| Biggest Cities in the World | 0 | - | 4.91 | 736,904 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 392,850 |
| Biggest Cities in the United States | 0 | - | 4.94 | 895,728 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 348,522 |
| Biggest City by Time Zone | 0 | - | 4.85 | 60,022 |
| Biggest City in Every Country | 0 | - | 4.98 | 87,610 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 184,760 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 99,959 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 107,824 |
| Biggest Cities with Exceptions | 0 | - | 4.89 | 71,552 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.85 | 77,551 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 71,243 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 44,783 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.90 | 64,120 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 48,483 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 60,637 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 113,788 |
| Biggest Cities by Language | 0 | - | 4.95 | 222,126 |
| Largest City by Island | 0 | - | 4.90 | 64,439 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 67,028 |
| Most Populous World Capitals | 0 | - | 4.93 | 167,871 |
| Biggest European Cities by Century | 0 | - | 4.98 | 123,898 |
| Megacities on a World Map | 0 | - | 4.98 | 230,549 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 542,857 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 63,356 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 68,328 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 97,885 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 158,717 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 160,351 |
| Biggest Cities in Asia | 0 | - | 4.94 | 102,523 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 46,536 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 321,520 |
| Megacities on an Empty Map | 0 | - | 4.95 | 92,115 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 46,042 |
| Biggest U.S. Cities A-Z | 0 | - | 4.68 | 134,802 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 39,019 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 43,904 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.81 | 66,061 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 70,364 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 210,606 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 127,333 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 105,710 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 150,903 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.83 | 45,963 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.97 | 40,674 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 109,762 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 74,209 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 33,823 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.89 | 106,546 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 56,947 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 53,241 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 97,050 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 49,322 |
| Largest Nordic Cities on a Map | 0 | - | 4.83 | 33,177 |
| Biggest Cities in Germany | 0 | - | 4.95 | 276,852 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 103,557 |
| Biggest Cities in Europe | 0 | - | 4.74 | 510,815 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 99,954 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 44,046 |
| Biggest City by Region | 0 | - | 4.49 | 34,774 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 55,317 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,948 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,321 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 80,349 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,207 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.42 | 102,929 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.41 | 87,439 |
| Biggest World Cities A-Z | 0 | - | 4.56 | 212,207 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 139,756 |
| Biggest European Cities by Letter | 0 | - | 4.62 | 122,499 |
| Biggest Cities in History | 0 | - | 4.49 | 84,565 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 69,875 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 41,662 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 66,417 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 41,821 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.90 | 86,097 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 117,682 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 111,306 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 102,766 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 116,040 |
| Biggest Cities Starting With M | 0 | - | 4.49 | 135,258 |
| Biggest Cities Starting With P | 0 | - | 4.48 | 120,271 |
| Biggest Cities in Japan | 0 | - | 4.68 | 79,296 |
| Biggest Cities in Russia | 0 | - | 4.48 | 79,469 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 53,093 |
| Biggest Cities in Poland | 0 | - | 4.57 | 50,766 |
| Cities of China (With Some Help) | 0 | - | 4.89 | 29,688 |
| Cities of Ireland | 0 | - | 4.50 | 48,164 |
| Biggest Cities in Canada | 0 | - | 4.57 | 126,085 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 45,253 |
| Biggest Cities in India | 0 | - | 4.71 | 64,941 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 144,869 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 115,906 |
| Jewish Cities Quiz | 0 | - | 4.32 | 60,428 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 71,645 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,836 |
| Biggest English Cities by Century | 0 | - | 4.89 | 102,650 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,452 |
| Biggest City by Region #2 | 0 | - | 4.43 | 23,877 |
| Biggest Cities by Latitude | 0 | - | 4.75 | 26,868 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 71,062 |
| Biggest Mediterranean Cities | 0 | - | 4.56 | 88,575 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 39,037 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.34 | 95,390 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.14 | 101,018 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.15 | 75,086 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 70,445 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.26 | 68,545 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.31 | 71,135 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 62,529 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 159,010 |
| Flags to Largest Cities | 0 | - | 4.54 | 35,100 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 50,605 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 36,625 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,436 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,368,788 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 361,874 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 155,165 |
| Countries with Megacities | 0 | - | 4.99 | 213,846 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 184,084 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 104,800 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 105,300 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 71,509 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 265,960 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.64 | 64,216 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 79,064 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,075 |
| Biggest "Saint" Cities - United States | 0 | - | 4.48 | 35,368 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.37 | 31,009 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 38,806 |
| Biggest Cities in the World - 2100 | 0 | - | 4.25 | 87,060 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 35,255 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 29,707 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 19,733 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,279 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 155,166 |
| Biggest Cities Starting With C | 0 | - | 4.09 | 100,651 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 82,545 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 120,389 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 121,767 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 121,504 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 80,790 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 255,245 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 114,644 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 106,943 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 86,909 |
| Largest World Cities With Four Letters | 0 | - | 4.35 | 44,306 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 80,901 |
| Biggest Cities by Trait #2 | 0 | - | 4.40 | 14,729 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.43 | 13,893 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.35 | 24,539 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.98 | 58,866 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 63,400 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.43 | 48,961 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 58,106 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.68 | 76,728 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.74 | 43,048 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 39,559 |
| Biggest Urban Areas in the UK | 0 | - | 4.41 | 171,675 |
| Biggest Cities in France | 0 | - | 4.70 | 210,249 |
| Biggest Cities in Spain | 0 | - | 4.55 | 161,659 |
| Biggest Cities in the UK | 0 | - | 4.47 | 98,749 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.74 | 72,016 |
| Biggest Cities in China | 0 | - | 4.47 | 147,675 |
| Saint Lucia Country Quiz | 0 | - | 4.68 | 17,152 |
| Biggest Cities in Italy | 0 | - | 4.70 | 228,728 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 103,557 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 183,610 |
| Countries of Europe by Population | 0 | - | 4.98 | 142,547 |
| Most Populous Countries by Year | 0 | - | 4.81 | 100,967 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 81,160 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 102,356 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 99,409 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 106,219 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 83,765 |
| Biggest Nordic Cities | 0 | - | 4.38 | 60,493 |
| U.S. Cities by Hispanic Population | 0 | - | 4.30 | 35,357 |
| Biggest Axis-Controlled Cities | 0 | - | 4.42 | 46,775 |
| Biggest Cities Near a Border | 0 | - | 4.19 | 30,418 |
| Cities in Squares on a Map - North America | 0 | - | 4.31 | 20,352 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.50 | 22,133 |
| Biggest Cities in Washington State | 0 | - | 4.45 | 34,211 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 33,542 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 212,951 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 128,971 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 71,722 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 79,619 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 56,034 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 69,679 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 91,298 |
| Countries with the Most Christians | 0 | - | 4.92 | 130,848 |
| Least Christian Countries with Exceptions | 0 | - | 4.89 | 79,314 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 158,393 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 162,163 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 217,641 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 170,907 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 168,024 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 97,557 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 103,807 |
| Most Populous Country by First Two Letters | 0 | - | 4.71 | 69,019 |
