Every Extend Extra - 2006 VG was released on:
USA: November 2006 (Playstation Portable version)
Every Extend Extra Extreme - 2007 VG was released on: Japan: 17 October 2007 USA: 17 October 2007
Every Extend - 2004 VG was released on: USA: 2004 (PC version)
Extra - 1994 was released on: USA: 5 September 1994
The Extra - 2000 was released on: USA: 9 February 2000
The Extra - 2001 was released on: USA: 8 October 2001
The Extra - 2014 was released on: USA: 1 December 2014
Extra Virgin - 2011 was released on: USA: 2011
Bio Extra - 2002 was released on: USA: June 2005
Extra on Essence - 2009 was released on: USA: May 2009
Extra Life - 2009 SUSPENDED was released on: USA: 2009
The Phantom Extra - 1915 was released on: USA: 28 July 1915
Extra Credit - 2010 was released on: USA: 18 October 2010