| Biggest Cities in Asia | 0 | - | 4.94 | 97,402 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 44,193 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 122,064 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 104,474 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,547 |
| Biggest Cities in the World | 0 | - | 4.90 | 698,370 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 42,697 |
| Biggest Cities in Germany | 0 | - | 4.95 | 266,733 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 37,683 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 78,469 |
| Biggest City by Time Zone | 0 | - | 4.85 | 55,573 |
| Biggest City in Every Country | 0 | - | 4.98 | 80,821 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 173,099 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 93,649 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 98,895 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 66,323 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 202,343 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 72,890 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 376,488 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 66,515 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,839 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 308,228 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 99,437 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 60,545 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,829 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,289 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 108,708 |
| Biggest Cities in the United States | 0 | - | 4.93 | 844,966 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 337,567 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,866 |
| Biggest Cities by Language | 0 | - | 4.95 | 215,832 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,234 |
| Most Populous World Capitals | 0 | - | 4.94 | 160,410 |
| Biggest European Cities by Century | 0 | - | 4.98 | 119,991 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 143,463 |
| Megacities on a World Map | 0 | - | 4.98 | 223,038 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 44,531 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 520,430 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,598 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,308 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 70,564 |
| 500 Biggest US Cities | 0 | - | 4.88 | 100,237 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,459 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 85,993 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 152,714 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 51,378 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 93,279 |
| Biggest Cities in France - Extreme | 0 | - | 4.90 | 45,044 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 156,093 |
| Biggest Cities in Europe | 0 | - | 4.75 | 471,796 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,439 |
| Biggest Cities in Japan | 0 | - | 4.65 | 76,268 |
| Biggest Cities in China | 0 | - | 4.57 | 140,822 |
| Biggest Cities in India | 0 | - | 4.71 | 63,039 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 30,024 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 39,280 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 41,547 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,280 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 68,405 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 33,464 |
| Biggest English Cities by Century | 0 | - | 4.90 | 100,283 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 69,404 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 87,136 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 37,415 |
| Biggest Cities in Russia | 0 | - | 4.49 | 77,412 |
| Biggest Cities in France | 0 | - | 4.76 | 202,098 |
| Biggest Cities in Spain | 0 | - | 4.55 | 155,626 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,930 |
| Biggest Cities in Poland | 0 | - | 4.57 | 48,812 |
| Biggest Cities in the UK | 0 | - | 4.46 | 94,705 |
| Cities of Ireland | 0 | - | 4.43 | 40,170 |
| Biggest Cities in Canada | 0 | - | 4.66 | 121,892 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,969 |
| Biggest Cities in Italy | 0 | - | 4.66 | 220,145 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 60,901 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,158 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,282 |
| Biggest City by Region | 0 | - | 4.50 | 33,953 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,825 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,593 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 77,621 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 42,612 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,313 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,986 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 34,733 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.75 | 66,098 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 120,017 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 63,228 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 78,674 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.50 | 62,695 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 40,720 |
| Biggest "Saint" Cities - United States | 0 | - | 4.47 | 34,288 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.45 | 37,255 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 22,944 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,924 |
| Biggest City by Island | 0 | - | 4.57 | 46,012 |
| Biggest Cities in History | 0 | - | 4.50 | 81,525 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,394 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,446 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 64,972 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 168,684 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,792 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 19,051 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 113,634 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 108,038 |
| Biggest Cities Starting With H | 0 | - | 4.57 | 98,909 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 111,782 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 130,431 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 115,902 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,470 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,925 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.50 | 41,324 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 36,884 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,281 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.21 | 17,459 |
| Biggest U.S. Cities A-Z | 0 | - | 4.72 | 132,485 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,140 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,142 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 100,329 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,541 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,156 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,846 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,109 |
| Five Biggest Cities by Country | 0 | - | 4.66 | 154,238 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,312 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,382 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,126 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 56,721 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.70 | 75,047 |
| Flags to Largest Cities | 0 | - | 4.54 | 32,717 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.48 | 21,086 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,507 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 32,392 |
| Biggest World Cities A-Z | 0 | - | 4.57 | 205,079 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,324,104 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 352,412 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 128,246 |
| Countries with Megacities | 0 | - | 4.99 | 200,716 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 174,469 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,368 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 97,549 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,369 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 251,670 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,743 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 37,719 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.23 | 94,213 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,892 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 82,590 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,606 |
| Largest Nordic Cities on a Map | 0 | - | 4.79 | 23,904 |
| Cities on Interstate 90 on a Map | 0 | - | 4.44 | 28,977 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,927 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 149,876 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 97,837 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 79,743 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 115,998 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 117,436 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.77 | 19,496 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 65,438 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,798 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 67,091 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 247,371 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 110,140 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 104,046 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 71,796 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 51,124 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,468 |
| U.S. Cities by Hispanic Population | 0 | - | 4.27 | 24,687 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,294 |
| The Most Populous U.S. City by Category | 0 | - | 4.31 | 20,768 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.40 | 88,988 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 75,005 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.32 | 83,275 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.08 | 89,078 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 70,855 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.22 | 66,407 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.23 | 60,939 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 68,260 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 30,254 |
| Biggest Cities in California | 0 | - | 4.35 | 131,528 |
| Biggest Cities in Florida | 0 | - | 4.20 | 67,985 |
| Biggest Cities in New York State | 0 | - | 4.29 | 56,335 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 43,074 |
| Biggest Cities in Ohio | 0 | - | 4.37 | 46,160 |
| Biggest Cities in Texas | 0 | - | 4.26 | 112,221 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,653 |
| Countries of Europe by Population | 0 | - | 4.98 | 130,260 |
| Most Populous Countries by Year | 0 | - | 4.81 | 95,168 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,185 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 97,943 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 83,378 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 94,653 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 72,402 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 86,666 |
| Biggest Cities Near a Border | 0 | - | 4.20 | 29,041 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 19,641 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 207,067 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 110,530 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 69,178 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,753 |
