Fathom is a free geography quiz game played on an interactive 3D globe. Spin a photorealistic Earth and click directly on countries, cities, seas, and mountains to answer.
Built-in Leitner box spaced repetition tracks what you know and resurfaces what you struggle with across sessions, days, and weeks, building real long-term memory, not just short-term recall.
Your mastery is painted directly onto the 3D globe. Sign in to sync progress across all your devices: phone, tablet, and computer. Anonymous progress is merged automatically when you create an account.
181 quiz packs covering 204 countries, capitals, flags, 1,200+ cities, 730+ landmarks, 86 bodies of water, 45 mountains, 26 volcanoes, and regional quizzes for 25 countries.
4 answer methods (click, multiple choice, text input, distance estimation), 3 difficulty levels, daily challenges, and leaderboards. Split large quizzes into quick rounds of 10 or 15 questions. Progress is saved automatically so you can pick up where you left off.
Available in 8 languages: English, Norwegian, German, French, Spanish, Portuguese, Italian, and Japanese. Works offline as a Progressive Web App. Native apps for iOS and Android coming soon.
Browse all geography quizzes · Learn more about Fathom