The popularity of the series increased dramatically with the release of Guitar Hero II in 2006. Featuring improved multiplayer gameplay, an improved note-recognizing system, and 64 songs, it became the fifth best-selling video game of 2006. The version of the game was offered both separately and in a bundle with a cherry red Gibson SG guitar controller.
The Gibson Les Paul Guitar controller bundled and releases of Guitar Hero III: Legends of Rock . A similar white Gibson Les Paul guitar controller is bundled with the Wii release, which requires the Wii Remote to be inserted in the back. For in-store demos on , a wired Les Paul controller is used.
Guitar Hero III: Legends of Rock was released in late 2007 . The title is the first installment of the series to include wireless guitars bundled with the game and also the first to release a special bundle with two guitars. The game includes Slash and Tom Morello as playable characters in addition to the existing fictional avatars; both guitarists performed motion capture to be used for their characters' animation in the game.
The "Genericaster" guitar controller bundled with Guitar Hero World Tour . Unlike previous Guitar Hero controllers, this controller is not based on a real guitar.
Guitar Hero World Tour, previously named Guitar Hero IV, is the fourth full game in the series and was released on October 26, 2008 . Analysts had expected that future Guitar Hero games in 2008 would include additional instrument peripherals to compete against Rock Band; Guitar Hero World Tour was confirmed as in development following the announcement of the merger between Activision and Vivendi Games in December 2007. Activision's CEO Bobby Kotick announced on April 21, 2008 that Guitar Hero World Tour will branch out into other instruments including vocals.