| Biggest Cities in the World | 0 | - | 4.91 | 791,956 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,905 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,029 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,542 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,139 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,863 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,774 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,705 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,354 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,803 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,226 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,311 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,859 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,875 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,770 |
| Biggest Cities in the United States | 0 | - | 4.93 | 968,629 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,240 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,152 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,925 |
| Biggest Cities by Language | 0 | - | 4.96 | 242,477 |
| Largest City by Island | 0 | - | 4.87 | 71,187 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,484 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,719 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,565 |
| Megacities on a World Map | 0 | - | 4.98 | 251,508 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,911 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,030 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,093 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,368 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,671 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,197 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,730 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,638 |
| Megacities on an Empty Map | 0 | - | 4.96 | 107,830 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,420 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,599 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,185 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,790 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,805 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,040 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,461 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,571 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,511 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,843 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,970 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,718 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,648 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,034 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,937 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,771 |
| Biggest City by Region | 0 | - | 4.50 | 36,028 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,940 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,059 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,248 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,972 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,284 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,397 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,787 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,717 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,579 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,985 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,733 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 221,754 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,019 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,244 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,569 |
| Biggest Cities in History | 0 | - | 4.52 | 89,229 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,169 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,236 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,234 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,690 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,991 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,344 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,137 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,660 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,110 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,744 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,071 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,477 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,134 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,358 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,888 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,989 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,694 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,484 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,291 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,320 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,683 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,166 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,090 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,078 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,841 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,377 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,256 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,561 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,054 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,140 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,746 |
| Countries with Megacities | 0 | - | 4.99 | 247,855 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,620 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,260 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,008 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,209 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,519 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,674 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,836 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,788 |
| Flags to Largest Cities | 0 | - | 4.54 | 50,905 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,406 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,593 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,861 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,977 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,849 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,726 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,917 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,584 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,242 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,095 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,371 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,092 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,587 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,870 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,458 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,306 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,339 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,817 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,881 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,382 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,750 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,658 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,200 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,611 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,092 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,809 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,541 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,301 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,550 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,842 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,907 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,634 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,086 |
| Biggest Cities in France | 0 | - | 4.69 | 222,694 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,098 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,715 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,530 |
| Biggest Cities in the UK | 0 | - | 4.47 | 104,304 |
| Biggest Cities in China | 0 | - | 4.53 | 157,308 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,979 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,007 |
| Biggest Cities in India | 0 | - | 4.70 | 67,399 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,809 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,023 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,842 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,611 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,508 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,485 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,692 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,126 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,233 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,565 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,125 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,551 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,745 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,971 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,965 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,752 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,347 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,795 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,028 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,404 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,586 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 106,603 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,131 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,182 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,434 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,254 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,168 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,398 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,674 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,465 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,391 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,749 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,658 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,920 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,362 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,757 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,087 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,293 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,321 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,276 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,233 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,073 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,111 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,900 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,571 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,263 |
| 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 | 23,463 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,113 |
