| Biggest Cities in the U.S. - Extreme | 0 | - | 4.94 | 141,136 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 70,232 |
| 500 Biggest US Cities | 0 | - | 4.87 | 99,607 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 32,213 |
| Biggest Cities in the World | 0 | - | 4.90 | 695,029 |
| Biggest Cities in Asia | 0 | - | 4.94 | 97,014 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 43,993 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 42,429 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 201,783 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 121,591 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 375,154 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.90 | 29,741 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 307,222 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 98,914 |
| Biggest Cities in the United States | 0 | - | 4.93 | 841,816 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 336,832 |
| Biggest City by Time Zone | 0 | - | 4.84 | 55,220 |
| Biggest City in Every Country | 0 | - | 4.98 | 80,144 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 172,112 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 93,195 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 97,911 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 65,931 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 72,541 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 66,155 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,734 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 60,305 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,710 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,012 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 108,120 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 29,995 |
| Biggest Cities in California | 0 | - | 4.35 | 131,114 |
| Biggest Cities in Florida | 0 | - | 4.20 | 67,711 |
| Biggest Cities in New York State | 0 | - | 4.29 | 56,110 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 42,903 |
| Biggest Cities in Texas | 0 | - | 4.26 | 111,904 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,523 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 44,332 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 103,129 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 518,825 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,150 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,615 |
| Biggest Cities by Language | 0 | - | 4.95 | 215,095 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,136 |
| Most Populous World Capitals | 0 | - | 4.93 | 149,585 |
| Biggest European Cities by Century | 0 | - | 4.98 | 119,740 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 51,251 |
| Megacities on a World Map | 0 | - | 4.98 | 222,299 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 92,981 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,391 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,085 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 44,722 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 85,572 |
| Biggest Cities in Germany | 0 | - | 4.95 | 265,834 |
| Biggest City in Each U.S. State | 0 | - | 4.83 | 152,261 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 155,781 |
| Biggest Cities in Europe | 0 | - | 4.76 | 469,836 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,236 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 37,599 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 77,861 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,465 |
| Biggest Cities in New Jersey | 0 | - | 4.10 | 25,122 |
| Biggest Cities in Colorado | 0 | - | 4.04 | 30,087 |
| Biggest Cities in Virginia | 0 | - | 4.21 | 23,094 |
| Biggest Cities in Oregon | 0 | - | 4.10 | 18,888 |
| Biggest Cities in Alaska | 0 | - | 4.27 | 23,729 |
| Biggest Cities in Arizona | 0 | - | 4.28 | 28,736 |
| Biggest Cities in Illinois | 0 | - | 4.33 | 24,668 |
| Biggest Cities in Louisiana | 0 | - | 4.12 | 18,374 |
| Biggest Cities in Massachusetts | 0 | - | 4.38 | 27,862 |
| Biggest Cities in Michigan | 0 | - | 3.97 | 32,417 |
| Biggest Cities in Missouri | 0 | - | 4.21 | 15,935 |
| Biggest Cities in Tennessee | 0 | - | 4.24 | 19,247 |
| Biggest Cities in Indiana | 0 | - | 4.27 | 21,644 |
| Biggest English Cities by Century | 0 | - | 4.90 | 100,078 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,136 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 68,267 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.50 | 62,255 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 40,607 |
| Biggest "Saint" Cities - United States | 0 | - | 4.47 | 34,206 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 36,978 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,829 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.50 | 40,939 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.78 | 69,229 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 87,055 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 37,244 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 56,620 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.70 | 74,900 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 60,753 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,072 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,226 |
| Biggest City by Region | 0 | - | 4.50 | 33,879 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,721 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 78,494 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,521 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 77,357 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,229 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,731 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 119,795 |
| Biggest City by Island | 0 | - | 4.57 | 45,954 |
| Biggest Cities in History | 0 | - | 4.50 | 81,262 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,267 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 63,135 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 37,592 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,369 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.23 | 93,403 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,824 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 36,663 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 64,859 |
| Biggest Cities in Japan | 0 | - | 4.65 | 76,096 |
| Biggest Cities in Russia | 0 | - | 4.49 | 77,270 |
| Biggest Cities in France | 0 | - | 4.76 | 201,362 |
| Biggest Cities in Spain | 0 | - | 4.55 | 155,107 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,762 |
| Biggest Cities in Poland | 0 | - | 4.57 | 48,605 |
| Biggest Cities in the UK | 0 | - | 4.46 | 94,383 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 33,321 |
| Biggest Cities in China | 0 | - | 4.55 | 140,260 |
| Cities of Ireland | 0 | - | 4.43 | 40,043 |
| Biggest Cities in Canada | 0 | - | 4.66 | 121,585 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,861 |
| Biggest Cities in India | 0 | - | 4.71 | 62,862 |
| Biggest Cities in Italy | 0 | - | 4.66 | 219,415 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 21,750 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 113,252 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 107,541 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 98,518 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 111,416 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 129,840 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 115,567 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 42,574 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,847 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 34,577 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.74 | 65,659 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 39,087 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 41,398 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 100,089 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,455 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,103 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,805 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,083 |
| Five Biggest Cities by Country | 0 | - | 4.66 | 153,844 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,269 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,343 |
| U.S. Cities by Hispanic Population | 0 | - | 4.27 | 24,645 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,411 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,062 |
| Flags to Largest Cities | 0 | - | 4.54 | 32,516 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.48 | 20,950 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 22,895 |
| Biggest World Cities A-Z | 0 | - | 4.57 | 204,398 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,320,422 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 351,442 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 138,623 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 110,676 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 65,326 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,711 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 82,194 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,562 |
| Largest Nordic Cities on a Map | 0 | - | 4.76 | 23,730 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 168,446 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,725 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 18,974 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,895 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 149,401 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 97,593 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 79,333 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 115,668 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 117,079 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 127,629 |
| Countries with Megacities | 0 | - | 4.99 | 199,817 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,416 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,005 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 97,014 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 64,975 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 250,609 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,235 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,453 |
| Biggest U.S. Cities A-Z | 0 | - | 4.71 | 132,302 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,565 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,792 |
| Countries of Europe by Population | 0 | - | 4.98 | 129,299 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 246,829 |
| Most Populous Countries by Year | 0 | - | 4.81 | 94,768 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,833 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 103,872 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 71,382 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,043 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 97,534 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 81,818 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 94,286 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 71,812 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,957 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,404 |
| Biggest Cities Near a Border | 0 | - | 4.20 | 28,891 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,266 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 19,588 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.21 | 17,352 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.40 | 88,617 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 74,646 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.32 | 82,899 |
