| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,188 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,897 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,574 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,374 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,499 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,286 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,195 |
| Biggest Cities in the World | 0 | - | 4.91 | 806,666 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,310 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,473 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,579 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,996 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,873 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,034 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 116,665 |
| Biggest Cities in the United States | 0 | - | 4.94 | 988,673 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,389 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,056 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,135 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,924 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,730 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,608 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,436 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,911 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,351 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,059 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,701 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,818 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,278 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,524 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,638 |
| Biggest Cities in California | 0 | - | 4.35 | 140,495 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,456 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,952 |
| 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 | 31,870 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 49,009 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,786 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,150 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,484 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,639 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,012 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,746 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,804 |
| Largest City by Island | 0 | - | 4.87 | 72,544 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,474 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,813 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,224 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,583 |
| Megacities on a World Map | 0 | - | 4.98 | 257,343 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,732 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,824 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,807 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,555 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,705 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,547 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,819 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,801 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,093 |
| Biggest Cities in Europe | 0 | - | 4.73 | 549,622 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,328 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,620 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,669 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,499 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,269 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,078 |
| Biggest Cities in New Jersey | 0 | - | 4.13 | 29,406 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,319 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,923 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 26,055 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 27,117 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 20,086 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,754 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,309 |
| 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 | 107,071 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,352 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,018 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,448 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,192 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,027 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,552 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,206 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,420 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,096 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,769 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,828 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,523 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,524 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,394 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,511 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,585 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 65,019 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,179 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,674 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,175 |
| Biggest City by Region | 0 | - | 4.50 | 36,412 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,362 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,585 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,951 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,325 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,456 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,599 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,594 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,991 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,519 |
| Biggest Cities in History | 0 | - | 4.52 | 90,673 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,159 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,607 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,101 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,637 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,725 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,615 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,681 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,433 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,725 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 177,059 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,580 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,813 |
| Biggest Cities in France | 0 | - | 4.72 | 225,541 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,320 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,331 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,330 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,934 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,239 |
| Biggest Cities in China | 0 | - | 4.53 | 160,131 |
| Biggest Cities in Canada | 0 | - | 4.55 | 133,622 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,497 |
| Biggest Cities in India | 0 | - | 4.64 | 68,109 |
| Biggest Cities in Italy | 0 | - | 4.78 | 242,646 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 24,060 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 125,213 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,218 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 110,038 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,653 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,179 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,822 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,946 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,487 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,622 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,327 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,193 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,195 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,717 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,149 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,446 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,933 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,952 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,898 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,780 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,500 |
| Cities of Ireland | 0 | - | 4.51 | 50,945 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,269 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,670 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,607 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,309 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,592 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,854 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,114 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,149 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,060 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,114 |
| 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 | 21,212 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.31 | 40,998 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,887 |
| Biggest Cities Starting With C | 0 | - | 4.12 | 105,854 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,545 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,433 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,898 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,425 |
| Countries with Megacities | 0 | - | 4.99 | 267,679 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,072 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,288 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,414 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,399 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,618 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,137 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,734 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,749 |
| Saint Lucia Country Quiz | 0 | - | 4.67 | 18,160 |
| Biggest U.S. Cities A-Z | 0 | - | 4.67 | 139,663 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,543 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,431 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,506 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,456 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,560 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,785 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,972 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,331 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,956 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,513 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,801 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,857 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,005 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,243 |
