| Biggest Cities in Germany | 0 | - | 4.95 | 263,357 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.83 | 43,995 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 50,969 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 43,899 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 199,410 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 304,416 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 97,625 |
| Biggest Cities in Sweden | 0 | - | 4.82 | 37,266 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 76,385 |
| Biggest Cities in the World | 0 | - | 4.89 | 687,840 |
| Biggest Cities in Asia | 0 | - | 4.94 | 95,995 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 43,498 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 41,780 |
| Biggest Cities in Europe | 0 | - | 4.75 | 465,438 |
| Biggest City by Time Zone | 0 | - | 4.84 | 54,483 |
| Biggest City in Every Country | 0 | - | 4.97 | 78,963 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 170,038 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 92,198 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 96,431 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 65,018 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 71,571 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 109,402 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 371,617 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 65,341 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,414 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 59,786 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,407 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 55,321 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 106,528 |
| Biggest Cities in the United States | 0 | - | 4.93 | 822,484 |
| Biggest Cities in France | 0 | - | 4.76 | 199,827 |
| Biggest Cities in Spain | 0 | - | 4.50 | 153,694 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,240 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 334,293 |
| Biggest Cities in the UK | 0 | - | 4.46 | 93,567 |
| Cities of Ireland | 0 | - | 4.43 | 39,762 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,609 |
| Biggest Cities in Italy | 0 | - | 4.65 | 217,382 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,238 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,087 |
| Biggest Cities by Language | 0 | - | 4.95 | 214,087 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 64,888 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 62,954 |
| Most Populous World Capitals | 0 | - | 4.92 | 148,642 |
| Biggest European Cities by Century | 0 | - | 4.98 | 118,899 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.94 | 133,718 |
| Megacities on a World Map | 0 | - | 4.98 | 220,889 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.91 | 92,027 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 514,501 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,915 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 63,509 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 69,568 |
| 500 Biggest US Cities | 0 | - | 4.87 | 98,305 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.81 | 52,452 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 84,498 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 151,350 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 91,140 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 68,846 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 36,902 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 154,993 |
| Megacities on an Empty Map | 0 | - | 4.95 | 87,626 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 36,110 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 167,858 |
| Biggest Cities in Russia | 0 | - | 4.49 | 76,713 |
| Biggest Cities in Poland | 0 | - | 4.57 | 48,126 |
| Biggest Cities in Portugal | 0 | - | 4.41 | 18,817 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 29,142 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 64,645 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 119,032 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,679 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 63,800 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,904 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 32,982 |
| Biggest English Cities by Century | 0 | - | 4.90 | 99,633 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 86,610 |
| Largest Nordic Cities on a Map | 0 | - | 4.76 | 23,338 |
| Biggest Cities in Japan | 0 | - | 4.66 | 75,646 |
| Biggest Cities in China | 0 | - | 4.64 | 138,816 |
| Biggest Cities in Canada | 0 | - | 4.66 | 120,524 |
| Biggest Cities in India | 0 | - | 4.72 | 62,438 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 60,419 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,567 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,087 |
| Biggest City by Region | 0 | - | 4.49 | 33,676 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,420 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,382 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 76,728 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,048 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,434 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 38,697 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 41,035 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 78,051 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.49 | 60,268 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 40,368 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 33,996 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,777 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,270 |
| Biggest City by Island | 0 | - | 4.57 | 45,786 |
| Biggest Cities in History | 0 | - | 4.50 | 80,304 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 67,989 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,627 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.49 | 40,152 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,452 |
| Biggest World Cities in 1850 | 0 | - | 4.58 | 64,617 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,569 |
| Biggest Cities Starting With A | 0 | - | 4.56 | 112,292 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 106,939 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 97,746 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 110,609 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 128,964 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 114,801 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,260 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 65,036 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,593 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,799 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,138 |
| Biggest Cities in Mexico | 0 | - | 4.54 | 29,299 |
| Biggest U.S. Cities A-Z | 0 | - | 4.63 | 122,197 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 137,300 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,885 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 99,564 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,225 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 38,991 |
| Biggest Coastal City by Country | 0 | - | 4.59 | 27,035 |
| Five Biggest Cities by Country | 0 | - | 4.66 | 152,579 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,135 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,252 |
| Northernmost Major City by Country | 0 | - | 4.56 | 30,888 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.67 | 56,351 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.71 | 74,578 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 42,486 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 28,726 |
| Flags to Largest Cities | 0 | - | 4.54 | 32,004 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 20,736 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,325 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 31,990 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 194,103 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 76,716 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,312,132 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 349,784 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 126,023 |
| Countries with Megacities | 0 | - | 4.99 | 197,437 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,699 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 98,037 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 95,505 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 63,993 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 248,130 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 37,270 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.25 | 91,538 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,635 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 81,285 |
| Cities on Interstate 90 on a Map | 0 | - | 4.41 | 27,671 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.21 | 17,081 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,824 |
| Biggest Cities Starting With B | 0 | - | 4.35 | 148,150 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 97,042 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 78,834 |
| Biggest Cities Starting With S | 0 | - | 4.39 | 114,761 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 116,342 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 222,213 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 54,763 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,038 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,170 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 245,176 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,114 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 90,012 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 69,896 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,563 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,277 |
| U.S. Cities by Hispanic Population | 0 | - | 4.26 | 24,558 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,183 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 14,714 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.39 | 86,908 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 73,131 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.31 | 81,413 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.09 | 87,109 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.18 | 69,086 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.23 | 64,584 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.23 | 60,390 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 67,743 |
| Biggest Cities in Washington State | 0 | - | 4.45 | 29,283 |
| Biggest Cities in California | 0 | - | 4.35 | 130,508 |
| Biggest Cities in Florida | 0 | - | 4.20 | 67,407 |
| Biggest Cities in New York State | 0 | - | 4.29 | 55,874 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 42,699 |
| Biggest Cities in Ohio | 0 | - | 4.36 | 45,724 |
| Biggest Cities in Texas | 0 | - | 4.26 | 111,437 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,401 |
| Countries of Europe by Population | 0 | - | 4.98 | 127,095 |
| Most Populous Countries by Year | 0 | - | 4.81 | 93,801 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,772 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 96,730 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 75,433 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 93,578 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 70,254 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 85,981 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 28,507 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 19,388 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 205,393 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 109,657 |
