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) |