| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,897 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,132 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,452 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,311 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,103 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,014 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,191 |
| Biggest Cities in the World | 0 | - | 4.91 | 795,526 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,399 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,812 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,678 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,521 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,338 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,964 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,639 |
| Biggest Cities in the United States | 0 | - | 4.93 | 974,133 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,230 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,335 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,681 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,758 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,713 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,342 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,215 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,085 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,296 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,555 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,666 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,138 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,248 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,624 |
| Biggest Cities in California | 0 | - | 4.35 | 139,620 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,983 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,575 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,333 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,202 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,703 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,177 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,142 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,952 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,972 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,336 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,964 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,852 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,794 |
| Largest City by Island | 0 | - | 4.87 | 71,553 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,683 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,509 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,128 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,876 |
| Megacities on a World Map | 0 | - | 4.98 | 252,828 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,440 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,128 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,569 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,375 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,938 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,705 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,945 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,574 |
| Biggest Cities in Europe | 0 | - | 4.72 | 544,799 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,881 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,430 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,866 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,091 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,085 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,430 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,462 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 27,236 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,119 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,669 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,830 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,568 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,878 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,956 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,144 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,382 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,852 |
| Biggest Cities in Indiana | 0 | - | 4.27 | 26,973 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,103 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,745 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,349 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,742 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,879 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,757 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,316 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,940 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,708 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,436 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,330 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,211 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,462 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,087 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,085 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,125 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,633 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,324 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,025 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,889 |
| Biggest City by Region | 0 | - | 4.50 | 36,098 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,026 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,201 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,301 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,134 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,307 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,133 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,339 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 151,956 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,487 |
| Biggest Cities in History | 0 | - | 4.52 | 89,936 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,254 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,427 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,932 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,322 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 116,151 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,348 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,773 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,977 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,353 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,131 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,858 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,252 |
| Biggest Cities in France | 0 | - | 4.70 | 223,370 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,688 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,857 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,730 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,998 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,790 |
| Biggest Cities in China | 0 | - | 4.52 | 158,050 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,569 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,131 |
| Biggest Cities in India | 0 | - | 4.70 | 67,597 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,540 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 23,855 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,029 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,387 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,106 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,439 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,015 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,780 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,789 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,973 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,197 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,056 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,590 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 72,975 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,530 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,016 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,235 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,743 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,524 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,481 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,185 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,537 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,336 |
| Cities of Ireland | 0 | - | 4.51 | 50,531 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,151 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,786 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,916 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,540 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,848 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,357 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,521 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,747 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,731 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,915 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,841 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,806 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,090 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,916 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,900 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,401 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,106 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,927 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,265 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,970 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,673 |
| Countries with Megacities | 0 | - | 4.99 | 249,761 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,513 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,783 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,841 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,762 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 51,101 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,973 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,602 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,600 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,023 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,061 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,558 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,426 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,789 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,167 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,223 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,536 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,187 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,240 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,438 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,063 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,580 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,879 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,059 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,751 |
