| Biggest Cities in Asia | 0 | - | 4.95 | 114,393 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,356 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,089 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 46,868 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 116,779 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,185 |
| Biggest Cities in the World | 0 | - | 4.91 | 786,670 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 340,461 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,007 |
| Biggest Cities in Germany | 0 | - | 4.95 | 290,283 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 93,617 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,828 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 96,354 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 111,731 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,145 |
| Biggest City in Every Country | 0 | - | 4.98 | 97,953 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 220,595 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,302 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 128,501 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 77,991 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 221,728 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 83,129 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 412,299 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,058 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,644 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,316 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 68,819 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,401 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,274 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 127,738 |
| Biggest Cities in the United States | 0 | - | 4.93 | 961,241 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 362,745 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.90 | 125,501 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,306 |
| Largest City by Island | 0 | - | 4.87 | 70,719 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,042 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,130 |
| Biggest European Cities by Century | 0 | - | 4.98 | 128,516 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 157,800 |
| Megacities on a World Map | 0 | - | 4.98 | 249,076 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,077 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 570,833 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,553 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,458 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,384 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.94 | 40,130 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.89 | 114,853 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,234 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 111,826 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 166,616 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.86 | 55,494 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 123,454 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,493 |
| Largest Nordic Cities on a Map | 0 | - | 4.82 | 36,601 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,431 |
| Biggest Cities in Europe | 0 | - | 4.70 | 540,115 |
| Megacities on an Empty Map | 0 | - | 4.96 | 101,870 |
| Biggest Cities in Japan | 0 | - | 4.67 | 82,289 |
| Biggest Cities in China | 0 | - | 4.52 | 156,285 |
| Biggest Cities in India | 0 | - | 4.70 | 67,140 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,077 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,374 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,348 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 72,905 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,402 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,407 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.77 | 72,968 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 90,912 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,402 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,546 |
| Biggest Cities in Russia | 0 | - | 4.49 | 81,856 |
| Biggest Cities in France | 0 | - | 4.69 | 221,196 |
| Biggest Cities in Spain | 0 | - | 4.63 | 169,273 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,466 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,287 |
| Biggest Cities in the UK | 0 | - | 4.48 | 103,814 |
| Biggest Cities in Canada | 0 | - | 4.53 | 131,419 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,857 |
| Biggest Cities in Italy | 0 | - | 4.75 | 238,754 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,352 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,621 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,456 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,155 |
| Biggest City by Region | 0 | - | 4.50 | 35,907 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 56,803 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,949 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,165 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,768 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,666 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,185 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,592 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 38,816 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 125,995 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,237 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 83,789 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,799 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 83,891 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,599 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,514 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 40,081 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,732 |
| Cities of Ireland | 0 | - | 4.51 | 50,172 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,051 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 150,945 |
| Biggest Cities in History | 0 | - | 4.52 | 88,852 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 71,966 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,087 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 63,772 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,060 |
| Biggest Cities in the Blue Banana | 0 | - | 4.55 | 35,830 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 30,897 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,717 |
| Biggest Cities Starting With A | 0 | - | 4.61 | 123,080 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 115,376 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,006 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,541 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 141,750 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 125,631 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,589 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,307 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.41 | 51,100 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,200 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,809 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,508 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.23 | 20,040 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,547 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,138 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,519 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 321,251 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,085 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,765 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,388 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,936 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 165,291 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,615 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,433 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 37,834 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,801 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,766 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 19,993 |
| Flags to Largest Cities | 0 | - | 4.54 | 50,512 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,280 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,879 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 108,980 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,121 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,836 |
| Biggest Cities in North Carolina | 0 | - | 4.67 | 34,780 |
| Biggest World Cities A-Z | 0 | - | 4.61 | 220,783 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,429,754 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 376,162 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,359 |
| Countries with Megacities | 0 | - | 4.99 | 244,841 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,245 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,441 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 134,759 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 79,324 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,805 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.28 | 114,258 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,112 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,672 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,690 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,808 |
| Biggest Cities Starting With B | 0 | - | 4.33 | 161,267 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,309 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,393 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,412 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,099 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,268 |
| Largest World Cities With Four Letters | 0 | - | 4.35 | 50,214 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.79 | 68,404 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,827 |
| Cities in European Economic Areas on a Map | 0 | - | 4.63 | 16,360 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 126,786 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,410 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,064 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,503 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,238 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,173 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 57,982 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,567 |
| The Most Populous U.S. City by Category | 0 | - | 4.35 | 22,200 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,186 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 106,221 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 84,861 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 79,929 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,250 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,101 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.27 | 72,973 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,190 |
| Biggest Cities in California | 0 | - | 4.35 | 138,959 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,622 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,250 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,113 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 31,996 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,492 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,438 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 24,999 |
| Countries of Europe by Population | 0 | - | 4.98 | 176,894 |
| Most Populous Countries by Year | 0 | - | 4.83 | 108,727 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 94,955 |
