| Biggest Cities in the World | 0 | - | 4.91 | 796,163 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,405 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,799 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,950 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,809 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,597 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,299 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,141 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,243 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,366 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,612 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,718 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,171 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,309 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,723 |
| Biggest Cities in the United States | 0 | - | 4.93 | 974,942 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,384 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,969 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,900 |
| Largest City by Island | 0 | - | 4.87 | 71,618 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,740 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,596 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,185 |
| Megacities on a World Map | 0 | - | 4.98 | 253,094 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,691 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,170 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,628 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,089 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,010 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,532 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,640 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,558 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,856 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,022 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,756 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,077 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,424 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,158 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,480 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,065 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,827 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,770 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,370 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,774 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,443 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,848 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,366 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,039 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,905 |
| Biggest City by Region | 0 | - | 4.50 | 36,111 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,044 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,971 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,012 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,066 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,142 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,315 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,146 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,186 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,517 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,409 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,002 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,354 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,449 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,139 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,955 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,321 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,014 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,589 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,819 |
| Biggest Cities in Europe | 0 | - | 4.72 | 545,132 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,931 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,549 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,465 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,856 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,501 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,004 |
| Biggest Cities in History | 0 | - | 4.52 | 89,978 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 74,687 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,341 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,371 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 72,994 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,023 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,749 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,528 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,505 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,535 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,909 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,121 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,234 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,452 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,483 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,840 |
| Countries with Megacities | 0 | - | 4.99 | 253,996 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,699 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,889 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,996 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,878 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,365 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,225 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.64 | 62,032 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,567 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,541 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,136 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,858 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,907 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,612 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,652 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,297 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,218 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,836 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,966 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,644 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,656 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,486 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,293 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,620 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,234 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,305 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,866 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,523 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,438 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 51,147 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,948 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,778 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,895 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,769 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,977 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,328 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,815 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,974 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,316 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,784 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,201 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,475 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,145 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,639 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,929 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,112 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,800 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,769 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,326 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,991 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,721 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,458 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,806 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,424 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,996 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,103 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,163 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,889 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,281 |
| Biggest Cities in France | 0 | - | 4.70 | 223,496 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,769 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,882 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,769 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,047 |
| Biggest Cities in China | 0 | - | 4.52 | 158,143 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,634 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,148 |
| Biggest Cities in India | 0 | - | 4.63 | 67,630 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,655 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,962 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,180 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,396 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,447 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,614 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,430 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,371 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,586 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,089 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,685 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,053 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,038 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,282 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,131 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,409 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,036 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,728 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,844 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,107 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,144 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,794 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,998 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,231 |
| Most Populous Islands | 0 | - | 4.80 | 122,751 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,267 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,490 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,328 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,427 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,949 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,575 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,752 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,224 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,994 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,104 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,628 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,281 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,535 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,225 |
| Biggest Axis-Controlled Cities | 0 | - | 4.43 | 48,808 |
