| Biggest Cities in Asia | 0 | - | 4.95 | 116,579 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,866 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,461 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,920 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,454 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,081 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,487 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,309 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,598 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,767 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,893 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,558 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,126 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,272 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,791 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,418 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,828 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,998 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,823 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,652 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,316 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,802 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,160 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,316 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,389 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,627 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,868 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,729 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,186 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,323 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,771 |
| Biggest Cities in the United States | 0 | - | 4.93 | 975,112 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,439 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,984 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,926 |
| Largest City by Island | 0 | - | 4.87 | 71,630 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,752 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,611 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,197 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,989 |
| Megacities on a World Map | 0 | - | 4.98 | 253,194 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,021 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,811 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,178 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,642 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,202 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,533 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,427 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,012 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,130 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,031 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,938 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,582 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,474 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,656 |
| Biggest Cities in Europe | 0 | - | 4.72 | 545,176 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,040 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,898 |
| Biggest Cities in China | 0 | - | 4.52 | 158,165 |
| Biggest Cities in India | 0 | - | 4.63 | 67,636 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,794 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,329 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,777 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,374 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,819 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,146 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,373 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,227 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.68 | 62,828 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,172 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,290 |
| Biggest Cities in France | 0 | - | 4.70 | 223,523 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,792 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,886 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,776 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,050 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,644 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,153 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,687 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,657 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,376 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,040 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,908 |
| Biggest City by Region | 0 | - | 4.50 | 36,114 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,046 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,144 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,317 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,152 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,354 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,006 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,234 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.25 | 20,437 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,528 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,440 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,330 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,948 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,789 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,900 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,769 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,330 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,100 |
| Cities of Ireland | 0 | - | 4.51 | 50,554 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,162 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,015 |
| Biggest Cities in History | 0 | - | 4.52 | 89,984 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 75,141 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,346 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,426 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,376 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,288 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,120 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,940 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,086 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,430 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,167 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,489 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,073 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,839 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,002 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,724 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,463 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,813 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,997 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,106 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,607 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,095 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,611 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,836 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,624 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,626 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 72,996 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,538 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,027 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,314 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,752 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,530 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,228 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,109 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,146 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,510 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,221 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,559 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,033 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,852 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,977 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,123 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,027 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,662 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,728 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,588 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,886 |
| Countries with Megacities | 0 | - | 4.99 | 256,697 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,753 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,916 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,050 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,917 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,925 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 116,297 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,362 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,861 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,812 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,907 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,461 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,142 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,961 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,326 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,022 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,576 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 51,154 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,749 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,982 |
| Cities in European Economic Areas on a Map | 0 | - | 4.69 | 17,455 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,679 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,500 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,326 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,638 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,243 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,326 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,887 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,769 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,347 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,972 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,191 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,406 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,461 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,623 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,437 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,379 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,594 |
| Biggest Cities in California | 0 | - | 4.35 | 139,691 |
| Biggest Cities in Florida | 0 | - | 4.24 | 72,009 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,588 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,350 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,215 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,714 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,203 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,154 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,034 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,335 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,486 |
