| Countries of Europe by Population | 0 | - | 4.98 | 178,960 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,546 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,455 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,317 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,244 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,970 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,244 |
| Random European Capital to Country | 0 | - | 4.98 | 189,644 |
| Random European Country to Capital | 0 | - | 4.92 | 147,746 |
| Europe Capital to Country | 0 | - | 4.99 | 248,615 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,941 |
| European Capitals by Map | 0 | - | 4.99 | 137,376 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,504 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,882 |
| European Coastal Capitals | 0 | - | 4.95 | 90,023 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,549 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,157 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,420 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,131 |
| Official Cities in the UK | 0 | - | 4.89 | 281,582 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,628 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,479 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,865 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,935 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,162 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,051 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,242 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,522 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,817 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,454 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,847 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,438,594 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,529 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,026 |
| Countries with Megacities | 0 | - | 4.99 | 248,459 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,915 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,420 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,302 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,361 |
| Biggest Cities in the World | 0 | - | 4.91 | 793,080 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,317 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,590 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,696 |
| Random African Capital to Country | 0 | - | 4.97 | 99,921 |
| Random African Country to Capital | 0 | - | 4.94 | 70,402 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,349 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,208 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,684 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,211 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,815 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,011 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,801 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,487 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,557 |
| Biggest Cities in Europe | 0 | - | 4.70 | 543,286 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,048 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,228 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,949 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,293 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,351 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,906 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,842 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,961 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,969 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,351 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,109 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,422 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,950 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,990 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,120 |
| Biggest Cities in the United States | 0 | - | 4.93 | 970,472 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,548 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,081 |
| Name a City - European Countries | 0 | - | 4.91 | 64,733 |
| Africa Capitals Quiz | 0 | - | 4.99 | 732,687 |
| Asia Capitals Quiz | 0 | - | 4.98 | 688,237 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,136 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,916 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,022 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 97,592 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,014 |
| Cities in European History #1 | 0 | - | 4.63 | 133,446 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,708 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,652 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,711 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,146 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,290 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,726 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,258 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,664 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,829 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,549 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,267 |
| Biggest Cities by Language | 0 | - | 4.96 | 244,821 |
| Largest City by Island | 0 | - | 4.87 | 71,320 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,546 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,860 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,821 |
| Megacities on a World Map | 0 | - | 4.98 | 251,994 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,884 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,978 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,259 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,211 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,220 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,374 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,559 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,843 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,586 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,469 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,840 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,727 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,969 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,456 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,946 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,289 |
| Asia Capital to Country | 0 | - | 4.96 | 126,062 |
| African Capitals by Map | 0 | - | 4.99 | 132,639 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,619 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,304 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,864 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,531 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,815 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,121 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,416 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,464 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,693 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,353 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,320 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,979 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,681 |
| Megacities on an Empty Map | 0 | - | 4.97 | 116,403 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,507 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,832 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,678 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,880 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,901 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,420 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,737 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,494 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,977 |
| Most Populous Islands | 0 | - | 4.79 | 122,135 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,228 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,442 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,672 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,759 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,973 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,102 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,393 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,265 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,873 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,014 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,218 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 93,900 |
| Capitals of the Stans | 0 | - | 4.95 | 26,565 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,114 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,360 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 68,656 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,238 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,897 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,010 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,872 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,811 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,837 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,123 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,638 |
| Boroughs of London | 0 | - | 4.63 | 87,313 |
| London Geography | 0 | - | 4.47 | 59,538 |
| UK Immigration by Country | 0 | - | 4.94 | 140,003 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,919 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,309 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,884 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,850 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,720 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,694 |
| Boundary Waters | 0 | - | 4.92 | 88,165 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,915 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,549 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,664 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,041 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,053 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,918 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,137 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,965 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,811 |
| Biggest City by Region | 0 | - | 4.50 | 36,045 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,977 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,602 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,715 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,676 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,085 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,271 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,037 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,945 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,130 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,618 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 36,885 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,910 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,761 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,307 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,147 |
