| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 89,221 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 92,463 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 45,649 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 154,983 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 113,119 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 76,646 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.94 | 37,668 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.88 | 111,101 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 331,961 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 53,278 |
| Largest Nordic Cities on a Map | 0 | - | 4.82 | 35,253 |
| Biggest Cities in Germany | 0 | - | 4.95 | 284,472 |
| Biggest Cities in the World | 0 | - | 4.91 | 765,261 |
| Biggest Cities in Asia | 0 | - | 4.94 | 105,890 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 48,206 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 48,249 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,128 |
| Biggest City by Time Zone | 0 | - | 4.86 | 63,359 |
| Biggest City in Every Country | 0 | - | 4.98 | 92,984 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 193,786 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 104,650 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 114,033 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 75,100 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 216,098 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 80,746 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 131,254 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 404,176 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 74,924 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 46,280 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 110,100 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 66,771 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 49,683 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 63,844 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 123,188 |
| Biggest Cities in the United States | 0 | - | 4.94 | 933,169 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 356,926 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 43,134 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 559,163 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,110 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 77,929 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.85 | 59,394 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 37,834 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 30,575 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 116,212 |
| Biggest Cities by Language | 0 | - | 4.95 | 226,558 |
| Largest City by Island | 0 | - | 4.89 | 68,732 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.92 | 68,635 |
| Most Populous World Capitals | 0 | - | 4.93 | 171,675 |
| Biggest European Cities by Century | 0 | - | 4.98 | 126,464 |
| Megacities on a World Map | 0 | - | 4.98 | 236,068 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 65,168 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 71,257 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 102,791 |
| Biggest Cities in Washington State | 0 | - | 4.46 | 35,123 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 163,200 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 34,244 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 54,563 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 99,129 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 163,959 |
| Biggest Cities in Europe | 0 | - | 4.74 | 528,105 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 62,586 |
| Megacities on an Empty Map | 0 | - | 4.96 | 94,662 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 51,696 |
| All Cities in China with Population of 1 Million | 0 | - | 4.78 | 43,772 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.95 | 38,190 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 67,380 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 71,809 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.83 | 22,298 |
| Biggest English Cities by Century | 0 | - | 4.90 | 104,423 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 81,946 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,972 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,012 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 39,600 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 36,538 |
| Biggest Cities in California | 0 | - | 4.34 | 137,291 |
| Biggest Cities in Florida | 0 | - | 4.22 | 70,764 |
| Biggest Cities in New York State | 0 | - | 4.32 | 58,596 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 44,660 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,008 |
| Biggest Cities in Texas | 0 | - | 4.27 | 117,269 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 24,711 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 71,837 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 47,437 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 50,276 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.78 | 72,104 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 90,036 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 41,803 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 40,185 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 173,984 |
| Biggest Cities in Japan | 0 | - | 4.64 | 81,108 |
| Biggest Cities in Russia | 0 | - | 4.48 | 80,845 |
| Biggest Cities in France | 0 | - | 4.73 | 216,709 |
| Biggest Cities in Spain | 0 | - | 4.63 | 166,026 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 54,555 |
| Biggest Cities in Poland | 0 | - | 4.58 | 52,266 |
| Biggest Cities in the UK | 0 | - | 4.47 | 101,601 |
| Biggest Cities in China | 0 | - | 4.48 | 152,593 |
| Cities of Ireland | 0 | - | 4.50 | 49,301 |
| Biggest Cities in Canada | 0 | - | 4.56 | 129,187 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,198 |
| Biggest Cities in India | 0 | - | 4.70 | 66,201 |
| Biggest Cities in Italy | 0 | - | 4.75 | 234,587 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 63,598 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.43 | 14,258 |
| Second Biggest Cities by Country | 0 | - | 4.42 | 56,412 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,019 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 44,552 |
| Biggest City by Region | 0 | - | 4.50 | 35,400 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,216 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 36,882 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 82,655 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,524 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 51,807 |
| Two Largest Cities by First Two Letters | 0 | - | 4.54 | 81,848 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.51 | 22,793 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,758 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,775 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 141,606 |
| Biggest European Cities by Letter | 0 | - | 4.63 | 124,532 |
| Biggest Cities in History | 0 | - | 4.52 | 87,370 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 71,277 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 64,836 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,466 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 42,481 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.27 | 110,005 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 67,368 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,287 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 30,408 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 20,328 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 26,604 |
| Biggest Cities in Colorado | 0 | - | 4.04 | 31,565 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 24,611 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,115 |
| Biggest Cities in Alaska | 0 | - | 4.28 | 25,271 |
| Biggest Cities in Arizona | 0 | - | 4.29 | 30,784 |
| Biggest Cities in Illinois | 0 | - | 4.34 | 26,268 |
| Biggest Cities in Louisiana | 0 | - | 4.14 | 19,496 |
| Biggest Cities in Massachusetts | 0 | - | 4.38 | 29,777 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 33,662 |
| Biggest Cities in Missouri | 0 | - | 4.23 | 16,974 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,452 |
| Biggest Cities in Indiana | 0 | - | 4.27 | 26,265 |
| Biggest Cities Starting With A | 0 | - | 4.61 | 120,817 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 113,539 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 105,860 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 118,898 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 139,026 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 123,255 |
| Hawaiian Islands | 0 | - | 4.83 | 41,472 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,397 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 136,890 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 148,246 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 161,544 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 119,854 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 72,324 |
| Biggest Nordic Cities | 0 | - | 4.38 | 61,015 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,747 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,274 |
| Biggest Cities by Latitude | 0 | - | 4.77 | 27,199 |
| Biggest Cities by Trait #2 | 0 | - | 4.41 | 15,004 |
| The Most Populous U.S. City by Category | 0 | - | 4.34 | 21,897 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,586 |
| Random U.S. State Capitals on a Map | 0 | - | 4.91 | 100,422 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.83 | 54,514 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,401,805 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 369,085 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 105,593 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 162,607 |
| Largest Cities in Alexander's Empire | 0 | - | 4.57 | 39,551 |
| Flags to Largest Cities | 0 | - | 4.54 | 36,805 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,478 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.23 | 19,474 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 106,959 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 91,348 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,597 |
| Biggest World Cities A-Z | 0 | - | 4.56 | 217,162 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 158,797 |
| Biggest Cities Starting With C | 0 | - | 4.10 | 102,653 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 84,700 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 123,281 |
| Biggest Cities Starting With T | 0 | - | 4.28 | 124,937 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 488,355 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 165,050 |
| Countries with Megacities | 0 | - | 4.99 | 224,954 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 191,362 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 108,687 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 130,387 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 76,189 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 308,093 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 44,868 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.74 | 67,727 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 23,337 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 124,556 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 83,510 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 260,720 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 118,002 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 109,364 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 90,046 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 56,357 |
| Jewish Cities Quiz | 0 | - | 4.33 | 61,055 |
