| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 142,539 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 70,371 |
| 500 Biggest US Cities | 0 | - | 4.88 | 99,837 |
| Biggest Cities in North Carolina | 0 | - | 4.65 | 32,308 |
| Biggest Cities in the World | 0 | - | 4.90 | 696,080 |
| Biggest Cities in Asia | 0 | - | 4.94 | 97,150 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 44,080 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 42,535 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 201,955 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 121,780 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 375,567 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 29,872 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 307,552 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 99,127 |
| Biggest Cities in the United States | 0 | - | 4.93 | 842,858 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 337,080 |
| Biggest City by Time Zone | 0 | - | 4.84 | 55,329 |
| Biggest City in Every Country | 0 | - | 4.98 | 80,277 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 172,419 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 93,314 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 98,409 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 66,062 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 72,650 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 66,268 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,770 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 60,383 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,739 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,097 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 108,359 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 30,109 |
| Biggest Cities in California | 0 | - | 4.35 | 131,326 |
| Biggest Cities in Florida | 0 | - | 4.20 | 67,873 |
| Biggest Cities in New York State | 0 | - | 4.29 | 56,234 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 43,001 |
| Biggest Cities in Ohio | 0 | - | 4.37 | 46,075 |
| Biggest Cities in Texas | 0 | - | 4.26 | 112,058 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 44,438 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 103,949 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 519,365 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,272 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,697 |
| Biggest Cities by Language | 0 | - | 4.95 | 215,538 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,171 |
| Most Populous World Capitals | 0 | - | 4.93 | 149,712 |
| Biggest European Cities by Century | 0 | - | 4.98 | 119,824 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 51,301 |
| Megacities on a World Map | 0 | - | 4.98 | 222,679 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 93,088 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,452 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,152 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 44,816 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 85,694 |
| Biggest Cities in Germany | 0 | - | 4.95 | 266,148 |
| Biggest City in Each U.S. State | 0 | - | 4.83 | 152,431 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 155,874 |
| Biggest Cities in Europe | 0 | - | 4.76 | 470,448 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,296 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 37,621 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 78,062 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,495 |
| Biggest Cities in New Jersey | 0 | - | 4.10 | 25,208 |
| Biggest Cities in Colorado | 0 | - | 4.04 | 30,176 |
| Biggest Cities in Virginia | 0 | - | 4.21 | 23,172 |
| Biggest Cities in Oregon | 0 | - | 4.10 | 18,941 |
| Biggest Cities in Alaska | 0 | - | 4.27 | 23,826 |
| Biggest Cities in Arizona | 0 | - | 4.28 | 28,859 |
| Biggest Cities in Illinois | 0 | - | 4.33 | 24,810 |
| Biggest Cities in Louisiana | 0 | - | 4.12 | 18,439 |
| Biggest Cities in Massachusetts | 0 | - | 4.38 | 27,955 |
| Biggest Cities in Michigan | 0 | - | 3.97 | 32,509 |
| Biggest Cities in Missouri | 0 | - | 4.21 | 15,987 |
| Biggest Cities in Tennessee | 0 | - | 4.24 | 19,313 |
| Biggest Cities in Indiana | 0 | - | 4.29 | 24,044 |
| Biggest English Cities by Century | 0 | - | 4.90 | 100,153 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,184 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 68,308 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.50 | 62,392 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 40,650 |
| Biggest "Saint" Cities - United States | 0 | - | 4.47 | 34,236 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 37,089 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,854 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.50 | 41,058 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.78 | 69,283 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 87,074 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 37,302 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 56,647 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.70 | 74,955 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 60,798 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,100 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,239 |
| Biggest City by Region | 0 | - | 4.50 | 33,918 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,760 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 78,545 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,545 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 77,461 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,258 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,792 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 119,866 |
| Biggest City by Island | 0 | - | 4.57 | 45,980 |
| Biggest Cities in History | 0 | - | 4.50 | 81,342 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,308 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 63,168 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 37,636 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,388 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.23 | 93,655 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,844 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 36,724 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 64,900 |
| Biggest Cities in Japan | 0 | - | 4.65 | 76,161 |
| Biggest Cities in Russia | 0 | - | 4.49 | 77,312 |
| Biggest Cities in France | 0 | - | 4.76 | 201,570 |
| Biggest Cities in Spain | 0 | - | 4.55 | 155,284 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,825 |
| Biggest Cities in Poland | 0 | - | 4.57 | 48,653 |
| Biggest Cities in the UK | 0 | - | 4.46 | 94,485 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 33,371 |
| Biggest Cities in China | 0 | - | 4.57 | 140,463 |
| Cities of Ireland | 0 | - | 4.43 | 40,075 |
| Biggest Cities in Canada | 0 | - | 4.66 | 121,669 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,901 |
| Biggest Cities in India | 0 | - | 4.71 | 62,921 |
| Biggest Cities in Italy | 0 | - | 4.66 | 219,654 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 21,889 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 113,339 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 107,607 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 98,609 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 111,513 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 129,965 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 115,648 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 42,589 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,876 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 34,627 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.75 | 65,796 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 39,162 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 41,449 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 100,179 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,481 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,123 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,816 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,090 |
| Five Biggest Cities by Country | 0 | - | 4.66 | 153,972 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,284 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,361 |
| U.S. Cities by Hispanic Population | 0 | - | 4.27 | 24,660 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,424 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,085 |
| Flags to Largest Cities | 0 | - | 4.54 | 32,583 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.48 | 20,985 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 22,905 |
| Biggest World Cities A-Z | 0 | - | 4.57 | 204,638 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,321,617 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 351,859 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 138,717 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 110,782 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 65,369 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,721 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 82,328 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,575 |
| Largest Nordic Cities on a Map | 0 | - | 4.79 | 23,802 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 168,530 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,753 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 18,999 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,902 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 149,532 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 97,647 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 79,402 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 115,756 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 117,177 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 127,797 |
| Countries with Megacities | 0 | - | 4.99 | 200,089 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,644 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,110 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 97,176 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 65,093 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 250,911 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,253 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,461 |
| Biggest U.S. Cities A-Z | 0 | - | 4.72 | 132,358 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,633 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,901 |
| Countries of Europe by Population | 0 | - | 4.98 | 129,587 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 247,017 |
| Most Populous Countries by Year | 0 | - | 4.81 | 94,889 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,927 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 103,933 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 71,542 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,082 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 97,656 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 82,472 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 94,394 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 71,994 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 51,012 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,426 |
| Biggest Cities Near a Border | 0 | - | 4.20 | 28,947 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,276 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 19,609 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.40 | 88,748 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 74,777 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.32 | 83,032 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.08 | 88,837 |
