| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,060 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,601 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,437 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,177 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,682 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,501 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,141 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,418 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,508 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,378 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,568 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,042 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,008 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,446 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,247 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,750 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,714 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,587 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,456 |
| Biggest Cities in the United States | 0 | - | 4.94 | 986,938 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,006 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,927 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,940 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,746 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,389 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,451 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,946 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,782 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,240 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,960 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,614 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,720 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,209 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,388 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,368 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,026 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,311 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,925 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,906 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,581 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,651 |
| Largest City by Island | 0 | - | 4.87 | 72,446 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,419 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,683 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,135 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,522 |
| Megacities on a World Map | 0 | - | 4.98 | 256,893 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,450 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,763 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,658 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,431 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,384 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,204 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,774 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,541 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,647 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,412 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,971 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,288 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,982 |
| Biggest Cities in Europe | 0 | - | 4.73 | 549,115 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,200 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,450 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,000 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,311 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,970 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,223 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,168 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,998 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,533 |
| Biggest Cities in California | 0 | - | 4.35 | 140,397 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,399 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,913 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,838 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,683 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,132 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,352 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,060 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,739 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,769 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,489 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,248 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,371 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,470 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,536 |
| Biggest Cities in New Jersey | 0 | - | 4.14 | 29,335 |
| 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 | 27,077 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 20,058 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,735 |
| 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 in Latin America | 0 | - | 4.48 | 64,978 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,098 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,646 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,154 |
| Biggest City by Region | 0 | - | 4.50 | 36,389 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,336 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,540 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,883 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,307 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,440 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,552 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,570 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,849 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,463 |
| Biggest Cities in History | 0 | - | 4.52 | 90,588 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,995 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,580 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,082 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,610 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,439 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,590 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,593 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,381 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,694 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,715 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,506 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,753 |
| Biggest Cities in France | 0 | - | 4.70 | 225,290 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,161 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,277 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,276 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,825 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,188 |
| Biggest Cities in China | 0 | - | 4.53 | 159,866 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,484 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,449 |
| Biggest Cities in India | 0 | - | 4.64 | 68,059 |
| Biggest Cities in Italy | 0 | - | 4.77 | 242,374 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,274 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 24,026 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 125,133 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,164 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,955 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,571 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,086 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,736 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,925 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,427 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,571 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,359 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,144 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,180 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,697 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,137 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,321 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,916 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,906 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,823 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,750 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,482 |
| Cities of Ireland | 0 | - | 4.51 | 50,907 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,258 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,585 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,532 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,145 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,320 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,036 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,465 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,973 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,996 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,044 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,097 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,918 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,385 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,172 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.31 | 40,990 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,796 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,799 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,496 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,344 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,826 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,839 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,133 |
| Countries with Megacities | 0 | - | 4.99 | 267,075 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,825 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,124 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,143 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,231 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,526 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,115 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,712 |
| 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 | 139,603 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,433 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,320 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,993 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,019 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,394 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,644 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,897 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,211 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,903 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,348 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,668 |
