| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,280 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 85,056 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,660 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,512 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,582 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,462 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,428 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,502 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,646 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,539 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,309 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,201 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,993 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,350 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,783 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,750 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,643 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,148 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,275 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 33,014 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,988 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,754 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,780 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 81,006 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,431 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,153 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,744 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,889 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,346 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,607 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,857 |
| Biggest Cities in California | 0 | - | 4.35 | 140,578 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,506 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,996 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,841 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,240 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,607 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,478 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,080 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,833 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,925 |
| Largest City by Island | 0 | - | 4.87 | 72,603 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,525 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,931 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,290 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,629 |
| Megacities on a World Map | 0 | - | 4.98 | 257,628 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,895 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,876 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,880 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,639 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,887 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,774 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,845 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 46,179 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,917 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,477 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 49,691 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,327 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,345 |
| Biggest Cities in Europe | 0 | - | 4.70 | 549,952 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,406 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,787 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,746 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,528 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,466 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,119 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,368 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,121 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,385 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,047 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,621 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,217 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,040 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,571 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,250 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,443 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,129 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,795 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,854 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,558 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,759 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,415 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,546 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,620 |
| Biggest Cities in New Jersey | 0 | - | 4.13 | 29,489 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,341 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,947 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 26,116 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 27,146 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 20,104 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,795 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,538 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 21,018 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,247 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 65,042 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,234 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,689 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,189 |
| Biggest City by Region | 0 | - | 4.50 | 36,428 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,387 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,602 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 85,001 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,334 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,465 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,638 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,610 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 166,098 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,577 |
| Biggest Cities in History | 0 | - | 4.52 | 90,736 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,252 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,623 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,116 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,657 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,921 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,641 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,745 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,475 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,746 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 177,124 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,625 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,860 |
| Biggest Cities in France | 0 | - | 4.72 | 225,726 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,420 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,379 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,373 |
| Biggest Cities in the UK | 0 | - | 4.48 | 106,008 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,255 |
| Biggest Cities in China | 0 | - | 4.53 | 160,287 |
| Biggest Cities in Canada | 0 | - | 4.55 | 133,710 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,527 |
| Biggest Cities in India | 0 | - | 4.64 | 68,140 |
| Biggest Cities in Italy | 0 | - | 4.78 | 242,821 |
| Biggest Cities Starting With A | 0 | - | 4.63 | 125,314 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,294 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 110,126 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,745 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,454 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,923 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,957 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,515 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,655 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,971 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,234 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,209 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,735 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,157 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,524 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,938 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,986 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,956 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,804 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,510 |
| Cities of Ireland | 0 | - | 4.51 | 50,979 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,278 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,732 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,679 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 24,086 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,476 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,718 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,170 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,230 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,247 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,069 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,127 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,939 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,454 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,243 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.31 | 41,010 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,990 |
| Biggest Cities Starting With C | 0 | - | 4.12 | 105,922 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,616 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,517 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,982 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,629 |
| Countries with Megacities | 0 | - | 4.99 | 268,131 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,280 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,402 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,610 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,511 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,671 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,151 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,744 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,757 |
| Saint Lucia Country Quiz | 0 | - | 4.68 | 18,169 |
| Biggest U.S. Cities A-Z | 0 | - | 4.67 | 139,714 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,610 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,505 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,785 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,603 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,708 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,886 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,201 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,416 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 96,001 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,639 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,912 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,935 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,099 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,292 |
