| Most Populous World Capitals | 0 | - | 4.94 | 174,746 |
| Biggest Cities in the World | 0 | - | 4.91 | 792,121 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,926 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,058 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,599 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,161 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,921 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,791 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,729 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,456 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,822 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,248 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,333 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,871 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,892 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,822 |
| Biggest Cities in the United States | 0 | - | 4.93 | 968,888 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,286 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,983 |
| Biggest Cities by Language | 0 | - | 4.96 | 243,234 |
| Largest City by Island | 0 | - | 4.87 | 71,205 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,497 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,626 |
| Megacities on a World Map | 0 | - | 4.98 | 251,570 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,253 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,919 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,069 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,129 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,389 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,735 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,220 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,777 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,645 |
| Megacities on an Empty Map | 0 | - | 4.96 | 111,210 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,431 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,604 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,194 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,827 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,831 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,074 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,049 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,940 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,781 |
| Biggest City by Region | 0 | - | 4.50 | 36,028 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,945 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,486 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,594 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,532 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,061 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,248 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,981 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,858 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,995 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,749 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,660 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,285 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,029 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,261 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,859 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,720 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,610 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,992 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,768 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,456 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,582 |
| Biggest Cities in History | 0 | - | 4.52 | 89,239 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,172 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,238 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,240 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,686 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,133 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,774 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,102 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,608 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,155 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,890 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,989 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,695 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,486 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,301 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,726 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,997 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,379 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,158 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,324 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,781 |
| Countries with Megacities | 0 | - | 4.99 | 247,923 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,660 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,282 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,044 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,233 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,171 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,097 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,097 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,270 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,192 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,677 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,795 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,862 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,004 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,873 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,740 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,943 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,609 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,402 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,523 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,851 |
| Flags to Largest Cities | 0 | - | 4.54 | 50,909 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,422 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,608 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 221,873 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,256 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,105 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,402 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,107 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,596 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,886 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,467 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,314 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,342 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,829 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,883 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,399 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,756 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,663 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,909 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,206 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,618 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,569 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,505 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,695 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,127 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,243 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,584 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,142 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,568 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,755 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,382 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,688 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,099 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,819 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,546 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,307 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,561 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,352 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,849 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,973 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,916 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,640 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,093 |
| Biggest Cities in France | 0 | - | 4.69 | 222,726 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,122 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,717 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,538 |
| Biggest Cities in the UK | 0 | - | 4.47 | 104,315 |
| Biggest Cities in China | 0 | - | 4.53 | 157,322 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,996 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,011 |
| Biggest Cities in India | 0 | - | 4.70 | 67,408 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,838 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,596 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 106,614 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,144 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,185 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,440 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,257 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,173 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,404 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,848 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,701 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,480 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,402 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,760 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,670 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,923 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,374 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,308 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,337 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,978 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,973 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,752 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,804 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,035 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,413 |
| Most Populous Islands | 0 | - | 4.79 | 122,076 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,221 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,429 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,308 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,261 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,105 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,131 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,657 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,910 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,585 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,922 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,273 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,037 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,477 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,064 |
| Biggest Axis-Controlled Cities | 0 | - | 4.43 | 48,666 |
