| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,591 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,271 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,088 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,530 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,302 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,144 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,944 |
| Biggest Cities in the World | 0 | - | 4.91 | 801,442 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,431 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,236 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,219 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,916 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,153 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,964 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,776 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,624 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,898 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,372 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,183 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,088 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,843 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 144,158 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,250 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,843 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,411 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,228 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,341 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,876 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,964 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,247 |
| Biggest Cities in California | 0 | - | 4.35 | 140,084 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,227 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,774 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,443 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,310 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,722 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,452 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,220 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,597 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,783 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,683 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,532 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,119 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,061 |
| Largest City by Island | 0 | - | 4.87 | 72,103 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,198 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,262 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,824 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,322 |
| Megacities on a World Map | 0 | - | 4.98 | 255,488 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,632 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,539 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,231 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,013 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,327 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,118 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,651 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,770 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,598 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,403 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,773 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,612 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,267 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,297 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,259 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,682 |
| Biggest Cities in New Jersey | 0 | - | 4.14 | 28,965 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,212 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,811 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,938 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,990 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 20,021 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,655 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,229 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,453 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,933 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,085 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,503 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,027 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,656 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 90,741 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,065 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,901 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,451 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,822 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,203 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,923 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,636 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,593 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,377 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,031 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,265 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,318 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,363 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,836 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,779 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,576 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,056 |
| Biggest City by Region | 0 | - | 4.50 | 36,294 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,206 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,407 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,664 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,233 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,386 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,370 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,468 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 165,025 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,801 |
| Biggest Cities in History | 0 | - | 4.52 | 90,329 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,278 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,515 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,031 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,495 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,646 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,475 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,307 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,222 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,554 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,470 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,265 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,556 |
| Biggest Cities in France | 0 | - | 4.70 | 224,491 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,539 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,103 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,046 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,491 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,031 |
| Biggest Cities in China | 0 | - | 4.53 | 159,126 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,121 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,318 |
| Biggest Cities in India | 0 | - | 4.64 | 67,879 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,573 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 23,950 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,577 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,818 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,617 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,217 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,654 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,338 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,872 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,236 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,429 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,932 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 107,923 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,095 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,631 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,098 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,878 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,858 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,575 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,739 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,545 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,641 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,414 |
| Cities of Ireland | 0 | - | 4.51 | 50,741 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,212 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,274 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,293 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,469 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,172 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,900 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,141 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,472 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,486 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,989 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,010 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,866 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,259 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,056 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,951 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,012 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,472 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,245 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,977 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,488 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,741 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,016 |
| Countries with Megacities | 0 | - | 4.99 | 264,862 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,850 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,536 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,109 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,613 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,177 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,063 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,661 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,673 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,103 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,390 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,101 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,981 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,603 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,298 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,914 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,222 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,604 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,780 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,722 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,780 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,199 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,363 |
