| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,622 |
| Biggest Cities in the World | 0 | - | 4.91 | 794,655 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,862 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,250 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,776 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,489 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,232 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,777 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,068 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 97,943 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,377 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,485 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,243 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,522 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,488 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,570 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,010 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,114 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,348 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,007 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,217 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,629 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,190 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,493 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,503 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,550 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,082 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,162 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,398 |
| Biggest Cities in the United States | 0 | - | 4.93 | 972,828 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,000 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,427 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,661 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,621 |
| Largest City by Island | 0 | - | 4.87 | 71,479 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,642 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,243 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,043 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,792 |
| Megacities on a World Map | 0 | - | 4.98 | 252,525 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,860 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,857 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,823 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,059 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,445 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,072 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,343 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,189 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,894 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,756 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,834 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,836 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,255 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,270 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,487 |
| Biggest Cities in Europe | 0 | - | 4.72 | 544,128 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,657 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,167 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,719 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,307 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,757 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,062 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,283 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,183 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,377 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,082 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,806 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,215 |
| Biggest Cities in France | 0 | - | 4.70 | 223,195 |
| Biggest Cities in Spain | 0 | - | 4.64 | 170,545 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,824 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,687 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,909 |
| Biggest Cities in China | 0 | - | 4.52 | 157,853 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,496 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,100 |
| Biggest Cities in India | 0 | - | 4.70 | 67,547 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,383 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,605 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,261 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,004 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,866 |
| Biggest City by Region | 0 | - | 4.50 | 36,078 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,015 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,117 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,298 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,104 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,327 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,942 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,149 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,448 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,413 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,252 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,919 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,654 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,860 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,733 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,291 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,033 |
| Cities of Ireland | 0 | - | 4.51 | 50,505 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,145 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,877 |
| Biggest Cities in History | 0 | - | 4.52 | 89,867 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,236 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,300 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,317 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,330 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,211 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,069 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,904 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,895 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,286 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,998 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,305 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,861 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,353 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,920 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,670 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,400 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,717 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,945 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,058 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,598 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,014 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,362 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,629 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,419 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,546 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 72,952 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,517 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,010 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,121 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,727 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,515 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,170 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,063 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,077 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,433 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,780 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,113 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,521 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,008 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,641 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,809 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,071 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,993 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,393 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,722 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,051 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,454 |
| Countries with Megacities | 0 | - | 4.99 | 249,354 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,309 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,648 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,630 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,621 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,906 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,981 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,330 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,834 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,799 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.25 | 20,368 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,883 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,257 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,019 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,860 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,149 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,842 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,527 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 51,032 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,685 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,958 |
| Cities in European Economic Areas on a Map | 0 | - | 4.69 | 17,341 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,473 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,342 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,024 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,422 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,127 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,156 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,702 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,746 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,322 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,801 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 106,794 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,268 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,326 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,516 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,340 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,275 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,499 |
| Biggest Cities in California | 0 | - | 4.35 | 139,570 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,951 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,543 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,304 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,187 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,678 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,122 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,121 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,492 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,031 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,367 |
