| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,941 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,294 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,357 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,980 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,415 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,222 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,205 |
| Biggest Cities in the World | 0 | - | 4.91 | 804,505 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,994 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,384 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,444 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,512 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,571 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,149 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,283 |
| Biggest Cities in the United States | 0 | - | 4.94 | 985,582 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,718 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,822 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,775 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,083 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,314 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,492 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,655 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,155 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,845 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,545 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,608 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 65,129 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,286 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,100 |
| Biggest Cities in California | 0 | - | 4.35 | 140,307 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,349 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,881 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,515 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,382 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,805 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,943 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,603 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,272 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,904 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,154 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,355 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,820 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,462 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,513 |
| Largest City by Island | 0 | - | 4.87 | 72,366 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,367 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,579 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,057 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,466 |
| Megacities on a World Map | 0 | - | 4.98 | 256,541 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,231 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,708 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,557 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,329 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,971 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,921 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,747 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,533 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,888 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,672 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,085 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,162 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,487 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,413 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,841 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,942 |
| Biggest Cities in New Jersey | 0 | - | 4.14 | 29,255 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,281 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,887 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 26,011 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 27,054 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 20,048 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,714 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,265 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,478 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,980 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,145 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,798 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,272 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,938 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,949 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,145 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,983 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,504 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,066 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,308 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,023 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,713 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,728 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,454 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,960 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,348 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,434 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,484 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,952 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,019 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,627 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,129 |
| Biggest City by Region | 0 | - | 4.50 | 36,367 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,302 |
| Biggest Cities by Latitude Range | 0 | - | 4.80 | 32,532 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,513 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,835 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,291 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,428 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,504 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,547 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,678 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,979 |
| Biggest Cities in History | 0 | - | 4.52 | 90,519 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,867 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,559 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,070 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,582 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,216 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,560 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,521 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,343 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,661 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,652 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,440 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,718 |
| Biggest Cities in France | 0 | - | 4.70 | 225,104 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,989 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,234 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,232 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,722 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,152 |
| Biggest Cities in China | 0 | - | 4.53 | 159,698 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,411 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,422 |
| Biggest Cities in India | 0 | - | 4.64 | 68,013 |
| Biggest Cities in Italy | 0 | - | 4.77 | 242,179 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 24,009 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 125,050 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,100 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,881 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,495 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,979 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,631 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,908 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,388 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,536 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,619 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,095 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,164 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,681 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,131 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,207 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,900 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,859 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,754 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,725 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,463 |
| Cities of Ireland | 0 | - | 4.51 | 50,872 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,251 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,504 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,466 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,967 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,648 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,103 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,837 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,869 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,029 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,073 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,902 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,357 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,153 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,978 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,692 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,740 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,451 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,264 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,756 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,807 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,871 |
| Countries with Megacities | 0 | - | 4.99 | 266,554 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,582 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,959 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,878 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,065 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,447 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,101 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,697 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,704 |
| Saint Lucia Country Quiz | 0 | - | 4.68 | 18,137 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,540 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,351 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,236 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,597 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,834 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,282 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,551 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,826 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,112 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,864 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,206 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,554 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,667 |
