| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,502 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,990 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,529 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,199 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,098 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,405 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,491 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,115 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,309 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,439 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,987 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,904 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,892 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,287 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,410 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,811 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,737 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,675 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,217 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,671 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,474 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,927 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,593 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,400 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,681 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,183 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,361 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,246 |
| Biggest Cities in the United States | 0 | - | 4.94 | 986,498 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,915 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,872 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,031 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,991 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,257 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,746 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,499 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,417 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,119 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,877 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,536 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,602 |
| Largest City by Island | 0 | - | 4.87 | 72,415 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,406 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,652 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,114 |
| Megacities on a World Map | 0 | - | 4.98 | 256,759 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,744 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,631 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,289 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,614 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,395 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,398 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,121 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,767 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,964 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,966 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,036 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,153 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,532 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,990 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 118,015 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,300 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,959 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,576 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,775 |
| Cities of Ireland | 0 | - | 4.51 | 50,900 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,335 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,753 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,475 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,916 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,163 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,696 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,794 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,966 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,458 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,519 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,919 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,069 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,644 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,143 |
| Biggest City by Region | 0 | - | 4.50 | 36,387 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,327 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,679 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,300 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,437 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,538 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,563 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,219 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,806 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,197 |
| Biggest Cities in History | 0 | - | 4.52 | 90,566 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,949 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,078 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,141 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,606 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,158 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,996 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,528 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,400 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 65,011 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,688 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,654 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,172 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 125,116 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,147 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,936 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,547 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,056 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,701 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,053 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,735 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,564 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,366 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,363 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,490 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,742 |
| Biggest Cities in France | 0 | - | 4.70 | 225,238 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,102 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,268 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,403 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,262 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,559 |
| Biggest Cities in China | 0 | - | 4.53 | 159,810 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,456 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,442 |
| Biggest Cities in India | 0 | - | 4.64 | 68,039 |
| Biggest Cities in Italy | 0 | - | 4.77 | 242,306 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,926 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,952 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,108 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,175 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,693 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,136 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,913 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,533 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,889 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,743 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,255 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,436 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,237 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,589 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,366 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,128 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,294 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,367 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,577 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,087 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,799 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,375 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,165 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,555 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,510 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.31 | 40,986 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,097 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,767 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,779 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,481 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,316 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,806 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,824 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,042 |
| Countries with Megacities | 0 | - | 4.99 | 266,909 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,754 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,065 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,074 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,183 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,501 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,108 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,708 |
| Cities in European Economic Areas on a Map | 0 | - | 4.70 | 18,102 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,727 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,585 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,402 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,291 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,965 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,621 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,878 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,183 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,576 |
| Jewish Cities Quiz | 0 | - | 4.33 | 61,987 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,476 |
| Saint Lucia Country Quiz | 0 | - | 4.68 | 18,141 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,532 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,755 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,810 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,857 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,904 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.03 | 67,668 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,673 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,893 |
| Biggest Cities in California | 0 | - | 4.35 | 140,371 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,373 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,904 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,534 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,396 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,827 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,964 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,669 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,283 |
| Flags of Countries That Border France | 0 | - | 4.89 | 123,762 |
