| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 53,771 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 325,229 |
| Biggest Cities in the World | 0 | - | 4.91 | 746,990 |
| Biggest Cities in Asia | 0 | - | 4.94 | 103,661 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 47,171 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 46,824 |
| Biggest City by Time Zone | 0 | - | 4.86 | 61,227 |
| Biggest City in Every Country | 0 | - | 4.98 | 89,522 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 187,761 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 101,569 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 109,894 |
| Biggest Cities with Exceptions | 0 | - | 4.89 | 72,800 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 212,586 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.85 | 78,631 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 128,766 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 396,607 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 72,506 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 45,307 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 107,337 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.90 | 65,090 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 48,939 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 61,791 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 119,179 |
| Biggest Cities in the United States | 0 | - | 4.94 | 909,062 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 351,385 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 152,355 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 41,521 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 110,993 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 548,573 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 75,131 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 35,084 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.88 | 108,196 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.83 | 57,797 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.82 | 52,892 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 114,660 |
| Biggest Cities by Language | 0 | - | 4.95 | 223,520 |
| Biggest English Cities by Century | 0 | - | 4.89 | 103,222 |
| Largest City by Island | 0 | - | 4.90 | 66,345 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 67,645 |
| Most Populous World Capitals | 0 | - | 4.93 | 169,148 |
| Biggest European Cities by Century | 0 | - | 4.98 | 125,107 |
| Megacities on a World Map | 0 | - | 4.98 | 232,417 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 63,983 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 69,377 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 99,465 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 160,124 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 97,797 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 50,926 |
| Largest Nordic Cities on a Map | 0 | - | 4.83 | 33,934 |
| Biggest Cities in Germany | 0 | - | 4.95 | 279,612 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 161,725 |
| Biggest Cities in Europe | 0 | - | 4.74 | 516,961 |
| Megacities on an Empty Map | 0 | - | 4.95 | 93,071 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.83 | 83,650 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 39,450 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.90 | 88,495 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 44,536 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 105,145 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 81,567 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 66,524 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 70,881 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 30,008 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.82 | 20,442 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.43 | 70,903 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.75 | 71,433 |
| Biggest Mediterranean Cities | 0 | - | 4.56 | 88,886 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 39,502 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 62,919 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 58,539 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.68 | 77,208 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 100,158 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 44,238 |
| Biggest City by Region | 0 | - | 4.49 | 34,968 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 55,619 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,156 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,490 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 80,886 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,400 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.95 | 36,090 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 140,364 |
| Biggest European Cities by Letter | 0 | - | 4.62 | 123,074 |
| Biggest Cities in History | 0 | - | 4.50 | 85,261 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 70,435 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.55 | 64,443 |
| Largest Cities in Alexander's Empire | 0 | - | 4.57 | 39,335 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,135 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 80,122 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 41,948 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,431 |
| Biggest "Saint" Cities - United States | 0 | - | 4.49 | 35,609 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 39,084 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,263 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 61,025 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 66,761 |
| Biggest Cities in the Blue Banana | 0 | - | 4.54 | 34,094 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 35,717 |
| Biggest Cities Starting With A | 0 | - | 4.61 | 118,688 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 112,041 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 104,050 |
| Biggest Cities Starting With L | 0 | - | 4.45 | 117,071 |
| Biggest Cities Starting With M | 0 | - | 4.49 | 136,693 |
| Biggest Cities Starting With P | 0 | - | 4.48 | 121,289 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.78 | 67,138 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 49,440 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 40,354 |
| Biggest Urban Areas in the UK | 0 | - | 4.41 | 172,371 |
| Biggest Cities in Japan | 0 | - | 4.68 | 80,012 |
| Biggest Cities in Russia | 0 | - | 4.48 | 79,911 |
| Biggest Cities in France | 0 | - | 4.70 | 212,732 |
| Biggest Cities in Spain | 0 | - | 4.63 | 163,296 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 53,632 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 50,966 |
| Biggest Cities in Poland | 0 | - | 4.57 | 51,297 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 37,057 |
| Biggest Cities in the UK | 0 | - | 4.47 | 99,810 |
| Biggest Cities in China | 0 | - | 4.47 | 149,491 |
| All Cities in China with Population of 1 Million | 0 | - | 4.78 | 42,630 |
| Cities of Ireland | 0 | - | 4.50 | 48,619 |
| Biggest Cities in Canada | 0 | - | 4.56 | 127,254 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 45,600 |
| Biggest Cities in India | 0 | - | 4.71 | 65,345 |
| Biggest Cities in Italy | 0 | - | 4.70 | 230,597 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.23 | 18,944 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 146,453 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 117,275 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 71,889 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,994 |
| Biggest Nordic Cities | 0 | - | 4.38 | 60,656 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,542 |
| Biggest City by Region #2 | 0 | - | 4.43 | 23,989 |
| Biggest Cities by Latitude | 0 | - | 4.77 | 26,984 |
| U.S. Cities by Hispanic Population | 0 | - | 4.30 | 35,962 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.51 | 22,369 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,558 |
| Biggest Cities in Washington State | 0 | - | 4.46 | 34,565 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 33,824 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,380,584 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 364,594 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 104,167 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 160,124 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 39,528 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.26 | 105,947 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 62,115 |
| Biggest Cities in the World - 2100 | 0 | - | 4.23 | 88,128 |
| Flags to Largest Cities | 0 | - | 4.54 | 35,740 |
| Cities on Interstate 90 on a Map | 0 | - | 4.44 | 30,799 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 29,943 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 19,926 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.42 | 104,430 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.41 | 88,833 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,388 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 213,829 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 156,404 |
| Biggest Cities Starting With C | 0 | - | 4.09 | 101,310 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 83,387 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 121,298 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 122,895 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.80 | 21,389 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 158,582 |
| Countries with Megacities | 0 | - | 4.99 | 217,705 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 186,533 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 106,156 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 126,517 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 73,090 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 269,642 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 44,507 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.43 | 14,033 |
| Biggest U.S. Cities A-Z | 0 | - | 4.68 | 135,632 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 122,611 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 81,813 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 257,241 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 115,851 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 107,624 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 88,087 |
| Countries by Population Range - Tile Select | 0 | - | 4.85 | 54,905 |
| Jewish Cities Quiz | 0 | - | 4.32 | 60,638 |
| Biggest Cities by Trait #2 | 0 | - | 4.40 | 14,831 |
| The Most Populous U.S. City by Category | 0 | - | 4.33 | 21,623 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,311 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.34 | 96,932 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.14 | 102,396 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 81,812 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.18 | 76,584 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.01 | 59,677 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.26 | 70,785 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.32 | 72,021 |
| Biggest Cities in California | 0 | - | 4.34 | 135,907 |
| Biggest Cities in Florida | 0 | - | 4.22 | 70,068 |
| Biggest Cities in New York State | 0 | - | 4.31 | 57,982 |
| Biggest Cities in Pennsylvania | 0 | - | 4.11 | 44,270 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 47,527 |
| Biggest Cities in Texas | 0 | - | 4.27 | 116,057 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 24,424 |
| Countries of Europe by Population | 0 | - | 4.98 | 158,101 |
| Most Populous Countries by Year | 0 | - | 4.81 | 102,602 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 220,038 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 172,809 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 169,973 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 98,596 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 104,757 |
