| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,807 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,079 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,353 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,202 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,079 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,994 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,887 |
| Biggest Cities in the World | 0 | - | 4.91 | 794,755 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,265 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,779 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,624 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,368 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,230 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,651 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,514 |
| Biggest Cities in the United States | 0 | - | 4.93 | 972,936 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,017 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,250 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,532 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,510 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,580 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,045 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,122 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,012 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,198 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,498 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,558 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,086 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,167 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,412 |
| Biggest Cities in California | 0 | - | 4.35 | 139,574 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,953 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,545 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,312 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,188 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,680 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,127 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,126 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,872 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,869 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,871 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,901 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,674 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,635 |
| Largest City by Island | 0 | - | 4.87 | 71,485 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,644 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,305 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,051 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,841 |
| Megacities on a World Map | 0 | - | 4.98 | 252,542 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,270 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,065 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,454 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,282 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,776 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,505 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,845 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,499 |
| Biggest Cities in Europe | 0 | - | 4.72 | 544,208 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,675 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,241 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,780 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,069 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 97,947 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,381 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,435 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,093 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,653 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,812 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,539 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,862 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,949 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,504 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,128 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,359 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,843 |
| Biggest Cities in Indiana | 0 | - | 4.27 | 26,949 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,065 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,720 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,309 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,663 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,861 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,733 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,293 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,921 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,672 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,404 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,287 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,186 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,383 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,059 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,065 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,080 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,608 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,272 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,005 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,866 |
| Biggest City by Region | 0 | - | 4.50 | 36,081 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,016 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,174 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,257 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,119 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,300 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,105 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,329 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,888 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,453 |
| Biggest Cities in History | 0 | - | 4.52 | 89,876 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,238 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,414 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,921 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,303 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 116,000 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,332 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,722 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,948 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,332 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,084 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,811 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,216 |
| Biggest Cities in France | 0 | - | 4.70 | 223,201 |
| Biggest Cities in Spain | 0 | - | 4.64 | 170,555 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,828 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,692 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,913 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,757 |
| Biggest Cities in China | 0 | - | 4.52 | 157,868 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,507 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,101 |
| Biggest Cities in India | 0 | - | 4.70 | 67,549 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,399 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 23,844 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,899 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,290 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,002 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,311 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,867 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,357 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,781 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,946 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,156 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,479 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,550 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 72,955 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,519 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,011 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,135 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,728 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,515 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,437 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,120 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,521 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,323 |
| Cities of Ireland | 0 | - | 4.51 | 50,506 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,145 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,650 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,813 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,403 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,813 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,079 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,373 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,639 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,686 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,908 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,834 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,799 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,074 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,905 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,884 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,262 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,019 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,862 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,154 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,845 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,476 |
| Countries with Megacities | 0 | - | 4.99 | 249,393 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,326 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,656 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,649 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,630 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 51,034 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,959 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,591 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,598 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,010 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,016 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,479 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,346 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,516 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,041 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,049 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,427 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,132 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,161 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,371 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,959 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,476 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,798 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,967 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,662 |
