| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,193 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,911 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,581 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,382 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,501 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,287 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,230 |
| Biggest Cities in the World | 0 | - | 4.91 | 806,728 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,316 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,474 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,580 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,016 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,887 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,058 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 116,678 |
| Biggest Cities in the United States | 0 | - | 4.94 | 988,755 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,408 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,063 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,141 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,930 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,746 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,617 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,460 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,912 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,357 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,063 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,703 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,822 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,284 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,531 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,660 |
| Biggest Cities in California | 0 | - | 4.35 | 140,498 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,457 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,953 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,559 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,445 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,871 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 49,011 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,789 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,304 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,156 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,496 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,676 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,021 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,752 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,813 |
| Largest City by Island | 0 | - | 4.87 | 72,548 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,475 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,816 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,227 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,590 |
| Megacities on a World Map | 0 | - | 4.98 | 257,356 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,751 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,825 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,817 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,560 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,718 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,567 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,820 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,807 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,096 |
| Biggest Cities in Europe | 0 | - | 4.73 | 549,652 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,332 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,635 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,671 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,502 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,292 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,080 |
| Biggest Cities in New Jersey | 0 | - | 4.13 | 29,408 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,320 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,923 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 26,072 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 27,118 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 20,086 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,765 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,312 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,506 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 21,003 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,220 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,075 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,357 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,021 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,463 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,193 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,028 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,554 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,209 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,421 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,100 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,773 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,830 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,525 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,549 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,397 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,514 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,588 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 65,023 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,183 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,676 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,176 |
| Biggest City by Region | 0 | - | 4.50 | 36,412 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,364 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,586 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,952 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,326 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,457 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,601 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,596 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,999 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,526 |
| Biggest Cities in History | 0 | - | 4.52 | 90,677 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,170 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,607 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,102 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,638 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,735 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,616 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,691 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,434 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,727 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 177,062 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,584 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,819 |
| Biggest Cities in France | 0 | - | 4.72 | 225,562 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,329 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,337 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,334 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,938 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,239 |
| Biggest Cities in China | 0 | - | 4.53 | 160,146 |
| Biggest Cities in Canada | 0 | - | 4.55 | 133,632 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,501 |
| Biggest Cities in India | 0 | - | 4.64 | 68,110 |
| Biggest Cities in Italy | 0 | - | 4.78 | 242,665 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 24,060 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 125,220 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,223 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 110,046 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,659 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,189 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,833 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,947 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,488 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,627 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,377 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,199 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,195 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,719 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,150 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,453 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,933 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,955 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,901 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,781 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,502 |
| Cities of Ireland | 0 | - | 4.51 | 50,950 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,270 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,676 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,613 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,319 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,684 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,876 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,120 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,159 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,060 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,115 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,930 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,439 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,214 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.31 | 40,999 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,898 |
| Biggest Cities Starting With C | 0 | - | 4.12 | 105,861 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,554 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,440 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,902 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,440 |
| Countries with Megacities | 0 | - | 4.99 | 267,712 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,088 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,296 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,427 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,405 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,624 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,138 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,738 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,750 |
| Saint Lucia Country Quiz | 0 | - | 4.67 | 18,160 |
| Biggest U.S. Cities A-Z | 0 | - | 4.67 | 139,664 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,547 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,438 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,530 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,478 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,567 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,790 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,978 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,338 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,956 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,525 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,814 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,861 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,017 |
