| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,047 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,352 |
| Biggest Cities in the World | 0 | - | 4.91 | 798,237 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,886 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,016 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,926 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,857 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,410 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,865 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,255 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,639 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,745 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,223 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,452 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,704 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,431 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,798 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,023 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,238 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,988 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,325 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,577 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,210 |
| Biggest Cities in the United States | 0 | - | 4.94 | 977,800 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,022 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,218 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,209 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,339 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,860 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,350 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,738 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,747 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,171 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,461 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,313 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,234 |
| Largest City by Island | 0 | - | 4.87 | 71,821 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,907 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,884 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,414 |
| Megacities on a World Map | 0 | - | 4.98 | 254,354 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,313 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,877 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,550 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,780 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,285 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,971 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,659 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,336 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,111 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,144 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,345 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,893 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 46,024 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,186 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,628 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,528 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,143 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,430 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,888 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,504 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,540 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,571 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,083 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,460 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,287 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 65,885 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,728 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,178 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,230 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,813 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,529 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,076 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,963 |
| Biggest City by Region | 0 | - | 4.50 | 36,202 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,126 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,176 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,345 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,233 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,403 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,513 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,539 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,624 |
| Biggest Cities in History | 0 | - | 4.52 | 90,109 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,222 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,462 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,948 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,976 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,956 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,394 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,949 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,812 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,375 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,827 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,161 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,554 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,445 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,369 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,884 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,306 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,602 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,372 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,935 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,341 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,064 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,806 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,807 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,532 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,963 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,069 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,159 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,283 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,049 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,381 |
| Biggest Cities in France | 0 | - | 4.70 | 223,903 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,068 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,973 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,102 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,872 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,313 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,198 |
| Biggest Cities in China | 0 | - | 4.53 | 158,491 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,820 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,200 |
| Biggest Cities in India | 0 | - | 4.63 | 67,727 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,007 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.25 | 20,478 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,891 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,093 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,933 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,032 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,587 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,054 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,808 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,547 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,306 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,594 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,591 |
| Cities of Ireland | 0 | - | 4.51 | 50,649 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,183 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,190 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,065 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,045 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,171 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,733 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,537 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 116,880 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,397 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,929 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,352 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,172 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,976 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,012 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,111 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,920 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,966 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,705 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,288 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,095 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,537 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,209 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,641 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,352 |
| Countries with Megacities | 0 | - | 4.99 | 262,914 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,189 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,169 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,491 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,213 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 63,369 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,004 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,635 |
| Cities in European Economic Areas on a Map | 0 | - | 4.69 | 17,590 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,625 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,206 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,867 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,675 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,681 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,839 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,363 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,500 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,044 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,808 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,376 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,062 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,092 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,308 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,490 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,557 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,687 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,487 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,439 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,663 |
| Biggest Cities in California | 0 | - | 4.35 | 139,831 |
| Biggest Cities in Florida | 0 | - | 4.24 | 72,083 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,648 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,389 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,240 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,761 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,310 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,179 |
