GameStop Corp. operates as a multichannel video game and consumer electronics retailer in the United States, Canada, Australia, and Europe. The company sells new and pre-owned video game hardware; video game software; pre-owned and value video games; video game accessories, including controllers, gaming headsets, virtual reality products, memory cards, and other add-ons for use with video game hardware and software; and digital products, such as downloadable content, network points cards, prepaid digital and prepaid subscription cards, and digitally downloadable software, as well as collectible products. It also sells collectibles comprising licensed merchandise primarily related to the video game, television, and movie industries, as well as pop culture themes; gaming-related print media, and mobile and consumer electronics; PC entertainment software in various genres comprising sports, action, strategy, adventure/role playing, and simulation; and strategy guides, magazines, and interactive game figures. In addition, the company operates e-commerce sites under the GameStop, EB Games, Micromania, and ThinkGeek brands; and collectibles stores under the Zing Pop Culture and ThinkGeek brand, as well as Game Informer, a video game magazine.

Further, it operates 43 Simply Mac branded stores, which sell Apple products, including desktop computers, laptops, tablets and smart phones, and related accessories and other consumer electronic products, as well as warranty and repair services. As of April 2, 2019, the company operated 5,800 stores across 14 countries. The company was formerly known as GSC Holdings Corp. GameStop Corp. was founded in 1994 and is headquartered in Grapevine, Texas.