| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,041 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,229 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,583 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,496 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,791 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,728 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,654 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,897 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,815 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,139 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,033 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,907 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,526 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,514 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,989 |
| Biggest Cities in the United States | 0 | - | 4.94 | 975,708 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,553 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,488 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,929 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,162 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,910 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,858 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,393 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,215 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,478 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,676 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,784 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 60,082 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,381 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,871 |
| Biggest Cities in California | 0 | - | 4.35 | 139,716 |
| Biggest Cities in Florida | 0 | - | 4.24 | 72,035 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,596 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,224 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,063 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,143 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,058 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,042 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,042 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,014 |
| Largest City by Island | 0 | - | 4.87 | 71,682 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,790 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,676 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,252 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,965 |
| Megacities on a World Map | 0 | - | 4.98 | 253,414 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,658 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,213 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,713 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,523 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,233 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,007 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,359 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,088 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,218 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,721 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,160 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,904 |
| Biggest Cities in Europe | 0 | - | 4.73 | 545,428 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,113 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,650 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,949 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,142 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,354 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,474 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,500 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,160 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,167 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,797 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,401 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,824 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,911 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,776 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,341 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,018 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,746 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,478 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,389 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,241 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.69 | 64,511 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,116 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,118 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,164 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 27,248 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,136 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,697 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,853 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,893 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,963 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,544 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,391 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,868 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 26,992 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,677 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,401 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,047 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,923 |
| Biggest City by Region | 0 | - | 4.50 | 36,122 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,054 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,246 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,353 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,152 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,328 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,167 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,367 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,201 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,554 |
| Biggest Cities in History | 0 | - | 4.52 | 90,011 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 76,177 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,447 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,957 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,355 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 116,386 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,370 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,869 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,021 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,396 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,201 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,925 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,310 |
| Biggest Cities in France | 0 | - | 4.70 | 223,607 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,872 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,905 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,796 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,077 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,832 |
| Biggest Cities in China | 0 | - | 4.52 | 158,239 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,687 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,166 |
| Biggest Cities in India | 0 | - | 4.63 | 67,663 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,765 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,123 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,462 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,213 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,527 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,119 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,888 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,797 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,026 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,257 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,987 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,652 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,000 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,552 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,033 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,353 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,755 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,535 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,531 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,247 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,565 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,355 |
| Cities of Ireland | 0 | - | 4.51 | 50,566 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,174 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,890 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,008 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 23,869 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,734 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,254 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,735 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,672 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,901 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,762 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,929 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,870 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,816 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,134 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,946 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,912 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,506 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,162 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,980 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,370 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,058 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,018 |
| Countries with Megacities | 0 | - | 4.99 | 259,866 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,890 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,990 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,168 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,998 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 51,181 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,984 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,618 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,613 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,037 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,119 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,733 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,553 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,194 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,427 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,397 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,683 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,269 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,370 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,502 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,225 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,710 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,976 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,165 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,827 |
