| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,486 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,860 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,995 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,750 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,985 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,922 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,740 |
| Biggest Cities in the World | 0 | - | 4.91 | 792,127 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,778 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,645 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,431 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,830 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,831 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,458 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,076 |
| Biggest Cities in the United States | 0 | - | 4.93 | 968,899 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,287 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,929 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,059 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,600 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,162 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,923 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,791 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,730 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,824 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,248 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,334 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,871 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,893 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,822 |
| Biggest Cities in California | 0 | - | 4.35 | 139,335 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,847 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,443 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,231 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,128 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,722 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,079 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,595 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,532 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,264 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,661 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,985 |
| Biggest Cities by Language | 0 | - | 4.96 | 243,264 |
| Largest City by Island | 0 | - | 4.87 | 71,205 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,497 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,746 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,629 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,721 |
| Megacities on a World Map | 0 | - | 4.98 | 251,573 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,611 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,921 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,071 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,993 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,130 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,771 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,390 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,221 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,860 |
| Megacities on an Empty Map | 0 | - | 4.96 | 111,322 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,729 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,998 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,380 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,161 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,324 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 27,140 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,031 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,606 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,744 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,455 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,795 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,912 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,424 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,073 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,312 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,782 |
| Biggest Cities in Indiana | 0 | - | 4.27 | 26,863 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,677 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,606 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,194 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,399 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,756 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,663 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,206 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,819 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,547 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,307 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,171 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,097 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,098 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,973 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,978 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,973 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,523 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,049 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,940 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,781 |
| Biggest City by Region | 0 | - | 4.50 | 36,028 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,945 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,064 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,099 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,061 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,248 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,981 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,285 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,582 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,314 |
| Biggest Cities in History | 0 | - | 4.52 | 89,239 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,172 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,342 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,883 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,238 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,453 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,255 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,561 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,849 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,240 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,916 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,640 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,093 |
| Biggest Cities in France | 0 | - | 4.69 | 222,727 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,122 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,717 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,538 |
| Biggest Cities in the UK | 0 | - | 4.47 | 104,315 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,618 |
| Biggest Cities in China | 0 | - | 4.53 | 157,324 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,998 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,012 |
| Biggest Cities in India | 0 | - | 4.70 | 67,408 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,839 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 23,791 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,686 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,133 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,774 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,103 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,612 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,156 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,752 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,806 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,035 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,413 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,460 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,403 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,890 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,477 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,989 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,852 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,695 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,486 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,301 |
| Flags to Largest Cities | 0 | - | 4.54 | 50,909 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,464 |
| Cities of Ireland | 0 | - | 4.51 | 50,394 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,115 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,422 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,608 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 221,876 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,927 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,277 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,192 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,030 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,261 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,587 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,871 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,795 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,758 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,015 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,855 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,862 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,005 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,874 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,740 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,944 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,613 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,782 |
| Countries with Megacities | 0 | - | 4.99 | 247,924 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,662 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,282 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,046 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,234 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,829 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,909 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,566 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,571 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,975 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,848 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,256 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,105 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,569 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,402 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,505 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,107 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,596 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,886 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,243 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,585 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,142 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,569 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,755 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,383 |
