GeoGuessr is an online geographic discovery game that challenges players to identify locations around the world using clues from panoramic street view imagery. Players are placed in a randomly selected location and must navigate the surroundings to gather hints about their whereabouts, then mark their guessed location on a map. The game offers various modes, including single-player, multiplayer challenges, and themed maps. A subscription provides access to a wider variety of maps, modes like 'Country Streaks,' and enhanced game features.