DDR A DDR X series DDR SuperNOVA series DDR Extreme
Release date July 6, 2016 December 31, 2010 (X2)
June 9, 2009 (X)
January 17, 2008 (SN2)
May 15, 2006 (SN)
December 25, 2002
Total songs 731 442 (X2)
~350 (X)
357 (SN2)
303 (SN)
240 (unlocked)
230 (locked)