| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,401 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,207 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,889 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,174 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,244 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,089 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,060 |
| Biggest Cities in the World | 0 | - | 4.91 | 799,549 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,118 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,139 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,073 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,507 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,907 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,995 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,463 |
| Biggest Cities in the United States | 0 | - | 4.94 | 979,222 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,344 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,091 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,743 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,359 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,503 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,208 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,925 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,610 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,057 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,911 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,142 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,643 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,727 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,633 |
| Biggest Cities in California | 0 | - | 4.35 | 139,937 |
| Biggest Cities in Florida | 0 | - | 4.24 | 72,146 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,704 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,418 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,272 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,669 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,792 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,371 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,201 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,380 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,527 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,619 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,327 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,772 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,644 |
| Largest City by Island | 0 | - | 4.87 | 71,943 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,057 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,040 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,604 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,221 |
| Megacities on a World Map | 0 | - | 4.98 | 254,817 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,252 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,406 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,016 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,807 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,822 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,670 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,482 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,765 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,350 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,665 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,496 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,160 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,132 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,230 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,877 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,583 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,592 |
| Biggest Cities in New Jersey | 0 | - | 4.13 | 28,609 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,175 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,902 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,947 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,992 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,614 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,197 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,432 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,901 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,047 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,379 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,939 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,565 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 89,466 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,001 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,855 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,415 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,125 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,855 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,569 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,517 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,322 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,395 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,208 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,236 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,280 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,762 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,624 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,100 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,007 |
| Biggest City by Region | 0 | - | 4.50 | 36,243 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,158 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,343 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,551 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,202 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,362 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,305 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,426 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 160,041 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,691 |
| Biggest Cities in History | 0 | - | 4.52 | 90,210 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,684 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,480 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,997 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,435 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,225 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,427 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,112 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,125 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,487 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,351 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,143 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,454 |
| Biggest Cities in France | 0 | - | 4.70 | 224,125 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,257 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,023 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,942 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,314 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,940 |
| Biggest Cities in China | 0 | - | 4.53 | 158,755 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,918 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,240 |
| Biggest Cities in India | 0 | - | 4.64 | 67,781 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,211 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 23,922 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,410 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,695 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,479 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,052 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,463 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,171 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,856 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,163 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,361 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,699 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,813 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,061 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,596 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,075 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,666 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,828 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,557 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,651 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,435 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,602 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,394 |
| Cities of Ireland | 0 | - | 4.51 | 50,684 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,191 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,134 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,194 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,150 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,532 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,527 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,244 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,258 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.80 | 74,848 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,963 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,962 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,844 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,204 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,004 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,936 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,830 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,357 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,155 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,653 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,324 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,689 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,616 |
| Countries with Megacities | 0 | - | 4.99 | 263,831 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,470 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,325 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,739 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,365 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 63,870 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,037 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,644 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,644 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,075 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,286 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,940 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,777 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,996 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,947 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,699 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,985 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,446 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,597 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,640 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,522 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,965 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,215 |
