| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,535 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,896 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,038 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,822 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,908 |
| Biggest Cities in the World | 0 | - | 4.91 | 792,541 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,890 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,661 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,483 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,941 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,926 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,707 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,159 |
| Biggest Cities in the United States | 0 | - | 4.93 | 969,583 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,389 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,984 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,140 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,768 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,231 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,111 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,838 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,770 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,886 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,264 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,991 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,988 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,283 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,373 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,905 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,931 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,934 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,658 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,603 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,536 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,706 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,092 |
| Biggest Cities by Language | 0 | - | 4.96 | 244,244 |
| Largest City by Island | 0 | - | 4.87 | 71,255 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,519 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,800 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,716 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,736 |
| Megacities on a World Map | 0 | - | 4.98 | 251,752 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,765 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,949 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,164 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,031 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,233 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,919 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,994 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,454 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,934 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,254 |
| Biggest Cities in Europe | 0 | - | 4.70 | 543,061 |
| Megacities on an Empty Map | 0 | - | 4.97 | 114,380 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,806 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,468 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,011 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,480 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,187 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,050 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,338 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,696 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,634 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,215 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,437 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,768 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,677 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,222 |
| Biggest Cities in California | 0 | - | 4.35 | 139,371 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,868 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,455 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,241 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,139 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,615 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,741 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,091 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,831 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,563 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,324 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,181 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,112 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,141 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,987 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,830 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 503,089 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,533 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,094 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,952 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,790 |
| Biggest City by Region | 0 | - | 4.50 | 36,038 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,963 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,081 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,121 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,068 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,259 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,006 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,293 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,964 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,627 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,335 |
| Biggest Cities in History | 0 | - | 4.52 | 89,263 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,180 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,355 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,891 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,243 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,524 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,587 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,866 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,260 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,128 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,950 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,665 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,108 |
| Biggest Cities in France | 0 | - | 4.69 | 222,800 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,196 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,731 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,560 |
| Biggest Cities in the UK | 0 | - | 4.47 | 104,355 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,629 |
| Biggest Cities in China | 0 | - | 4.52 | 157,409 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,032 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,028 |
| Biggest Cities in India | 0 | - | 4.70 | 67,433 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,928 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 27,153 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,041 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,609 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,754 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,467 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,811 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,920 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,435 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,081 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,316 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,793 |
| Biggest Cities in Indiana | 0 | - | 4.27 | 26,879 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,725 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,162 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,810 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,143 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,675 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,188 |
| U.S. State Flags | 0 | - | 4.89 | 168,084 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,158 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,756 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,575 |
| US States and State Capitals | 0 | - | 4.99 | 159,466 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,315 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,756 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,438 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,899 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,486 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,991 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,902 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,700 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,491 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,327 |
| Flags to Largest Cities | 0 | - | 4.54 | 50,942 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,471 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 22,288 |
| Cities of Ireland | 0 | - | 4.51 | 50,417 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,120 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,450 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,638 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 222,006 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,815 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,338 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,088 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,331 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,601 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,879 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,799 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,765 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,023 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,859 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,865 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 23,805 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,052 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,905 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,762 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,990 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,648 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 620,667 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,450 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,883 |
| Countries with Megacities | 0 | - | 4.99 | 248,136 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,768 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,348 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,155 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,287 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,859 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,915 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,568 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,978 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,869 |
| Which City in Canada? | 0 | - | 4.82 | 56,797 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,663 |
| Hawaiian Islands | 0 | - | 4.83 | 42,505 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,101 |
