| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,927 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,131 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,860 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,081 |
| Biggest Cities in the World | 0 | - | 4.91 | 793,080 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,979 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,681 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,507 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,583 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,916 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,590 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,022 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 97,592 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,239 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,048 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,228 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,949 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,293 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,351 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,906 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,051 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,842 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,010 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,961 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,969 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,351 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,242 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,422 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,950 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,990 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,120 |
| Biggest Cities in the United States | 0 | - | 4.93 | 970,472 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,548 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,602 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,715 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,676 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,884 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,945 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,130 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,910 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,761 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,070 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,367 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,267 |
| Biggest Cities by Language | 0 | - | 4.96 | 244,821 |
| Largest City by Island | 0 | - | 4.87 | 71,320 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,546 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,860 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,821 |
| Megacities on a World Map | 0 | - | 4.98 | 251,994 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,978 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,259 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,374 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,559 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,755 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,109 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,320 |
| Biggest Cities in Europe | 0 | - | 4.70 | 543,286 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,551 |
| Megacities on an Empty Map | 0 | - | 4.97 | 116,403 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,014 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 68,656 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,238 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,727 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,668 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,211 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,133 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,220 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,983 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,703 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,147 |
| Biggest Cities in France | 0 | - | 4.69 | 222,909 |
| Biggest Cities in Spain | 0 | - | 4.64 | 170,302 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,760 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,581 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,409 |
| Biggest Cities in China | 0 | - | 4.52 | 157,547 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,091 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,036 |
| Biggest Cities in India | 0 | - | 4.70 | 67,465 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,041 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,005 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,010 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,137 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,965 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,811 |
| Biggest City by Region | 0 | - | 4.50 | 36,045 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,977 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,161 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,085 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,271 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,037 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,307 |
| Cities of Ireland | 0 | - | 4.51 | 50,448 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,984 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,125 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 36,026 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,958 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,690 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,360 |
| Biggest Cities in History | 0 | - | 4.52 | 89,305 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,194 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,371 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,897 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,500 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,256 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,277 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,790 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,693 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,241 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,281 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,044 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,871 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,768 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,191 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,859 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,183 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,716 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,228 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,860 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,589 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,344 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,762 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,618 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 36,885 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,002 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,903 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,157 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,420 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,162 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,914 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,494 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,996 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,708 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,498 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,108 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,364 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,489 |
| Biggest Cities in California | 0 | - | 4.35 | 139,441 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,908 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,488 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,262 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,158 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,630 |
| Biggest Cities in Texas | 0 | - | 4.28 | 119,039 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,109 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,438,594 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,529 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,462 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,974 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,888 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,653 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,811 |
| Flags to Largest Cities | 0 | - | 4.54 | 50,995 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,773 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.25 | 20,314 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,502 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,682 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,867 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 222,106 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,112 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,939 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,785 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,029 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,698 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,474 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,026 |
| Countries with Megacities | 0 | - | 4.99 | 248,459 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,915 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,420 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,302 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,361 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,901 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,630 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,931 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,349 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,208 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,684 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,211 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,815 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,011 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,557 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,707 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 22,292 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,683 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 106,679 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,191 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,238 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,467 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,294 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,216 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,443 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 27,173 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,061 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,623 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,775 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,490 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,837 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,939 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,466 |
