| Biggest Cities in Asia | 0 | - | 4.94 | 94,843 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 42,864 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 108,153 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 90,558 |
| Cities of China (With Some Help) | 0 | - | 4.85 | 27,963 |
| Biggest Cities in India | 0 | - | 4.72 | 61,877 |
| Biggest Cities in the World | 0 | - | 4.89 | 677,335 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 41,013 |
| Biggest Cities in Germany | 0 | - | 4.94 | 260,519 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 40,360 |
| Biggest Cities in Sweden | 0 | - | 4.82 | 36,959 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 74,476 |
| Biggest City by Time Zone | 0 | - | 4.82 | 53,205 |
| Biggest City in Every Country | 0 | - | 4.97 | 77,348 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 166,914 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 90,667 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 94,232 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 53,504 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 197,198 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.85 | 69,954 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 366,771 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 64,038 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 41,933 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 300,996 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 95,929 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 58,947 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 54,284 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 104,768 |
| Biggest Cities in the United States | 0 | - | 4.92 | 807,192 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 320,473 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 108,064 |
| Biggest Cities by Language | 0 | - | 4.95 | 212,264 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 64,422 |
| Most Populous World Capitals | 0 | - | 4.92 | 146,360 |
| Biggest European Cities by Century | 0 | - | 4.97 | 117,589 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 130,372 |
| Megacities on a World Map | 0 | - | 4.98 | 218,908 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.82 | 43,632 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 508,106 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,331 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 62,631 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 68,741 |
| 500 Biggest US Cities | 0 | - | 4.84 | 96,026 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 82,762 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 149,838 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 50,488 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 90,288 |
| Biggest Cities in France - Extreme | 0 | - | 4.88 | 42,849 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 153,568 |
| Biggest Cities in Europe | 0 | - | 4.74 | 455,516 |
| Megacities on an Empty Map | 0 | - | 4.96 | 86,689 |
| Biggest Cities in Japan | 0 | - | 4.65 | 74,831 |
| Biggest Cities in China | 0 | - | 4.64 | 136,517 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.90 | 28,286 |
| All Cities in China with Population of 1 Million | 0 | - | 4.77 | 37,758 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 63,026 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,027 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 32,470 |
| Biggest English Cities by Century | 0 | - | 4.89 | 98,719 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 68,271 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 86,144 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.64 | 36,424 |
| Biggest Cities in Russia | 0 | - | 4.49 | 75,855 |
| Biggest Cities in France | 0 | - | 4.76 | 197,151 |
| Biggest Cities in Spain | 0 | - | 4.50 | 152,056 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 49,616 |
| Biggest Cities in Poland | 0 | - | 4.56 | 47,558 |
| Biggest Cities in the UK | 0 | - | 4.45 | 92,441 |
| Cities of Ireland | 0 | - | 4.43 | 39,406 |
| Biggest Cities in Canada | 0 | - | 4.67 | 119,445 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,223 |
| Biggest Cities in Italy | 0 | - | 4.65 | 215,136 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.46 | 59,939 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,273 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 42,858 |
| Biggest City by Region | 0 | - | 4.48 | 33,188 |
| Most Populous 2nd Cities | 0 | - | 4.72 | 52,953 |
| Largest World Capitals with Exceptions | 0 | - | 4.71 | 50,191 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 67,591 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.79 | 42,349 |
| Ten Northernmost Megacities | 0 | - | 4.49 | 46,784 |
| Ten Southernmost Megacities | 0 | - | 4.80 | 45,963 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 47,996 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.74 | 63,315 |
| Biggest European Cities by Letter | 0 | - | 4.64 | 118,005 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.59 | 62,691 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.96 | 70,203 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.49 | 55,447 |
| U.S. States by Second Most Populous City | 0 | - | 4.44 | 40,002 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 33,754 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.79 | 51,680 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,647 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 135,626 |
| Biggest City by Island | 0 | - | 4.57 | 45,586 |
| Biggest Cities in History | 0 | - | 4.49 | 79,349 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 67,619 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 39,820 |
| Biggest World Cities in 1850 | 0 | - | 4.58 | 64,262 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 167,016 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.45 | 28,340 |
| Biggest Cities in Portugal | 0 | - | 4.41 | 18,652 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 110,955 |
| Biggest Cities Starting With D | 0 | - | 4.48 | 106,068 |
| Biggest Cities Starting With H | 0 | - | 4.53 | 96,623 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 109,458 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 127,378 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 113,397 |
| Largest World Cities With Four Letters | 0 | - | 4.43 | 43,029 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.43 | 61,222 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,612 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 35,406 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 12,907 |
| Biggest Cities in Mexico | 0 | - | 4.54 | 28,685 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.20 | 16,745 |
| Biggest U.S. Cities A-Z | 0 | - | 4.59 | 121,616 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 136,014 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 108,706 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 98,381 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 69,887 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 38,830 |
| Biggest Nordic Cities | 0 | - | 4.37 | 59,503 |
| Biggest Coastal City by Country | 0 | - | 4.59 | 26,951 |
| Five Biggest Cities by Country | 0 | - | 4.66 | 150,907 |
| Biggest City by Region #2 | 0 | - | 4.45 | 22,831 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,115 |
| Northernmost Major City by Country | 0 | - | 4.55 | 30,650 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 55,963 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.71 | 74,086 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.45 | 28,564 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 20,505 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 16,123 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 31,700 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 191,900 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,300,540 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 347,224 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 123,923 |
| Countries with Megacities | 0 | - | 4.99 | 194,377 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,127 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 96,690 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,464 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,553 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 244,652 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,476 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 36,760 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.24 | 88,845 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,342 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 80,039 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,308 |
| Largest Nordic Cities on a Map | 0 | - | 4.72 | 22,744 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,739 |
| Biggest Cities Starting With B | 0 | - | 4.35 | 146,442 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 96,061 |
| Biggest Cities Starting With K | 0 | - | 4.29 | 78,128 |
| Biggest Cities Starting With S | 0 | - | 4.39 | 113,687 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 115,270 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 64,593 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,187 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 65,232 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 243,165 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 108,112 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,418 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 64,306 |
| Countries by Population Range - Tile Select | 0 | - | 4.86 | 49,941 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,058 |
| U.S. Cities by Hispanic Population | 0 | - | 4.26 | 24,435 |
| Biggest Cities by Trait #2 | 0 | - | 4.37 | 14,059 |
| Flags to Largest Cities | 0 | - | 4.57 | 30,719 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.36 | 82,760 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.36 | 69,265 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.28 | 77,568 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 83,236 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.15 | 65,704 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.23 | 61,457 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.22 | 59,734 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 67,134 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 27,734 |
| Biggest Cities in California | 0 | - | 4.35 | 129,669 |
| Biggest Cities in Florida | 0 | - | 4.19 | 67,002 |
| Biggest Cities in New York State | 0 | - | 4.29 | 55,516 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 42,487 |
| Biggest Cities in Ohio | 0 | - | 4.36 | 45,471 |
| Biggest Cities in Texas | 0 | - | 4.26 | 110,789 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,219 |
| Countries of Europe by Population | 0 | - | 4.98 | 124,267 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,198 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 95,480 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 74,335 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 92,471 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 64,341 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 85,407 |
| Biggest Cities Near a Border | 0 | - | 4.20 | 27,495 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 19,174 |
| Cities on Interstate 90 on a Map | 0 | - | 4.39 | 24,996 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 203,828 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 108,727 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 68,139 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 75,566 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,279 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 66,497 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 86,196 |
