| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,761 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,055 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,311 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,150 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,760 |
| Biggest Cities in the World | 0 | - | 4.91 | 794,378 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,201 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,761 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,606 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,309 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,186 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,516 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,455 |
| Biggest Cities in the United States | 0 | - | 4.93 | 972,482 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,947 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,203 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,476 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 223,417 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,516 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,899 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,086 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,981 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,166 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,476 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,532 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,062 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 67,126 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,349 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,427 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,838 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,830 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,664 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,869 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,590 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,534 |
| Largest City by Island | 0 | - | 4.87 | 71,439 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,623 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,007 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,008 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,818 |
| Megacities on a World Map | 0 | - | 4.98 | 252,442 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,188 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,049 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,417 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,243 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,712 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,427 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,059 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,796 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,989 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,456 |
| Biggest Cities in Europe | 0 | - | 4.70 | 543,833 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,553 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,178 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,754 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,059 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 97,886 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,353 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,415 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,047 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,712 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,298 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,626 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,849 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,726 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,286 |
| Biggest Cities in California | 0 | - | 4.35 | 139,561 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,946 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,534 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,295 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,179 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,669 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,109 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,121 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,915 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,660 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,394 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,271 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,173 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,349 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,053 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,055 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,065 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,594 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,238 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,001 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,856 |
| Biggest City by Region | 0 | - | 4.50 | 36,077 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,011 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,161 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,232 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,112 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,290 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,090 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,325 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,140 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,846 |
| Biggest Cities in History | 0 | - | 4.52 | 89,796 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,227 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,403 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,916 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,295 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,923 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,325 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,698 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,937 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,321 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,067 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,795 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,203 |
| Biggest Cities in France | 0 | - | 4.70 | 223,155 |
| Biggest Cities in Spain | 0 | - | 4.64 | 170,505 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,809 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,667 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,859 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,738 |
| Biggest Cities in China | 0 | - | 4.52 | 157,810 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,470 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,089 |
| Biggest Cities in India | 0 | - | 4.70 | 67,536 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,333 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,997 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 27,206 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,083 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,640 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,802 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,531 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,857 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,949 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,502 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,126 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,359 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,833 |
| Biggest Cities in Indiana | 0 | - | 4.27 | 26,942 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,880 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,273 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,970 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,283 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,837 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,338 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,775 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,927 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,131 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,210 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,527 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,948 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,514 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,010 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,096 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,727 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,515 |
| Biggest Axis-Controlled Cities | 0 | - | 4.43 | 48,753 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,418 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,091 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,518 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,319 |
| Cities of Ireland | 0 | - | 4.51 | 50,492 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,145 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,618 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,792 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 222,347 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,676,272 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,384 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,961 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,325 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,592 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,677 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,903 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,828 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,792 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,069 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,898 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,882 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 23,840 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,229 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,004 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,848 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,127 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,812 |
| Vietnam War Countries | 0 | - | 4.83 | 93,924 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,518 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,405 |
| Countries with Megacities | 0 | - | 4.99 | 249,188 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,260 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,612 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,573 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,577 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 51,009 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,953 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,590 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,597 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,004 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.89 | 99,028 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.86 | 113,801 |
| Countries that Start with A - Shape Quiz | 0 | - | 4.92 | 34,125 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.94 | 82,563 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,702 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 153,397 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 42,277 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 126,972 |
