| Cities of Ireland | 0 | - | 4.51 | 50,961 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,097 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,614 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,427 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,126 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,384 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,487 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,612 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,715 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,522 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,387 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,099 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,212 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,972 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,874 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,686 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,641 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,962 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,134 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,392 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,942 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,203 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,111 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,724 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 116,733 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,854 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,319 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,575 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,798 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,275 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,556 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,244 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,195 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,553 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,167 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 85,000 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,623 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,464 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,052 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,799 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,872 |
| Largest City by Island | 0 | - | 4.87 | 72,581 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,505 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,887 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,258 |
| Megacities on a World Map | 0 | - | 4.98 | 257,514 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,851 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,843 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,806 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,364 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,878 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,231 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,820 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,603 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,676 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,837 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,141 |
| Biggest Cities in Europe | 0 | - | 4.70 | 549,830 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,376 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,722 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,099 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.98 | 119,776 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,976 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,374 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,038 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,621 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,066 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,843 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,543 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,662 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 177,090 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,984 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 65,033 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 30,173 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,217 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,679 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,182 |
| Biggest City by Region | 0 | - | 4.50 | 36,419 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,379 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,331 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,461 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,624 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,606 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,816 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,439 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 166,049 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,559 |
| Biggest Cities in History | 0 | - | 4.52 | 90,713 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,216 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,111 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,547 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,648 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,203 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,035 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,561 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,936 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,456 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 65,130 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,739 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,736 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,247 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 125,253 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,250 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 110,069 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,687 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,218 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,863 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,431 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,117 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,786 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,530 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,603 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,949 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,724 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,461 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,409 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,613 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,842 |
| Biggest Cities in France | 0 | - | 4.72 | 225,653 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,383 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,359 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,504 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,357 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,644 |
| Biggest Cities in China | 0 | - | 4.53 | 160,212 |
| Biggest Cities in Canada | 0 | - | 4.55 | 133,677 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,516 |
| Biggest Cities in India | 0 | - | 4.64 | 68,130 |
| Biggest Cities in Italy | 0 | - | 4.78 | 242,756 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,179 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,200 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,728 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,201 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,729 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,153 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,935 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,595 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,971 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,798 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,276 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,526 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,294 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,232 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,031 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,221 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,501 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,842 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,628 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,121 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,927 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,450 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,237 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,707 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,653 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.31 | 41,007 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,399 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,932 |
| Biggest Cities Starting With C | 0 | - | 4.12 | 105,881 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,575 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,467 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,931 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.67 | 23,893 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,536 |
| Countries with Megacities | 0 | - | 4.99 | 267,937 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,190 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,352 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,511 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,459 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,647 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,145 |
| Cities in European Economic Areas on a Map | 0 | - | 4.73 | 18,245 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,753 |
| Biggest U.S. Cities A-Z | 0 | - | 4.67 | 139,691 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,586 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,479 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,546 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,832 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,006 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,378 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,739 |
| Jewish Cities Quiz | 0 | - | 4.33 | 62,028 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,506 |
| Saint Lucia Country Quiz | 0 | - | 4.67 | 18,166 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,668 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,876 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,911 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,955 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,975 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.03 | 67,722 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,744 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.35 | 81,961 |
| Biggest Cities in California | 0 | - | 4.35 | 140,528 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,473 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,970 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,568 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,458 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,882 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 49,023 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,816 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,315 |
