| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,051 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,576 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,433 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,168 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,642 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,912 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,399 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,128 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,415 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,503 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,727 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,704 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,558 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,448 |
| Biggest Cities in the United States | 0 | - | 4.94 | 986,814 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,987 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,918 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,932 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,724 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,356 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,439 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,906 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,773 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,233 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,947 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,610 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,706 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,201 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,377 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,292 |
| Biggest Cities in California | 0 | - | 4.35 | 140,392 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,382 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,681 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,016 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,297 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,875 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,901 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,567 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,642 |
| Largest City by Island | 0 | - | 4.87 | 72,442 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,418 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,677 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,133 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,516 |
| Megacities on a World Map | 0 | - | 4.98 | 256,862 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,426 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,755 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,655 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,420 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,361 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,175 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,771 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,443 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,639 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,830 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,246 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,977 |
| Biggest Cities in Europe | 0 | - | 4.73 | 549,058 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,186 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,352 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,563 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,446 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,018 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,006 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,274 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,999 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,308 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,967 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,207 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,164 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,998 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,532 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,540 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,400 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,968 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,288 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,128 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,348 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,057 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,739 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,768 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,486 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,228 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,368 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,465 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,529 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,974 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,091 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,645 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,153 |
| Biggest City by Region | 0 | - | 4.50 | 36,389 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,334 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,538 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,878 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,305 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,440 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,542 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,569 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,839 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,459 |
| Biggest Cities in History | 0 | - | 4.52 | 90,578 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,985 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,578 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,081 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,609 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,415 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,586 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,583 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,378 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,691 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,711 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,502 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,749 |
| Biggest Cities in France | 0 | - | 4.70 | 225,271 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,134 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,275 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,267 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,813 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,183 |
| Biggest Cities in China | 0 | - | 4.53 | 159,846 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,478 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,445 |
| Biggest Cities in India | 0 | - | 4.64 | 68,054 |
| Biggest Cities in Italy | 0 | - | 4.77 | 242,343 |
| Biggest Cities in New Jersey | 0 | - | 4.14 | 29,328 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,297 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,900 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 26,030 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 27,067 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 20,058 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,734 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,489 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,989 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,165 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 125,130 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,162 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,954 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,564 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,080 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,726 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,923 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,422 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,565 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,293 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,139 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,177 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,696 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,137 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,316 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,916 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,903 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,813 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,746 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,482 |
| Cities of Ireland | 0 | - | 4.51 | 50,904 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,258 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,578 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,527 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,134 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,911 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,438 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,958 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,986 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,044 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,096 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,917 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,384 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,172 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.31 | 40,989 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 24,025 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,784 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,795 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,492 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,335 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,821 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,109 |
| Countries with Megacities | 0 | - | 4.99 | 267,033 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,809 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,111 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,129 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,222 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,523 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,115 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,711 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,732 |
| Saint Lucia Country Quiz | 0 | - | 4.68 | 18,145 |
| Biggest U.S. Cities A-Z | 0 | - | 4.68 | 139,601 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,422 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,312 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,922 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,004 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,382 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,638 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,888 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,205 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,900 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,334 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,655 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,744 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,881 |
