| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,590 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,266 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,086 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,527 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,302 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,144 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,933 |
| Biggest Cities in the World | 0 | - | 4.91 | 801,424 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,429 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,235 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,219 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,912 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,149 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,955 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,770 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,604 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,893 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,366 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,178 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,086 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,842 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 144,046 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,246 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,841 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,406 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,226 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,339 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,875 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,963 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,242 |
| Biggest Cities in California | 0 | - | 4.35 | 140,083 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,226 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,773 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,443 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,309 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,722 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,856 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,451 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,220 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,596 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,783 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,670 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,530 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,116 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,059 |
| Largest City by Island | 0 | - | 4.87 | 72,102 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,196 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,258 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,821 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,322 |
| Megacities on a World Map | 0 | - | 4.98 | 255,480 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,628 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,537 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,228 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,009 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,326 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,110 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,651 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,764 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,811 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,596 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,394 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,769 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,608 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,266 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,296 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,257 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,682 |
| Biggest Cities in New Jersey | 0 | - | 4.14 | 28,961 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,212 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,938 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,990 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 20,021 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,655 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,229 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,453 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,933 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,085 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,503 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,027 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,656 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 90,726 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,065 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,900 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,451 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,816 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,203 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,923 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,635 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,593 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,376 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,026 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,265 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,317 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,362 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,834 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,779 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,576 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,056 |
| Biggest City by Region | 0 | - | 4.50 | 36,294 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,206 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,407 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,663 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,233 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,386 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,370 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,468 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 165,020 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,799 |
| Biggest Cities in History | 0 | - | 4.52 | 90,325 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,270 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,514 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,031 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,495 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,643 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,475 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,305 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,221 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,552 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,469 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,263 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,554 |
| Biggest Cities in France | 0 | - | 4.70 | 224,486 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,534 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,100 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,042 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,488 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,031 |
| Biggest Cities in China | 0 | - | 4.53 | 159,118 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,117 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,316 |
| Biggest Cities in India | 0 | - | 4.64 | 67,879 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,568 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 23,950 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,575 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,817 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,617 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,215 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,654 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,338 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,872 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,236 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,428 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,916 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 107,921 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,094 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,631 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,098 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,873 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,858 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,575 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,738 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,543 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,641 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,414 |
| Cities of Ireland | 0 | - | 4.51 | 50,741 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,212 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,271 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,291 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,463 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,874 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,135 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,468 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,481 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,989 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,010 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,866 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,259 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,056 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,951 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,012 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,472 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,245 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,976 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,487 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,741 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,015 |
| Countries with Megacities | 0 | - | 4.99 | 264,856 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,849 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,533 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,107 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,612 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,174 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,063 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,661 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,673 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,103 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,388 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,100 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,980 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,595 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,295 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,910 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,217 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,604 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,779 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,721 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,780 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,196 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,362 |
