| Biggest Cities in Asia | 0 | - | 4.94 | 103,567 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 47,121 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 128,677 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 44,482 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 110,892 |
| Cities of China (With Some Help) | 0 | - | 4.89 | 29,977 |
| Biggest Cities in the World | 0 | - | 4.91 | 746,159 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 324,923 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 46,768 |
| Biggest Cities in Germany | 0 | - | 4.95 | 279,418 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.83 | 83,316 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 39,419 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.90 | 88,312 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 104,966 |
| Biggest City by Time Zone | 0 | - | 4.86 | 61,115 |
| Biggest City in Every Country | 0 | - | 4.98 | 89,377 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 187,502 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 101,438 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 109,724 |
| Biggest Cities with Exceptions | 0 | - | 4.89 | 72,689 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 212,403 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.85 | 78,550 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 396,267 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 72,405 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 45,264 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 107,212 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 65,006 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 48,899 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 61,675 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 118,996 |
| Biggest Cities in the United States | 0 | - | 4.94 | 907,898 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 351,134 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 114,593 |
| Biggest Cities by Language | 0 | - | 4.95 | 223,384 |
| Largest City by Island | 0 | - | 4.90 | 66,180 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 67,598 |
| Most Populous World Capitals | 0 | - | 4.93 | 169,043 |
| Biggest European Cities by Century | 0 | - | 4.98 | 125,051 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 152,257 |
| Megacities on a World Map | 0 | - | 4.98 | 232,268 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 41,467 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 548,034 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 63,936 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 69,296 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 75,058 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 34,985 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.88 | 108,088 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.83 | 57,734 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 99,354 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 159,991 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 53,727 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 97,745 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 50,825 |
| Largest Nordic Cities on a Map | 0 | - | 4.83 | 33,880 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 161,631 |
| Biggest Cities in Europe | 0 | - | 4.74 | 516,508 |
| Megacities on an Empty Map | 0 | - | 4.95 | 92,966 |
| Biggest Cities in Japan | 0 | - | 4.68 | 79,968 |
| Biggest Cities in China | 0 | - | 4.47 | 149,346 |
| Biggest Cities in India | 0 | - | 4.71 | 65,311 |
| All Cities in China with Population of 1 Million | 0 | - | 4.78 | 42,586 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.95 | 36,002 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 66,485 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 70,840 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 35,688 |
| Biggest English Cities by Century | 0 | - | 4.89 | 103,179 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.75 | 71,400 |
| Biggest Mediterranean Cities | 0 | - | 4.56 | 88,867 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 39,471 |
| Biggest Urban Areas in the UK | 0 | - | 4.41 | 172,316 |
| Biggest Cities in Russia | 0 | - | 4.48 | 79,879 |
| Biggest Cities in France | 0 | - | 4.70 | 212,555 |
| Biggest Cities in Spain | 0 | - | 4.63 | 163,201 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 53,590 |
| Biggest Cities in Poland | 0 | - | 4.57 | 51,262 |
| Biggest Cities in the UK | 0 | - | 4.47 | 99,718 |
| Cities of Ireland | 0 | - | 4.50 | 48,589 |
| Biggest Cities in Canada | 0 | - | 4.56 | 127,186 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 45,576 |
| Biggest Cities in Italy | 0 | - | 4.70 | 230,443 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 62,891 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 100,135 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 44,227 |
| Biggest City by Region | 0 | - | 4.49 | 34,950 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 55,594 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,131 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,481 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 80,849 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.74 | 43,152 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,381 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 50,936 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 37,021 |
| Biggest European Cities by Letter | 0 | - | 4.62 | 123,031 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.55 | 64,427 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 81,520 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,120 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 80,034 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,406 |
| Biggest "Saint" Cities - United States | 0 | - | 4.49 | 35,590 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 39,057 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,551 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 140,306 |
| Biggest Cities in History | 0 | - | 4.50 | 85,199 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 70,408 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 41,928 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 66,735 |
| Biggest Cities in the Blue Banana | 0 | - | 4.54 | 34,058 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 29,928 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 19,915 |
| Biggest Cities Starting With A | 0 | - | 4.61 | 118,601 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 111,972 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 103,957 |
| Biggest Cities Starting With L | 0 | - | 4.45 | 116,982 |
| Biggest Cities Starting With M | 0 | - | 4.49 | 136,592 |
| Biggest Cities Starting With P | 0 | - | 4.48 | 121,200 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.43 | 70,865 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 49,389 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 40,284 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.43 | 14,023 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.23 | 18,909 |
| Biggest U.S. Cities A-Z | 0 | - | 4.68 | 135,576 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 146,319 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 117,160 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 104,112 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 71,866 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,986 |
| Biggest Nordic Cities | 0 | - | 4.38 | 60,642 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,537 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 160,043 |
| Biggest City by Region #2 | 0 | - | 4.43 | 23,979 |
| Biggest Cities by Latitude | 0 | - | 4.77 | 26,979 |
| U.S. Cities by Hispanic Population | 0 | - | 4.30 | 35,914 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 58,500 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.68 | 77,164 |
| Flags to Largest Cities | 0 | - | 4.54 | 35,698 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.50 | 22,348 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,300 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.42 | 104,144 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.41 | 88,558 |
| Biggest Cities in Washington State | 0 | - | 4.46 | 34,524 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 33,792 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 213,675 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,379,649 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 364,377 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 158,326 |
| Countries with Megacities | 0 | - | 4.99 | 217,444 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 186,346 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 106,053 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 126,353 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 72,975 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 269,306 |
| Largest Cities in Alexander's Empire | 0 | - | 4.57 | 39,328 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 39,504 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.26 | 105,752 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 62,088 |
| Biggest Cities in the World - 2100 | 0 | - | 4.23 | 88,046 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,251 |
| Cities on Interstate 90 on a Map | 0 | - | 4.44 | 30,776 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,379 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 156,289 |
| Biggest Cities Starting With C | 0 | - | 4.09 | 101,254 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 83,337 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 121,216 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 122,803 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.80 | 21,353 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 44,490 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.78 | 67,113 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 122,541 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 81,738 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 257,084 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 115,752 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 107,554 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 87,977 |
| Countries by Population Range - Tile Select | 0 | - | 4.85 | 54,839 |
| Jewish Cities Quiz | 0 | - | 4.32 | 60,618 |
| Biggest Cities by Trait #2 | 0 | - | 4.40 | 14,823 |
| The Most Populous U.S. City by Category | 0 | - | 4.33 | 21,608 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.34 | 96,610 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.14 | 102,153 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 81,569 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.16 | 73,299 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.26 | 70,616 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.32 | 71,830 |
| Biggest Cities in California | 0 | - | 4.34 | 135,853 |
| Biggest Cities in Florida | 0 | - | 4.22 | 70,037 |
| Biggest Cities in New York State | 0 | - | 4.30 | 57,939 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 44,252 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 47,513 |
| Biggest Cities in Texas | 0 | - | 4.27 | 115,989 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 24,416 |
| Countries of Europe by Population | 0 | - | 4.98 | 145,963 |
| Most Populous Countries by Year | 0 | - | 4.81 | 102,461 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 81,634 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 103,292 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 100,593 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 107,245 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 84,719 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 89,542 |
| Biggest Axis-Controlled Cities | 0 | - | 4.42 | 47,146 |
| Biggest Cities Near a Border | 0 | - | 4.19 | 30,662 |
