| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 150,998 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 74,253 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 33,883 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.89 | 106,651 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 321,731 |
| Biggest Cities in the World | 0 | - | 4.91 | 737,588 |
| Biggest Cities in Asia | 0 | - | 4.94 | 102,603 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 46,575 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 46,096 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 41,883 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.90 | 86,225 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 43,946 |
| Biggest Cities in Washington State | 0 | - | 4.45 | 34,226 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 33,557 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 210,711 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 127,398 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 393,127 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 105,803 |
| Biggest Cities in the United States | 0 | - | 4.94 | 896,573 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 348,724 |
| Biggest City by Time Zone | 0 | - | 4.85 | 60,106 |
| Biggest City in Every Country | 0 | - | 4.98 | 87,719 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 184,962 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 100,049 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 107,973 |
| Biggest Cities with Exceptions | 0 | - | 4.89 | 71,626 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.85 | 77,622 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 71,333 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 44,818 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.90 | 64,186 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 48,517 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 60,721 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 116,924 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.97 | 40,732 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 109,841 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 543,219 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 56,993 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 113,851 |
| Biggest Cities by Language | 0 | - | 4.95 | 222,227 |
| Largest City by Island | 0 | - | 4.90 | 64,574 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 67,071 |
| Most Populous World Capitals | 0 | - | 4.93 | 167,977 |
| Biggest European Cities by Century | 0 | - | 4.98 | 123,962 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 53,288 |
| Megacities on a World Map | 0 | - | 4.98 | 230,658 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 97,097 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 63,396 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 68,405 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 49,386 |
| Largest Nordic Cities on a Map | 0 | - | 4.83 | 33,232 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 97,984 |
| Biggest Cities in Germany | 0 | - | 4.95 | 276,999 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 44,028 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 158,799 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 47,277 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 24,275 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 160,415 |
| Biggest Cities in Europe | 0 | - | 4.74 | 511,193 |
| Megacities on an Empty Map | 0 | - | 4.95 | 92,191 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 39,052 |
| Cities of China (With Some Help) | 0 | - | 4.89 | 29,706 |
| Biggest English Cities by Century | 0 | - | 4.89 | 102,704 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.81 | 66,096 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 70,411 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 79,142 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,115 |
| Biggest "Saint" Cities - United States | 0 | - | 4.48 | 35,375 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 38,827 |
| Biggest Cities in California | 0 | - | 4.34 | 134,950 |
| Biggest Cities in Florida | 0 | - | 4.22 | 69,675 |
| Biggest Cities in New York State | 0 | - | 4.31 | 57,610 |
| Biggest Cities in Texas | 0 | - | 4.27 | 115,313 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 63,421 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.43 | 48,995 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 71,089 |
| Biggest Mediterranean Cities | 0 | - | 4.56 | 88,602 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 39,065 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 58,135 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.68 | 76,760 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.74 | 72,090 |
| Biggest Cities in New Jersey | 0 | - | 4.11 | 26,059 |
| Biggest Cities in Colorado | 0 | - | 4.04 | 31,019 |
| Biggest Cities in Virginia | 0 | - | 4.21 | 24,093 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 19,685 |
| Biggest Cities in Alaska | 0 | - | 4.27 | 24,738 |
| Biggest Cities in Illinois | 0 | - | 4.33 | 25,694 |
| Biggest Cities in Louisiana | 0 | - | 4.14 | 19,103 |
| Biggest Cities in Massachusetts | 0 | - | 4.38 | 29,133 |
| Biggest Cities in Missouri | 0 | - | 4.22 | 16,583 |
| Biggest Cities in Tennessee | 0 | - | 4.25 | 20,031 |
| Biggest Cities in Indiana | 0 | - | 4.26 | 25,586 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 62,554 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 99,975 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 44,058 |
| Biggest City by Region | 0 | - | 4.49 | 34,780 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 55,331 |
| U.S. Cities by Hispanic Population | 0 | - | 4.30 | 35,408 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 80,939 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,961 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,334 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 80,382 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,219 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 139,786 |
