When Activision purchased RedOctane in 2006 , the company expressed strong interest in bringing the '' Guitar Hero '' series to " every significant new format " in order to take advantage of the next generation of consoles . The Xbox 360 version was announced on September 27 , 2006 at Microsoft 's X06 . Dusty Welch of RedOctane stated that the Xbox 360 " provides an incredible platform for facilitating downloadable content " due to the integrated hard drive on the console . The Xbox 360 version of the game included 10 exclusive songs and additional content available for purchase through the Xbox Live Marketplace
X06
X (Xbox show)
Guitar Hero II