| Biggest Cities in Asia | 0 | - | 4.94 | 102,420 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 46,462 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 127,266 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 41,798 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 43,875 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 109,704 |
| Cities of China (With Some Help) | 0 | - | 4.89 | 29,679 |
| Biggest Cities in the World | 0 | - | 4.91 | 736,362 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 321,264 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 45,934 |
| Biggest Cities in Germany | 0 | - | 4.95 | 276,696 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 38,996 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.90 | 86,002 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 102,948 |
| Biggest City by Time Zone | 0 | - | 4.85 | 59,948 |
| Biggest City in Every Country | 0 | - | 4.98 | 87,514 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 184,589 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 99,888 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 107,712 |
| Biggest Cities with Exceptions | 0 | - | 4.89 | 71,480 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 210,504 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.85 | 77,493 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 392,629 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 71,172 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 44,751 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 105,623 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.90 | 64,060 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 48,466 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 60,566 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 116,651 |
| Biggest Cities in the United States | 0 | - | 4.93 | 895,042 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 348,375 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 113,740 |
| Biggest Cities by Language | 0 | - | 4.95 | 222,052 |
| Largest City by Island | 0 | - | 4.90 | 64,331 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 66,981 |
| Most Populous World Capitals | 0 | - | 4.93 | 167,803 |
| Biggest European Cities by Century | 0 | - | 4.98 | 123,849 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 150,664 |
| Megacities on a World Map | 0 | - | 4.98 | 230,448 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.83 | 45,941 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.97 | 40,626 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 542,596 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 63,309 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 68,269 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 74,169 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 33,776 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.89 | 106,457 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 56,917 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 97,776 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 158,651 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 53,155 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 97,014 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 49,270 |
| Largest Nordic Cities on a Map | 0 | - | 4.83 | 33,141 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 160,295 |
| Biggest Cities in Europe | 0 | - | 4.74 | 510,519 |
| Megacities on an Empty Map | 0 | - | 4.95 | 92,063 |
| Biggest Cities in Japan | 0 | - | 4.68 | 79,271 |
| Biggest Cities in China | 0 | - | 4.47 | 147,605 |
| Biggest Cities in India | 0 | - | 4.71 | 64,927 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 34,874 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.81 | 66,037 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 70,340 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 35,242 |
| Biggest English Cities by Century | 0 | - | 4.89 | 102,550 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 71,038 |
| Biggest Mediterranean Cities | 0 | - | 4.56 | 88,567 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 39,014 |
| Biggest Urban Areas in the UK | 0 | - | 4.41 | 171,652 |
| Biggest Cities in Russia | 0 | - | 4.49 | 79,446 |
| Biggest Cities in France | 0 | - | 4.70 | 210,144 |
| Biggest Cities in Spain | 0 | - | 4.55 | 161,602 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 53,059 |
| Biggest Cities in Poland | 0 | - | 4.57 | 50,736 |
| Biggest Cities in the UK | 0 | - | 4.47 | 98,692 |
| Cities of Ireland | 0 | - | 4.50 | 48,141 |
| Biggest Cities in Canada | 0 | - | 4.57 | 126,041 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 45,246 |
| Biggest Cities in Italy | 0 | - | 4.70 | 228,633 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 62,517 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 99,944 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 44,038 |
| Biggest City by Region | 0 | - | 4.49 | 34,761 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 55,297 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,944 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,312 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 80,323 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.74 | 43,044 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,196 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 50,583 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 36,613 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.74 | 71,932 |
| Biggest European Cities by Letter | 0 | - | 4.62 | 122,470 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.64 | 64,208 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 80,864 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 79,018 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,060 |
| Biggest "Saint" Cities - United States | 0 | - | 4.48 | 35,355 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 38,786 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,432 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 139,729 |
| Biggest Cities in History | 0 | - | 4.49 | 84,519 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 69,859 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 41,642 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 66,399 |
| Biggest Cities in the Blue Banana | 0 | - | 4.54 | 33,661 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 29,697 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 19,729 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 117,643 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 111,280 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 102,730 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 116,002 |
| Biggest Cities Starting With M | 0 | - | 4.49 | 135,207 |
| Biggest Cities Starting With P | 0 | - | 4.48 | 120,234 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 63,386 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.43 | 48,937 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 39,515 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.43 | 13,881 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.22 | 18,604 |
| Biggest U.S. Cities A-Z | 0 | - | 4.68 | 134,763 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 144,807 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 115,847 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 103,528 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 71,633 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,827 |
| Biggest Nordic Cities | 0 | - | 4.38 | 60,483 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,446 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 158,965 |
| Biggest City by Region #2 | 0 | - | 4.43 | 23,867 |
| Biggest Cities by Latitude | 0 | - | 4.75 | 26,866 |
| U.S. Cities by Hispanic Population | 0 | - | 4.30 | 35,323 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 58,074 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.68 | 76,702 |
| Flags to Largest Cities | 0 | - | 4.54 | 35,072 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.50 | 22,120 |
| Saint Lucia Country Quiz | 0 | - | 4.68 | 17,144 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.42 | 102,728 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.41 | 87,277 |
| Biggest Cities in Washington State | 0 | - | 4.45 | 34,200 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 33,534 |
| Biggest World Cities A-Z | 0 | - | 4.56 | 212,128 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,368,234 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 361,794 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 155,015 |
| Countries with Megacities | 0 | - | 4.99 | 213,715 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 183,989 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 104,750 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 105,206 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 71,454 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 265,774 |
| Largest Cities in Alexander's Empire | 0 | - | 4.57 | 39,216 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 39,169 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.26 | 103,329 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 61,851 |
| Biggest Cities in the World - 2100 | 0 | - | 4.25 | 87,017 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,119 |
| Cities on Interstate 90 on a Map | 0 | - | 4.44 | 30,475 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,274 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 155,118 |
| Biggest Cities Starting With C | 0 | - | 4.09 | 100,627 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 82,530 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 120,353 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 121,730 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.78 | 20,982 |
| Largest World Cities With Four Letters | 0 | - | 4.35 | 44,296 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.78 | 66,776 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 121,457 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 80,755 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 255,158 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 114,596 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 106,917 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 86,865 |
| Countries by Population Range - Tile Select | 0 | - | 4.85 | 54,050 |
| Jewish Cities Quiz | 0 | - | 4.32 | 60,420 |
| Biggest Cities by Trait #2 | 0 | - | 4.40 | 14,724 |
| The Most Populous U.S. City by Category | 0 | - | 4.33 | 21,473 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.34 | 95,211 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.14 | 100,872 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.15 | 74,856 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 70,292 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.25 | 64,218 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.31 | 71,006 |
| Biggest Cities in California | 0 | - | 4.34 | 134,884 |
| Biggest Cities in Florida | 0 | - | 4.22 | 69,634 |
| Biggest Cities in New York State | 0 | - | 4.31 | 57,579 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 43,998 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 47,239 |
| Biggest Cities in Texas | 0 | - | 4.27 | 115,267 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 24,255 |
| Countries of Europe by Population | 0 | - | 4.98 | 142,396 |
| Most Populous Countries by Year | 0 | - | 4.81 | 100,905 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 81,142 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 102,317 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 99,355 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 106,081 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 83,728 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 88,946 |
| Biggest Axis-Controlled Cities | 0 | - | 4.42 | 46,753 |
| Biggest Cities Near a Border | 0 | - | 4.19 | 30,406 |
