High Quality Content by WIKIPEDIA articles! DDRMAX2 Dance Dance Revolution 7thMIX is the 7th game in the Dance Dance Revolution series of music video games and the sequel to DDRMAX Dance Dance Revolution 6th Mix. It was released in the arcades by Konami on April 17, 2002. Although only officially released in Japan, units exist worldwide. DDRMAX2 contains a total of 116 songs that are playable in normal gameplay, 34 of which are new to Dance Dance Revolution. 20 of these songs are hidden and unlockable.