| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 46,084 |
| Biggest Cities in the World | 0 | - | 4.91 | 737,505 |
| Biggest Cities in Asia | 0 | - | 4.94 | 102,587 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 46,566 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 321,702 |
| Biggest City by Time Zone | 0 | - | 4.85 | 60,096 |
| Biggest City in Every Country | 0 | - | 4.98 | 87,697 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 184,934 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 100,037 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 107,952 |
| Biggest Cities with Exceptions | 0 | - | 4.89 | 71,616 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.85 | 77,607 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 393,100 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 71,315 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 44,812 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.90 | 64,175 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 48,514 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 60,707 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 116,898 |
| Biggest Cities in the United States | 0 | - | 4.94 | 896,464 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 348,684 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 210,695 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 127,391 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 105,791 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 543,160 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 113,840 |
| Biggest Cities by Language | 0 | - | 4.95 | 222,210 |
| Largest City by Island | 0 | - | 4.90 | 64,552 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 67,060 |
| Most Populous World Capitals | 0 | - | 4.93 | 167,965 |
| Biggest European Cities by Century | 0 | - | 4.98 | 123,953 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 150,983 |
| Megacities on a World Map | 0 | - | 4.98 | 230,643 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 45,981 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.97 | 40,716 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 109,832 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 63,390 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 68,392 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 74,250 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 33,877 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.89 | 106,639 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 56,982 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 97,967 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 158,792 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 160,408 |
| Biggest Cities in Europe | 0 | - | 4.74 | 511,152 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 53,284 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 97,084 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 49,379 |
| Megacities on an Empty Map | 0 | - | 4.95 | 92,179 |
| Largest Nordic Cities on a Map | 0 | - | 4.83 | 33,229 |
| Biggest Cities in Germany | 0 | - | 4.95 | 276,987 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.81 | 66,093 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 70,406 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 41,876 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 39,049 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.90 | 86,210 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 43,942 |
| Cities of China (With Some Help) | 0 | - | 4.89 | 29,701 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 71,084 |
| Biggest Mediterranean Cities | 0 | - | 4.56 | 88,600 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 39,062 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 99,972 |
| Biggest English Cities by Century | 0 | - | 4.89 | 102,696 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 44,056 |
| Biggest City by Region | 0 | - | 4.49 | 34,780 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 55,329 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,960 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,333 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 80,381 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,218 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 62,551 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 144,943 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 115,988 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 139,783 |
| Biggest European Cities by Letter | 0 | - | 4.62 | 122,525 |
| Biggest Cities in History | 0 | - | 4.49 | 84,604 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 69,901 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.64 | 64,232 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 79,133 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 41,672 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,107 |
| Biggest "Saint" Cities - United States | 0 | - | 4.48 | 35,372 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 38,823 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 66,438 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 35,281 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 34,988 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 117,728 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 111,351 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 102,825 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 116,091 |
| Biggest Cities Starting With M | 0 | - | 4.49 | 135,306 |
| Biggest Cities Starting With P | 0 | - | 4.48 | 120,326 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 71,660 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,846 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,457 |
| Biggest City by Region #2 | 0 | - | 4.43 | 23,880 |
| Biggest Cities by Latitude | 0 | - | 4.75 | 26,875 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 80,934 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 63,418 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.43 | 48,994 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 39,596 |
| Biggest Urban Areas in the UK | 0 | - | 4.41 | 171,716 |
| Biggest Cities in Japan | 0 | - | 4.68 | 79,326 |
| Biggest Cities in Russia | 0 | - | 4.48 | 79,490 |
| Biggest Cities in France | 0 | - | 4.70 | 210,373 |
| Biggest Cities in Spain | 0 | - | 4.55 | 161,736 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 53,114 |
| Biggest Cities in Poland | 0 | - | 4.57 | 50,790 |
| Biggest Cities in the UK | 0 | - | 4.47 | 98,801 |
| Biggest Cities in China | 0 | - | 4.47 | 147,797 |
| Cities of Ireland | 0 | - | 4.50 | 48,203 |
| Biggest Cities in Canada | 0 | - | 4.57 | 126,130 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 45,267 |
| Biggest Cities in India | 0 | - | 4.70 | 64,958 |
| Biggest Cities in Italy | 0 | - | 4.70 | 228,860 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,369,398 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 361,986 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 155,342 |
| Countries with Megacities | 0 | - | 4.99 | 214,013 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 184,196 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 104,873 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 105,385 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 71,591 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 266,151 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 103,585 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 159,081 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 58,134 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.68 | 76,757 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.74 | 43,056 |
| Biggest Cities in the World - 2100 | 0 | - | 4.25 | 87,131 |
| Flags to Largest Cities | 0 | - | 4.54 | 35,136 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 50,622 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 36,642 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.74 | 72,083 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.42 | 103,046 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.41 | 87,551 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,283 |
| Biggest World Cities A-Z | 0 | - | 4.56 | 212,308 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 155,224 |
| Biggest Cities Starting With C | 0 | - | 4.09 | 100,687 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 82,579 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 120,438 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 121,822 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.78 | 21,021 |
| Biggest Nordic Cities | 0 | - | 4.38 | 60,507 |
| U.S. Cities by Hispanic Population | 0 | - | 4.30 | 35,398 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.50 | 22,146 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,439 |
| Biggest Cities in Washington State | 0 | - | 4.45 | 34,224 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 33,556 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 121,541 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 80,830 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 255,405 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 114,699 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 106,973 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 86,968 |
| Countries by Population Range - Tile Select | 0 | - | 4.85 | 54,134 |
| Largest World Cities With Four Letters | 0 | - | 4.35 | 44,316 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 39,202 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.26 | 103,645 |
| Biggest Cities by Trait #2 | 0 | - | 4.40 | 14,732 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,131 |
| Cities on Interstate 90 on a Map | 0 | - | 4.44 | 30,506 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 29,727 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 19,739 |
| Largest Cities in Alexander's Empire | 0 | - | 4.57 | 39,223 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 61,873 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.43 | 13,899 |
| Biggest U.S. Cities A-Z | 0 | - | 4.68 | 134,824 |
| Countries of Europe by Population | 0 | - | 4.98 | 142,694 |
| Most Populous Countries by Year | 0 | - | 4.81 | 101,039 |
| Most Populous Country by First Two Letters | 0 | - | 4.71 | 69,038 |
| Demographics Multiple Choice | 0 | - | 4.68 | 41,002 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 81,185 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 102,421 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 99,483 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 106,341 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 83,813 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 89,019 |
| Jewish Cities Quiz | 0 | - | 4.32 | 60,438 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.78 | 66,812 |
| Biggest Cities Near a Border | 0 | - | 4.19 | 30,426 |
| Cities in Squares on a Map - North America | 0 | - | 4.31 | 20,364 |
| The Most Populous U.S. City by Category | 0 | - | 4.33 | 21,488 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,157 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.34 | 95,491 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.14 | 101,125 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.15 | 75,194 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 70,546 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.26 | 69,336 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.31 | 71,210 |
| Biggest Cities in California | 0 | - | 4.34 | 134,943 |
| Biggest Cities in Florida | 0 | - | 4.22 | 69,670 |
| Biggest Cities in New York State | 0 | - | 4.31 | 57,609 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 44,026 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 47,272 |
| Biggest Cities in Texas | 0 | - | 4.27 | 115,311 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 24,274 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 213,025 |
