| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,473 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,702 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,970 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,323 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,394 |
| Biggest Cities in the World | 0 | - | 4.91 | 800,297 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,241 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.93 | 50,173 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,136 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,660 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,009 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,412 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,590 |
| Biggest Cities in the United States | 0 | - | 4.94 | 980,237 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,578 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,196 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,913 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,657 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,626 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,533 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,041 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,703 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,169 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,074 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,225 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,757 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,823 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,876 |
| Biggest Cities in Florida | 0 | - | 4.24 | 72,174 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,725 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,399 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,462 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,632 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,034 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,417 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,955 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,851 |
| Largest City by Island | 0 | - | 4.87 | 72,003 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,113 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,123 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,685 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,264 |
| Megacities on a World Map | 0 | - | 4.98 | 255,103 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,394 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,463 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,103 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,908 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,019 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,834 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,269 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,600 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,694 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,104 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,445 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,937 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,617 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,403 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,176 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,248 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,023 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,618 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,615 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,212 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,424 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,975 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,603 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 90,105 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,034 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,878 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,436 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,425 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,287 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,814 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,207 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,497 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,158 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,891 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,599 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,549 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,341 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,680 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,234 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,264 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,318 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,788 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,689 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,553 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,026 |
| Biggest City by Region | 0 | - | 4.50 | 36,267 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,179 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,371 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,595 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,217 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,371 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,337 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,444 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 163,735 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,735 |
| Biggest Cities in History | 0 | - | 4.52 | 90,255 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 77,874 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,497 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,016 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,462 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,414 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,456 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,224 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,162 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,515 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,402 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,186 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,482 |
| Biggest Cities in France | 0 | - | 4.70 | 224,287 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,349 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,052 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,983 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,372 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,987 |
| Biggest Cities in China | 0 | - | 4.53 | 158,893 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,993 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,276 |
| Biggest Cities in India | 0 | - | 4.64 | 67,812 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,348 |
| Biggest Cities in New Jersey | 0 | - | 4.13 | 28,813 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,194 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,776 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,913 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,969 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 20,005 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,632 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,442 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,903 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,063 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,474 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,736 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,524 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,113 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,531 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,225 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,866 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,191 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,391 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,209 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,849 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,073 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,605 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,089 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,738 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,838 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,566 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,685 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,481 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,614 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,403 |
| Cities of Ireland | 0 | - | 4.51 | 50,714 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,196 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,183 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,234 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,269 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,430 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,799 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,344 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,350 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,974 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,986 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,851 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,226 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,025 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,942 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 23,931 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,899 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,393 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,181 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,714 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,384 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,707 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,776 |
| Countries with Megacities | 0 | - | 4.99 | 264,290 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,630 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,405 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,895 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,472 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,028 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,047 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,651 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,652 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,090 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,328 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,009 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,852 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,256 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,089 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,805 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,072 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,516 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,678 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,677 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,647 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,073 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,277 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,441 |
