| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,222 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,472 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,653 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,739 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,808 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,659 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,696 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,956 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,873 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,065 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,498 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,534 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,590 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,060 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,173 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,756 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,693 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,537 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,490 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,862 |
| Largest City by Island | 0 | - | 4.87 | 71,051 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,395 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,556 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,635 |
| Megacities on a World Map | 0 | - | 4.98 | 250,986 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,311 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,802 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,875 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,779 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,158 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,074 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,049 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,353 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,570 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,517 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,301 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,539 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,120 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,487 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,600 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,804 |
| US States and State Capitals | 0 | - | 4.99 | 158,566 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,290 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,457 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,302 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,741 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,799 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,511 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,541 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,214 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,652 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 124,262 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,932 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,917 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,831 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 38,971 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,300 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,198 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,917 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,905 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,708 |
| Biggest City by Region | 0 | - | 4.50 | 35,997 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,904 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,019 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,222 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,922 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,260 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,319 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,946 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,036 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,068 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,780 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,940 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,886 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,607 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,287 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,048 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,396 |
| Biggest Cities in History | 0 | - | 4.52 | 89,133 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,122 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,187 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,116 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,032 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,929 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 68,199 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,733 |
| Biggest Cities in California | 0 | - | 4.35 | 139,214 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,791 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,417 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,205 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,079 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,584 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,619 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,049 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,514 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 115,972 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,604 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,915 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,188 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 125,997 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,002 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,318 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,863 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,478 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,978 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,674 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,667 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,464 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 84,007 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,221 |
| Flags to Largest Cities | 0 | - | 4.55 | 50,790 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,300 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,406 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,383 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,146 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,660 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,634 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,004 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,234 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.61 | 65,311 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,856 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,257 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,707 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,750 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,618 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,171 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,559 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,554 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,843 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,787 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,601 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,632 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,780 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,448 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,656 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,926 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,393 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,123 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,249 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,846 |
| Countries with Megacities | 0 | - | 4.99 | 246,950 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,942 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,891 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,140 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,496 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,985 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,556 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,610 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,879 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,275 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,651 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,673 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,759 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,483 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,253 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,882 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,717 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,450 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,784 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,928 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,799 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,526 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,026 |
| Biggest Cities in France | 0 | - | 4.69 | 222,112 |
| Biggest Cities in Spain | 0 | - | 4.63 | 169,845 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,655 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,453 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,155 |
| Biggest Cities in China | 0 | - | 4.53 | 157,033 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,345 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,838 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,961 |
| Biggest Cities in India | 0 | - | 4.70 | 67,338 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,474 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,484 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 106,495 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,057 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,105 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,380 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,202 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.27 | 73,121 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,324 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,782 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 27,118 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,011 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,580 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,720 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,425 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,759 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,890 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,403 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,057 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,291 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,764 |
| Biggest Cities in Indiana | 0 | - | 4.27 | 26,837 |
| Which City in Canada? | 0 | - | 4.82 | 56,663 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,424 |
| U.S. State Flags | 0 | - | 4.89 | 167,127 |
| Hawaiian Islands | 0 | - | 4.83 | 42,430 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,090 |
