| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,743 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.90 | 83,698 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,205 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,742 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,479 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,613 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,289 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,312 |
| Biggest Cities in the World | 0 | - | 4.91 | 802,731 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,133 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,327 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,977 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,716 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,909 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,471 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,663 |
| Biggest Cities in the United States | 0 | - | 4.94 | 983,193 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,229 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,550 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,449 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,485 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,042 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,384 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 148,160 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,422 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,976 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,853 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,408 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,603 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,371 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,138 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,448 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,975 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,098 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,594 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,438 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,692 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,274 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,263 |
| Largest City by Island | 0 | - | 4.87 | 72,199 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,274 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,389 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,925 |
| Megacities on a World Map | 0 | - | 4.98 | 255,883 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,609 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,369 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,576 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,836 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,367 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,341 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,504 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,736 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,932 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,726 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,930 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,570 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,291 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,090 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,935 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,473 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,901 |
| Biggest Cities in California | 0 | - | 4.35 | 140,171 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,262 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,809 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,526 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,932 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,238 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,188 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,849 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,958 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,667 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,295 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,744 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,647 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,364 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,428 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,408 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,460 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,333 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,755 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,166 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,888 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,876 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,533 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,455 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,046 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,518 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,087 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,952 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,244 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,876 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,596 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,083 |
| Biggest City by Region | 0 | - | 4.50 | 36,316 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,233 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,862 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,261 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,400 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,424 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,408 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,267 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,495 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,543 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,331 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,629 |
| Biggest Cities in France | 0 | - | 4.70 | 224,752 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,732 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,154 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,127 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,597 |
| Biggest Cities in China | 0 | - | 4.53 | 159,388 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,237 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,364 |
| Biggest Cities in India | 0 | - | 4.64 | 67,930 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,825 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,401 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,652 |
| Biggest Cities in History | 0 | - | 4.52 | 90,397 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,585 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,009 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,529 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,891 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,667 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,596 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,431 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,300 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,480 |
| Cities of Ireland | 0 | - | 4.51 | 50,792 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,228 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,477 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,329 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,878 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,229 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,644 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,888 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,697 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,298 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,752 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,428 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,794 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 107,989 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,117 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,109 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,030 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,875 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,589 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,783 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,640 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,878 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,672 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,686 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,296 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,109 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,353 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,360 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,663 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,450,425 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,506 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,324 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,624 |
| Countries with Megacities | 0 | - | 4.99 | 265,536 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,123 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,687 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,652 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,384 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,759 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,305 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,029 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,078 |
| Saint Lucia Country Quiz | 0 | - | 4.68 | 18,121 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,450 |
| Biggest Cities in New Jersey | 0 | - | 4.14 | 29,066 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,234 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,843 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,966 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,958 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 27,011 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 20,032 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,670 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,465 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,963 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,101 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,125 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,525 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,310 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,069 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,561 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,772 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,209 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,068 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,068 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,505 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,059 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,351 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,681 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,897 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,776 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,938 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,342 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,476 |
