Publishers Activision and RedOctane released the RedOctane X-Plorer Controller bundled with Guitar Hero II for the Xbox 360, some bundles of Guitar Hero III: Legends of Rock, or available separately.
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The RedOctane X-Plorer Controller for these games is based on the Gibson Explorer, a type of electric guitar.
On November 21, 2007, The Romantics filed a lawsuit against Activision, RedOctane, Harmonix, and Wavegroup Sound over the cover of the song "What I Like About You" used in Guitar Hero Encore: Rocks the 80s.