| Biggest Cities in Sweden | 0 | - | 4.85 | 40,854 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 93,763 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 96,500 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 340,780 |
| Biggest Cities in Germany | 0 | - | 4.95 | 290,506 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 221,885 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,398 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.86 | 55,530 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,567 |
| Largest Nordic Cities on a Map | 0 | - | 4.82 | 36,647 |
| Biggest Cities in the World | 0 | - | 4.91 | 787,403 |
| Biggest Cities in Asia | 0 | - | 4.95 | 114,629 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,398 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,063 |
| Biggest Cities in Europe | 0 | - | 4.70 | 540,518 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 46,910 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 111,932 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,242 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,100 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 220,891 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,395 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 128,860 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,095 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,206 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,211 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 412,597 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,165 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,738 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 68,897 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,495 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,368 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 127,902 |
| Biggest Cities in the United States | 0 | - | 4.93 | 962,486 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 362,984 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 157,905 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,180 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 116,884 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 571,260 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,453 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,272 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.89 | 114,984 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,289 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,201 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.90 | 125,716 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,407 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,446 |
| Largest City by Island | 0 | - | 4.87 | 70,797 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,101 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,214 |
| Biggest European Cities by Century | 0 | - | 4.98 | 128,577 |
| Megacities on a World Map | 0 | - | 4.98 | 249,426 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,607 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,530 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,028 |
| Cities of Ireland | 0 | - | 4.51 | 50,204 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 166,698 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 123,639 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 72,999 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,544 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,620 |
| Biggest Cities in Russia | 0 | - | 4.49 | 81,894 |
| Biggest Cities in France | 0 | - | 4.69 | 221,371 |
| Biggest Cities in Spain | 0 | - | 4.63 | 169,414 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,500 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,313 |
| Biggest Cities in the UK | 0 | - | 4.48 | 103,887 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,876 |
| Biggest Cities in Italy | 0 | - | 4.75 | 238,907 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,507 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,001 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,462 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,376 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 72,940 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,051 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,252 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,815 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,431 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,817 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 90,938 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,249 |
| Biggest Cities in Japan | 0 | - | 4.67 | 82,339 |
| Biggest Cities in China | 0 | - | 4.53 | 156,409 |
| Biggest Cities in Canada | 0 | - | 4.53 | 131,485 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,734 |
| Biggest Cities in India | 0 | - | 4.70 | 67,198 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,379 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,618 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 38,842 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,148 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,694 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,471 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,399 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,410 |
| Biggest City by Region | 0 | - | 4.50 | 35,925 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 56,817 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 83,831 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,965 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,174 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,819 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,203 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,316 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,060 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,077 |
| Biggest Cities in History | 0 | - | 4.52 | 88,909 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 71,985 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 83,961 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,105 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,616 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,531 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 40,096 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,758 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 63,825 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,090 |
| Biggest Cities in the Blue Banana | 0 | - | 4.55 | 35,870 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 30,919 |
| Biggest Cities Starting With A | 0 | - | 4.61 | 123,210 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 115,699 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,108 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,631 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 141,843 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 125,719 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.79 | 68,436 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,623 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,346 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.41 | 51,131 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,828 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,799 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,677 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,844 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,516 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,618 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,233 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,616 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 321,794 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,776 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,940 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,620 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,444 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 37,879 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,072 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,310 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,891 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,869 |
| Biggest Cities in North Carolina | 0 | - | 4.67 | 34,803 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,430,867 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 376,410 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,129 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 165,352 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.28 | 114,422 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,136 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,688 |
| Flags to Largest Cities | 0 | - | 4.54 | 50,571 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,704 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.24 | 20,065 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,052 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,179 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,814 |
| Biggest World Cities A-Z | 0 | - | 4.61 | 220,899 |
| Biggest Cities Starting With B | 0 | - | 4.33 | 161,406 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,387 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,446 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,514 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,190 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,299 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,524 |
| Countries with Megacities | 0 | - | 4.99 | 245,260 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,401 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,549 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 134,915 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,429 |
| Largest World Cities With Four Letters | 0 | - | 4.35 | 50,313 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,842 |
| Cities in European Economic Areas on a Map | 0 | - | 4.63 | 16,627 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,255 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 126,866 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,472 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,211 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,577 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,289 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,243 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,041 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,583 |
| The Most Populous U.S. City by Category | 0 | - | 4.35 | 22,210 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,253 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 106,283 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 84,901 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 79,967 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,277 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,120 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.27 | 73,007 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,209 |
| Biggest Cities in California | 0 | - | 4.35 | 139,025 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,669 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,280 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,135 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,021 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,515 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,480 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,009 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,139 |
