| Biggest Cities in the U.S. - Extreme | 0 | - | 4.94 | 134,199 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 69,613 |
| 500 Biggest US Cities | 0 | - | 4.87 | 98,425 |
| Biggest Cities in the World | 0 | - | 4.89 | 688,396 |
| Biggest Cities in Asia | 0 | - | 4.94 | 96,063 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 43,552 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 41,830 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 29,194 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 199,513 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 109,468 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 371,850 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 304,598 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 97,726 |
| Biggest Cities in the United States | 0 | - | 4.93 | 823,502 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 334,479 |
| Biggest City by Time Zone | 0 | - | 4.84 | 54,545 |
| Biggest City in Every Country | 0 | - | 4.97 | 79,063 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 170,223 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 92,287 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 96,552 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.83 | 44,022 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 65,092 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 71,650 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.91 | 92,105 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 65,404 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,444 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 59,824 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.81 | 52,489 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,431 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 55,384 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 106,602 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,130 |
| Biggest Cities by Language | 0 | - | 4.95 | 214,159 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 64,911 |
| Most Populous World Capitals | 0 | - | 4.92 | 148,715 |
| Biggest European Cities by Century | 0 | - | 4.98 | 118,947 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 50,993 |
| Megacities on a World Map | 0 | - | 4.98 | 220,979 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 91,185 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 514,854 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,953 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 63,556 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 43,941 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 84,578 |
| Biggest Cities in Germany | 0 | - | 4.95 | 263,510 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 151,414 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 32,012 |
| Biggest Cities in Sweden | 0 | - | 4.82 | 37,300 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 76,499 |
| Biggest Cities in California | 0 | - | 4.35 | 130,548 |
| Biggest Cities in Florida | 0 | - | 4.20 | 67,433 |
| Biggest Cities in New York State | 0 | - | 4.29 | 55,898 |
| Biggest Cities in Texas | 0 | - | 4.26 | 111,483 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 155,060 |
| Biggest Cities in Europe | 0 | - | 4.75 | 465,739 |
| Megacities on an Empty Map | 0 | - | 4.95 | 87,674 |
| Biggest English Cities by Century | 0 | - | 4.90 | 99,669 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 63,829 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,944 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.49 | 60,525 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 40,390 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 34,014 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,256 |
| Biggest Cities in Washington State | 0 | - | 4.45 | 29,399 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 42,713 |
| Biggest Cities in Ohio | 0 | - | 4.37 | 45,749 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,408 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,610 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,810 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,650 |
| Biggest Cities in Michigan | 0 | - | 3.97 | 32,281 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 78,085 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 68,886 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.67 | 56,367 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.71 | 74,613 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 86,630 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 36,927 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 60,448 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,575 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 119,069 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,101 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 62,965 |
| Biggest City by Region | 0 | - | 4.49 | 33,689 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,443 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,395 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 76,783 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.47 | 30,189 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,058 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 33,007 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 37,290 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.25 | 91,688 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 36,142 |
| Cities on Interstate 90 on a Map | 0 | - | 4.41 | 27,883 |
| Biggest Cities in Japan | 0 | - | 4.66 | 75,709 |
| Biggest Cities in Russia | 0 | - | 4.49 | 76,745 |
| Biggest Cities in France | 0 | - | 4.76 | 199,954 |
| Biggest Cities in Spain | 0 | - | 4.50 | 153,785 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,284 |
| Biggest Cities in Poland | 0 | - | 4.57 | 48,161 |
| Biggest Cities in the UK | 0 | - | 4.46 | 93,628 |
| Biggest Cities in China | 0 | - | 4.64 | 138,923 |
| Cities of Ireland | 0 | - | 4.43 | 39,777 |
| Biggest Cities in Canada | 0 | - | 4.66 | 120,854 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,630 |
| Biggest Cities in India | 0 | - | 4.72 | 62,478 |
| Biggest Cities in Italy | 0 | - | 4.65 | 217,507 |
| Biggest Cities in New Jersey | 0 | - | 4.10 | 24,968 |
| Biggest Cities in Colorado | 0 | - | 4.04 | 29,945 |
| Biggest Cities in Virginia | 0 | - | 4.23 | 22,971 |
| Biggest Cities in Oregon | 0 | - | 4.10 | 18,759 |
| Biggest Cities in Alaska | 0 | - | 4.27 | 23,605 |
| Biggest Cities in Arizona | 0 | - | 4.28 | 28,533 |
| Biggest Cities in Illinois | 0 | - | 4.33 | 24,489 |
| Biggest Cities in Louisiana | 0 | - | 4.12 | 18,252 |
| Biggest Cities in Massachusetts | 0 | - | 4.38 | 27,648 |
| Biggest Cities in Missouri | 0 | - | 4.21 | 15,852 |
| Biggest Cities in Tennessee | 0 | - | 4.24 | 19,143 |
| Biggest Cities in Indiana | 0 | - | 4.29 | 21,008 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,303 |
| Biggest City by Island | 0 | - | 4.57 | 45,797 |
| Biggest Cities in History | 0 | - | 4.50 | 80,358 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,014 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,271 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.49 | 40,171 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.79 | 42,489 |
| Biggest World Cities in 1850 | 0 | - | 4.58 | 64,635 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,465 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 64,704 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 38,727 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 41,055 |
| Biggest Cities Starting With A | 0 | - | 4.56 | 112,334 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 106,969 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 97,788 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 110,665 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 129,024 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 114,847 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 99,602 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,240 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 38,996 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,688 |
| Biggest Coastal City by Country | 0 | - | 4.59 | 27,037 |
| Five Biggest Cities by Country | 0 | - | 4.66 | 152,647 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,146 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,255 |
| U.S. Cities by Hispanic Population | 0 | - | 4.26 | 24,563 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,635 |
| Northernmost Major City by Country | 0 | - | 4.56 | 30,902 |
| Flags to Largest Cities | 0 | - | 4.54 | 32,057 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 20,745 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,780 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 194,197 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,312,827 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 349,914 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 137,387 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,955 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 65,057 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 81,348 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,465 |
| Largest Nordic Cities on a Map | 0 | - | 4.76 | 23,373 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 167,914 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,144 |
| Biggest Cities in Mexico | 0 | - | 4.54 | 29,330 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,578 |
| Biggest Cities in Portugal | 0 | - | 4.41 | 18,827 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,829 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 21,603 |
| Biggest Cities Starting With B | 0 | - | 4.35 | 148,201 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 97,067 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 78,863 |
| Biggest Cities Starting With S | 0 | - | 4.39 | 114,800 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 116,383 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,080 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 126,429 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,227 |
| Countries with Megacities | 0 | - | 4.99 | 197,705 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 245,272 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,181 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,950 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 98,629 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 98,195 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 95,751 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 70,075 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 64,163 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 248,406 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,600 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,289 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,197 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,338 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.39 | 87,174 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 73,363 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.31 | 81,663 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.09 | 87,368 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.18 | 69,341 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.23 | 64,854 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.23 | 60,464 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 67,816 |
| Biggest U.S. Cities A-Z | 0 | - | 4.63 | 128,059 |
| Countries of Europe by Population | 0 | - | 4.98 | 127,311 |
| Most Populous Countries by Year | 0 | - | 4.81 | 93,889 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,812 |
