Atlasplay All games Daily challenge Data & sources Português (Portugal) Guess the Number How big, how long, how much? Put a number on it.
How to play & scoring Estimate the statistic in the displayed unit. Your result shows how far your estimate is from the actual value as a percentage. Lower is better.
Worked example If the recorded value is 80 and you estimate 100, the difference is 20. Divide 20 by the recorded 80 to get 25% error. Estimating 60 also gives 25% error; an exact 80 gives zero.
Examples illustrate the rules. They are not real country statistics or answers to your round.
What to watch for Check the unit before entering a number. A percentage, a count and a value expressed in thousands require different estimates. Percentage error measures the size of your miss relative to the actual value.
How we select and compare the data
More geography games Countries Explore countries through statistics, clues and connections.
Classic — Five secret countries. Five categories. Keep your score low.Rank Guess — Five countries. Five categories. Find their place in the world.Sort It Out — Trust your instincts. Put five countries in the right order.Higher or Lower — Two countries. One decision. How far can your streak go?Top of the World — Think big. Name a country that makes the top ranks.Strong Suit — One country. Four categories. Where does it rank best?Country Champion — One category. Four countries. Pick the world leader.Mystery Country — People, places, history, and rankings. Uncover a country.Where in the World? — A famous name, a landmark, a moment in history. Where does it belong?World Grid — Nine spaces. Nine countries. Connect the clues.Rank Clash — Pick your country’s winning category in five matchups.Odd One Out — Four countries. One doesn’t belong. Find it.World Connections — A city, a landmark, a landscape. One country connects them.Wildlife Discover the unexpected places animals call home.
Cities Find your bearings among the world’s cities.
City Locator — One city. One pin. How close can you get?North or South? — Follow the cities north and south. Keep your streak alive.Mystery City — Follow the clues. Find the city behind the mystery.Landmarks Explore remarkable structures and their stories.
Nature & Landscapes Reach the summits, explore the lakes, follow the rivers.
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