After Activision acquired RedOctane and the "Guitar Hero" series, Harmonix developed their last "Guitar Hero" game, ', before they were acquired by MTV. Neversoft became the developer for the "Guitar Hero" series beginning with ' for the Xbox 360 and PlayStation 3 consoles, using their in-house game engine made from scratch instead of Harmonix's engine. Several "Guitar Hero" series games have been developed by Neversoft since 2007, including ', ', "Guitar Hero World Tour" (incorporating drums and vocals alongside guitar), ', "Guitar Hero 5", "Band Hero" and '.