| Biggest U.S. Cities A-Z | 0 | - | 4.68 | 135,731 |
| Biggest Cities in the World | 0 | - | 4.91 | 748,795 |
| Biggest City by Time Zone | 0 | - | 4.86 | 61,445 |
| Biggest City in Every Country | 0 | - | 4.98 | 89,834 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 188,498 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 101,869 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 110,265 |
| Biggest Cities with Exceptions | 0 | - | 4.89 | 73,012 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 78,849 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 397,792 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 72,764 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 45,411 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 65,253 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 49,013 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 61,974 |
| Biggest Cities in the United States | 0 | - | 4.94 | 911,380 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 351,894 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 549,584 |
| Biggest Cities in Germany | 0 | - | 4.95 | 280,110 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 114,813 |
| Biggest Cities by Language | 0 | - | 4.95 | 223,766 |
| Largest City by Island | 0 | - | 4.89 | 66,677 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 67,757 |
| Most Populous World Capitals | 0 | - | 4.93 | 169,375 |
| Biggest European Cities by Century | 0 | - | 4.98 | 125,258 |
| Megacities on a World Map | 0 | - | 4.98 | 232,767 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 64,080 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 69,579 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 99,760 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.42 | 104,590 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.41 | 88,988 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 160,394 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 325,891 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.84 | 84,337 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 39,521 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.90 | 88,878 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 44,635 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 161,919 |
| Biggest Cities in Asia | 0 | - | 4.94 | 103,834 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 47,251 |
| Megacities on an Empty Map | 0 | - | 4.95 | 93,248 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 46,967 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 30,062 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 146,738 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 117,578 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 66,605 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 70,967 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 212,960 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 128,988 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 107,591 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.34 | 97,084 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.14 | 102,554 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 81,954 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.18 | 77,251 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.01 | 59,742 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.26 | 70,885 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.32 | 72,097 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 152,582 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 41,666 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 111,220 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 75,271 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 35,321 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.88 | 108,444 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.83 | 57,906 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,382,601 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 365,045 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 159,147 |
| Countries with Megacities | 0 | - | 4.99 | 218,428 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 186,983 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 106,360 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 126,857 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 73,380 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 270,282 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 100,200 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 44,280 |
| Biggest City by Region | 0 | - | 4.50 | 35,029 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 55,671 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 53,860 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 97,945 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,188 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,518 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 80,978 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 51,182 |
| Largest Nordic Cities on a Map | 0 | - | 4.83 | 34,063 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,440 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 35,781 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 122,755 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 82,043 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 257,709 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 116,068 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 107,922 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 88,347 |
| Countries by Population Range - Tile Select | 0 | - | 4.85 | 55,056 |
| Biggest Cities in Europe | 0 | - | 4.74 | 518,058 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.37 | 25,400 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 140,469 |
| Biggest Cities in History | 0 | - | 4.50 | 85,619 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 70,487 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 42,000 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 66,830 |
| Biggest Urban Areas in the UK | 0 | - | 4.41 | 172,492 |
| Biggest Cities in Japan | 0 | - | 4.68 | 80,151 |
| Biggest Cities in Russia | 0 | - | 4.48 | 80,009 |
| Biggest Cities in France | 0 | - | 4.70 | 213,155 |
| Biggest Cities in Spain | 0 | - | 4.63 | 163,572 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 53,733 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 51,023 |
| Biggest Cities in Poland | 0 | - | 4.57 | 51,414 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 37,134 |
| Biggest Cities in the UK | 0 | - | 4.47 | 99,986 |
| Biggest Cities in China | 0 | - | 4.47 | 149,795 |
| All Cities in China with Population of 1 Million | 0 | - | 4.78 | 42,728 |
| Cities of Ireland | 0 | - | 4.50 | 48,702 |
| Biggest Cities in Canada | 0 | - | 4.56 | 127,469 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 45,666 |
| Biggest Cities in India | 0 | - | 4.71 | 65,433 |
| Biggest Cities in Italy | 0 | - | 4.70 | 230,984 |
| Biggest Cities Starting With A | 0 | - | 4.61 | 118,875 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 112,200 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 104,241 |
| Biggest Cities Starting With L | 0 | - | 4.45 | 117,274 |
| Biggest Cities Starting With M | 0 | - | 4.49 | 137,053 |
| Biggest Cities Starting With P | 0 | - | 4.48 | 121,475 |
| Countries of Europe by Population | 0 | - | 4.98 | 164,108 |
| Most Populous Countries by Year | 0 | - | 4.81 | 102,838 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 81,750 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 103,571 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 100,928 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 107,486 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 85,026 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 71,935 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 40,025 |
| Biggest English Cities by Century | 0 | - | 4.89 | 103,313 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,557 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,029 |
| Biggest Cities by Latitude | 0 | - | 4.77 | 27,008 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.75 | 71,507 |
| Biggest Mediterranean Cities | 0 | - | 4.56 | 89,175 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 39,584 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,582 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 214,715 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 130,220 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 72,681 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 80,686 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 64,538 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 70,499 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 92,681 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 159,707 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 163,769 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 220,496 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 173,152 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 170,317 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 98,823 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 104,910 |
| Most Populous Country by First Two Letters | 0 | - | 4.73 | 69,461 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 153,736 |
| Demographics Multiple Choice | 0 | - | 4.68 | 41,252 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 69,131 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.91 | 19,786 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 104,511 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 62,995 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 160,324 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 62,158 |
| Biggest Cities in the World - 2100 | 0 | - | 4.23 | 88,322 |
| Flags to Largest Cities | 0 | - | 4.54 | 35,860 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 29,982 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 19,965 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,407 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 214,157 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 156,642 |
| Biggest Cities Starting With C | 0 | - | 4.09 | 101,441 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 83,525 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 121,457 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 123,081 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 168,490 |
| Most Populous Islands | 0 | - | 4.77 | 118,615 |
| Islands by Largest City #1 | 0 | - | 4.47 | 93,615 |
| Islands by Largest City #2 | 0 | - | 4.78 | 34,313 |
| Countries by Population Decrease | 0 | - | 4.46 | 48,503 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.62 | 61,938 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.90 | 54,293 |
| Biggest European Cities by Letter | 0 | - | 4.62 | 123,177 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.55 | 64,485 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 44,536 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 81,682 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,162 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 80,328 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,490 |
| Biggest "Saint" Cities - United States | 0 | - | 4.45 | 35,653 |
| Biggest Cities by Trait #2 | 0 | - | 4.40 | 14,847 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 39,150 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.43 | 14,050 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,346 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 97,136 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 183,684 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 160,544 |
| Jewish Cities Quiz | 0 | - | 4.32 | 60,676 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.43 | 70,964 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 49,510 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 58,593 |
