GrandTheft.gg is an independent fan information website focused on Grand Theft Auto VI. It organizes game-related reference material and coverage in one place, helping visitors explore the characters, world, and features discussed in connection with the title. The site offers a wiki, guides, a database, builds, tier lists, and news, with dedicated sections for vehicles, weapons, characters, locations, the map, businesses, gangs, wildlife, radio, activities, missions, equipment, and properties.

Its news coverage spans reported announcements, previews, gameplay details, release questions, merchandise, and discussions of mechanics such as wanted levels, weather, money, and side activities. Articles are presented with author names and publication dates, while searchable navigation helps users find topics of interest. GrandTheft.gg also provides a Discord community and promotes DotGG Premium, a paid service described as removing ads across DotGG sites; its Premium offer includes a lifetime pass with a stated limit of 500 seats. The website states that it is not affiliated with Rockstar Games.