| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,656 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,986 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,187 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,999 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 36,037 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,969 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,340 |
| Biggest Cities in the World | 0 | - | 4.91 | 793,506 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,048 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,703 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,531 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,137 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,061 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,154 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,301 |
| Biggest Cities in the United States | 0 | - | 4.93 | 971,198 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,688 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,094 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,294 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 223,101 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,363 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,521 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,955 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,883 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,037 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,379 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,456 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,992 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 67,034 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,198 |
| Biggest Cities in California | 0 | - | 4.35 | 139,480 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,924 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,494 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,274 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,167 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,651 |
| Biggest Cities in Texas | 0 | - | 4.28 | 119,060 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,116 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,746 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,715 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,153 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,793 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,376 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,157 |
| Largest City by Island | 0 | - | 4.87 | 71,358 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,569 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,908 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,885 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,771 |
| Megacities on a World Map | 0 | - | 4.98 | 252,160 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,009 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,002 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,305 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,137 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,447 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,189 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,644 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,631 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,370 |
| Biggest Cities in Europe | 0 | - | 4.70 | 543,453 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,050 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,994 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,672 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,034 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 97,688 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,286 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,376 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 27,179 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,068 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,789 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,514 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,846 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,942 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,478 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,114 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,335 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,820 |
| Biggest Cities in Indiana | 0 | - | 4.27 | 26,923 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,748 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,675 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,259 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,546 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,818 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,706 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,262 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,881 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,618 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,363 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,227 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,144 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,260 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,024 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,025 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,041 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,566 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,168 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,973 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,824 |
| Biggest City by Region | 0 | - | 4.50 | 36,054 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 56,986 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,126 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,186 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,095 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,274 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,056 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,312 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,737 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,377 |
| Biggest Cities in History | 0 | - | 4.52 | 89,330 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,203 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,384 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,902 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,269 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,741 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,290 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,638 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,904 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,295 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,004 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,728 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,167 |
| Biggest Cities in France | 0 | - | 4.69 | 222,976 |
| Biggest Cities in Spain | 0 | - | 4.64 | 170,363 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,774 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,610 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,433 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,689 |
| Biggest Cities in China | 0 | - | 4.53 | 157,641 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,134 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,050 |
| Biggest Cities in India | 0 | - | 4.70 | 67,485 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,124 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 23,825 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,799 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,223 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,893 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,215 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,753 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,270 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,765 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,880 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,094 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,472 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,479 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,933 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,499 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,999 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 166,012 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,715 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,505 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,381 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,028 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,494 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 22,299 |
| Cities of Ireland | 0 | - | 4.51 | 50,471 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,132 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,551 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,728 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 222,199 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,256 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,669 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,222 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,484 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,650 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,894 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,812 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,777 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,053 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,876 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,872 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,151 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,959 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,804 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,056 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,739 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,155 |
| Countries with Megacities | 0 | - | 4.99 | 248,685 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,016 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,474 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,389 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,426 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,935 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,936 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,582 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,588 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,987 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,937 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,384 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,243 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,098 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,800 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,715 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,265 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,050 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,049 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,309 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,796 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,302 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,681 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,864 |
