| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 43,046 |
| Biggest Cities in the World | 0 | - | 4.90 | 702,733 |
| Biggest Cities in Asia | 0 | - | 4.94 | 98,223 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 44,452 |
| Biggest Cities in Germany | 0 | - | 4.95 | 268,002 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 39,575 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 37,844 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 79,315 |
| Biggest City by Time Zone | 0 | - | 4.85 | 55,992 |
| Biggest City in Every Country | 0 | - | 4.98 | 81,438 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 174,265 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 94,252 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 99,628 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 66,817 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 203,294 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 73,388 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 122,703 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 378,295 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 66,933 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,998 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 309,838 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 100,267 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 60,887 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,989 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,734 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 109,531 |
| Biggest Cities in the United States | 0 | - | 4.93 | 849,038 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 338,636 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,681 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 110,204 |
| Biggest Cities by Language | 0 | - | 4.95 | 216,406 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,376 |
| Most Populous World Capitals | 0 | - | 4.94 | 162,277 |
| Biggest European Cities by Century | 0 | - | 4.98 | 120,556 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 144,515 |
| Megacities on a World Map | 0 | - | 4.98 | 223,726 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 44,757 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 105,112 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 522,932 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,906 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,708 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 70,910 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.87 | 101,146 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,795 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 91,923 |
| Biggest City in Each U.S. State | 0 | - | 4.86 | 153,366 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 51,627 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 93,636 |
| Biggest Cities in France - Extreme | 0 | - | 4.90 | 45,505 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 156,728 |
| Biggest Cities in Europe | 0 | - | 4.75 | 489,286 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,786 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 30,422 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,482 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 68,589 |
| Largest Nordic Cities on a Map | 0 | - | 4.81 | 30,531 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 33,661 |
| Biggest English Cities by Century | 0 | - | 4.90 | 100,536 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 30,658 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 69,626 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 87,280 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 37,613 |
| Biggest Cities in Japan | 0 | - | 4.66 | 76,680 |
| Biggest Cities in Russia | 0 | - | 4.49 | 77,624 |
| Biggest Cities in France | 0 | - | 4.71 | 203,013 |
| Biggest Cities in Spain | 0 | - | 4.55 | 156,286 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 51,190 |
| Biggest Cities in Poland | 0 | - | 4.57 | 49,074 |
| Biggest Cities in the UK | 0 | - | 4.46 | 95,171 |
| Biggest Cities in China | 0 | - | 4.55 | 141,759 |
| Cities of Ireland | 0 | - | 4.47 | 44,481 |
| Biggest Cities in Canada | 0 | - | 4.66 | 122,411 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 44,127 |
| Biggest Cities in India | 0 | - | 4.71 | 63,294 |
| Biggest Cities in Italy | 0 | - | 4.66 | 221,410 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 61,104 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,288 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 43,385 |
| Biggest City by Region | 0 | - | 4.50 | 34,056 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 54,029 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,670 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 78,002 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,434 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 49,191 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 34,948 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.75 | 66,661 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 41,773 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 120,338 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 63,340 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.96 | 78,918 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.50 | 63,180 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 40,849 |
| Biggest "Saint" Cities - United States | 0 | - | 4.47 | 34,400 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.45 | 37,502 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 22,992 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 137,488 |
| Biggest City by Island | 0 | - | 4.57 | 46,118 |
| Biggest Cities in History | 0 | - | 4.50 | 81,871 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,551 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,631 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 65,150 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 32,284 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 169,039 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,882 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 19,131 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 114,078 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 108,383 |
| Biggest Cities Starting With H | 0 | - | 4.57 | 99,309 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 112,263 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 130,939 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 116,349 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 62,075 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.47 | 46,352 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 37,169 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,408 |
| Biggest U.S. Cities A-Z | 0 | - | 4.71 | 132,769 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,849 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,573 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 100,656 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,666 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,248 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,922 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,147 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 154,786 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,382 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,442 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,227 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 56,864 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.70 | 75,220 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 42,668 |
| Flags to Largest Cities | 0 | - | 4.55 | 33,003 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.48 | 21,198 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,583 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 32,530 |
| Biggest World Cities A-Z | 0 | - | 4.57 | 205,998 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,328,997 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 353,403 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,066 |
| Countries with Megacities | 0 | - | 4.99 | 201,878 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,407 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,973 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,269 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,893 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,086 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,800 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 37,912 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.24 | 95,222 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,988 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 83,117 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,660 |
| Cities on Interstate 90 on a Map | 0 | - | 4.44 | 29,195 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.21 | 17,555 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,972 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 150,427 |
| Biggest Cities Starting With C | 0 | - | 4.08 | 98,086 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 80,005 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 116,401 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 117,864 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.79 | 19,672 |
| Largest World Cities With Four Letters | 0 | - | 4.38 | 43,593 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 65,627 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 118,117 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 67,447 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 248,385 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 110,590 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 104,270 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 72,267 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 51,349 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,577 |
| U.S. Cities by Hispanic Population | 0 | - | 4.27 | 24,756 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,361 |
| The Most Populous U.S. City by Category | 0 | - | 4.31 | 20,942 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.40 | 89,489 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 75,434 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.30 | 83,853 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.08 | 89,485 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 71,208 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.22 | 66,817 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.23 | 61,118 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 68,441 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 30,422 |
| Biggest Cities in California | 0 | - | 4.35 | 132,028 |
| Biggest Cities in Florida | 0 | - | 4.20 | 68,189 |
| Biggest Cities in New York State | 0 | - | 4.29 | 56,506 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 43,174 |
| Biggest Cities in Ohio | 0 | - | 4.37 | 46,282 |
| Biggest Cities in Texas | 0 | - | 4.26 | 112,492 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,717 |
| Countries of Europe by Population | 0 | - | 4.98 | 131,332 |
| Most Populous Countries by Year | 0 | - | 4.81 | 95,810 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,382 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 98,419 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 84,699 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 95,086 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 72,978 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 86,955 |
| Biggest Cities Near a Border | 0 | - | 4.20 | 29,215 |
| Cities in Squares on a Map - North America | 0 | - | 4.32 | 19,731 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 207,824 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 110,930 |
