Driftopia has been cancelled, and the beta servers were shut down on 15 August 2014. The online servers and the multiplayer modes of Ridge Racer Unbounded were shut down and discontinued on 27 February 2015 in Europe.