| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,563 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,909 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,055 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,856 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,965 |
| Biggest Cities in the World | 0 | - | 4.91 | 792,712 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,917 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,664 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,489 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,976 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,959 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,777 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,183 |
| Biggest Cities in the United States | 0 | - | 4.93 | 969,835 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,438 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,996 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,159 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,820 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,252 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,195 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,862 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,791 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,908 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,269 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,996 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,992 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,306 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,387 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,927 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,949 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,034 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,683 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,631 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,655 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,718 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,135 |
| Biggest Cities by Language | 0 | - | 4.96 | 244,451 |
| Largest City by Island | 0 | - | 4.87 | 71,270 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,530 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,819 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,765 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,738 |
| Megacities on a World Map | 0 | - | 4.98 | 251,835 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,817 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,960 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,187 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,052 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,275 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,970 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 36,003 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,480 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,937 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,267 |
| Biggest Cities in Europe | 0 | - | 4.70 | 543,129 |
| Megacities on an Empty Map | 0 | - | 4.97 | 114,974 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,844 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,493 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,014 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,523 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,223 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,052 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,349 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,707 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,641 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,222 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,458 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,775 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,683 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,224 |
| Biggest Cities in California | 0 | - | 4.35 | 139,391 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,877 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,459 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,244 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,144 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,620 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,835 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,097 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,837 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,569 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,332 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,190 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,116 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,172 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,992 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,835 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 503,235 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,539 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,106 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,954 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,796 |
| Biggest City by Region | 0 | - | 4.50 | 36,042 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,969 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,088 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,135 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,070 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,261 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,014 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,296 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,980 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,644 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,349 |
| Biggest Cities in History | 0 | - | 4.52 | 89,278 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,182 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,361 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,895 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,246 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,562 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,597 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,876 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,269 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,136 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,962 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,671 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,123 |
| Biggest Cities in France | 0 | - | 4.69 | 222,836 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,220 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,740 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,567 |
| Biggest Cities in the UK | 0 | - | 4.47 | 104,371 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,636 |
| Biggest Cities in China | 0 | - | 4.53 | 157,454 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,046 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,030 |
| Biggest Cities in India | 0 | - | 4.70 | 67,444 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,959 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 27,158 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,044 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,611 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,760 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,472 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,812 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,928 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,446 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,085 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,320 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,799 |
| Biggest Cities in Indiana | 0 | - | 4.27 | 26,880 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,740 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,172 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,829 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,159 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,696 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,201 |
| U.S. State Flags | 0 | - | 4.89 | 168,157 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,170 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,759 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,576 |
| US States and State Capitals | 0 | - | 4.99 | 159,562 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,337 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,892 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,441 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,905 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,489 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,992 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,917 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,701 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,494 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,339 |
| Flags to Largest Cities | 0 | - | 4.54 | 50,956 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,478 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 22,289 |
| Cities of Ireland | 0 | - | 4.51 | 50,430 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,121 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,463 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,649 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 222,043 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,438,063 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,415 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,111 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,367 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,615 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,880 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,803 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,766 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,038 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,862 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,865 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 23,809 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,083 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,916 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,768 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,007 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,666 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 620,870 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,458 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,929 |
| Countries with Megacities | 0 | - | 4.99 | 248,239 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,830 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,370 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,209 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,306 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,877 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,919 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,568 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,979 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,878 |
| Which City in Canada? | 0 | - | 4.82 | 56,805 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,679 |
| Hawaiian Islands | 0 | - | 4.83 | 42,511 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,172 |
