| Countries of Europe by Population | 0 | - | 4.98 | 182,659 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,190 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,882 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,551 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,771 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,791 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,002 |
| Random European Capital to Country | 0 | - | 4.98 | 192,012 |
| Random European Country to Capital | 0 | - | 4.93 | 165,788 |
| Europe Capital to Country | 0 | - | 4.99 | 251,849 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,813 |
| European Capitals by Map | 0 | - | 4.99 | 141,852 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,757 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,089 |
| European Coastal Capitals | 0 | - | 4.95 | 91,215 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,551 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,860 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,886 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,282 |
| Official Cities in the UK | 0 | - | 4.89 | 285,907 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,497 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,995 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,519 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,651 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,739 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,555 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,310 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,832 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,834 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,455 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,499 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,862 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,159 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,922 |
| Countries with Megacities | 0 | - | 4.99 | 266,659 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,631 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,987 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,931 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,098 |
| Biggest Cities in the World | 0 | - | 4.91 | 804,687 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,777 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,935 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,348 |
| Random African Capital to Country | 0 | - | 4.97 | 101,256 |
| Random African Country to Capital | 0 | - | 4.95 | 71,688 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,367 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,252 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,868 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,565 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,841 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,124 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,519 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,771 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,522 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,740 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,840 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,805 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,137 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,333 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,577 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,671 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,171 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,247 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,867 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,553 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,345 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,621 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 65,138 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,308 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,134 |
| Biggest Cities in the United States | 0 | - | 4.94 | 985,849 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,790 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,974 |
| Name a City - European Countries | 0 | - | 4.90 | 66,067 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,937 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,996 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,312 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,194 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,417 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,865 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,172 |
| Cities in European History #1 | 0 | - | 4.63 | 134,527 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,123 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,298 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,994 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,370 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,873 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,229 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,577 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,683 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,812 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,153 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,480 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,538 |
| Largest City by Island | 0 | - | 4.87 | 72,378 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,374 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,601 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,071 |
| Megacities on a World Map | 0 | - | 4.98 | 256,601 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,454 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,720 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,572 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,736 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,011 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,016 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,554 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,689 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,820 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,474 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,138 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,479 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,824 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,685 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,360 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,937 |
| Asia Capital to Country | 0 | - | 4.96 | 127,306 |
| African Capitals by Map | 0 | - | 4.99 | 141,886 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,812 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,131 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,241 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,116 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,705 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,218 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,553 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,805 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,916 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,491 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,899 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,018 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,389 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,102 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,459 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,183 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,512 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,840 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,133 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,331 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,856 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,847 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,187 |
| Most Populous Islands | 0 | - | 4.80 | 123,257 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,368 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,631 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,963 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,927 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,448 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,759 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,664 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,590 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,854 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,963 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,468 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,489 |
| Capitals of the Stans | 0 | - | 4.95 | 27,096 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,753 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,989 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,279 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,946 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,072 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,590 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,026 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,884 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,780 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,482 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,585 |
| Boroughs of London | 0 | - | 4.63 | 88,460 |
| London Geography | 0 | - | 4.47 | 59,837 |
| UK Immigration by Country | 0 | - | 4.94 | 141,578 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,273 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,721 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,101 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,518 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,832 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,609 |
| Boundary Waters | 0 | - | 4.92 | 88,725 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,378 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,606 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,221 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,875 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,074 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,307 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,036 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,631 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,133 |
| Biggest City by Region | 0 | - | 4.50 | 36,370 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,309 |
| Biggest Cities by Latitude Range | 0 | - | 4.80 | 32,587 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,971 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,924 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,179 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,294 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,429 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,509 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,338 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,372 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,531 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,345 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,023 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,835 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,552 |
