| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 144,930 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 71,029 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.87 | 101,370 |
| Biggest Cities in the World | 0 | - | 4.90 | 704,114 |
| Biggest Cities in Asia | 0 | - | 4.94 | 98,401 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 44,530 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 43,164 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 203,594 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 122,877 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 378,891 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 30,540 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 310,391 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 100,550 |
| Biggest Cities in the United States | 0 | - | 4.93 | 850,456 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 339,015 |
| Biggest City by Time Zone | 0 | - | 4.85 | 56,138 |
| Biggest City in Every Country | 0 | - | 4.98 | 81,666 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 174,671 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 94,511 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 99,888 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 67,003 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 73,538 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 67,087 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 43,046 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 61,001 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 47,038 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,876 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 109,836 |
| Biggest Cities in California | 0 | - | 4.35 | 132,157 |
| Biggest Cities in Florida | 0 | - | 4.20 | 68,248 |
| Biggest Cities in New York State | 0 | - | 4.29 | 56,548 |
| Biggest Cities in Texas | 0 | - | 4.26 | 112,645 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 44,823 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.91 | 105,336 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 523,895 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,911 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 110,315 |
| Biggest Cities by Language | 0 | - | 4.95 | 216,641 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,415 |
| Most Populous World Capitals | 0 | - | 4.94 | 162,613 |
| Biggest European Cities by Century | 0 | - | 4.98 | 120,665 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 51,716 |
| Megacities on a World Map | 0 | - | 4.98 | 223,962 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 93,776 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,988 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,856 |
| Biggest Cities in France - Extreme | 0 | - | 4.90 | 45,689 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 92,309 |
| Biggest Cities in Germany | 0 | - | 4.95 | 268,460 |
| Biggest City in Each U.S. State | 0 | - | 4.86 | 153,878 |
| Biggest Cities in Michigan | 0 | - | 3.97 | 32,708 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 32,578 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 156,892 |
| Biggest Cities in Europe | 0 | - | 4.75 | 490,604 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,932 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 39,669 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 37,895 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 79,658 |
| Largest Nordic Cities on a Map | 0 | - | 4.82 | 30,949 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,722 |
| Biggest English Cities by Century | 0 | - | 4.90 | 100,630 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,565 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 68,697 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.50 | 63,328 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 40,898 |
| Biggest "Saint" Cities - United States | 0 | - | 4.47 | 34,446 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.45 | 37,561 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 30,480 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 43,214 |
| Biggest Cities in Ohio | 0 | - | 4.37 | 46,328 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,738 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 62,127 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.47 | 46,953 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 69,689 |
| Biggest Mediterranean Cities | 0 | - | 4.58 | 87,329 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 37,683 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 56,919 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.70 | 75,292 |
| Biggest Cities in Arizona | 0 | - | 4.28 | 29,144 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 61,164 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,333 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 43,412 |
| Biggest City by Region | 0 | - | 4.50 | 34,089 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 54,104 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.96 | 79,009 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,702 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 78,134 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,470 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 137,599 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 120,444 |
| Biggest City by Island | 0 | - | 4.57 | 46,152 |
| Biggest Cities in History | 0 | - | 4.50 | 81,986 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,609 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 63,391 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 37,978 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,677 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.25 | 95,591 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 53,016 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 37,285 |
| Biggest World Cities in 1850 | 0 | - | 4.64 | 65,225 |
| Cities on Interstate 90 on a Map | 0 | - | 4.44 | 29,348 |
| Biggest Cities in Japan | 0 | - | 4.66 | 76,766 |
| Biggest Cities in Russia | 0 | - | 4.49 | 77,711 |
| Biggest Cities in France | 0 | - | 4.72 | 203,558 |
| Biggest Cities in Spain | 0 | - | 4.55 | 156,546 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 51,279 |
| Biggest Cities in Poland | 0 | - | 4.57 | 49,162 |
| Biggest Cities in the UK | 0 | - | 4.46 | 95,338 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 33,738 |
| Biggest Cities in China | 0 | - | 4.55 | 142,060 |
| Cities of Ireland | 0 | - | 4.49 | 46,634 |
| Biggest Cities in Canada | 0 | - | 4.66 | 122,604 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 44,175 |
| Biggest Cities in India | 0 | - | 4.71 | 63,385 |
| Biggest Cities in Italy | 0 | - | 4.70 | 221,783 |
| Biggest Cities in New Jersey | 0 | - | 4.10 | 25,395 |
| Biggest Cities in Colorado | 0 | - | 4.04 | 30,326 |
| Biggest Cities in Virginia | 0 | - | 4.21 | 23,368 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 19,094 |
| Biggest Cities in Alaska | 0 | - | 4.27 | 24,005 |
| Biggest Cities in Illinois | 0 | - | 4.33 | 25,017 |
| Biggest Cities in Louisiana | 0 | - | 4.12 | 18,572 |
| Biggest Cities in Massachusetts | 0 | - | 4.38 | 28,206 |
| Biggest Cities in Missouri | 0 | - | 4.21 | 16,106 |
| Biggest Cities in Tennessee | 0 | - | 4.24 | 19,453 |
| Biggest Cities in Indiana | 0 | - | 4.29 | 24,586 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 114,257 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 108,511 |
| Biggest Cities Starting With H | 0 | - | 4.57 | 99,455 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 112,462 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 131,165 |
| Biggest Cities Starting With P | 0 | - | 4.48 | 116,526 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 42,687 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 49,259 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 35,044 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 67,089 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 41,890 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 100,792 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,709 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,281 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,954 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,162 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 154,984 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,412 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,460 |
| U.S. Cities by Hispanic Population | 0 | - | 4.27 | 24,775 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,248 |
| Flags to Largest Cities | 0 | - | 4.55 | 33,081 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.49 | 21,242 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 23,020 |
| Biggest World Cities A-Z | 0 | - | 4.58 | 206,344 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,330,521 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 353,727 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 140,027 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,729 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 65,666 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,822 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 83,310 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,689 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 169,163 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,913 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 19,161 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,984 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 22,062 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 150,658 |
| Biggest Cities Starting With C | 0 | - | 4.08 | 98,203 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 80,111 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 116,773 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 118,060 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,323 |
| Countries with Megacities | 0 | - | 4.99 | 202,217 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,687 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 100,126 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,481 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 66,074 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,555 |
| Largest World Cities With Four Letters | 0 | - | 4.38 | 43,621 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,467 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,608 |
| Biggest U.S. Cities A-Z | 0 | - | 4.71 | 132,873 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 118,245 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 67,586 |
| Countries of Europe by Population | 0 | - | 4.98 | 131,802 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 248,624 |
| Most Populous Countries by Year | 0 | - | 4.81 | 95,982 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 110,719 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 104,351 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 72,424 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,437 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 98,556 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 85,018 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 95,204 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 73,127 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 87,058 |
| Countries by Population Range - Tile Select | 0 | - | 4.84 | 51,433 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,611 |
| Biggest Cities Near a Border | 0 | - | 4.20 | 29,274 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,375 |
| Cities in Squares on a Map - North America | 0 | - | 4.32 | 19,770 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.21 | 17,609 |
