| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,143 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,621 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,641 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,338 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,690 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,372 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,445 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,123 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,514 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,228 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,306 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,470 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,304 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,684 |
| Biggest Cities in the United States | 0 | - | 4.93 | 965,347 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,537 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,517 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,471 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,596 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,719 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,694 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,361 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,424 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,450 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,967 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,075 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,657 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,592 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,331 |
| Biggest Cities in California | 0 | - | 4.35 | 139,159 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,741 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,567 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,378 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,157 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,734 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,460 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,249 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,719 |
| Largest City by Island | 0 | - | 4.87 | 70,964 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,274 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,425 |
| Biggest European Cities by Century | 0 | - | 4.98 | 138,222 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,620 |
| Megacities on a World Map | 0 | - | 4.98 | 250,502 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,065 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,731 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,771 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,757 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,532 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,008 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,922 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,034 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,859 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,832 |
| Biggest Cities in Europe | 0 | - | 4.70 | 541,662 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,368 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 94,170 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,922 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 96,906 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,012 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,261 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,044 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,553 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,494 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,047 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,150 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,666 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,588 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 40,150 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,180 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,066 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,562 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,036 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,712 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,434 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,206 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,075 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 90,994 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,824 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,906 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,896 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,879 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,403 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,450 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,849 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,882 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,651 |
| Biggest City by Region | 0 | - | 4.50 | 35,977 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,875 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 37,960 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 83,947 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,997 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,205 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,890 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,235 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,286 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,183 |
| Biggest Cities in History | 0 | - | 4.52 | 89,058 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,078 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.61 | 65,296 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,840 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,159 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 114,859 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,191 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,383 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,741 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,157 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,727 |
| Biggest Cities in Japan | 0 | - | 4.67 | 82,472 |
| Biggest Cities in Russia | 0 | - | 4.49 | 81,986 |
| Biggest Cities in France | 0 | - | 4.69 | 221,842 |
| Biggest Cities in Spain | 0 | - | 4.63 | 169,698 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,607 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,406 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,069 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,516 |
| Biggest Cities in China | 0 | - | 4.53 | 156,853 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,728 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,935 |
| Biggest Cities in India | 0 | - | 4.70 | 67,286 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,297 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 27,090 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,003 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,546 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,703 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,745 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,880 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,392 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,273 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,752 |
| Biggest Cities in Indiana | 0 | - | 4.27 | 26,820 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,421 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 115,892 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,474 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,821 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,058 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 125,917 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,701 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,691 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 38,931 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,293 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,174 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,265 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,835 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,432 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,968 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,565 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,655 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,457 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,176 |
| Flags to Largest Cities | 0 | - | 4.55 | 50,726 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,363 |
| Cities of Ireland | 0 | - | 4.51 | 50,289 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,082 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,225 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,341 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,222 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,775 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,239 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,493 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,856 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,509 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,835 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,729 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,714 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 30,963 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,779 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,834 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 23,741 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,659 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,528 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,575 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,682 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,367 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,898 |
| Countries with Megacities | 0 | - | 4.99 | 246,284 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,826 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,751 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,280 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,690 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,558 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,865 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,542 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,545 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,924 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,722 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,043 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,740 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,765 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,735 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,083 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,777 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,410 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,506 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,091 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,187 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,778 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,308 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,483 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,233 |
