| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 324,847 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 212,363 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 107,184 |
| Biggest Cities in the World | 0 | - | 4.91 | 745,924 |
| Biggest Cities in Asia | 0 | - | 4.94 | 103,544 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 47,108 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 46,742 |
| Biggest City by Time Zone | 0 | - | 4.86 | 61,080 |
| Biggest City in Every Country | 0 | - | 4.98 | 89,337 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 187,453 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 101,390 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 53,712 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 109,671 |
| Biggest Cities with Exceptions | 0 | - | 4.89 | 72,661 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.85 | 78,532 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 396,173 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 72,385 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 45,245 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 50,797 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 64,980 |
| Largest Nordic Cities on a Map | 0 | - | 4.83 | 33,859 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 48,885 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 61,646 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 118,944 |
| Biggest Cities in the United States | 0 | - | 4.94 | 907,627 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 351,075 |
| Biggest Cities in Germany | 0 | - | 4.95 | 279,341 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 128,655 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.83 | 83,185 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 39,415 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.90 | 88,264 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 547,905 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 114,569 |
| Biggest Cities by Language | 0 | - | 4.95 | 223,356 |
| Largest City by Island | 0 | - | 4.90 | 66,134 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 67,585 |
| Most Populous World Capitals | 0 | - | 4.93 | 169,005 |
| Biggest European Cities by Century | 0 | - | 4.98 | 125,037 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 152,228 |
| Megacities on a World Map | 0 | - | 4.98 | 232,213 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 41,442 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 110,863 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 63,926 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 69,269 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 75,038 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 34,961 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.88 | 108,041 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.83 | 57,717 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 99,317 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 159,970 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.75 | 71,392 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 39,461 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 161,606 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 97,728 |
| Megacities on an Empty Map | 0 | - | 4.95 | 92,947 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 66,465 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 70,812 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 44,466 |
| Biggest European Cities by Letter | 0 | - | 4.62 | 123,018 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.55 | 64,421 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,119 |
| Cities of China (With Some Help) | 0 | - | 4.89 | 29,967 |
| Biggest Mediterranean Cities | 0 | - | 4.56 | 88,861 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 100,130 |
| Biggest English Cities by Century | 0 | - | 4.89 | 103,169 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 44,221 |
| Biggest City by Region | 0 | - | 4.49 | 34,945 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 55,580 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,123 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,476 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 80,832 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 40,263 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,377 |
| Biggest Urban Areas in the UK | 0 | - | 4.41 | 172,306 |
| Biggest Cities in Russia | 0 | - | 4.48 | 79,873 |
| Biggest Cities in France | 0 | - | 4.70 | 212,499 |
| Biggest Cities in Spain | 0 | - | 4.63 | 163,174 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 53,580 |
| Biggest Cities in Poland | 0 | - | 4.57 | 51,250 |
| Biggest Cities in the UK | 0 | - | 4.47 | 99,701 |
| Cities of Ireland | 0 | - | 4.50 | 48,583 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 45,565 |
| Biggest Cities in Italy | 0 | - | 4.70 | 230,414 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 62,883 |
| Biggest Nordic Cities | 0 | - | 4.38 | 60,641 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 146,286 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 117,127 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 140,292 |
| Biggest Cities in History | 0 | - | 4.50 | 85,182 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 70,400 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 80,016 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 41,923 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,395 |
| Biggest "Saint" Cities - United States | 0 | - | 4.49 | 35,580 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 39,047 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 66,727 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 35,677 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.95 | 35,973 |
| Biggest Cities Starting With A | 0 | - | 4.61 | 118,577 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 111,956 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 103,934 |
| Biggest Cities Starting With L | 0 | - | 4.45 | 116,959 |
| Biggest Cities Starting With M | 0 | - | 4.49 | 136,566 |
| Biggest Cities Starting With P | 0 | - | 4.48 | 121,175 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 71,856 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,983 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,536 |
| Biggest City by Region #2 | 0 | - | 4.43 | 23,976 |
| Biggest Cities by Latitude | 0 | - | 4.77 | 26,977 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 81,506 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 19,911 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.43 | 70,855 |
| Largest Cities in Alexander's Empire | 0 | - | 4.57 | 39,325 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 49,378 |
| Biggest Cities in Japan | 0 | - | 4.68 | 79,945 |
| Biggest Cities in China | 0 | - | 4.47 | 149,321 |
| Biggest Cities in Canada | 0 | - | 4.56 | 127,172 |
| Biggest Cities in India | 0 | - | 4.71 | 65,301 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,379,431 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 364,286 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 158,249 |
| Countries with Megacities | 0 | - | 4.99 | 217,391 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 186,303 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 106,022 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 126,308 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 72,942 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 269,235 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 104,101 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 160,018 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.78 | 67,103 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 58,489 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 77,149 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.74 | 43,145 |
| Biggest Cities in the World - 2100 | 0 | - | 4.24 | 88,035 |
| Flags to Largest Cities | 0 | - | 4.54 | 35,682 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 50,931 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 37,011 |
| All Cities in China with Population of 1 Million | 0 | - | 4.78 | 42,561 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.42 | 104,061 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.41 | 88,491 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,377 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 213,649 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 156,268 |
| Biggest Cities Starting With C | 0 | - | 4.09 | 101,241 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 83,326 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 121,197 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 122,787 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.80 | 21,348 |
| U.S. Cities by Hispanic Population | 0 | - | 4.30 | 35,907 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.50 | 22,344 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,543 |
| Biggest Cities in Washington State | 0 | - | 4.46 | 34,516 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 33,786 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 122,518 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 81,712 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 257,040 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 115,731 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 107,540 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 87,946 |
| Countries by Population Range - Tile Select | 0 | - | 4.85 | 54,823 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 44,483 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 39,496 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.26 | 105,691 |
| Biggest Cities by Trait #2 | 0 | - | 4.40 | 14,820 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,248 |
| Cities on Interstate 90 on a Map | 0 | - | 4.44 | 30,771 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 29,923 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 62,083 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.43 | 14,021 |
| Biggest U.S. Cities A-Z | 0 | - | 4.68 | 135,561 |
| Countries of Europe by Population | 0 | - | 4.98 | 145,899 |
| Most Populous Countries by Year | 0 | - | 4.81 | 102,430 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 69,371 |
| Demographics Multiple Choice | 0 | - | 4.68 | 41,185 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 81,616 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 103,279 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 100,564 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 107,229 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 84,618 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 89,526 |
| Jewish Cities Quiz | 0 | - | 4.32 | 60,613 |
| Biggest Cities Near a Border | 0 | - | 4.19 | 30,658 |
| Cities in Squares on a Map - North America | 0 | - | 4.31 | 20,510 |
| The Most Populous U.S. City by Category | 0 | - | 4.33 | 21,606 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,295 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.34 | 96,487 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.14 | 102,098 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 81,519 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.16 | 71,353 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.26 | 70,563 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.32 | 71,781 |
| Biggest Cities in California | 0 | - | 4.34 | 135,837 |
| Biggest Cities in Florida | 0 | - | 4.22 | 70,028 |
| Biggest Cities in New York State | 0 | - | 4.30 | 57,928 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 44,245 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 47,503 |
| Biggest Cities in Texas | 0 | - | 4.27 | 115,979 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 24,410 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 214,254 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 129,949 |
