| Biggest Spanish-Speaking Cities | 0 | - | 4.90 | 125,509 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,312 |
| Biggest Cities in the World | 0 | - | 4.91 | 786,707 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,149 |
| Biggest City in Every Country | 0 | - | 4.98 | 97,964 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 220,613 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,309 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 128,530 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 77,999 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 83,131 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 412,314 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,065 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,651 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 68,823 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,402 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,280 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 127,760 |
| Biggest Cities in the United States | 0 | - | 4.93 | 961,307 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 362,770 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 570,851 |
| Largest City by Island | 0 | - | 4.87 | 70,727 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,047 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,134 |
| Biggest European Cities by Century | 0 | - | 4.98 | 128,522 |
| Megacities on a World Map | 0 | - | 4.98 | 249,092 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,557 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,462 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 111,840 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 166,621 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 340,499 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,437 |
| Biggest Cities in Asia | 0 | - | 4.95 | 114,406 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,361 |
| Megacities on an Empty Map | 0 | - | 4.96 | 101,879 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,011 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 150,952 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,349 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 72,907 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 221,736 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,097 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,320 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 157,813 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,082 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 116,784 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,389 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,147 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.89 | 114,860 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,239 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,626 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,456 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,177 |
| Biggest City by Region | 0 | - | 4.50 | 35,910 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 56,803 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,950 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,167 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,773 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,185 |
| Biggest Cities in Europe | 0 | - | 4.70 | 540,141 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.86 | 55,497 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 123,463 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,495 |
| Largest Nordic Cities on a Map | 0 | - | 4.82 | 36,602 |
| Biggest Cities in Germany | 0 | - | 4.95 | 290,291 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,145 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,523 |
| Biggest Cities in History | 0 | - | 4.52 | 88,859 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 71,968 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,088 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,061 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 93,626 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,828 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 96,359 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 46,872 |
| Biggest Cities Starting With A | 0 | - | 4.61 | 123,085 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 115,379 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,008 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,545 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 141,756 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 125,636 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 321,299 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,766 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,936 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,615 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,434 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 19,998 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,185 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.77 | 72,969 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 90,916 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,410 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,429,827 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 376,184 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,367 |
| Countries with Megacities | 0 | - | 4.99 | 244,869 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,257 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,448 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 134,770 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 79,331 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,088 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,352 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,412 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 165,294 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,672 |
| Flags to Largest Cities | 0 | - | 4.54 | 50,515 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 108,988 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,125 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,808 |
| Biggest World Cities A-Z | 0 | - | 4.61 | 220,790 |
| Biggest Cities Starting With B | 0 | - | 4.33 | 161,272 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,314 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,396 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,417 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,108 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 126,788 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,414 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,073 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,507 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,238 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,179 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 57,989 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 125,999 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,239 |
| Largest World Cities With Four Letters | 0 | - | 4.35 | 50,217 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,799 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 83,895 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,599 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,515 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,827 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 40,081 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,404 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 83,791 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,590 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,308 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.41 | 51,100 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,202 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,551 |
| Biggest Cities in Japan | 0 | - | 4.67 | 82,293 |
| Biggest Cities in Russia | 0 | - | 4.49 | 81,857 |
| Biggest Cities in France | 0 | - | 4.69 | 221,203 |
| Biggest Cities in Spain | 0 | - | 4.63 | 169,303 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,471 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,292 |
| Biggest Cities in the UK | 0 | - | 4.48 | 103,817 |
| Biggest Cities in China | 0 | - | 4.52 | 156,296 |
| Biggest Cities in Canada | 0 | - | 4.53 | 131,423 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,857 |
| Biggest Cities in India | 0 | - | 4.70 | 67,147 |
| Biggest Cities in Italy | 0 | - | 4.75 | 238,761 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,550 |
| Countries of Europe by Population | 0 | - | 4.98 | 176,909 |
| Most Populous Countries by Year | 0 | - | 4.83 | 108,729 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,551 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,017 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 94,960 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 128,867 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,449 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,031 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,249 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,569 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,804 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,768 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,666 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,280 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,594 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 38,816 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,080 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,192 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 106,226 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 84,867 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 79,931 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,251 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,102 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.27 | 72,977 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,191 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 220,948 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 133,906 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.86 | 75,030 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,334 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,353 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 72,588 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 95,885 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 215,378 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 163,767 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 168,659 |
| Flags to Languages | 0 | - | 4.95 | 171,972 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 707,868 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,229 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,396 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,310 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,688 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,604 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 157,952 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 72,830 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,388 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 37,836 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,282 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,052 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,238 |
| Most Populous Islands | 0 | - | 4.78 | 121,707 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,149 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,329 |
