For "Guilty Gear X2" and each updated version released, some strategy guides were released. Entrebrain released two encyclopedias for the original game, on June 22, and December 19, 2002. A was released by SoftBank Creative on February 5, 2003. SoftBank Creative also released guidebooks for "#Reload", "Slash", and "Accent Core" on September 10, 2003, May 29, 2005, and July 27, 2007, respectively. Enterbrain released on November 16, 2005, February 28, 2007, and October 30, 2012, guidebooks for "Slash", "Accent Core", and "Accent Core Plus R", respectively.