 The results of the expanded offerings did not contribute well to the series , alongside the late @-@ 2000s recession ; sales of most rhythm games including Guitar Hero and DJ Hero did not meet expectations , falling about 50 % short of projected targets . Activision announced it would be cutting back to only 10 <unk> within 2010 instead of the 25 in 2009 . Though RedOctane and Neversoft continued to develop the 6th main game , Guitar Hero : Warriors of Rock , until its completion , both studios were later <unk> by Activision , moving key personnel into Activision directly for future game development , and in the case of Neversoft , closing its Guitar Hero division , while transferring future development duties for the series to Vicarious Visions , another Activision studio which had been fundamental in building the Wii and Nintendo DS versions of the games . In November 2010 , Activision also closed Budcat Creations , the arm of the publisher that was primarily responsible for <unk> the Guitar Hero games to the PlayStation 2 . 
