| Biggest Cities in Asia | 0 | - | 4.95 | 118,360 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,481 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,829 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,920 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,708 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,088 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,530 |
| Biggest Cities in the World | 0 | - | 4.91 | 806,958 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,351 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,602 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,640 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,679 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,512 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,356 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.98 | 119,682 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,092 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,178 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,954 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,819 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,660 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,580 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,947 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,084 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,382 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,145 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,094 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,714 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 116,713 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,839 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,305 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,562 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,760 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,075 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,504 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,784 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,850 |
| Largest City by Island | 0 | - | 4.87 | 72,570 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,495 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,864 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,244 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,226 |
| Megacities on a World Map | 0 | - | 4.98 | 257,446 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,176 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,903 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,843 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,836 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,968 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,609 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,439 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,038 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,774 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,856 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,608 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,798 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,583 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,124 |
| Biggest Cities in Europe | 0 | - | 4.70 | 549,758 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,360 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,600 |
| Biggest Cities in China | 0 | - | 4.53 | 160,189 |
| Biggest Cities in India | 0 | - | 4.64 | 68,121 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,423 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,368 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,029 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,244 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,091 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,222 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,841 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,537 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,617 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 177,077 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,833 |
| Biggest Cities in France | 0 | - | 4.72 | 225,618 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,362 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,349 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,347 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,965 |
| Biggest Cities in Canada | 0 | - | 4.55 | 133,662 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,509 |
| Biggest Cities in Italy | 0 | - | 4.78 | 242,721 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 65,030 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,199 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,678 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,179 |
| Biggest City by Region | 0 | - | 4.50 | 36,416 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,374 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,329 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,460 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,610 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,949 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,602 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,497 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,637 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,544 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,615 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,964 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,105 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,512 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,197 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,034 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,560 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,451 |
| Cities of Ireland | 0 | - | 4.51 | 50,956 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,272 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 166,025 |
| Biggest Cities in History | 0 | - | 4.52 | 90,698 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,203 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,644 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 65,114 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,734 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,727 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,447 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,235 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 125,241 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,239 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 110,060 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,673 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,205 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,849 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,428 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,112 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,782 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,710 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,451 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,407 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,751 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.26 | 20,814 |
| Biggest U.S. Cities A-Z | 0 | - | 4.67 | 139,680 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,168 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,190 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,609 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,212 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,198 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,724 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,152 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,476 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,934 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,593 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,522 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,595 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,963 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,916 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,794 |
| Saint Lucia Country Quiz | 0 | - | 4.67 | 18,165 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,692 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,637 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,518 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,290 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,368 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,025 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,976 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,500 |
| Countries with Megacities | 0 | - | 4.99 | 267,846 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,151 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,337 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,473 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,437 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,064 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,809 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,624 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,121 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,933 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,811 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.31 | 41,003 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,918 |
| Biggest Cities Starting With C | 0 | - | 4.12 | 105,873 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,567 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,455 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,920 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.67 | 23,886 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,633 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,143 |
| Cities in European Economic Areas on a Map | 0 | - | 4.73 | 18,232 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,573 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,466 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,519 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,817 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,995 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,359 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,721 |
| Jewish Cities Quiz | 0 | - | 4.33 | 62,022 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,505 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,650 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,866 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,903 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,946 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,970 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.03 | 67,716 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,734 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.35 | 81,950 |
| Biggest Cities in California | 0 | - | 4.35 | 140,521 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,462 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,962 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,562 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,453 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,875 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 49,018 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,805 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,311 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,617 |
