Source: Gamespot
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After purchasing original Guitar Hero publisher RedOctane, Activision was upfront about its intentions to bring the franchise to multiple platforms, but it's been somewhat less transparent about the specifics. However, a support center listing on RedOctane's online Guitar Hero knowledgebase has clued gamers in to the company's future plans, specifying that Guitar Hero III is scheduled for a fall release on the Wii, PlayStation 3, Xbox 360, and PlayStation 2.