| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,845 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,018 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,281 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,860 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,847 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,651 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,895 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,334 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,393 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,978 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,436 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,687 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,876 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,388 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,197 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,327 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,453 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,825 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,155 |
| Biggest Cities in the United States | 0 | - | 4.94 | 984,514 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,502 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,710 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,620 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,812 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,201 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,045 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,554 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,077 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,724 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,467 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,533 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,063 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,188 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,860 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,815 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,046 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,869 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,749 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,375 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,405 |
| Largest City by Island | 0 | - | 4.87 | 72,275 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,317 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,499 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,992 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,423 |
| Megacities on a World Map | 0 | - | 4.98 | 256,214 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,043 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,659 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,468 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,230 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,788 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,708 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,724 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,497 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,419 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,366 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,915 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,244 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,825 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,321 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,011 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,380 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,617 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,237 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,895 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,642 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,119 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,958 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,491 |
| Biggest Cities in California | 0 | - | 4.35 | 140,236 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,309 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,846 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,785 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,579 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,009 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,274 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,988 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,689 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,692 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,432 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,721 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,319 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,397 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,454 |
| Biggest Cities in New Jersey | 0 | - | 4.14 | 29,165 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,261 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,854 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,980 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 27,040 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 20,041 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,690 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,469 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,976 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,122 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,915 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,955 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,612 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,104 |
| Biggest City by Region | 0 | - | 4.50 | 36,339 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,268 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,488 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,784 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,276 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,415 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,470 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,521 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,038 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,553 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,933 |
| Biggest Cities in History | 0 | - | 4.52 | 90,459 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,736 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,545 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,055 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,550 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,051 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,540 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,465 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,311 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,632 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,593 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,388 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,679 |
| Biggest Cities in France | 0 | - | 4.70 | 224,938 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,867 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,194 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,182 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,663 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,121 |
| Biggest Cities in China | 0 | - | 4.53 | 159,540 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,318 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,395 |
| Biggest Cities in India | 0 | - | 4.64 | 67,974 |
| Biggest Cities in Italy | 0 | - | 4.77 | 242,010 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,256 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,984 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,039 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,833 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,417 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,886 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,549 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,900 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,347 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,505 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,424 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,049 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,135 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,666 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,121 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,115 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,891 |
| Biggest Cities by Latitude Range | 0 | - | 4.80 | 31,871 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,827 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,709 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,699 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,448 |
| Cities of Ireland | 0 | - | 4.51 | 50,831 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,241 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,426 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,411 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 23,987 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,807 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,161 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,536 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,811 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,737 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,757 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,021 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,051 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,890 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,333 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,135 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,975 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,599 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,693 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,404 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,192 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,676 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,789 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,490 |
| Countries with Megacities | 0 | - | 4.99 | 265,968 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,286 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,766 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,535 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,886 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,385 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,089 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,684 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,694 |
| Saint Lucia Country Quiz | 0 | - | 4.68 | 18,131 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,490 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,286 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,140 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,353 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,648 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,156 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,456 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,744 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,004 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,824 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,060 |
