The Dance Dance Revolution series started in 1998 and has grown to a large set of games in the franchise. This list of Dance Dance Revolution games documents games released, including systems, formats, and regions for which the games were released. Legend These lists are sorted by platform of release, then region, then best-known release date, then regional or renamed version title, if any. Releases that have sold more than one million copies or have been re-issued as Greatest Hits are colored orange. Dance Dance Revolution Dance Dance Revolution Solo Unreleased games Dance Dance Revolution Solo (International) Only a test build existed in North America; this game never saw a full release outside of Asia. Dance Dance Revolution Solo Bass Mix had a public test build in early 2000 in the United States at Konami's former test location Diversions in Chicago, IL. It was later replaced with Dance Dance Revolution USA. Major differences from the Japanese build is the absence of 3 songs: "That's The Way '98," "Together and Forever", and "Get Off." The Nonstop Megamix course including these songs were also not present. All other functions and hidden modes were available for play including Maniac mode, Ultimate Maniac mode, Nonstop Megamix, and machine link play. Dancing Stage Solo is a cancelled video game for Europe. Konami filed to trademark the name on July 9, 1999. It was registered on July 25, 2000, but expired ten years after filing. This game's Caution screen, high score background and title screen were present as unused game data in the Asian versions of Dance Dance Revolution Solo 2000. Dance Dance Revolution Ultramix (Windows) Released as Dance Dance Revolution Ultramix for the Xbox. Originally Dance Dance Revolution Ultramix was going to be a Windows title, sequeling Dance Dance Revolution which had been released a couple of years before. Screenshots of the game under development were released to video game news sites showing an interface that closely resembled the previous Windows game. Later in development the game was completely changed visually and released on the Microsoft Xbox. Dancing Stage SuperNova 2 (Europe) This game was never released. Reason: PlayStation 2 and arcade board blacklist issues. The European arcade release of Dance Dance Revolution SuperNova 2, titled Dancing Stage SuperNova 2, was never released due to importation issues surrounding the PlayStation 2-based engine. The arcade release of DDR SuperNova 2 uses an imported Japanese PlayStation 2