| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 143,237 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 70,503 |
| 500 Biggest US Cities | 0 | - | 4.88 | 100,117 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 32,374 |
| Biggest Cities in the World | 0 | - | 4.90 | 697,760 |
| Biggest Cities in Asia | 0 | - | 4.94 | 97,344 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 44,161 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 42,651 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 202,241 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 121,983 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 376,223 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 29,973 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 308,060 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 99,361 |
| Biggest Cities in the United States | 0 | - | 4.93 | 844,339 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 337,417 |
| Biggest City by Time Zone | 0 | - | 4.85 | 55,506 |
| Biggest City in Every Country | 0 | - | 4.98 | 80,716 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 172,901 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 93,566 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 98,770 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 66,259 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 72,821 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 66,447 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,819 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 60,502 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,804 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,235 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 108,587 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 30,218 |
| Biggest Cities in California | 0 | - | 4.35 | 131,474 |
| Biggest Cities in Florida | 0 | - | 4.20 | 67,953 |
| Biggest Cities in New York State | 0 | - | 4.29 | 56,308 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 43,054 |
| Biggest Cities in Ohio | 0 | - | 4.37 | 46,139 |
| Biggest Cities in Texas | 0 | - | 4.26 | 112,161 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,638 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 44,514 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 104,349 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 520,126 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,410 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,820 |
| Biggest Cities by Language | 0 | - | 4.95 | 215,748 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,222 |
| Most Populous World Capitals | 0 | - | 4.94 | 158,408 |
| Biggest European Cities by Century | 0 | - | 4.98 | 119,940 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 51,366 |
| Megacities on a World Map | 0 | - | 4.98 | 222,952 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 93,236 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,571 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,264 |
| Biggest Cities in France - Extreme | 0 | - | 4.90 | 44,972 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 85,904 |
| Biggest Cities in Germany | 0 | - | 4.95 | 266,560 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 152,632 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 156,034 |
| Biggest Cities in Europe | 0 | - | 4.75 | 471,432 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,405 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 37,666 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 78,370 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,531 |
| Biggest Cities in New Jersey | 0 | - | 4.10 | 25,259 |
| Biggest Cities in Colorado | 0 | - | 4.04 | 30,220 |
| Biggest Cities in Virginia | 0 | - | 4.21 | 23,209 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 18,981 |
| Biggest Cities in Alaska | 0 | - | 4.27 | 23,863 |
| Biggest Cities in Arizona | 0 | - | 4.28 | 28,936 |
| Biggest Cities in Illinois | 0 | - | 4.33 | 24,875 |
| Biggest Cities in Louisiana | 0 | - | 4.12 | 18,481 |
| Biggest Cities in Massachusetts | 0 | - | 4.38 | 28,008 |
| Biggest Cities in Michigan | 0 | - | 3.97 | 32,565 |
| Biggest Cities in Missouri | 0 | - | 4.21 | 16,018 |
| Biggest Cities in Tennessee | 0 | - | 4.24 | 19,349 |
| Biggest Cities in Indiana | 0 | - | 4.29 | 24,315 |
| Biggest English Cities by Century | 0 | - | 4.90 | 100,256 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,255 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 68,379 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.50 | 62,620 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 40,698 |
| Biggest "Saint" Cities - United States | 0 | - | 4.47 | 34,272 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.45 | 37,202 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,898 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.50 | 41,258 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 69,353 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 87,123 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 37,391 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 56,693 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.70 | 75,028 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 60,867 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,144 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,269 |
| Biggest City by Region | 0 | - | 4.50 | 33,945 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,812 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 78,637 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,581 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 77,571 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,296 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,896 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 119,968 |
| Biggest City by Island | 0 | - | 4.57 | 46,003 |
| Biggest Cities in History | 0 | - | 4.50 | 81,467 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,371 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 63,208 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 37,691 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,432 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.23 | 94,077 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,871 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 36,824 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 64,951 |
| Biggest Cities in Japan | 0 | - | 4.65 | 76,225 |
| Biggest Cities in Russia | 0 | - | 4.49 | 77,385 |
| Biggest Cities in France | 0 | - | 4.76 | 201,973 |
| Biggest Cities in Spain | 0 | - | 4.55 | 155,504 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,896 |
| Biggest Cities in Poland | 0 | - | 4.57 | 48,766 |
| Biggest Cities in the UK | 0 | - | 4.46 | 94,647 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 33,437 |
| Biggest Cities in China | 0 | - | 4.57 | 140,710 |
| Cities of Ireland | 0 | - | 4.43 | 40,143 |
| Biggest Cities in Canada | 0 | - | 4.66 | 121,850 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,942 |
| Biggest Cities in India | 0 | - | 4.71 | 63,010 |
| Biggest Cities in Italy | 0 | - | 4.66 | 220,018 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 21,938 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 113,516 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 107,740 |
| Biggest Cities Starting With H | 0 | - | 4.57 | 98,810 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 111,691 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 130,330 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 115,826 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 42,610 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,954 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 34,708 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.75 | 66,030 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 39,249 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 41,510 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 100,291 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,524 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,145 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,839 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,105 |
| Five Biggest Cities by Country | 0 | - | 4.66 | 154,174 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,303 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,376 |
| U.S. Cities by Hispanic Population | 0 | - | 4.27 | 24,681 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,455 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,108 |
| Flags to Largest Cities | 0 | - | 4.54 | 32,676 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.48 | 21,064 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 22,932 |
| Biggest World Cities A-Z | 0 | - | 4.57 | 204,964 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,323,373 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 352,290 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,053 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,061 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 65,419 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,737 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 82,497 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,596 |
| Largest Nordic Cities on a Map | 0 | - | 4.79 | 23,876 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 168,638 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,783 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 19,032 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,922 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 149,752 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 97,758 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 79,673 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 115,916 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 117,353 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 128,121 |
| Countries with Megacities | 0 | - | 4.99 | 200,517 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 174,284 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,297 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 97,456 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,295 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 251,466 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,275 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,497 |
| Biggest U.S. Cities A-Z | 0 | - | 4.72 | 132,448 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,754 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 67,036 |
| Countries of Europe by Population | 0 | - | 4.98 | 130,069 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 247,281 |
| Most Populous Countries by Year | 0 | - | 4.81 | 95,085 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 110,098 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 104,007 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 71,731 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,165 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 97,834 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 83,132 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 94,540 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 72,182 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 51,096 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,454 |
| Biggest Cities Near a Border | 0 | - | 4.20 | 29,020 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,290 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 19,633 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.21 | 17,432 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.40 | 88,919 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 74,940 |
