GOG.com is a digital storefront for PC games, bringing together classic titles and modern releases for Windows, Mac, and Linux. Its catalog spans genres including role-playing, action, adventure, strategy, indie, shooters, platformers, and city builders, with new releases, bestsellers, discounted games, and free titles available to browse. GOG emphasizes a gamer-first approach and game ownership, offering a wide selection of DRM-free games along with bonus content on some purchases and a 30-day money-back guarantee.

Beyond its store, GOG provides GOG Galaxy, a desktop app available for Windows and Mac. The company also runs the GOG Preservation Program, supporting the continued availability of selected classic games, and offers community features such as forums, reviews, chat, and the GOG Dreamlist. Its site includes news, trailers, technical articles, and the GOG Patrons Hub, where players can learn about supporting the platform. Customers can manage their libraries, wishlists, purchases, and account settings through the service, making GOG a destination for discovering, purchasing, and enjoying PC games.