| All 1M Cities by Proximity | 0 | - | 5.00 | 577,098 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,217 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,814 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,500 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,955 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,202 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,923 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,907 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,412 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,228 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,540 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,497 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,684 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,789 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 60,910 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,389 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,879 |
| Biggest Cities in the United States | 0 | - | 4.94 | 975,812 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,573 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,053 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,033 |
| Largest City by Island | 0 | - | 4.87 | 71,690 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,794 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,682 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,261 |
| Megacities on a World Map | 0 | - | 4.98 | 253,455 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,723 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,248 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,098 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,829 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,910 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,660 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,900 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,122 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,816 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,358 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,798 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,405 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,929 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,537 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,998 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,406 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,047 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,923 |
| Biggest City by Region | 0 | - | 4.50 | 36,125 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,056 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,049 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,070 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,151 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,153 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,329 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,169 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,235 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,592 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,507 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,050 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,367 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,683 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,913 |
| Biggest Cities in Europe | 0 | - | 4.73 | 545,480 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,970 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,670 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,524 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,020 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,039 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,272 |
| Biggest Cities in History | 0 | - | 4.52 | 90,016 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 76,260 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,398 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,126 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,462 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,213 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,533 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,121 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,893 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,002 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,034 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,756 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,535 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,537 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,661 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,949 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,143 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,362 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,477 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,501 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,036 |
| Countries with Megacities | 0 | - | 4.99 | 260,270 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,909 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,001 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,183 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,010 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,394 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,241 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.69 | 64,635 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,361 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,764 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,171 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,872 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,912 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,510 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,164 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,980 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,375 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,066 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,656 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,679 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,362 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,255 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,898 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,010 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,742 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,739 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,560 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,441 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,690 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,278 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,377 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,934 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,557 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,448 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 51,185 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,957 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,831 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,913 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,777 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,986 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,341 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,832 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,210 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,403 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,802 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,221 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,508 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,238 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,724 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,982 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,176 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,828 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,782 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,357 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,023 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,752 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,480 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,873 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,439 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,023 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,118 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,203 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,929 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,314 |
| Biggest Cities in France | 0 | - | 4.70 | 223,623 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,888 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,905 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,798 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,083 |
| Biggest Cities in China | 0 | - | 4.52 | 158,252 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,694 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,168 |
| Biggest Cities in India | 0 | - | 4.63 | 67,667 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,778 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,015 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,218 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,434 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,488 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,639 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,446 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,401 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,617 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,125 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,768 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,115 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,090 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,497 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,161 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,444 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,090 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,793 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,921 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,123 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,168 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,799 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,026 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,258 |
| Most Populous Islands | 0 | - | 4.80 | 122,798 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,279 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,508 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,475 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,537 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,050 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,656 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,770 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,355 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,054 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,142 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,709 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,321 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,552 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,250 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 48,837 |
