| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,506 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,327 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,129 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,712 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,479 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,129 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,819 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,545 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,659 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,617 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,641 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,811 |
| Name a City - European Countries | 0 | - | 4.90 | 65,997 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,378 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,803 |
| The Only European Country ... | 0 | - | 4.91 | 218,476 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,217 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,382 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,191 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,200 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,049 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,390 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,473 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,851 |
| Europe Capital to Country | 0 | - | 4.99 | 251,708 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,729 |
| European Capitals by Map | 0 | - | 4.99 | 141,588 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,695 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,029 |
| European Coastal Capitals | 0 | - | 4.95 | 91,142 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,409 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,031 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,976 |
| Slavic Countries | 0 | - | 4.96 | 112,214 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,808 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,323 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,866 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,302 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,632 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,660 |
| Counties of England | 0 | - | 4.97 | 801,536 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,014 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,072 |
| Official Cities in the UK | 0 | - | 4.89 | 285,664 |
| Cities in European History #1 | 0 | - | 4.63 | 134,484 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,446 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,483 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,614 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,353 |
| Monarchies of Europe | 0 | - | 4.90 | 98,689 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,359 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,268 |
| European Countries with One Border | 0 | - | 4.97 | 183,546 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,301 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,399 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,597 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,724 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,271 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,402 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,314 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,210 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 162,112 |
| Modern Day Countries of the Portuguese Empire on a Map | 0 | - | 4.56 | 52,066 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,923 |
| Countries That Border Russia | 0 | - | 4.98 | 464,025 |
| Countries Bordering France | 0 | - | 4.83 | 404,452 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,427 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,142 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,759 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,359 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,470 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,793 |
| UK Immigration by Country | 0 | - | 4.94 | 141,506 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,356 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,674 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,674 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,616 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,894 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,660 |
| Germany Country Quiz | 0 | - | 4.82 | 158,625 |
| Russia Country Quiz | 0 | - | 4.83 | 115,170 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,722 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,642 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,513 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,883 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,650 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,046 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,561 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,934 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,353 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,897 |
| Departments of France | 0 | - | 4.93 | 54,907 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,703 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,360 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,523 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,645 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,746 |
| Independence from Whom | 0 | - | 4.99 | 212,722 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,193 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,298 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,747 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,319 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,880 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,646 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,975 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,841 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,553 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,136 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,230 |
| Countries by Founding Story | 0 | - | 4.95 | 77,654 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,664 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,597 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,910 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,858 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,940 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,184 |
| Countries that Border Poland | 0 | - | 4.99 | 172,991 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,694 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,088 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,854 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,163 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,404 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,119 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,177 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,287 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,168 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,426 |
| Asia Map Quiz | 0 | - | 4.99 | 923,447 |
| Counties of Ireland | 0 | - | 4.92 | 196,895 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,819 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,882 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,327 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,973 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,821 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,670 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,270 |
| Which City in Europe? | 0 | - | 4.83 | 107,785 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,077 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,400 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,574 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,759 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,996 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,426 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,247 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,136 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,057 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,754 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,999 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,980 |
| Malta Country Quiz | 0 | - | 4.81 | 31,208 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,910 |
| US States with an Empty Map | 0 | - | 5.00 | 627,667 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,610 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,430 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,857 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,474 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,364 |
| Cities by Former Name | 0 | - | 4.83 | 91,939 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,449 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,586 |
| Recently Independent Countries | 0 | - | 4.98 | 159,779 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,665 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,206 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,538 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,709 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,405 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,857 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,393 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,850 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 145,385 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,261 |
| Modern Day Countries of the Mughal Empire on a Map | 0 | - | 4.43 | 33,801 |
| Random European Flag to Country | 0 | - | 4.90 | 183,913 |
| Countries by Former Name | 0 | - | 4.99 | 125,644 |
| Countries of Africa | 0 | - | 5.00 | 2,553,944 |
| Historical City to Country | 0 | - | 4.85 | 78,840 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,714 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,885 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,935 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,154 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,405 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,294 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,307 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,721 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,442 |
| Australia Map Quiz | 0 | - | 4.95 | 345,855 |
| European Cities Beginning with B - Click Map | 0 | - | 4.77 | 78,636 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,977 |
| Rivers of the United States | 0 | - | 4.93 | 66,569 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,289 |
| African East Coast | 0 | - | 4.96 | 96,598 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,682 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,692 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,527 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,218 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,413 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,458 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,142 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,757 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,433 |
