The original arcade game made its debut in Japan in October 1998 and quickly became the number-one gaming craze in the country. The first PlayStation® version of the game was released in Japan in April 1999 and boosted the franchise's popularity even further, selling over 3 million units cumulatively. DDR hit the U.S. that next year, and Konami introduced Dance Dance Revolution(tm) for Sony PlayStation®, which developed a massive fan base. Subsequent releases include Dance Dance Revolution Disney Mix and Dance Dance Revolution KONAMIX, released for the PlayStation® in September 2001 and April 2002 respectively and the series' first debut on the PlayStation®2, DDRMAX Dance Dance Revolution(tm), released October 2002. In November 2003, the Dance Dance Revolution series arrives on the Xbox(tm) video game system with Dance Dance Revolution ULTRAMIX(tm). In December 2003, cumulative worldwide sales of the Dance Dance Revolution(tm) series has exceeded 6.5 million units.