Fathom
- Android app
- Not listed
- Free plan
- Yes
- Runs on
- Web

Summary
Fathom is a geography quiz game played on an interactive 3D globe. It covers countries, cities, landmarks and other geography topics, with answers entered by selecting a place on the globe, choosing an option, typing a response or estimating distance. Its about page lists 186 quiz packs and more than 7,600 questions across 497+ quizzes. A four-box Leitner system schedules questions for review across sessions, and each question has a written hint translated into all 14 supported languages. Progress saves automatically; signing in syncs it across devices and combines it with anonymous progress. Players can also take a daily challenge featuring the same 10 questions for everyone and use global or per-country quiz leaderboards. Fathom works offline as an installed Progressive Web App. All quizzes and packs are free and do not require an account. An optional premium subscription removes ads and provides detailed stats. The game is available on the web, and it covers 209 countries.
Who it is for
Fathom suits people who want to learn and retain geography through quizzes about countries, cities and landmarks. It also fits players who want offline access or progress syncing across devices.
What is good
- All quizzes and packs are free
- No account needed to play
- Review scheduling uses a four-box Leitner system
- Progress syncs across devices when signed in
- Installed PWA works offline
What to know first
- Available platform is web only
- Detailed stats require premium subscription
Everything Xiaomi review
Fathom: the full review
Fathom combines a broad geography quiz library with scheduled review, hints and several answer formats. The full quiz collection is free, while detailed stats and ad removal are optional premium features.
Fathom is a geography quiz game built around an interactive 3D globe, with questions on countries, cities, landmarks and more. It suits learners who want broad topic coverage and a way to revisit questions over time. Its strongest case is the combination of a fully free quiz library, scheduled review and offline play; readers seeking a mobile app should look elsewhere.
Overview
Fathom’s geography lessons take the form of quizzes rather than a separate course. Its library spans 186 packs and more than 7,600 questions across 497+ quizzes, covering 209 countries. That breadth gives curious learners plenty to explore, while the Leitner four-box system schedules questions for review across sessions—a useful feature for retention, not just one-off trivia.
Questions can be answered by clicking the globe, selecting an option, typing an answer or estimating a distance. This variety makes the quizzes more than a sequence of multiple-choice prompts, though the format may be less suitable for someone looking for structured instruction.
Key features
Review and progress
Progress saves automatically. Signing in syncs it across devices and merges progress made anonymously, so starting without an account does not mean giving up that work later. Each question also has a hand-written hint, translated into all 14 supported languages. Hints offer a nudge when recall stalls without replacing the challenge with an answer.
Daily play and offline access
The daily challenge gives everyone the same 10 questions, and global and per-country leaderboards add a competitive goal. Fathom also works offline as an installed Progressive Web App, a meaningful advantage for learners who want to keep playing without a connection.
Pricing
Fathom is freemium, but its Free plan costs 0.00 USD per free and includes all quizzes and packs with no account required. That makes the core learning experience unusually complete: readers do not have to choose a topic or pack based on a free-tier allowance.
An optional premium subscription removes ads and unlocks detailed stats. It is the fit for players who want a cleaner experience or more granular progress information; those interested only in the quizzes can stay on Free without losing access to the library. The subscription price and billing terms are custom pricing.
Platforms
Fathom is available on the web. Its installed Progressive Web App works offline, but readers looking specifically for an Android, iOS or desktop app should consider another option.
Who it's for
Fathom is best for geography learners who want to build and retain knowledge through repeated quizzes, across subjects from countries to landmarks. Its varied answer methods, hints and scheduled review suit self-directed practice. It is less compelling for someone who needs a mobile-native app or a guided course rather than quiz-based learning.
Pros and cons
- Pro: All quizzes and packs are free without an account, so the full library is open from the start.
- Pro: Leitner-based review, automatic saving and optional cross-device sync support continued practice.
- Pro: Offline PWA access and four answer methods give learners flexibility in where and how they play.
- Con: Web is the only listed platform, limiting its appeal to readers who want a native mobile app.
- Con: Detailed stats and ad removal require premium, so the free experience does not include those extras.
Alternatives
For more options, browse Geography Learning Apps. Seterra is a free alternative available on Android, iOS, macOS and web; choose it if platform coverage matters more than Fathom’s described review and offline features. GeoGuessr has a limited free version and a Pro Unlimited plan at 47.88 USD per year, billed $47.88/yr and displayed as $3.99/mo; consider it if that paid plan suits your budget. Where is that? is a mobile alternative with limited free daily play and all categories free in online multiplayer.
World Map & Countries offers a free selection of countries with ads, or every country for 4.99 USD per once; it may suit learners who want country coverage on a mobile or macOS app. MapZap puts a daily challenge, duels, local play, Blitz and the first campaign chapters in its free tier, making it an option for players drawn to those modes. CapitalsQuiz allows five free games per day per device and runs on iOS and web.
World Quest for Kids starts with 30+ countries for free and offers a 3.99 USD per month plan for the entire world and an ad-free experience. GeoGuess is another mobile and web option, with unlimited gameplay and no ads, trackers or subscription on its free plan.
Verdict
Choose Fathom if you want a broad, free geography quiz library that supports repeat practice and offline play in a browser. Its main limitation is platform choice: readers who want a native mobile app should compare alternatives such as Seterra or GeoGuess instead.
Fathom plans and pricing
All plansCompared on geography learning apps
- Free plan
- Yesfathom-game.com
- Core coverage
- mixedfathom-game.com
- Quiz modes
- mixedfathom-game.com
- Offline access
- Yesfathom-game.com
- Countries covered
- 209 countriesfathom-game.com
- Progress tracking
- Yesfathom-game.com
- Available platforms
- webfathom-game.com
Facts
- What it does
- Fathom is a geography learning game and quiz played on an interactive 3D globe.fathom-game.com · 3 Oct 2026
- Spaced repetition
- It uses a Leitner four-box system to schedule questions for review across sessions.fathom-game.com · 3 Oct 2026
- Quiz library
- The about page lists 186 quiz packs and more than 7,600 questions across 497+ quizzes.fathom-game.com · 3 Oct 2026
- Answer methods
- Players can answer by clicking the globe, choosing an option, entering text, or estimating distance.fathom-game.com · 3 Oct 2026
- Hints
- Each question has a hand-written hint, and the page says hints are translated into all 14 supported languages.fathom-game.com · 3 Oct 2026
- Challenges and rankings
- Fathom offers a daily challenge with the same 10 questions for everyone and global and per-country quiz leaderboards.fathom-game.com · 3 Oct 2026
- Offline use
- Fathom works offline as a Progressive Web App once installed.fathom-game.com · 3 Oct 2026
- Free access
- All quizzes and packs are available for free without an account; an optional premium subscription removes ads and unlocks detailed stats.fathom-game.com · 3 Oct 2026
- Who it is for
- The page describes Fathom as a way to learn and retain geographic knowledge through quizzes on countries, cities, landmarks, and other geography topics.fathom-game.com · 3 Oct 2026
- Developer
- Fathom is built by Nicolay Kjærnet, an independent developer in Norway.fathom-game.com · 3 Oct 2026
Best Fathom alternatives
See all 20Where it ranks on Everything Xiaomi
- Best Geography Learning Apps in 2026#10 of 31
Is Fathom yours?
Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.
Sources
- fathom-game.com· checked 3 Oct 2026
- fathom-game.com/about/· checked 3 Oct 2026


