| Biggest Cities in the World | 0 | - | 4.91 | 796,121 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,397 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,793 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,930 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,800 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,577 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,288 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,136 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,208 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,365 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,607 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,715 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,169 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,304 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,720 |
| Biggest Cities in the United States | 0 | - | 4.93 | 974,893 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,374 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,658 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,963 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,887 |
| Largest City by Island | 0 | - | 4.87 | 71,608 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,733 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,584 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,181 |
| Megacities on a World Map | 0 | - | 4.98 | 253,055 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,166 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,622 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,078 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,007 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,514 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,634 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,547 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,851 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,014 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,752 |
| 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 | 223,761 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,433 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,833 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,964 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,006 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,059 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,184 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,510 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,396 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,001 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,365 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,037 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,905 |
| Biggest City by Region | 0 | - | 4.50 | 36,109 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,043 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,140 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,314 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,146 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,352 |
| Biggest Cities in Europe | 0 | - | 4.72 | 545,109 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,928 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,542 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,452 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,842 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,632 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,581 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,813 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,002 |
| Biggest Cities in History | 0 | - | 4.52 | 89,974 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 74,458 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,339 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,370 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,527 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,907 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,121 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,226 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,449 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,073 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,422 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,148 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,473 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,060 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,825 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,445 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 72,992 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,021 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,748 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,528 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,503 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,483 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,360 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,222 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.64 | 61,687 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,502 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,519 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,813 |
| Countries with Megacities | 0 | - | 4.99 | 252,606 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,668 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,873 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,968 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,860 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,610 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,649 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,133 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,294 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,856 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,217 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,832 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,961 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,905 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,446 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,136 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,951 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,316 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,012 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,651 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,482 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,280 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,612 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,227 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,301 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,861 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,520 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,437 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 51,144 |
| 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 | 36,763 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,975 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,326 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,808 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,325 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,983 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,720 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,457 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,362 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,803 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,991 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,101 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,158 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,889 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,278 |
| Biggest Cities in France | 0 | - | 4.70 | 223,488 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,761 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,880 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,766 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,040 |
| Biggest Cities in China | 0 | - | 4.52 | 158,133 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,628 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,147 |
| Biggest Cities in India | 0 | - | 4.63 | 67,629 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,644 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,088 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,954 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,308 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,783 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,201 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,471 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,141 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,637 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,923 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,109 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,795 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,769 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,106 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,143 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,793 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,424 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,994 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,227 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,957 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,176 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,389 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,445 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,612 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,424 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,365 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,582 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,676 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,046 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,036 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,266 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,130 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,402 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,033 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,726 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,830 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,314 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,414 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,941 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,566 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,178 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,993 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,626 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,535 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,225 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,556 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,161 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,549 |
| Most Populous Islands | 0 | - | 4.80 | 122,749 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,267 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,489 |
