Dance Dance Revolution X (ダンスダンスレボリューションX, Dansu Dansu Reboryūshon Ekkusu), sometimes abbreviated DDR X, is a music video game, and a part of the Dance Dance Revolution series. DDR X was originally announced by Konami in 2008 for native Japan then on May 15, 2008 for the North American PlayStation 2. The arcade version was announced on July 7, 2008, July 9, 2008 in Europe, and July 10, 2008 for North America.