| Countries of Europe by Population | 0 | - | 4.98 | 183,841 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 235,053 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,179 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 152,073 |
| Name a City - European Countries | 0 | - | 4.89 | 66,470 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,438 |
| Europe Capital to Country | 0 | - | 4.99 | 252,738 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,391 |
| European Capitals by Map | 0 | - | 4.99 | 142,744 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,201 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,452 |
| European Coastal Capitals | 0 | - | 4.95 | 91,560 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,883 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,975 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,567 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,429 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,158 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 109,014 |
| Official Cities in the UK | 0 | - | 4.89 | 287,091 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,767 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,714 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,865 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,243 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,272 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,085 |
| Countries Bordering France | 0 | - | 4.83 | 405,516 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,383 |
| Europe Map Quiz | 0 | - | 5.00 | 4,795,404 |
| Name a Valid European Capital | 0 | - | 4.95 | 154,105 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,735 |
| UK Immigration by Country | 0 | - | 4.94 | 141,956 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,188 |
| Germany Country Quiz | 0 | - | 4.82 | 159,166 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,385 |
| Andorra Country Quiz | 0 | - | 4.91 | 32,025 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 187,096 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,504 |
| France Cities Map Quiz | 0 | - | 4.96 | 168,113 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,314 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,661 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,298 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,135 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,920 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,237 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,673 |
| Countries with Megacities | 0 | - | 4.99 | 268,208 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,309 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,418 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,971 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,651 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,537 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 52,156 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,588 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,720 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 49,152 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,201 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,965 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,193 |
| Countries Once Held by Sweden | 0 | - | 4.18 | 34,877 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 99,312 |
| Countries Bordering Austria | 0 | - | 4.97 | 119,086 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,407 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 76,070 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,254 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,478 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,601 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,800 |
| Sweden Country Quiz | 0 | - | 4.35 | 68,652 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,829 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,460 |
| Counties of Ireland | 0 | - | 4.92 | 197,794 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,752 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,464 |
| European Capitals by Airport Code | 0 | - | 4.93 | 37,038 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,891 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,862 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,095 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,617 |
| Which City in Europe? | 0 | - | 4.83 | 108,042 |
| Boroughs of London | 0 | - | 4.63 | 88,748 |
| London Geography | 0 | - | 4.47 | 59,940 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 105,066 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,352 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,467 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,572 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,337 |
| Countries that Beat Portugal | 0 | - | 4.86 | 60,044 |
| Norway Country Quiz | 0 | - | 4.45 | 77,951 |
| Denmark Country Quiz | 0 | - | 4.78 | 76,361 |
| Finland Country Quiz | 0 | - | 4.51 | 60,111 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,450 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,631 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,519 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,634 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,895 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,277 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,436 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,771 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,172 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,302 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 33,027 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 228,023 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,773 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,832 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 81,021 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,446 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,416 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,161 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,763 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,901 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,355 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,618 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,877 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 40,213 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,915 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,684 |
| Cities in European History #1 | 0 | - | 4.63 | 134,978 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,484 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,932 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 54,657 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,552 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,506 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,392 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,618 |
| The Only European Country ... | 0 | - | 4.91 | 219,787 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,933 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,234 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,324 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,576 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,717 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,493 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,262,620 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,739 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 96,005 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,656 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,934 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,954 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,119 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,293 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,850 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,941 |
| Largest City by Island | 0 | - | 4.87 | 72,616 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,534 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,941 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,303 |
| Megacities on a World Map | 0 | - | 4.98 | 257,676 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,560 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,885 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,891 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,932 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 78,723 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.97 | 124,472 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,399 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,932 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,128 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,074 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,648 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,330 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,594 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,961 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,917 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,756 |
| Asia Capital to Country | 0 | - | 4.96 | 127,754 |
| African Capitals by Map | 0 | - | 4.99 | 142,722 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,184 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,298 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,521 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,272 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,922 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,790 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,455 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,443 |
| Slavic Countries | 0 | - | 4.96 | 112,568 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,849 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,896 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,479 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,856 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,598 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,961 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,965 |
| Counties of England | 0 | - | 4.97 | 804,784 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,075 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,429 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,642 |
| Random European City to Country | 0 | - | 4.69 | 118,581 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,941 |
| Geography of Rome | 0 | - | 4.51 | 16,724 |
| Paris City Trivia | 0 | - | 4.31 | 35,657 |
| Venice Trivia | 0 | - | 4.45 | 10,505 |
| Milan Trivia | 0 | - | 4.56 | 15,223 |
| Berlin City Trivia | 0 | - | 4.67 | 13,347 |
| Amsterdam Trivia | 0 | - | 4.46 | 15,881 |
| Rome City Trivia | 0 | - | 4.49 | 20,750 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,177 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,767 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,959 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,409 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,453 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,508 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,427 |
