| Biggest Cities in the World | 0 | - | 4.91 | 804,635 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,834 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,796 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,127 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,327 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,551 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,667 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,168 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,221 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,865 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,552 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,615 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 65,134 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,300 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,132 |
| Biggest Cities in the United States | 0 | - | 4.94 | 985,775 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,765 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,417 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,474 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,533 |
| Largest City by Island | 0 | - | 4.87 | 72,375 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,370 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,594 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,065 |
| Megacities on a World Map | 0 | - | 4.98 | 256,588 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,719 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,568 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,007 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,547 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,255 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,898 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,013 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,386 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,097 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,455 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,278 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,945 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,545 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,585 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,301 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,964 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,918 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,172 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,326 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,368 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,008 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,833 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,034 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,629 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,130 |
| Biggest City by Region | 0 | - | 4.50 | 36,368 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,308 |
| Biggest Cities by Latitude Range | 0 | - | 4.80 | 32,569 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,293 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,429 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,507 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,551 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,722 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,472 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,258 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,343 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,965 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,751 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,857 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,881 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,700 |
| Biggest Cities in History | 0 | - | 4.52 | 90,526 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,882 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,584 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,664 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,187 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,498 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,416 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,860 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,961 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 125,067 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,112 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,892 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,507 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,997 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,646 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,709 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,164 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,132 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,900 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,865 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,736 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,457 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,996 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,807 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,144 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,909 |
| Countries with Megacities | 0 | - | 4.99 | 266,629 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,614 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,981 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,916 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,084 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,098 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,955 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,896 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,228 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,075 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,763 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,511 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,474 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,979 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,989 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,714 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,747 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,459 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,277 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,771 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,075 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,362 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,250 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,860 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,564 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,837 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,121 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,518 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,986 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,561 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,456 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,072 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,992 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,150 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,983 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,101 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,514 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,153 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,840 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,316 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,027 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,718 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,528 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,345 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,352 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,661 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,450 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,725 |
| Biggest Cities in France | 0 | - | 4.70 | 225,141 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,010 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,241 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,243 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,738 |
| Biggest Cities in China | 0 | - | 4.53 | 159,710 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,418 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,425 |
| Biggest Cities in India | 0 | - | 4.64 | 68,022 |
| Biggest Cities in Italy | 0 | - | 4.77 | 242,201 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,548 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,642 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,294 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,994 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,369 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,868 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,224 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,571 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,679 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,811 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,150 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,975 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,440 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,495 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,910 |
| Cities in Squares on a Map - North America | 0 | - | 4.31 | 21,569 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,389 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,542 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,489 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,715 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,792 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,841 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,892 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.03 | 67,656 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,655 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,872 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,683 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,816 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,473 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,134 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,477 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,818 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,681 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,549 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,800 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,179 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,874 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,538 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,769 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,790 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,911 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,489 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,684 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,516 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,726 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,252 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,182 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 78,652 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,415 |
| Most Populous Islands | 0 | - | 4.80 | 123,256 |
