| Biggest Cities in the World | 0 | - | 4.91 | 792,090 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,920 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,051 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,582 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,155 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,903 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,788 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,722 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,428 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,817 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,236 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,329 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,871 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,885 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,797 |
| Biggest Cities in the United States | 0 | - | 4.93 | 968,834 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,279 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,226 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,968 |
| Biggest Cities by Language | 0 | - | 4.96 | 243,078 |
| Largest City by Island | 0 | - | 4.87 | 71,198 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,493 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,738 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,607 |
| Megacities on a World Map | 0 | - | 4.98 | 251,554 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,917 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,057 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,118 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,385 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,722 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,214 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,762 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,642 |
| Megacities on an Empty Map | 0 | - | 4.96 | 110,430 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,427 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,604 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,194 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,819 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,829 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,064 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,480 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,589 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,526 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,854 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,988 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,739 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,654 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,047 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,939 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,779 |
| Biggest City by Region | 0 | - | 4.50 | 36,028 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,943 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,060 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,248 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,975 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,285 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,401 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,846 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,719 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,598 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,991 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,759 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 221,852 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,026 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,257 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,577 |
| Biggest Cities in History | 0 | - | 4.52 | 89,235 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,171 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,238 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,238 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,713 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,994 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,372 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,144 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,675 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,122 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,764 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,089 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,565 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,148 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,423 |
| 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 | 20,298 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,323 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,686 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,169 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,091 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,093 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,848 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,392 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,267 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,565 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,231 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,178 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,767 |
| Countries with Megacities | 0 | - | 4.99 | 247,908 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,652 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,273 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,031 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,226 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,523 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,675 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,846 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,792 |
| Flags to Largest Cities | 0 | - | 4.54 | 50,909 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,419 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,607 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,862 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,993 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,863 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,736 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,934 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,600 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,251 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,103 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,394 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,101 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,594 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,882 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,466 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,314 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,342 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,825 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,883 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,395 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,754 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,660 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,206 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,617 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,097 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,819 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,544 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,305 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,559 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,847 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,915 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,636 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,089 |
| Biggest Cities in France | 0 | - | 4.69 | 222,723 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,116 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,717 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,535 |
| Biggest Cities in the UK | 0 | - | 4.47 | 104,312 |
| Biggest Cities in China | 0 | - | 4.53 | 157,318 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,989 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,011 |
| Biggest Cities in India | 0 | - | 4.70 | 67,402 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,830 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,040 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,855 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,617 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,555 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,501 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,693 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,127 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,240 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,581 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,138 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,565 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,755 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,976 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,972 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,752 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,350 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,803 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,033 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,407 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,593 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 106,612 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,138 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,184 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,439 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,256 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,172 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,402 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,694 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,475 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,400 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,756 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,668 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,923 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,372 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,782 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,106 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,302 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,333 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,300 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,253 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,096 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,124 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,905 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,582 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,270 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,476 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,063 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,464 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,114 |
