| Biggest Cities in Asia | 0 | - | 4.95 | 118,275 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,460 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,811 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,825 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,654 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,065 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,442 |
| Biggest Cities in the World | 0 | - | 4.91 | 806,379 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,094 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,562 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,466 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,558 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,489 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,222 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.98 | 119,233 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,026 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,093 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,890 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,653 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,575 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,327 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,878 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,941 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,330 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,949 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,041 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,681 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,624 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,788 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,266 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,488 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,571 |
| Biggest Cities in the United States | 0 | - | 4.94 | 988,231 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,273 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,706 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,769 |
| Largest City by Island | 0 | - | 4.87 | 72,510 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,465 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,776 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,205 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,150 |
| Megacities on a World Map | 0 | - | 4.98 | 257,252 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,121 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,462 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,807 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,770 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,821 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,529 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,335 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,991 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,637 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,771 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,564 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,676 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,522 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,064 |
| Biggest Cities in Europe | 0 | - | 4.73 | 549,505 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,304 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,558 |
| Biggest Cities in China | 0 | - | 4.53 | 160,080 |
| Biggest Cities in India | 0 | - | 4.64 | 68,094 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,352 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,340 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,001 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,228 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,057 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,190 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,808 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,516 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,455 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 177,042 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,796 |
| Biggest Cities in France | 0 | - | 4.72 | 225,487 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,288 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,311 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,317 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,916 |
| Biggest Cities in Canada | 0 | - | 4.55 | 133,586 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,490 |
| Biggest Cities in Italy | 0 | - | 4.78 | 242,583 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 65,009 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,160 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,673 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,172 |
| Biggest City by Region | 0 | - | 4.50 | 36,406 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,355 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,319 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,455 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,584 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,930 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,587 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,471 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,605 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,507 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,598 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,937 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,094 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,386 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,185 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,021 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,549 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,430 |
| Cities of Ireland | 0 | - | 4.51 | 50,938 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,269 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,957 |
| Biggest Cities in History | 0 | - | 4.52 | 90,655 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,130 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,626 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 65,073 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,722 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,709 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,429 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,205 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 125,197 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,204 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 110,017 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,635 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,159 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,810 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,409 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,091 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,760 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,662 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,424 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,390 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,746 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.26 | 20,796 |
| Biggest U.S. Cities A-Z | 0 | - | 4.67 | 139,650 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,081 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,118 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,109 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,175 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,192 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,711 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,146 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,413 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,928 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,569 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,498 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,574 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,941 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,879 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,775 |
| Saint Lucia Country Quiz | 0 | - | 4.68 | 18,158 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,654 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,591 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,487 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,275 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,273 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,187 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,763 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,363 |
| Countries with Megacities | 0 | - | 4.99 | 267,534 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,020 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,252 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,348 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,353 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,057 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,654 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,608 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,112 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,929 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,798 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.31 | 40,996 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,872 |
| Biggest Cities Starting With C | 0 | - | 4.12 | 105,844 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,531 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,415 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,885 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,868 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,595 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,131 |
| Cities in European Economic Areas on a Map | 0 | - | 4.73 | 18,193 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,520 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,413 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,389 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,747 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,954 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,306 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,682 |
| Jewish Cities Quiz | 0 | - | 4.33 | 62,012 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,498 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,613 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,835 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,873 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,917 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,951 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.03 | 67,702 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,713 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.35 | 81,934 |
| Biggest Cities in California | 0 | - | 4.35 | 140,468 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,441 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,935 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,554 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,439 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,866 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,999 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,767 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,300 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,390 |
