| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,575 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,923 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,097 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,869 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,002 |
| Biggest Cities in the World | 0 | - | 4.91 | 792,849 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,938 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,668 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,493 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,996 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,973 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,844 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,201 |
| Biggest Cities in the United States | 0 | - | 4.93 | 970,087 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,476 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,011 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,179 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,862 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,264 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,248 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,875 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,803 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,925 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,324 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,402 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,935 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,962 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,056 |
| Biggest Cities in California | 0 | - | 4.35 | 139,414 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,470 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,959 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,692 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,642 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,732 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,736 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,162 |
| Biggest Cities by Language | 0 | - | 4.96 | 244,567 |
| Largest City by Island | 0 | - | 4.87 | 71,282 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,533 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,832 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,783 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,743 |
| Megacities on a World Map | 0 | - | 4.98 | 251,897 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,841 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,964 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,214 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,070 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,307 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,992 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 36,015 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,507 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,943 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,287 |
| Biggest Cities in Europe | 0 | - | 4.70 | 543,179 |
| Megacities on an Empty Map | 0 | - | 4.97 | 115,532 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,860 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,530 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,016 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,551 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,233 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,355 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,096 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,714 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,646 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,228 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,474 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,780 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,684 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,229 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,249 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,149 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,622 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,098 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,844 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,576 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,334 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,195 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,121 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,187 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,995 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,998 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,997 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,481 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,541 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,114 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,958 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,799 |
| Biggest City by Region | 0 | - | 4.50 | 36,043 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,971 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,093 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,142 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,073 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,265 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,025 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,297 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,660 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,352 |
| Biggest Cities in History | 0 | - | 4.52 | 89,283 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,185 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,366 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,895 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,249 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,585 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,271 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,602 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,880 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,275 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,970 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,688 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,130 |
| Biggest Cities in France | 0 | - | 4.69 | 222,862 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,257 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,746 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,572 |
| Biggest Cities in the UK | 0 | - | 4.47 | 104,384 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,644 |
| Biggest Cities in China | 0 | - | 4.53 | 157,480 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,061 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,034 |
| Biggest Cities in India | 0 | - | 4.70 | 67,447 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,984 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 27,163 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,052 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,615 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,767 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,827 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,933 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,458 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,324 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,805 |
| Biggest Cities in Indiana | 0 | - | 4.27 | 26,893 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,746 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,176 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,836 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,166 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,700 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,209 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,762 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,846 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,058 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,977 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,450 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,908 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,490 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,995 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,934 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,704 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,494 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,348 |
| Flags to Largest Cities | 0 | - | 4.54 | 50,964 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,480 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 22,291 |
| Cities of Ireland | 0 | - | 4.51 | 50,436 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,122 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,481 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,657 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 222,066 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,438,244 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,451 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,125 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,384 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,620 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,881 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,804 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,770 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,039 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,866 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,867 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 23,815 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,088 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,922 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,771 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,013 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,674 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,955 |
| Countries with Megacities | 0 | - | 4.99 | 248,320 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,859 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,383 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,243 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,317 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,882 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,925 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,571 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,578 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,981 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,885 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,331 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,174 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,872 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,628 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,616 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,183 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,653 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,976 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,271 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,694 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,232 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,637 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,804 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,530 |
