| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 143,155 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 70,475 |
| 500 Biggest US Cities | 0 | - | 4.88 | 100,072 |
| Biggest Cities in North Carolina | 0 | - | 4.65 | 32,362 |
| Biggest Cities in the World | 0 | - | 4.90 | 697,484 |
| Biggest Cities in Asia | 0 | - | 4.94 | 97,290 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 44,144 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 42,627 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 202,189 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 121,940 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 376,129 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 29,959 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 307,971 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 99,315 |
| Biggest Cities in the United States | 0 | - | 4.93 | 844,061 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 337,356 |
| Biggest City by Time Zone | 0 | - | 4.84 | 55,474 |
| Biggest City in Every Country | 0 | - | 4.98 | 80,679 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 172,827 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 93,527 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 98,705 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 66,214 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 72,791 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 66,415 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,815 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 60,486 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,792 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,212 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 108,546 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 30,201 |
| Biggest Cities in California | 0 | - | 4.35 | 131,441 |
| Biggest Cities in Florida | 0 | - | 4.20 | 67,935 |
| Biggest Cities in New York State | 0 | - | 4.29 | 56,298 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 43,046 |
| Biggest Cities in Ohio | 0 | - | 4.37 | 46,131 |
| Biggest Cities in Texas | 0 | - | 4.26 | 112,143 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,634 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 44,499 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 104,292 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 520,005 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,395 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,803 |
| Biggest Cities by Language | 0 | - | 4.95 | 215,706 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,209 |
| Most Populous World Capitals | 0 | - | 4.93 | 156,815 |
| Biggest European Cities by Century | 0 | - | 4.98 | 119,916 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 51,350 |
| Megacities on a World Map | 0 | - | 4.98 | 222,916 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 93,215 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,543 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,243 |
| Biggest Cities in France - Extreme | 0 | - | 4.90 | 44,950 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 85,854 |
| Biggest Cities in Germany | 0 | - | 4.95 | 266,494 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 152,606 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 156,009 |
| Biggest Cities in Europe | 0 | - | 4.75 | 471,246 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,386 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 37,658 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 78,326 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,524 |
| Biggest Cities in New Jersey | 0 | - | 4.10 | 25,252 |
| Biggest Cities in Colorado | 0 | - | 4.04 | 30,212 |
| Biggest Cities in Virginia | 0 | - | 4.21 | 23,203 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 18,976 |
| Biggest Cities in Alaska | 0 | - | 4.27 | 23,853 |
| Biggest Cities in Arizona | 0 | - | 4.28 | 28,916 |
| Biggest Cities in Illinois | 0 | - | 4.33 | 24,862 |
| Biggest Cities in Louisiana | 0 | - | 4.12 | 18,476 |
| Biggest Cities in Massachusetts | 0 | - | 4.38 | 28,001 |
| Biggest Cities in Michigan | 0 | - | 3.97 | 32,554 |
| Biggest Cities in Missouri | 0 | - | 4.21 | 16,013 |
| Biggest Cities in Tennessee | 0 | - | 4.24 | 19,344 |
| Biggest Cities in Indiana | 0 | - | 4.29 | 24,298 |
| Biggest English Cities by Century | 0 | - | 4.90 | 100,234 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,238 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 68,366 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.50 | 62,585 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 40,689 |
| Biggest "Saint" Cities - United States | 0 | - | 4.47 | 34,265 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.45 | 37,183 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,889 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.50 | 41,229 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 69,341 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 87,112 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 37,372 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 56,684 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.70 | 75,019 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 60,857 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,137 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,266 |
| Biggest City by Region | 0 | - | 4.50 | 33,941 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,805 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 78,628 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,574 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 77,556 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,291 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,882 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 119,952 |
| Biggest City by Island | 0 | - | 4.57 | 46,001 |
| Biggest Cities in History | 0 | - | 4.50 | 81,445 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,356 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 63,203 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 37,683 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,424 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.23 | 94,003 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,868 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 36,809 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 64,944 |
| Biggest Cities in Japan | 0 | - | 4.65 | 76,214 |
| Biggest Cities in Russia | 0 | - | 4.49 | 77,377 |
| Biggest Cities in France | 0 | - | 4.76 | 201,915 |
| Biggest Cities in Spain | 0 | - | 4.55 | 155,463 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,875 |
| Biggest Cities in Poland | 0 | - | 4.57 | 48,756 |
| Biggest Cities in the UK | 0 | - | 4.46 | 94,628 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 33,432 |
| Biggest Cities in China | 0 | - | 4.57 | 140,676 |
| Cities of Ireland | 0 | - | 4.43 | 40,130 |
| Biggest Cities in Canada | 0 | - | 4.66 | 121,818 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,937 |
| Biggest Cities in India | 0 | - | 4.71 | 62,997 |
| Biggest Cities in Italy | 0 | - | 4.66 | 219,975 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 21,927 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 113,475 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 107,705 |
| Biggest Cities Starting With H | 0 | - | 4.57 | 98,755 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 111,643 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 130,278 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 115,789 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 42,605 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,944 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 34,700 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.75 | 65,993 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 39,232 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 41,495 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 100,266 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,519 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,143 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,833 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,100 |
| Five Biggest Cities by Country | 0 | - | 4.66 | 154,146 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,301 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,373 |
| U.S. Cities by Hispanic Population | 0 | - | 4.27 | 24,677 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,451 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,107 |
| Flags to Largest Cities | 0 | - | 4.54 | 32,661 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.48 | 21,062 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 22,926 |
| Biggest World Cities A-Z | 0 | - | 4.57 | 204,911 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,323,061 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 352,224 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,025 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,028 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 65,413 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,734 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 82,477 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,593 |
| Largest Nordic Cities on a Map | 0 | - | 4.79 | 23,867 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 168,622 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,776 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 19,029 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,922 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 149,700 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 97,723 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 79,516 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 115,880 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 117,311 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 128,072 |
| Countries with Megacities | 0 | - | 4.99 | 200,452 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,990 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,264 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 97,409 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,261 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 251,375 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,273 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,490 |
| Biggest U.S. Cities A-Z | 0 | - | 4.72 | 132,431 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,728 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 67,017 |
| Countries of Europe by Population | 0 | - | 4.98 | 130,011 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 247,234 |
| Most Populous Countries by Year | 0 | - | 4.81 | 95,050 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 110,071 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 103,993 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 71,709 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,154 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 97,798 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 83,023 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 94,515 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 72,153 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 51,086 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,448 |
| Biggest Cities Near a Border | 0 | - | 4.20 | 29,011 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,287 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 19,627 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.21 | 17,426 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.40 | 88,896 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 74,911 |
