| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 53,721 |
| Biggest Cities in the World | 0 | - | 4.91 | 746,072 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 324,900 |
| Biggest Cities in Asia | 0 | - | 4.94 | 103,559 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 47,116 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 46,755 |
| Biggest English Cities by Century | 0 | - | 4.89 | 103,176 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.55 | 64,425 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 50,820 |
| Largest Nordic Cities on a Map | 0 | - | 4.83 | 33,871 |
| Biggest Cities in Germany | 0 | - | 4.95 | 279,397 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 396,236 |
| Biggest Cities in the United States | 0 | - | 4.94 | 907,812 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 351,109 |
| Biggest City by Time Zone | 0 | - | 4.86 | 61,100 |
| Biggest City in Every Country | 0 | - | 4.98 | 89,362 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 187,487 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 101,421 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 109,706 |
| Biggest Cities with Exceptions | 0 | - | 4.89 | 72,678 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 212,385 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.85 | 78,544 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 128,671 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 72,402 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 45,256 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 107,203 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 64,997 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 48,894 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 61,661 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 118,965 |
| Biggest Urban Areas in the UK | 0 | - | 4.41 | 172,310 |
| Biggest Cities in the UK | 0 | - | 4.47 | 99,709 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 114,580 |
| Biggest Cities by Language | 0 | - | 4.95 | 223,377 |
| Largest City by Island | 0 | - | 4.90 | 66,158 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 67,593 |
| Most Populous World Capitals | 0 | - | 4.93 | 169,028 |
| Biggest European Cities by Century | 0 | - | 4.98 | 125,044 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 152,250 |
| Megacities on a World Map | 0 | - | 4.98 | 232,246 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 41,457 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 110,883 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 547,992 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 63,929 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 69,283 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 75,050 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 34,974 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.88 | 108,072 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.83 | 57,730 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 99,340 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.82 | 52,833 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 159,984 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 161,621 |
| Biggest Cities in Europe | 0 | - | 4.74 | 516,453 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 97,737 |
| Megacities on an Empty Map | 0 | - | 4.95 | 92,958 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,250 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.83 | 83,269 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 39,418 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.90 | 88,300 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 44,476 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 104,954 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 66,478 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 70,828 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 81,516 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,119 |
| Cities of China (With Some Help) | 0 | - | 4.89 | 29,974 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.75 | 71,396 |
| Biggest Mediterranean Cities | 0 | - | 4.56 | 88,867 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 40,277 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 39,469 |
| Biggest Cities in France | 0 | - | 4.70 | 212,526 |
| Biggest Cities in Spain | 0 | - | 4.63 | 163,193 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 53,586 |
| Cities of Ireland | 0 | - | 4.50 | 48,589 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 45,575 |
| Biggest Cities in Italy | 0 | - | 4.70 | 230,428 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 59,595 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 62,889 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 100,133 |
| Biggest Nordic Cities | 0 | - | 4.38 | 60,642 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 44,225 |
| Biggest City by Region | 0 | - | 4.49 | 34,947 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 55,588 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,126 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,479 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 80,845 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,380 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 140,298 |
| Biggest European Cities by Letter | 0 | - | 4.62 | 123,025 |
| Biggest Cities in History | 0 | - | 4.50 | 85,190 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 70,407 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 80,027 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 41,925 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,400 |
| Biggest "Saint" Cities - United States | 0 | - | 4.49 | 35,586 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 39,050 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 66,729 |
| Biggest Cities in the Blue Banana | 0 | - | 4.54 | 34,055 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 35,686 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.95 | 35,992 |
| Biggest Cities Starting With A | 0 | - | 4.61 | 118,596 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 111,968 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 103,952 |
| Biggest Cities Starting With L | 0 | - | 4.45 | 116,973 |
| Biggest Cities Starting With M | 0 | - | 4.49 | 136,584 |
| Biggest Cities Starting With P | 0 | - | 4.48 | 121,193 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.43 | 70,865 |
| Largest Cities in Alexander's Empire | 0 | - | 4.57 | 39,328 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 49,384 |
| Biggest Cities in Japan | 0 | - | 4.68 | 79,961 |
| Biggest Cities in Russia | 0 | - | 4.48 | 79,877 |
| Biggest Cities in Poland | 0 | - | 4.57 | 51,258 |
| Biggest Cities in China | 0 | - | 4.47 | 149,334 |
| Biggest Cities in Canada | 0 | - | 4.56 | 127,180 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 19,914 |
| Biggest Cities in India | 0 | - | 4.71 | 65,309 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 146,312 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 117,150 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 71,865 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,986 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,537 |
| Biggest City by Region #2 | 0 | - | 4.43 | 23,978 |
| Biggest Cities by Latitude | 0 | - | 4.77 | 26,979 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.78 | 67,112 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 104,108 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 160,032 |
| U.S. Cities by Hispanic Population | 0 | - | 4.30 | 35,913 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 58,498 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.68 | 77,162 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.74 | 43,148 |
| Flags to Largest Cities | 0 | - | 4.54 | 35,695 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.50 | 22,347 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 50,936 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 37,020 |
| All Cities in China with Population of 1 Million | 0 | - | 4.78 | 42,576 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,548 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.42 | 104,103 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.41 | 88,523 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 213,664 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,379,569 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 364,352 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 158,300 |
| Countries with Megacities | 0 | - | 4.99 | 217,435 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 186,334 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 106,042 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 126,337 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 72,964 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 269,282 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 39,503 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.26 | 105,726 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 62,086 |
| Biggest Cities in the World - 2100 | 0 | - | 4.23 | 88,042 |
| Cities on Interstate 90 on a Map | 0 | - | 4.44 | 30,774 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 29,925 |
| Biggest Cities in Washington State | 0 | - | 4.46 | 34,523 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,379 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 33,789 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 156,284 |
| Biggest Cities Starting With C | 0 | - | 4.09 | 101,251 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 83,334 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 121,210 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 122,799 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.80 | 21,350 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 122,534 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 81,730 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 257,072 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 115,745 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 107,548 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 87,965 |
| Countries by Population Range - Tile Select | 0 | - | 4.85 | 54,833 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 44,487 |
| Biggest Cities by Trait #2 | 0 | - | 4.40 | 14,823 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.43 | 14,023 |
| Jewish Cities Quiz | 0 | - | 4.32 | 60,617 |
| The Most Populous U.S. City by Category | 0 | - | 4.33 | 21,608 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,298 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.34 | 96,544 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.14 | 102,122 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 81,545 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.16 | 72,331 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.26 | 70,587 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.32 | 71,806 |
| Biggest U.S. Cities A-Z | 0 | - | 4.68 | 135,568 |
| Biggest Cities in California | 0 | - | 4.34 | 135,850 |
| Biggest Cities in Florida | 0 | - | 4.22 | 70,034 |
| Biggest Cities in New York State | 0 | - | 4.30 | 57,937 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 44,250 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 47,512 |
| Biggest Cities in Texas | 0 | - | 4.27 | 115,986 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 24,412 |
| Countries of Europe by Population | 0 | - | 4.98 | 145,944 |
| Most Populous Countries by Year | 0 | - | 4.81 | 102,448 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 81,630 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 103,287 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 100,583 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 107,236 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 84,660 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 89,536 |
| Biggest Axis-Controlled Cities | 0 | - | 4.42 | 47,144 |
