| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,709 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.90 | 83,600 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,175 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,698 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,370 |
| Biggest Cities in the World | 0 | - | 4.91 | 802,505 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,567 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,275 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,293 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,323 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,160 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,084 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,278 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,378 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,932 |
| Biggest Cities in the United States | 0 | - | 4.94 | 982,754 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,143 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,521 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,384 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,413 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,004 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 147,709 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,379 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,952 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,566 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,343 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,427 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,950 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,067 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,543 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,470 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,687 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,890 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,261 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,641 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,245 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,221 |
| Largest City by Island | 0 | - | 4.87 | 72,178 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,261 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,367 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,900 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,366 |
| Megacities on a World Map | 0 | - | 4.98 | 255,801 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,800 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,586 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,340 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,119 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,518 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,358 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,682 |
| Biggest Cities in California | 0 | - | 4.35 | 140,150 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,250 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,799 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,892 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,323 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,747 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,871 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,497 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,226 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,700 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,812 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,875 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,799 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,336 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,338 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,456 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,728 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,555 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,168 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,823 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,161 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,082 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,928 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,466 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,910 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,232 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,947 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,660 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,639 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,403 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,373 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,287 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,354 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,415 |
| Biggest Cities in New Jersey | 0 | - | 4.14 | 29,047 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,228 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,838 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,951 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 27,002 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 20,031 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,667 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,239 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,462 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,949 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,096 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,870 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,857 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,592 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,077 |
| Biggest City by Region | 0 | - | 4.50 | 36,308 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,229 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,445 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,730 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,258 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,395 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,415 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,492 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,350 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,862 |
| Biggest Cities in History | 0 | - | 4.52 | 90,384 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,549 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,529 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,043 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,524 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,817 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,512 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,395 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,263 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,590 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,520 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,316 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,618 |
| Biggest Cities in France | 0 | - | 4.70 | 224,695 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,689 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,144 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,115 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,573 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,077 |
| Biggest Cities in China | 0 | - | 4.53 | 159,345 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,213 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,354 |
| Biggest Cities in India | 0 | - | 4.64 | 67,922 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,771 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,629 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,873 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,680 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,289 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,736 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,414 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,890 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,281 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,465 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,637 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 107,971 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,114 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,651 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,108 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,008 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,870 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,583 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,773 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,620 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,666 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,428 |
| Cities of Ireland | 0 | - | 4.51 | 50,786 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,224 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,336 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,343 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 23,964 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,621 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,450,121 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,435 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,591 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,612 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,004 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,026 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,875 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,291 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,106 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,959 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,095 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,513 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,298 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,046 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,543 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,766 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,254 |
| Countries with Megacities | 0 | - | 4.99 | 265,413 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,082 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,661 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,317 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,730 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,287 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,076 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,668 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,683 |
| Saint Lucia Country Quiz | 0 | - | 4.68 | 18,116 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,431 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,188 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,050 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,975 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,456 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,025 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,324 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,671 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,875 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,765 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,905 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,309 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,461 |
