| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,775 |
| Biggest Cities by Language | 0 | - | 4.96 | 238,640 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,400 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,818 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,889 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,316 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,052 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,574 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,673 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,637 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,042 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,724 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,160 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,261 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,824 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,802 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,685 |
| Biggest Cities in the United States | 0 | - | 4.93 | 967,985 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,115 |
| Largest City by Island | 0 | - | 4.87 | 71,133 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,443 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,659 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,360 |
| Megacities on a World Map | 0 | - | 4.98 | 251,291 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,812 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,876 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,960 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,979 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,288 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,446 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,158 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,612 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,611 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,640 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,374 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,577 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,154 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,678 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,718 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,934 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,996 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,923 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,749 |
| Biggest City by Region | 0 | - | 4.50 | 36,018 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,927 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,397 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,539 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,441 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,044 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,243 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,950 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,809 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,916 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,646 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,604 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,269 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,916 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,183 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,564 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,693 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,477 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,926 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,578 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,907 |
| Biggest Cities in History | 0 | - | 4.52 | 89,192 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,150 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,221 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,219 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,594 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,046 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,690 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,994 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,282 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,072 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,878 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,984 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,682 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,478 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,264 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,561 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,974 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,234 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,100 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,311 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,629 |
| Countries with Megacities | 0 | - | 4.99 | 247,579 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,469 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,207 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,882 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,131 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,152 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,063 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,022 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,363 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,959 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,655 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,772 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,858 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,892 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,757 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,686 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,856 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,525 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,365 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,503 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,778 |
| Flags to Largest Cities | 0 | - | 4.55 | 50,863 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,374 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,535 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,515 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,200 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,029 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,281 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,026 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,563 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,818 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,410 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,272 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,329 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,770 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,873 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,331 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,732 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,642 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,895 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,188 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,588 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,355 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,399 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,683 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,114 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,208 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,488 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,075 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,505 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,695 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,353 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,667 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 84,065 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,799 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,527 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,286 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,514 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,340 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,825 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,960 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,861 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,601 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,070 |
| Biggest Cities in France | 0 | - | 4.69 | 222,587 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,031 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,698 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,505 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,256 |
| Biggest Cities in China | 0 | - | 4.53 | 157,207 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,918 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,996 |
| Biggest Cities in India | 0 | - | 4.70 | 67,379 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,688 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,555 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 106,569 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,104 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,152 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,412 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,238 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.27 | 73,150 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,370 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,809 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,618 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,420 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,367 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,711 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,645 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,901 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,323 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,612 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,236 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,249 |
| Flags to Languages | 0 | - | 4.95 | 172,642 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 712,568 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,953 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,949 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,742 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,774 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,007 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,384 |
| Most Populous Islands | 0 | - | 4.79 | 122,050 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,212 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,418 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,157 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,153 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,996 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,069 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,643 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,875 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,530 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,895 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,218 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,002 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,463 |
