| Cities of China (With Some Help) | 0 | - | 4.90 | 31,318 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,705 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,632 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,787 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,497 |
| Biggest Cities in China | 0 | - | 4.53 | 157,295 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,848 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,628 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,407 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,713 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,401 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,662 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,323 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,131 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,883 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,997 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,503 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,115 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,807 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,754 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,765 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,687 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,292 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,786 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,214 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,018 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,299 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,850 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,862 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,751 |
| Biggest Cities in the United States | 0 | - | 4.93 | 968,486 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,214 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,902 |
| Biggest Cities by Language | 0 | - | 4.96 | 241,928 |
| Largest City by Island | 0 | - | 4.87 | 71,172 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,478 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,710 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,532 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,451 |
| Megacities on a World Map | 0 | - | 4.98 | 251,469 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,563 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,065 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,901 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,010 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,834 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,966 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,707 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,636 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,070 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,351 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,712 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,555 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,975 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,191 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,737 |
| Megacities on an Empty Map | 0 | - | 4.96 | 105,524 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,627 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,990 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,757 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,594 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,180 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,609 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,667 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,161 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,085 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,060 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,902 |
| Biggest Cities in France | 0 | - | 4.69 | 222,681 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,088 |
| Biggest Cities in the UK | 0 | - | 4.47 | 104,292 |
| Biggest Cities in India | 0 | - | 4.70 | 67,396 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,788 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,515 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,027 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,936 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,769 |
| Biggest City by Region | 0 | - | 4.50 | 36,026 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,938 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,057 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,247 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,968 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,750 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,280 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,302 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,335 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,087 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,880 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,372 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,748 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,653 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,197 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,917 |
| Cities of Ireland | 0 | - | 4.51 | 50,382 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,899 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,555 |
| Biggest Cities in History | 0 | - | 4.52 | 89,224 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,165 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,233 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,093 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,232 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,074 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,646 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,093 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,733 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,050 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,398 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,125 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,807 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,541 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,296 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,546 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,842 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,968 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,084 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,713 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,525 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,973 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,006 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,005 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,225 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,282 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,391 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,885 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,473 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,989 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,821 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,689 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,484 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,057 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,966 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,962 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,288 |
| Flags to Largest Cities | 0 | - | 4.54 | 50,897 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,460 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,794 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,027 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,111 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,399 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,587 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,980 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,915 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 221,652 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,923 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,099 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,726 |
| Countries with Megacities | 0 | - | 4.99 | 247,806 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,593 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,249 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,975 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,196 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,870 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,411 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,246 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,780 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,754 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,009 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,849 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.25 | 20,273 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,861 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,957 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,837 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,718 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,904 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,570 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,433 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,811 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,584 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,905 |
| Cities in European Economic Areas on a Map | 0 | - | 4.69 | 17,097 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,567 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,838 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,241 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,087 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,349 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,078 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,583 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,865 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,449 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,681 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 22,283 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,970 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,578 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 106,597 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,124 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,177 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,430 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,253 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,165 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,393 |
| Biggest Cities in California | 0 | - | 4.35 | 139,311 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,837 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,437 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,225 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,126 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,602 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,703 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,069 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,476 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,465 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,225 |
