Cheyenne Mountain Entertainment is a software development company based in Arizona. It was formed in July of 2005 when it obtained the license to develop the MMORPG Stargate Worlds based on Stargate SG-1 and Stargate Atlantis.
Cheyenne Mountain Entertainment has amassed some of the industry's biggest talents, including Joe Ybarra, one of the founding members of Electronic Arts, now the largest publisher in the PC Game industry.
The name of the company comes from Cheyenne Mountain, real life Air Force installation and the fictional home of Stargate Command.
Cheyenne Mountain Entertainment has ownership in Cheyenne Mountain Games which has expanded into four studios. Stargate Worlds, Handcranked Games, Superstition Studios, and a yet to be named studio. Details of projects in production at the three new studios has not been released to the public.