GeoGeeker is a free geography guessing game where players identify countries by clicking on an interactive world map. Game modes include guessing countries from photos of famous people, identifying national flags from all 195 countries, and a unique historical flags mode featuring flags of defunct empires and nations including the Ottoman Empire, Soviet Union, Roman Empire, British Empire, and over 100 other historical entities. A daily challenge mode gives every player the same 10 questions per day for competitive comparison. GeoGeeker is free to play with no signup required and works on desktop and mobile browsers.