| Biggest Cities in the World | 0 | - | 4.91 | 798,524 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,893 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,472 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,948 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,284 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,731 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,773 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,484 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,521 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,842 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,365 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,009 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,406 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,600 |
| Biggest Cities in the United States | 0 | - | 4.94 | 978,057 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,075 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,046 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,128 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,500 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,356 |
| Largest City by Island | 0 | - | 4.87 | 71,842 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,951 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,914 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,466 |
| Megacities on a World Map | 0 | - | 4.98 | 254,435 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,987 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,328 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,894 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,400 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,466 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,591 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,316 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,177 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,923 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,043 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,381 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,945 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,223 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,897 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,515 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,290 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,736 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,286 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,108 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,328 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,501 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,568 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,695 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,492 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,451 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,675 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,074 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,059 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,250 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,237 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,026 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,361 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,852 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,759 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,675 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,780 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,189 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,389 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,333 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,232 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,397 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,917 |
| Countries with Megacities | 0 | - | 4.99 | 263,122 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,238 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,206 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,141 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,529 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,242 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,233 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,942 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 46,043 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,191 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,679 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,540 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,883 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,692 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,726 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,864 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,378 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,518 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,063 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,560 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,552 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,080 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,241 |
| Biggest Cities in History | 0 | - | 4.52 | 90,129 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,972 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,344 |
| Biggest City by Region | 0 | - | 4.50 | 36,211 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,132 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,400 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,183 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,347 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,239 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,409 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,454 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,549 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,331 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,620 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,391 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,966 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,367 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,087 |
| Random U.S. States on a Map | 0 | - | 4.96 | 626,305 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,706 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,592 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,836 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,799 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,289 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,804 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,415 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,242 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,918 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,595 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,413 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,864 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,123 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,296 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,743 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,036 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,741 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,060 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,556 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,816 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,548 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,447 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,470 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,288 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,602 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,367 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,637 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,003 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,994 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,953 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,251 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,187 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,726 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,242 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,527 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,226 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,725 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,935 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,096 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,583 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,251 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,418 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,401 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,633 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,468 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,092 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,978 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,816 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 86,090 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,538 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,956 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,933 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,822 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,382 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,977 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,080 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,295 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,064 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,394 |
| Biggest Cities in France | 0 | - | 4.70 | 223,940 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,109 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,986 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,887 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,220 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,892 |
| Biggest Cities in China | 0 | - | 4.53 | 158,553 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,839 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,207 |
| Biggest Cities in India | 0 | - | 4.64 | 67,735 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,038 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,924 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,727 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,298 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,104 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,563 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,238 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 234,370 |
| Most Populous Islands | 0 | - | 4.80 | 122,910 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,299 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,529 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,809 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,851 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,213 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,247 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,584 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,509 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,812 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,588 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,318 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 63,550 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 48,867 |
