| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,022 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,232 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 38,964 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,261 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,319 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,317 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,562 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,291 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 94,296 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,940 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,013 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,060 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,463 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,579 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,593 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,788 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,596 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,768 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,641 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,667 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,904 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,849 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,024 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,484 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,514 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,576 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,051 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,157 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,739 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,678 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,524 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,727 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,276 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,269 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,445 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,285 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,214 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,729 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,777 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,493 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,530 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,450 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,849 |
| Largest City by Island | 0 | - | 4.87 | 71,040 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,392 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,543 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,409 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,650 |
| Megacities on a World Map | 0 | - | 4.98 | 250,935 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,795 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,864 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,825 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,732 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,146 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,033 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,143 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,504 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,476 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,930 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,912 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,555 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,593 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,534 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,115 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,551 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,937 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,884 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,218 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,108 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,029 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,914 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,793 |
| Biggest Cities in Japan | 0 | - | 4.67 | 82,521 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,019 |
| Biggest Cities in France | 0 | - | 4.69 | 222,020 |
| Biggest Cities in Spain | 0 | - | 4.63 | 169,828 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,651 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,445 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,143 |
| Biggest Cities in China | 0 | - | 4.53 | 157,009 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,820 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,949 |
| Biggest Cities in India | 0 | - | 4.70 | 67,332 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,434 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,335 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,911 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,905 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,702 |
| Biggest City by Region | 0 | - | 4.50 | 35,994 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,899 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 84,001 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,017 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,221 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,920 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,254 |
| Cities of Ireland | 0 | - | 4.51 | 50,326 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,937 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,094 |
| Biggest Cities in California | 0 | - | 4.35 | 139,206 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,786 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,414 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,204 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,076 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,584 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,605 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,049 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,387 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,225 |
| Biggest Cities in History | 0 | - | 4.52 | 89,126 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,118 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.61 | 65,311 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,756 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,855 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,476 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,237 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,248 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,183 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,699 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,615 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 40,165 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,426 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,779 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 68,197 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 30,972 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,807 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,776 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,499 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 115,959 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,595 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,902 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,171 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 125,989 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,717 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,840 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,308 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,861 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,450 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,978 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,654 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,665 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,463 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 37,993 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,217 |
| Flags to Largest Cities | 0 | - | 4.55 | 50,778 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,419 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,291 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,400 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 27,116 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,010 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,579 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,718 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,422 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,759 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,889 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,401 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,056 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,287 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,763 |
| Biggest Cities in Indiana | 0 | - | 4.27 | 26,835 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,360 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,963 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,599 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,606 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,974 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,536 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,851 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,025 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,748 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,724 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,840 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,760 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,587 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,626 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,767 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,437 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,823 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,164 |
| Countries with Megacities | 0 | - | 4.99 | 246,830 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,084 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,948 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,499 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,837 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,651 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,880 |
| Which City in Canada? | 0 | - | 4.83 | 56,653 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,410 |
| South America Flags Map Quiz | 0 | - | 4.95 | 86,614 |
| U.S. State Flags | 0 | - | 4.89 | 167,067 |
| Hawaiian Islands | 0 | - | 4.83 | 42,427 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,088 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,111 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,833 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,060 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,908 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,218 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,875 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,476 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,593 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,138 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,328 |
