| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,880 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,117 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,434 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,292 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,095 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,009 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,138 |
| Biggest Cities in the World | 0 | - | 4.91 | 795,344 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,383 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,803 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,673 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,492 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,311 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,897 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,621 |
| Biggest Cities in the United States | 0 | - | 4.93 | 973,860 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,178 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,315 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,652 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,696 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,688 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,280 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,202 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,072 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,275 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,547 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,653 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,130 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,234 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,592 |
| Biggest Cities in California | 0 | - | 4.35 | 139,613 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,973 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,569 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,328 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,198 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,695 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,165 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,136 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,933 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,951 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,233 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,956 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,814 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,772 |
| Largest City by Island | 0 | - | 4.87 | 71,537 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,673 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,498 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,110 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,870 |
| Megacities on a World Map | 0 | - | 4.98 | 252,764 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,393 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,109 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,546 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,359 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,900 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,672 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,918 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,564 |
| Biggest Cities in Europe | 0 | - | 4.72 | 544,701 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,841 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,395 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,839 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,088 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,063 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,424 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,456 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 27,231 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,112 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,664 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,824 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,563 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,873 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,954 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,138 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,372 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,849 |
| Biggest Cities in Indiana | 0 | - | 4.27 | 26,966 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,096 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,740 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,347 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,728 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,870 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,745 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,310 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,936 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,703 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,425 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,320 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,205 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,449 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,076 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,078 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,116 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,631 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,309 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,024 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,885 |
| Biggest City by Region | 0 | - | 4.50 | 36,095 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,023 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,195 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,292 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,130 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,304 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,128 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,335 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 151,943 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,477 |
| Biggest Cities in History | 0 | - | 4.52 | 89,924 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,250 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,422 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,930 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,321 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 116,118 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,346 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,763 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,974 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,350 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,118 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,845 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,243 |
| Biggest Cities in France | 0 | - | 4.70 | 223,334 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,657 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,847 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,720 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,988 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,778 |
| Biggest Cities in China | 0 | - | 4.52 | 158,012 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,547 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,125 |
| Biggest Cities in India | 0 | - | 4.70 | 67,589 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,509 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 23,850 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,008 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,378 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,094 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,424 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,000 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,770 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,789 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,966 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,190 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,937 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,584 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 72,973 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,527 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,016 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,221 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,739 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,521 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,470 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,172 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,535 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,332 |
| Cities of Ireland | 0 | - | 4.51 | 50,524 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,151 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,769 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,904 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,503 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,613 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,300 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,496 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,719 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,725 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,913 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,840 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,805 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,089 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,913 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,889 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,382 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,098 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,921 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,255 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,948 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,632 |
| Countries with Megacities | 0 | - | 4.99 | 249,677 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,471 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,756 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,805 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,726 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 51,089 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,970 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,600 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,599 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,020 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,049 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,539 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,414 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,731 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,142 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,176 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,513 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,177 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,227 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,424 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,037 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,560 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,861 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,037 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,743 |
