Activision is a game developing and publishing company that acquired RedOctane, the publisher of the Guitar Hero series in 2006. They have published every game in the series since. This article is a stub. You can help WikiHero by expanding it. Retrieved from "https://guitarhero.fandom.com/wiki/Activision?oldid=17427" Categories: Article stubs Guitar Hero Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.