| Biggest Cities in the World | 0 | - | 4.91 | 756,834 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 401,008 |
| Biggest Cities in the United States | 0 | - | 4.94 | 921,565 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 354,154 |
| Biggest City by Time Zone | 0 | - | 4.87 | 62,340 |
| Biggest City in Every Country | 0 | - | 4.98 | 91,391 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 190,844 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 103,336 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 111,962 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 74,046 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 79,765 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 73,775 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 45,849 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 65,965 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 49,322 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 554,116 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 115,508 |
| Biggest Cities by Language | 0 | - | 4.95 | 225,292 |
| Largest City by Island | 0 | - | 4.89 | 67,908 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.92 | 68,195 |
| Most Populous World Capitals | 0 | - | 4.93 | 170,362 |
| Biggest European Cities by Century | 0 | - | 4.98 | 125,843 |
| Megacities on a World Map | 0 | - | 4.98 | 234,326 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 64,585 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 70,404 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 101,405 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 161,905 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 162,895 |
| Biggest Cities in Asia | 0 | - | 4.94 | 104,930 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 47,735 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 328,935 |
| Megacities on an Empty Map | 0 | - | 4.95 | 93,977 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 47,598 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 66,975 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 71,368 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 214,483 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 130,155 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 108,781 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 153,907 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 42,355 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 112,120 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 76,000 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 36,590 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.88 | 109,516 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.85 | 58,568 |
| Biggest Cities in Europe | 0 | - | 4.74 | 523,198 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 100,397 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 44,418 |
| Biggest City by Region | 0 | - | 4.50 | 35,204 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 55,925 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 54,192 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 98,522 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,340 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,642 |
| Two Largest Cities by First Two Letters | 0 | - | 4.54 | 81,404 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 52,170 |
| Largest Nordic Cities on a Map | 0 | - | 4.83 | 34,618 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,592 |
| Biggest Cities in Germany | 0 | - | 4.95 | 282,191 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.86 | 87,069 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 39,824 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 90,824 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 45,116 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 141,143 |
| Biggest Cities in History | 0 | - | 4.50 | 86,398 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 70,994 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 42,245 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 67,074 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 30,300 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 119,738 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 112,824 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 104,981 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 118,043 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 138,044 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 122,360 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 160,337 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 118,727 |
| Fastest Growing U.S. Cities | 0 | - | 4.37 | 72,121 |
| Second Biggest Cities by Country | 0 | - | 4.36 | 44,562 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,631 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,147 |
| Biggest Cities by Latitude | 0 | - | 4.77 | 27,095 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.75 | 71,796 |
| Biggest Mediterranean Cities | 0 | - | 4.56 | 89,414 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 39,875 |
| Biggest English Cities by Century | 0 | - | 4.89 | 103,702 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,392,292 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 367,106 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 162,343 |
| Countries with Megacities | 0 | - | 4.99 | 221,868 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 189,284 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 107,533 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 128,643 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 74,912 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 298,582 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 105,062 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 63,297 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 161,357 |
| Biggest Cities in the World - 2100 | 0 | - | 4.23 | 89,176 |
| Flags to Largest Cities | 0 | - | 4.55 | 36,295 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 105,837 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 90,264 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,504 |
| Biggest World Cities A-Z | 0 | - | 4.61 | 215,740 |
| Biggest Cities Starting With B | 0 | - | 4.35 | 157,759 |
| Biggest Cities Starting With C | 0 | - | 4.10 | 101,997 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 84,161 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 122,141 |
| Biggest Cities Starting With T | 0 | - | 4.28 | 123,772 |
| Biggest European Cities by Letter | 0 | - | 4.62 | 124,003 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 64,647 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,313 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 81,082 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,727 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 35,846 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 39,371 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 36,111 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 123,451 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 82,746 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 259,222 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 117,039 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 108,465 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 89,185 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 44,695 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 82,142 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 71,513 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 49,875 |
| Biggest Cities by Trait #2 | 0 | - | 4.40 | 14,921 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 41,109 |
| Biggest Urban Areas in the UK | 0 | - | 4.41 | 173,070 |
| Biggest Cities in Japan | 0 | - | 4.68 | 80,627 |
| Biggest Cities in Russia | 0 | - | 4.48 | 80,416 |
| Biggest Cities in France | 0 | - | 4.70 | 214,954 |
| Biggest Cities in Spain | 0 | - | 4.63 | 164,667 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 54,118 |
| Biggest Cities in Poland | 0 | - | 4.57 | 51,836 |
| Biggest Cities in the UK | 0 | - | 4.47 | 100,788 |
| Biggest Cities in China | 0 | - | 4.47 | 151,151 |
| Cities of Ireland | 0 | - | 4.50 | 49,004 |
| Biggest Cities in Canada | 0 | - | 4.56 | 128,366 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 45,946 |
| Biggest Cities in India | 0 | - | 4.70 | 65,810 |
| Biggest Cities in Italy | 0 | - | 4.70 | 232,523 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 136,171 |
| Countries of Europe by Population | 0 | - | 4.98 | 167,214 |
| Most Populous Countries by Year | 0 | - | 4.81 | 104,192 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 82,170 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 110,504 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 102,034 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 108,413 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 85,869 |
| Jewish Cities Quiz | 0 | - | 4.33 | 60,857 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 30,937 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 20,730 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.35 | 98,210 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 103,782 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 83,020 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.16 | 78,181 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.37 | 31,972 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.03 | 65,869 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.26 | 71,650 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.32 | 72,822 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 216,181 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 131,075 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.86 | 73,236 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 81,319 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 64,951 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 71,015 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 93,428 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 160,545 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 164,787 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 69,722 |
| Demographics Multiple Choice | 0 | - | 4.68 | 41,416 |
| Biggest Nordic Cities | 0 | - | 4.38 | 60,866 |
| U.S. Cities by Hispanic Population | 0 | - | 4.30 | 36,469 |
| Biggest Axis-Controlled Cities | 0 | - | 4.43 | 47,501 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 58,822 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 77,579 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,273 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.51 | 22,616 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 51,322 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 37,470 |
| All Cities in China with Population of 1 Million | 0 | - | 4.78 | 43,250 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,654 |
| Biggest Cities in Washington State | 0 | - | 4.46 | 34,887 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 34,015 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 222,182 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 174,838 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 171,518 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 99,775 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 105,402 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 154,819 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 69,795 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.91 | 20,365 |
| Largest Cities in Alexander's Empire | 0 | - | 4.57 | 39,455 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.40 | 46,981 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.27 | 108,176 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 62,347 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,344 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,382 |
