| Biggest Cities in the World | 0 | - | 4.92 | 803,831 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,732 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,664 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,870 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,226 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,132 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,571 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,096 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,884 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,746 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,483 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,552 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,079 |
| Biggest Cities in the United States | 0 | - | 4.94 | 984,684 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,543 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,756 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,729 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,444 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,425 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,392 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,424 |
| Largest City by Island | 0 | - | 4.87 | 72,291 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,328 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,515 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,008 |
| Megacities on a World Map | 0 | - | 4.98 | 256,267 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,002 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,663 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,486 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,542 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,918 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,835 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 97,009 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,449 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,722 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,442 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,834 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,915 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,343 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,026 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,402 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,496 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,242 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,907 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,362 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,477 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,187 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,430 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,658 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,745 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,794 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,860 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.03 | 67,634 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,617 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,837 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,626 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,428 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,868 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,831 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,081 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,068 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,066 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,293 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,245 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,876 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,761 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,760 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,869 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,617 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,759 |
| Countries with Megacities | 0 | - | 4.99 | 266,117 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,364 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,816 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,781 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,648 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,940 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,394 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,608 |
| Biggest Cities in France | 0 | - | 4.70 | 224,965 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,893 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,670 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,128 |
| Biggest Cities in China | 0 | - | 4.53 | 159,562 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,386 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,883 |
| Biggest Cities in Italy | 0 | - | 4.77 | 242,050 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,300 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,157 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,683 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,483 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,763 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,033 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,581 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,965 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,614 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,624 |
| Biggest Cities in History | 0 | - | 4.52 | 90,470 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,110 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,771 |
| Biggest City by Region | 0 | - | 4.50 | 36,344 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,275 |
| Biggest Cities by Latitude Range | 0 | - | 4.80 | 32,094 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,020 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,559 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,276 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,416 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,482 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,523 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,638 |
| Cities of Ireland | 0 | - | 4.51 | 50,843 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,994 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,051 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,840 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,434 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,903 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,564 |
| Random U.S. States on a Map | 0 | - | 4.96 | 629,240 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,400 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,177 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,025 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,754 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,401 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,693 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,749 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,832 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,417 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,831 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,098 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,469 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,594 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,726 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,056 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,148 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,920 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,125 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,131 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,894 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,794 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,697 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,438 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,832 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,723 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,687 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,777 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,844 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,588 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,736 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,417 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,097 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,439 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,759 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,619 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,110 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,467 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,709 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 194,222 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,541 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,714 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,702 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,938 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,547 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,283 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,059 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,991 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,696 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,691 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,122 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,058 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,966 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,493 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,476 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,315 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,403 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,687 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,200 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,191 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,330 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,401 |
| Biggest Cities in India | 0 | - | 4.64 | 67,982 |
| Biggest Cities in California | 0 | - | 4.35 | 140,252 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,318 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,858 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,976 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,791 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,582 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,611 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,699 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,408 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,207 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,691 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,050 |
| Most Populous Islands | 0 | - | 4.80 | 123,209 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,358 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,610 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,941 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,973 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,415 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,352 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,412 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,424 |
