| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,668 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,676 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.90 | 83,497 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,146 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,651 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,254 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,525 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,264 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,269 |
| Biggest Cities in the World | 0 | - | 4.91 | 802,245 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,036 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,241 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,890 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,663 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,854 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,265 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,616 |
| Biggest Cities in the United States | 0 | - | 4.94 | 982,371 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,061 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,485 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,351 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,327 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,963 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,352 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 147,074 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,352 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,922 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,752 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,082 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,522 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,308 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,093 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,404 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,926 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,043 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,486 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,302 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,674 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,217 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,171 |
| Largest City by Island | 0 | - | 4.87 | 72,155 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,244 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,339 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,876 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,713 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,226 |
| Megacities on a World Map | 0 | - | 4.98 | 255,730 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,575 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,302 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,474 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,744 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,319 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,325 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,389 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,717 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,861 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,669 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,681 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,349 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,403 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,857 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,544 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,883 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,146 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,803 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,031 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,078 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,918 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,458 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,942 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,652 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,628 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,393 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,264 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,282 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,864 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,886 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,320 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,157 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,830 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,588 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,848 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,068 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,525 |
| Biggest City by Region | 0 | - | 4.50 | 36,305 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,222 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,432 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,041 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,755 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,248 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,506 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,390 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,408 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,484 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,062 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 165,274 |
| Biggest Cities in History | 0 | - | 4.52 | 90,368 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,504 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,514 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,883 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,375 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,249 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,581 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,506 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,304 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,598 |
| Biggest Cities in France | 0 | - | 4.70 | 224,631 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,648 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,131 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,266 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,092 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,446 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,551 |
| Biggest Cities in China | 0 | - | 4.53 | 159,289 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,189 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,341 |
| Biggest Cities in India | 0 | - | 4.64 | 67,907 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,673 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,612 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,856 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,662 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,267 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,713 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,387 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,643 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,660 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,423 |
| Cities of Ireland | 0 | - | 4.51 | 50,770 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,222 |
| Biggest Cities in California | 0 | - | 4.35 | 140,129 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,246 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,792 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,460 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,319 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,732 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,867 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,481 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,223 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,548 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,568 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,459 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 107,955 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,111 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,101 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 166,968 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,868 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,581 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,001 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,022 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,763 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,591 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,872 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,679 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,277 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,093 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,321 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,332 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,956 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,582 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,068 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,500 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,278 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,019 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,524 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 234,848 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,759 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,768 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,358 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,180 |
| Countries with Megacities | 0 | - | 4.99 | 265,265 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,006 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,628 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,261 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,699 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,247 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,070 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,112 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,417 |
| Biggest Cities in New Jersey | 0 | - | 4.14 | 29,022 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,226 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,837 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,948 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,999 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 20,028 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,661 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,235 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,458 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,947 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,092 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 382,637 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,159 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,034 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,872 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,414 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,997 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,297 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,655 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,851 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,748 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,865 |
