 A sequel , DJ Hero 2 , was officially announced in June 2010 for release in the last quarter of 2010 , featuring more than 70 <unk> from over 85 artists . The game includes several new gameplay modes , including an " Empire " career mode , head @-@ to @-@ head DJ battles , social multiplayer modes , and a jump @-@ in and out Party Play mode similar to Guitar Hero 5 . The game also includes more vocal options for singing and rapping to songs , and a freestyle mode for players . 
