GameStop Corp. is one of the largest video game and entertainment software retailers in the world. Located in Glendale, Ariz., it is a Fortune 500 company with more than 6,500 stores across the United States and in 17 countries worldwide. GameStop Corp. operates browser based game site and Game Informer magazine, a multiplatform video game publication. The company also offers some of the popular new software, hardware and game accessories for next generation video game systems. In addition, it sells video games and related merchandise.