| Biggest Cities in the World | 0 | - | 4.91 | 765,286 |
| Biggest City by Time Zone | 0 | - | 4.86 | 63,363 |
| Biggest City in Every Country | 0 | - | 4.98 | 92,990 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 193,798 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 104,655 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 114,044 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 75,101 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 80,749 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 404,193 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 74,926 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 46,282 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 66,777 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 49,686 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 63,850 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 123,205 |
| Biggest Cities in the United States | 0 | - | 4.94 | 933,211 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 356,940 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 116,215 |
| Biggest Cities by Language | 0 | - | 4.95 | 226,561 |
| Largest City by Island | 0 | - | 4.89 | 68,735 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.92 | 68,638 |
| Most Populous World Capitals | 0 | - | 4.93 | 171,713 |
| Biggest European Cities by Century | 0 | - | 4.98 | 126,466 |
| Megacities on a World Map | 0 | - | 4.98 | 236,074 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 559,180 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 65,168 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 71,261 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 102,796 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 163,208 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 331,969 |
| Biggest Cities in Germany | 0 | - | 4.95 | 284,474 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 163,965 |
| Biggest Cities in Asia | 0 | - | 4.94 | 105,893 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 48,207 |
| Megacities on an Empty Map | 0 | - | 4.96 | 94,662 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 48,249 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 136,891 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 89,223 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,128 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 92,464 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 45,649 |
| Biggest European Cities by Letter | 0 | - | 4.63 | 124,533 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 67,380 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 71,809 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 216,101 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 131,258 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 110,100 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 30,576 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 154,986 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 43,136 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 113,124 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 76,649 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.94 | 37,675 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.88 | 111,102 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.85 | 59,400 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 105,593 |
| Second Biggest Cities by Country | 0 | - | 4.42 | 56,427 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,019 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 44,553 |
| Biggest City by Region | 0 | - | 4.50 | 35,400 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,218 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 54,563 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 99,131 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,526 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 51,808 |
| Two Largest Cities by First Two Letters | 0 | - | 4.54 | 81,849 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 53,281 |
| Largest Nordic Cities on a Map | 0 | - | 4.82 | 35,255 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,758 |
| Biggest Cities in Europe | 0 | - | 4.74 | 528,122 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 36,540 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 141,607 |
| Biggest Cities in History | 0 | - | 4.52 | 87,371 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 71,277 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 42,482 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 67,368 |
| Biggest Cities Starting With A | 0 | - | 4.61 | 120,827 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 113,545 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 105,870 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 118,907 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 139,036 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 123,261 |
| Jewish Cities Quiz | 0 | - | 4.33 | 61,055 |
| Biggest English Cities by Century | 0 | - | 4.90 | 104,423 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.78 | 72,105 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 90,036 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 40,186 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 173,984 |
| Biggest Cities in Japan | 0 | - | 4.64 | 81,109 |
| Biggest Cities in Russia | 0 | - | 4.48 | 80,845 |
| Biggest Cities in France | 0 | - | 4.73 | 216,714 |
| Biggest Cities in Spain | 0 | - | 4.63 | 166,028 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 54,555 |
| Biggest Cities in Poland | 0 | - | 4.58 | 52,267 |
| Biggest Cities in the UK | 0 | - | 4.47 | 101,604 |
| Biggest Cities in China | 0 | - | 4.48 | 152,595 |
| Cities of Ireland | 0 | - | 4.50 | 49,302 |
| Biggest Cities in Canada | 0 | - | 4.56 | 129,188 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,203 |
| Biggest Cities in India | 0 | - | 4.70 | 66,206 |
| Biggest Cities in Italy | 0 | - | 4.75 | 234,591 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 161,547 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 119,857 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 72,324 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 63,598 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,747 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 162,610 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,274 |
| Biggest Cities by Latitude | 0 | - | 4.77 | 27,199 |
| Biggest Axis-Controlled Cities | 0 | - | 4.43 | 47,832 |
| Biggest Cities by Trait #2 | 0 | - | 4.41 | 15,005 |
| Flags to Largest Cities | 0 | - | 4.54 | 36,806 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 51,696 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 37,834 |
| All Cities in China with Population of 1 Million | 0 | - | 4.78 | 43,774 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,775 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 106,962 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 91,351 |
| Biggest World Cities A-Z | 0 | - | 4.56 | 217,167 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,401,844 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 369,092 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 165,057 |
| Countries with Megacities | 0 | - | 4.99 | 224,967 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 191,364 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 108,689 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 130,392 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 76,191 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 308,109 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 82,657 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 30,410 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 20,329 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,597 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 158,802 |
| Biggest Cities Starting With C | 0 | - | 4.10 | 102,660 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 84,704 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 123,307 |
| Biggest Cities Starting With T | 0 | - | 4.28 | 124,945 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 64,836 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 44,868 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 71,842 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,466 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 47,437 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 81,946 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 50,280 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,974 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,013 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 39,601 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 41,806 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.43 | 14,258 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 126,885 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 149,528 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 38,423 |
| Flags of the Countries that Start with A | 0 | - | 4.95 | 124,202 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 124,557 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 83,513 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 260,728 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 118,004 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 109,366 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 90,050 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 56,358 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,111 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 77,931 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,397 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,586 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.35 | 99,193 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 104,677 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 83,761 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 78,844 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.38 | 32,505 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 66,443 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.26 | 72,159 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 80,368 |
| Countries of Europe by Population | 0 | - | 4.98 | 170,489 |
| Most Populous Countries by Year | 0 | - | 4.81 | 105,712 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 93,742 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 123,502 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 103,412 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 109,513 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 86,881 |
| Biggest Nordic Cities | 0 | - | 4.38 | 61,015 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 36,884 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,163 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 20,913 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.51 | 22,793 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.23 | 19,474 |
| Biggest Cities in Washington State | 0 | - | 4.42 | 35,124 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 34,244 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 217,702 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 131,921 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.86 | 73,770 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 81,923 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 65,328 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 71,490 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 94,143 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 161,419 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 165,837 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 225,469 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 177,654 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 187,595 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 100,795 |
