| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,093 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,503 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,810 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,523 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,216 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,367 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,575 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,839 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,304 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,321 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,125 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,666 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,706 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,974 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,881 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,086 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,503 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,539 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,608 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,674 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,596 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,064 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,178 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,760 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,814 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,821 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,333 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,947 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,043 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,120 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,933 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,295 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,460 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,309 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,744 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,801 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,514 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,544 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,127 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,507 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,865 |
| Largest City by Island | 0 | - | 4.87 | 71,057 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,397 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,559 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,713 |
| Megacities on a World Map | 0 | - | 4.98 | 251,007 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,331 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,807 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,878 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,794 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,164 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,641 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,022 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,656 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 124,273 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,097 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,993 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,053 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,236 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,858 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,521 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,071 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,288 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,288 |
| Countries with Megacities | 0 | - | 4.99 | 247,009 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,162 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,005 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,589 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,909 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,542 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,124 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,033 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,454 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,789 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,028 |
| Biggest Cities in France | 0 | - | 4.69 | 222,172 |
| Biggest Cities in Spain | 0 | - | 4.63 | 169,859 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,658 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,456 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,963 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,494 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,225 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,684 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,610 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,479 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,923 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,908 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,453 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,711 |
| Biggest City by Region | 0 | - | 4.50 | 35,999 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,904 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,021 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,222 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,925 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,260 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,851 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,950 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,900 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,500 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,621 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.61 | 65,313 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,262 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,709 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,621 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,171 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,557 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,796 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,405 |
| Biggest Cities in History | 0 | - | 4.52 | 89,136 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,122 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,188 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 68,199 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,810 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,521 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 115,974 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,608 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,921 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,195 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,002 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,256 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,658 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,092 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,158 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,355 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,958 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,418 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,608 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,863 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,978 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,669 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,464 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 84,009 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,762 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,485 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,253 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,223 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,802 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,530 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,161 |
| Biggest Cities in China | 0 | - | 4.53 | 157,040 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,840 |
| Biggest Cities in India | 0 | - | 4.70 | 67,340 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,494 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,312 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,293 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,624 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,581 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,822 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,229 |
| Europe Capital to Country | 0 | - | 4.99 | 247,949 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,486 |
| European Capitals by Map | 0 | - | 4.99 | 136,315 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,211 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,634 |
| European Coastal Capitals | 0 | - | 4.95 | 89,785 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,872 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,136 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,130 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,933 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,918 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,721 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,733 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 38,971 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,346 |
| Most Populous Islands | 0 | - | 4.79 | 121,999 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,203 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,408 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,025 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,875 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,010 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,620 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,831 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,414 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,851 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,152 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,940 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,321 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,681 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,004 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,753 |
| Flags to Largest Cities | 0 | - | 4.55 | 50,794 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,431 |
| Cities of Ireland | 0 | - | 4.51 | 50,335 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,098 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,941 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,843 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,886 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,384 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,795 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,605 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,635 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,787 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,456 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,610 |
| Official Cities in the UK | 0 | - | 4.89 | 280,604 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,425 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,142 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,718 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,783 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,118 |
