| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 199,981 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 304,905 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 97,849 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.83 | 44,058 |
| Biggest Cities in the World | 0 | - | 4.89 | 689,083 |
| Biggest Cities in Asia | 0 | - | 4.94 | 96,154 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 43,611 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 41,883 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 51,019 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 44,005 |
| Biggest Cities in Germany | 0 | - | 4.95 | 263,679 |
| Biggest Cities in Europe | 0 | - | 4.75 | 466,113 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 372,097 |
| Biggest Cities in the United States | 0 | - | 4.93 | 824,398 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 334,686 |
| Biggest City by Time Zone | 0 | - | 4.84 | 54,615 |
| Biggest City in Every Country | 0 | - | 4.97 | 79,160 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 170,388 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 92,364 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 96,668 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 65,165 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 71,725 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 117,764 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 65,486 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,472 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 59,868 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,457 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 55,451 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 106,700 |
| Biggest Cities in Russia | 0 | - | 4.49 | 76,761 |
| Biggest Cities in Sweden | 0 | - | 4.82 | 37,322 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 76,625 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,171 |
| Biggest Cities by Language | 0 | - | 4.95 | 214,239 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 64,938 |
| Most Populous World Capitals | 0 | - | 4.92 | 148,787 |
| Biggest European Cities by Century | 0 | - | 4.98 | 118,999 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.94 | 134,551 |
| Megacities on a World Map | 0 | - | 4.98 | 221,083 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.91 | 92,503 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 515,184 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,989 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 63,598 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 69,654 |
| 500 Biggest US Cities | 0 | - | 4.87 | 98,546 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.81 | 52,538 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 84,669 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 151,496 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 68,915 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 36,962 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 155,119 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 91,502 |
| Megacities on an Empty Map | 0 | - | 4.95 | 87,711 |
| Biggest Cities in Poland | 0 | - | 4.57 | 48,215 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 29,248 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 63,852 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,966 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 119,118 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 62,985 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,279 |
| Biggest English Cities by Century | 0 | - | 4.90 | 99,699 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 86,646 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 36,179 |
| Biggest Cities in France | 0 | - | 4.76 | 200,069 |
| Biggest Cities in Spain | 0 | - | 4.50 | 153,861 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,323 |
| Biggest Cities in the UK | 0 | - | 4.46 | 93,699 |
| Cities of Ireland | 0 | - | 4.43 | 39,799 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,643 |
| Biggest Cities in Italy | 0 | - | 4.65 | 217,673 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 60,484 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,594 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,704 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,111 |
| Biggest City by Region | 0 | - | 4.49 | 33,710 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,472 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,406 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 76,843 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,068 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 64,795 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,343 |
| Biggest City by Island | 0 | - | 4.57 | 45,808 |
| Biggest Cities in History | 0 | - | 4.50 | 80,405 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,030 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 78,132 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.49 | 60,727 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,196 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 40,409 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 34,031 |
| Biggest World Cities in 1850 | 0 | - | 4.58 | 64,658 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 33,039 |
| Biggest Cities Starting With A | 0 | - | 4.56 | 112,415 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 107,028 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 97,867 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 110,746 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 129,097 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 114,940 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,627 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,638 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,817 |
| Largest Nordic Cities on a Map | 0 | - | 4.76 | 23,406 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 167,962 |
| Biggest Cities in Japan | 0 | - | 4.66 | 75,735 |
| Biggest Cities in China | 0 | - | 4.64 | 139,048 |
| Biggest Cities in Canada | 0 | - | 4.66 | 120,963 |
| Biggest Cities in Portugal | 0 | - | 4.41 | 18,833 |
| Biggest Cities in India | 0 | - | 4.72 | 62,518 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 137,461 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 110,027 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,253 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,012 |
| Biggest Coastal City by Country | 0 | - | 4.59 | 27,042 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,155 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,259 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,282 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 65,082 |
| Northernmost Major City by Country | 0 | - | 4.56 | 30,917 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 99,643 |
| Five Biggest Cities by Country | 0 | - | 4.66 | 152,718 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.67 | 56,392 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.71 | 74,633 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.79 | 42,496 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 30,624 |
| Flags to Largest Cities | 0 | - | 4.54 | 32,107 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 20,769 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,505 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 38,759 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 41,084 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,789 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 194,314 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,313,476 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 350,034 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 126,579 |
| Countries with Megacities | 0 | - | 4.99 | 197,904 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 172,112 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 98,290 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 95,943 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 64,266 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 248,652 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 37,316 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.25 | 91,863 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,660 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 81,410 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,476 |
| Cities on Interstate 90 on a Map | 0 | - | 4.42 | 28,015 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,592 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,830 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 32,032 |
| Biggest Cities Starting With B | 0 | - | 4.35 | 148,301 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 97,132 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 78,915 |
| Biggest Cities Starting With S | 0 | - | 4.39 | 115,018 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 116,465 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,117 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,274 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 245,373 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,234 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 101,947 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 70,243 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,635 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,201 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,152 |
| Biggest Cities in Mexico | 0 | - | 4.54 | 29,356 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,306 |
| U.S. Cities by Hispanic Population | 0 | - | 4.26 | 24,566 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 14,726 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,350 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.39 | 87,385 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 73,533 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.31 | 81,869 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.09 | 87,560 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.18 | 69,542 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.23 | 65,048 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.23 | 60,523 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 67,869 |
| Biggest U.S. Cities A-Z | 0 | - | 4.71 | 130,830 |
| Biggest Cities in Washington State | 0 | - | 4.45 | 29,462 |
| Biggest Cities in California | 0 | - | 4.35 | 130,585 |
| Biggest Cities in Florida | 0 | - | 4.20 | 67,458 |
| Biggest Cities in New York State | 0 | - | 4.29 | 55,917 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 42,732 |
| Biggest Cities in Ohio | 0 | - | 4.37 | 45,762 |
| Biggest Cities in Texas | 0 | - | 4.26 | 111,511 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,415 |
| Countries of Europe by Population | 0 | - | 4.98 | 127,480 |
| Most Populous Countries by Year | 0 | - | 4.81 | 93,981 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,830 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 96,847 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 75,567 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 93,702 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 70,527 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 86,035 |
| Biggest Cities Near a Border | 0 | - | 4.20 | 28,568 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 19,408 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.21 | 17,111 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 205,588 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 109,755 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.86 | 68,719 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,246 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,750 |
