| Countries of Europe by Population | 0 | - | 4.98 | 182,805 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,315 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,343 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,398 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,112 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,843 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,492 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,167 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,494 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,842 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,728 |
| Europe Capital to Country | 0 | - | 4.99 | 251,955 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,891 |
| European Capitals by Map | 0 | - | 4.99 | 141,956 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,812 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,128 |
| European Coastal Capitals | 0 | - | 4.95 | 91,257 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,650 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,291 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,914 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,941 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,628 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,824 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,814 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,943 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,949 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,477 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,208 |
| Official Cities in the UK | 0 | - | 4.89 | 286,041 |
| Cities in European History #1 | 0 | - | 4.63 | 134,564 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,538 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,055 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,552 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,678 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,055 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,652 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,384 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 102,735 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,871 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,986 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,530 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,527 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,770 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,447 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,324 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,023 |
| Countries with Megacities | 0 | - | 4.99 | 266,867 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,737 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,044 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,054 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,169 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,085 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,798 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,027 |
| Random European Capital to Country | 0 | - | 4.98 | 192,067 |
| Random European Country to Capital | 0 | - | 4.93 | 165,833 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,398 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,285 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,947 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,613 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,867 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,172 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,555 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,924 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,565 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,933 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,890 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,873 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,259 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,399 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,771 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,725 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,212 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,436 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,914 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,582 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,387 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,663 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,176 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,353 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,216 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,985 |
| Biggest Cities in the United States | 0 | - | 4.94 | 986,405 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,901 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,093 |
| Name a City - European Countries | 0 | - | 4.90 | 66,110 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,324 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,417 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,347 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,221 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,624 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,392 |
| Biggest Cities in History | 0 | - | 4.52 | 90,559 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,937 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,685 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,287 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,437 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,962 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,488 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,169 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,290 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,007 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,378 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,887 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,287 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,615 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,719 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,854 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,179 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,524 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,588 |
| Largest City by Island | 0 | - | 4.87 | 72,407 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,643 |
| Megacities on a World Map | 0 | - | 4.98 | 256,740 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,706 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,740 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,616 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,749 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,143 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,180 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,244 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,606 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,748 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,414 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,987 |
| Former Capitals | 0 | - | 4.88 | 71,658 |
| Asia Capital to Country | 0 | - | 4.96 | 127,335 |
| African Capitals by Map | 0 | - | 4.99 | 142,018 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,864 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,158 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,464 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,137 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,735 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,284 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,235 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,603 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,871 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,946 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,522 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,082 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,400 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,143 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,484 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,761 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,009 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,188 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,361 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,909 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,833 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,954 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,313 |
| Most Populous Islands | 0 | - | 4.80 | 123,288 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,378 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,640 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,970 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,939 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,468 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,782 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,670 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,604 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,896 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,007 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,476 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,499 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,507 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,464 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,349 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,664 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,295 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,367 |
| Capitals of the Stans | 0 | - | 4.95 | 27,115 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,772 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,064 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,291 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,956 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,076 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,658 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,241 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,030 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,887 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,862 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,724 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,626 |
| Boroughs of London | 0 | - | 4.63 | 88,501 |
| London Geography | 0 | - | 4.47 | 59,852 |
| UK Immigration by Country | 0 | - | 4.94 | 141,641 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,610 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,906 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,121 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,676 |
| Boundary Waters | 0 | - | 4.92 | 88,746 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,397 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,657 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,279 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,927 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,928 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,099 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,322 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,061 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,643 |
