| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,328 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,770 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,835 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,557 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,201 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,797 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,436 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,581 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,320 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,400 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,116 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,079 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,947 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,895 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,553 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,647 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,802 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,843 |
| Biggest Cities in the United States | 0 | - | 4.93 | 967,209 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,944 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,696 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,747 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,054 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,920 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,160 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,538 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,559 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,636 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,083 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,205 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,776 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,725 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,582 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,493 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,356 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,480 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,565 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,566 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,899 |
| Largest City by Island | 0 | - | 4.87 | 71,076 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,415 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,591 |
| Biggest European Cities by Century | 0 | - | 4.98 | 144,014 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,668 |
| Megacities on a World Map | 0 | - | 4.98 | 251,092 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 124,339 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,823 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,903 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,862 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,854 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,387 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,210 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,207 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,082 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,586 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,052 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,085 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,305 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,560 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,956 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,291 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,623 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,552 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,135 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,282 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,718 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,631 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,175 |
| Biggest Cities in California | 0 | - | 4.35 | 139,239 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,801 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,426 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,651 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,769 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,496 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,263 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,132 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,038 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,959 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,942 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,940 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,927 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,357 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 27,124 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,015 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,583 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,723 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,766 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,891 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,408 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,295 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,773 |
| Biggest Cities in Indiana | 0 | - | 4.27 | 26,847 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,490 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,953 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,915 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,724 |
| Biggest City by Region | 0 | - | 4.50 | 36,005 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,912 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,019 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 84,021 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,024 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,229 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,934 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,263 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,423 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,246 |
| Biggest Cities in History | 0 | - | 4.52 | 89,157 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,129 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.61 | 65,320 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,861 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,200 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,120 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,229 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,475 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,797 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 68,205 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,821 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,546 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,040 |
| Biggest Cities in France | 0 | - | 4.69 | 222,417 |
| Biggest Cities in Spain | 0 | - | 4.63 | 169,933 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,670 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,476 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,192 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,568 |
| Biggest Cities in China | 0 | - | 4.53 | 157,088 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,869 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,972 |
| Biggest Cities in India | 0 | - | 4.70 | 67,357 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,563 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,431 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,061 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,536 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 115,994 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,632 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,937 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,226 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,021 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,728 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,746 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 38,981 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,421 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,338 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,869 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,455 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,978 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,712 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,673 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,468 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,233 |
| Flags to Largest Cities | 0 | - | 4.55 | 50,818 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,434 |
| Cities of Ireland | 0 | - | 4.51 | 50,346 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,099 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,318 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,424 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 23,770 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,422 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,626 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,589 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,784 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,688 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,082 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,554 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,858 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,759 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,728 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 30,985 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,824 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,847 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,817 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,615 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,653 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,804 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,482 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,447 |
| Countries with Megacities | 0 | - | 4.99 | 247,269 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,288 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,095 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,715 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,019 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,708 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,887 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,558 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,560 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,948 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,793 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,144 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,881 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,202 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,035 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,305 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,942 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,520 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,663 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,175 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,405 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,009 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,458 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,645 |