| Biggest European Cities by Letter | 0 | - | 4.62 | 122,528 |
| Biggest Cities in History | 0 | - | 4.49 | 84,610 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 69,905 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.64 | 64,233 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 45,981 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 39,206 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 41,677 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.26 | 103,671 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 61,875 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 39,599 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 66,442 |
| Biggest Urban Areas in the UK | 0 | - | 4.41 | 171,723 |
| Biggest Cities in Japan | 0 | - | 4.68 | 79,329 |
| Biggest Cities in Russia | 0 | - | 4.48 | 79,493 |
| Biggest Cities in France | 0 | - | 4.70 | 210,388 |
| Biggest Cities in Spain | 0 | - | 4.55 | 161,744 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 53,117 |
| Biggest Cities in Poland | 0 | - | 4.57 | 50,795 |
| Biggest Cities in the UK | 0 | - | 4.47 | 98,816 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 35,287 |
| Biggest Cities in China | 0 | - | 4.47 | 147,809 |
| Cities of Ireland | 0 | - | 4.50 | 48,206 |
| Biggest Cities in Canada | 0 | - | 4.57 | 126,135 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 45,271 |
| Biggest Cities in India | 0 | - | 4.70 | 64,961 |
| Biggest Cities in Italy | 0 | - | 4.70 | 228,881 |
| Biggest Cities in Arizona | 0 | - | 4.29 | 30,092 |
| Biggest Cities in Michigan | 0 | - | 3.97 | 33,246 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 117,735 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 111,352 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 102,831 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 116,098 |
| Biggest Cities Starting With M | 0 | - | 4.49 | 135,311 |
| Biggest Cities Starting With P | 0 | - | 4.48 | 120,332 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.74 | 43,056 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 50,623 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 36,647 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 103,590 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 71,662 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,852 |
| Biggest Nordic Cities | 0 | - | 4.38 | 60,509 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,457 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 159,088 |
| Biggest City by Region #2 | 0 | - | 4.43 | 23,880 |
| Biggest Cities by Latitude | 0 | - | 4.75 | 26,875 |
| Flags to Largest Cities | 0 | - | 4.54 | 35,145 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.50 | 22,148 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,439 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.42 | 103,064 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.41 | 87,567 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 22,799 |
| Biggest World Cities A-Z | 0 | - | 4.56 | 212,317 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.84 | 53,262 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,369,494 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 362,007 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 144,955 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 116,003 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.78 | 66,816 |
| Largest Cities in Alexander's Empire | 0 | - | 4.57 | 39,224 |
| Biggest Cities in the World - 2100 | 0 | - | 4.25 | 87,146 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,131 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 29,730 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 19,740 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,284 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 155,230 |
| Biggest Cities Starting With C | 0 | - | 4.09 | 100,691 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 82,581 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 120,441 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 121,825 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 155,356 |
| Countries with Megacities | 0 | - | 4.99 | 214,049 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 184,216 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 104,882 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 105,398 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 71,610 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 266,181 |
| Largest World Cities With Four Letters | 0 | - | 4.35 | 44,320 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.43 | 13,904 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,158 |
| Biggest U.S. Cities A-Z | 0 | - | 4.68 | 134,829 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 121,550 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 80,839 |
| Countries of Europe by Population | 0 | - | 4.98 | 142,719 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 255,416 |
| Most Populous Countries by Year | 0 | - | 4.81 | 101,051 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 114,711 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 106,982 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 86,981 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 81,195 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 102,434 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 99,497 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 106,350 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 83,820 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 89,023 |
| Countries by Population Range - Tile Select | 0 | - | 4.85 | 54,139 |
| Jewish Cities Quiz | 0 | - | 4.32 | 60,438 |
| Biggest Axis-Controlled Cities | 0 | - | 4.42 | 46,801 |
