DanceDanceRevolution X, often referred as DDR X and X for short, is a part of the DanceDanceRevolution series, Konami's line of dancing simulation games under its Bemani division. It was released to arcades in Japan on December 24, 2008, in Europe on June 3, 2009 and in North America on June 9, 2009. The Japanese arcade release was handled by Konami Computer Entertainment Japan, the American release by Betson Enterprises, and the European release by Electrocoin.