| Most Populous World Capitals | 0 | - | 4.94 | 174,749 |
| Biggest Cities in the World | 0 | - | 4.91 | 792,158 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,936 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,064 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,608 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,166 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,945 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,796 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,737 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,478 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,833 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,253 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,337 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,872 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,893 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,838 |
| Biggest Cities in the United States | 0 | - | 4.93 | 968,958 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,294 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,992 |
| Biggest Cities by Language | 0 | - | 4.96 | 243,415 |
| Largest City by Island | 0 | - | 4.87 | 71,206 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,498 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,634 |
| Megacities on a World Map | 0 | - | 4.98 | 251,592 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,289 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,924 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,077 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,138 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,397 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,756 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,222 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,792 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,646 |
| Megacities on an Empty Map | 0 | - | 4.96 | 111,864 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,431 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,606 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,197 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,837 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,834 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,085 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,050 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,943 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,781 |
| Biggest City by Region | 0 | - | 4.50 | 36,031 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,947 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,488 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,595 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,533 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,061 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,249 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,982 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,864 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,999 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,760 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,666 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,286 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,031 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,266 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,886 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,721 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,615 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,997 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,785 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,486 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,583 |
| Biggest Cities in History | 0 | - | 4.52 | 89,242 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,174 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,239 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,240 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,691 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,134 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,776 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,105 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,626 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,157 |
| 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 | 20,303 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,734 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,416 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,998 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,394 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,163 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,326 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,787 |
| Countries with Megacities | 0 | - | 4.99 | 247,948 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,668 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,285 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,053 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,239 |
| 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 | 49,102 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,321 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,199 |
| 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 | 40,864 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,008 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,877 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,743 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,946 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,617 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,404 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,525 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,854 |
| Flags to Largest Cities | 0 | - | 4.54 | 50,910 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,424 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,612 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 221,900 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,257 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,110 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,411 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,111 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,597 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,889 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,468 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,315 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,342 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,830 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,883 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,402 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,757 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,664 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,909 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,208 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,620 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,580 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,508 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,696 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,128 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,243 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,588 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,145 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,570 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,756 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,383 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,689 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,100 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,819 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,548 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,308 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,563 |
| 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 | 175,919 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,640 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,096 |
| Biggest Cities in France | 0 | - | 4.69 | 222,730 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,124 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,717 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,539 |
| Biggest Cities in the UK | 0 | - | 4.47 | 104,316 |
| Biggest Cities in China | 0 | - | 4.53 | 157,330 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,000 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,013 |
| Biggest Cities in India | 0 | - | 4.70 | 67,409 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,842 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,598 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 106,617 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,146 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,188 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,441 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,258 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,174 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,405 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,850 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,703 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,484 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,406 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,763 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,674 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,925 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,374 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,309 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,339 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,979 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,974 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,752 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,806 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,036 |
| Most Populous Islands | 0 | - | 4.79 | 122,078 |
| 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 | 231,314 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,264 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,108 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,137 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,658 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,910 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,586 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,923 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,277 |
| 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 | 38,065 |
| Biggest Axis-Controlled Cities | 0 | - | 4.43 | 48,668 |
