GameStop Corp. is one of the largest video game and entertainment software retailers in the world. Based in Cerritos, Calif., the company operates more than 6,500 retail stores worldwide, as well as GameStop.com and EBgames.com. It offers has an extensive stock of new video game software across a variety of genres, including sports, action, strategy, adventure/role playing and simulation. GameStop Corp. publishes Game Informer magazine, a multi-platform video game publication. In addition, the company sells new and used video game software, hardware, as well as accessories for video game systems from Sony, Nintendo and Microsoft.