| Biggest Cities in the United States | 0 | - | 4.94 | 936,047 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 357,493 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 560,257 |
| Biggest Cities in the World | 0 | - | 4.91 | 767,286 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 332,695 |
| Biggest City by Time Zone | 0 | - | 4.86 | 63,593 |
| Biggest City in Every Country | 0 | - | 4.98 | 93,382 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 194,408 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 105,001 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 114,736 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 75,347 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 80,953 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 404,946 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 75,186 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 46,373 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 66,939 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 49,749 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 64,071 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 123,612 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 216,507 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 131,496 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 110,345 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 116,393 |
| Biggest Cities by Language | 0 | - | 4.95 | 226,865 |
| Largest City by Island | 0 | - | 4.89 | 68,920 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.93 | 68,752 |
| Most Populous World Capitals | 0 | - | 4.94 | 171,953 |
| Biggest European Cities by Century | 0 | - | 4.98 | 126,613 |
| Megacities on a World Map | 0 | - | 4.98 | 236,448 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 43,318 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 65,302 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 71,439 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.85 | 59,583 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 103,316 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 163,516 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 164,177 |
| Biggest Cities in Asia | 0 | - | 4.94 | 106,112 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 48,303 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 99,285 |
| Megacities on an Empty Map | 0 | - | 4.96 | 94,830 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 48,412 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 67,478 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 71,914 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 155,270 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 113,362 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 76,795 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.94 | 37,881 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.88 | 111,519 |
| Second Biggest Cities by Country | 0 | - | 4.42 | 56,940 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,058 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 44,589 |
| Biggest City by Region | 0 | - | 4.50 | 35,441 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,278 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,564 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,843 |
| Two Largest Cities by First Two Letters | 0 | - | 4.55 | 81,939 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,803 |
| Biggest Cities in Europe | 0 | - | 4.74 | 529,300 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 54,641 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 53,610 |
| Largest Nordic Cities on a Map | 0 | - | 4.83 | 35,402 |
| Biggest Cities in Germany | 0 | - | 4.95 | 285,007 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 107,162 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 91,501 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 161,825 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 120,131 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 71,079 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 141,726 |
| Biggest Cities in History | 0 | - | 4.52 | 87,516 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 71,342 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 42,565 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 67,441 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 89,760 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,197 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 92,830 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 45,793 |
| Biggest Cities Starting With A | 0 | - | 4.61 | 121,276 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 113,800 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 106,162 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 119,476 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 139,625 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 123,552 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 72,379 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,762 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,309 |
| Biggest Cities by Latitude | 0 | - | 4.78 | 27,225 |
| Biggest Cities by Trait #2 | 0 | - | 4.41 | 15,027 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 30,640 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.78 | 72,180 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 90,096 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 40,279 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.35 | 99,370 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 104,827 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 83,869 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 78,957 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 32,576 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 66,526 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.26 | 72,246 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 80,456 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,404,243 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 369,555 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 165,590 |
| Countries with Megacities | 0 | - | 4.99 | 225,681 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 191,865 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 108,949 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 130,811 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 76,499 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 309,307 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 105,713 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 63,673 |
| Biggest English Cities by Century | 0 | - | 4.90 | 104,509 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 162,807 |
| Flags to Largest Cities | 0 | - | 4.54 | 36,926 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,620 |
| Biggest World Cities A-Z | 0 | - | 4.56 | 217,516 |
| Biggest Cities Starting With B | 0 | - | 4.33 | 159,161 |
| Biggest Cities Starting With C | 0 | - | 4.10 | 102,905 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 84,908 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 123,553 |
| Biggest Cities Starting With T | 0 | - | 4.28 | 125,177 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 124,777 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 83,713 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 261,137 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 118,290 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 109,516 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 90,280 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 56,516 |
| Biggest European Cities by Letter | 0 | - | 4.63 | 124,660 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 64,876 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 44,913 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,505 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 82,127 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.27 | 110,430 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,034 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,065 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 39,658 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,341 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 36,615 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 82,778 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 71,918 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 47,538 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 50,384 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 41,953 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 174,134 |
| Biggest Cities in Japan | 0 | - | 4.65 | 81,265 |
| Biggest Cities in Russia | 0 | - | 4.48 | 80,957 |
| Biggest Cities in France | 0 | - | 4.73 | 217,428 |
| Biggest Cities in Spain | 0 | - | 4.63 | 166,363 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 54,662 |
| Biggest Cities in Poland | 0 | - | 4.58 | 52,401 |
| Biggest Cities in the UK | 0 | - | 4.47 | 101,806 |
| Biggest Cities in China | 0 | - | 4.52 | 153,004 |
| Cities of Ireland | 0 | - | 4.50 | 49,389 |
| Biggest Cities in Canada | 0 | - | 4.56 | 129,603 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,265 |
| Biggest Cities in India | 0 | - | 4.70 | 66,305 |
| Biggest Cities in Italy | 0 | - | 4.75 | 234,990 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 137,010 |
| Countries of Europe by Population | 0 | - | 4.98 | 171,094 |
| Most Populous Countries by Year | 0 | - | 4.82 | 106,018 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,035 |
| Demographics Multiple Choice | 0 | - | 4.70 | 41,666 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 93,868 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 124,076 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 103,677 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 109,743 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 87,071 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 90,969 |
| Jewish Cities Quiz | 0 | - | 4.33 | 61,101 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 59,174 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,013 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,220 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.76 | 43,428 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 20,959 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 51,779 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 37,963 |
| All Cities in China with Population of 1 Million | 0 | - | 4.78 | 43,887 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 218,002 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 132,145 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.86 | 73,905 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 82,072 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 65,430 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 71,604 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 94,335 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 161,743 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 166,256 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 226,115 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 178,058 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 188,088 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 101,007 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 106,209 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 156,014 |
| Biggest Nordic Cities | 0 | - | 4.38 | 61,046 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 37,012 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,524 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.51 | 22,845 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,805 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 170,399 |
| Name the Constellations - With a Map | 0 | - | 4.91 | 34,485 |
| Most Populous Islands | 0 | - | 4.78 | 120,112 |
