Steam is a digital gaming platform operated by Valve Corporation, bringing players together to discover, purchase, play, and discuss PC games. Its store spans a broad range of genres, including role-playing, strategy, simulation, racing, action, horror, and cooperative multiplayer. Visitors can browse featured games, new releases, top sellers, upcoming titles, and free-to-play selections, with recommendations tailored to their interests and library. Steam also offers game discounts, gift cards, downloadable content, and tools for exploring titles by category and tag.

Beyond shopping, Steam supports a gaming community through discussion forums, user-created Workshop content, a community Market, and live broadcasts. Players can manage wishlists, customize discovery settings, and access the Points Shop. The platform provides account sign-in, customer support, language options, and a mobile app, alongside desktop access. Its catalog includes both major releases and independent games, with listings that feature user-review summaries, genre tags, pricing, and release information. Steam combines digital distribution, community features, and game discovery in one service for players looking to find and engage with a wide variety of games.