| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 54,527 |
| Biggest Cities in the World | 0 | - | 4.91 | 764,583 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 331,730 |
| Biggest Cities in Asia | 0 | - | 4.94 | 105,791 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 48,155 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 48,182 |
| Biggest English Cities by Century | 0 | - | 4.90 | 104,384 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 403,871 |
| Biggest Cities in the United States | 0 | - | 4.94 | 932,182 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 356,729 |
| Biggest City by Time Zone | 0 | - | 4.86 | 63,276 |
| Biggest City in Every Country | 0 | - | 4.98 | 92,858 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 193,571 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 104,518 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 113,889 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 75,004 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 215,981 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 80,664 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 131,187 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 74,834 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 46,248 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 109,996 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 66,702 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 49,646 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 63,750 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 123,066 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 558,738 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 116,167 |
| Biggest Cities by Language | 0 | - | 4.95 | 226,453 |
| Largest City by Island | 0 | - | 4.89 | 68,641 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.92 | 68,598 |
| Most Populous World Capitals | 0 | - | 4.93 | 171,259 |
| Biggest European Cities by Century | 0 | - | 4.98 | 126,420 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 154,888 |
| Megacities on a World Map | 0 | - | 4.98 | 235,943 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 43,071 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 113,046 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 65,114 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 71,193 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 76,600 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.94 | 37,583 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.88 | 110,937 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.85 | 59,319 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 102,666 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 163,102 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 82,605 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 163,880 |
| Biggest Cities in Europe | 0 | - | 4.74 | 527,630 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 99,076 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 53,171 |
| Megacities on an Empty Map | 0 | - | 4.96 | 94,599 |
| Largest Nordic Cities on a Map | 0 | - | 4.83 | 35,202 |
| Biggest Cities in Germany | 0 | - | 4.95 | 284,283 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.82 | 22,258 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 67,345 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 71,772 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 89,067 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,097 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 92,315 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 45,582 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 108,068 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 64,812 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 30,554 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.78 | 72,080 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 90,011 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 40,159 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 71,815 |
| Largest Cities in Alexander's Empire | 0 | - | 4.57 | 39,546 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,469 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 173,936 |
| Biggest Cities in the UK | 0 | - | 4.47 | 101,516 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 63,560 |
| Second Biggest Cities by Country | 0 | - | 4.42 | 56,162 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,013 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 44,536 |
| Biggest City by Region | 0 | - | 4.50 | 35,371 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,200 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.74 | 67,698 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,516 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 51,792 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,091 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 77,898 |
| Two Largest Cities by First Two Letters | 0 | - | 4.54 | 81,813 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,388 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,748 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.95 | 38,109 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 141,567 |
| Biggest European Cities by Letter | 0 | - | 4.63 | 124,491 |
| Biggest Cities in History | 0 | - | 4.52 | 87,315 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 71,248 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,446 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 81,870 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 42,466 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,945 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 35,994 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 39,583 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 53,885 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 67,343 |
| Biggest Cities in the Blue Banana | 0 | - | 4.54 | 34,739 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 36,505 |
| Biggest Cities Starting With A | 0 | - | 4.61 | 120,716 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 113,460 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 105,773 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 118,802 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 138,914 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 123,141 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 161,443 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 119,769 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 72,309 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,734 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,262 |
| Biggest Cities by Latitude | 0 | - | 4.77 | 27,192 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 47,384 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 50,240 |
| Biggest Cities by Trait #2 | 0 | - | 4.41 | 14,996 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 41,757 |
| Biggest Cities in Japan | 0 | - | 4.64 | 81,075 |
| Biggest Cities in Russia | 0 | - | 4.48 | 80,808 |
| Biggest Cities in France | 0 | - | 4.72 | 216,554 |
| Biggest Cities in Spain | 0 | - | 4.63 | 165,923 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 54,524 |
| Biggest Cities in Poland | 0 | - | 4.58 | 52,223 |
| Biggest Cities in China | 0 | - | 4.48 | 152,460 |
| Cities of Ireland | 0 | - | 4.50 | 49,271 |
| Biggest Cities in Canada | 0 | - | 4.56 | 129,113 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,176 |
| Biggest Cities in India | 0 | - | 4.70 | 66,162 |
| Biggest Cities in Italy | 0 | - | 4.74 | 234,438 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 51,666 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 37,792 |
| All Cities in China with Population of 1 Million | 0 | - | 4.78 | 43,703 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,400,969 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 368,904 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 164,890 |
| Countries with Megacities | 0 | - | 4.99 | 224,732 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 191,178 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 108,611 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 130,258 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 76,096 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 307,601 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 105,539 |
| Biggest Nordic Cities | 0 | - | 4.38 | 60,996 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 162,538 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 36,839 |
| Flags to Largest Cities | 0 | - | 4.54 | 36,752 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.51 | 22,775 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,763 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 106,902 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 91,285 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,592 |
| Biggest World Cities A-Z | 0 | - | 4.56 | 217,044 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 158,688 |
| Biggest Cities Starting With C | 0 | - | 4.10 | 102,578 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 84,627 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 122,936 |
| Biggest Cities Starting With T | 0 | - | 4.28 | 124,842 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.27 | 109,846 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,268 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 30,383 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 20,303 |
| Biggest Cities in Washington State | 0 | - | 4.46 | 35,096 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 34,224 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 124,491 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 83,451 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 260,601 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 117,898 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 109,128 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 89,979 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 56,294 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 44,850 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 62,568 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.43 | 14,246 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 136,850 |
| Countries of Europe by Population | 0 | - | 4.98 | 170,224 |
| Most Populous Countries by Year | 0 | - | 4.81 | 105,447 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 93,698 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 123,190 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 103,308 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 109,438 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 86,806 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 90,828 |
| Jewish Cities Quiz | 0 | - | 4.33 | 61,030 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,141 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 20,900 |
| The Most Populous U.S. City by Category | 0 | - | 4.34 | 21,889 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,564 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.35 | 99,145 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 104,617 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 83,715 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 78,800 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.38 | 32,475 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 66,421 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.26 | 72,128 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 80,328 |
| Biggest Cities in California | 0 | - | 4.34 | 137,231 |
| Biggest Cities in Florida | 0 | - | 4.22 | 70,731 |
| Biggest Cities in New York State | 0 | - | 4.32 | 58,575 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 44,638 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 47,985 |
| Biggest Cities in Texas | 0 | - | 4.27 | 117,222 |
