| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,459 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,870 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,655 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,336 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,906 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,181 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,593 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,884 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,900 |
| Biggest Cities in the World | 0 | - | 4.91 | 792,465 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,471 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,795 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,010 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,463 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,850 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,974 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,121 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,733 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,220 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,071 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,829 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,918 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,760 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,652 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,874 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,276 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,140 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,368 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,896 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,920 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,879 |
| Biggest Cities in the United States | 0 | - | 4.93 | 969,487 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,657 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,376 |
| Biggest Cities in China | 0 | - | 4.52 | 157,394 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,524 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,648 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,491 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,891 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,028 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,810 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,698 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,066 |
| Biggest Cities by Language | 0 | - | 4.96 | 244,115 |
| Largest City by Island | 0 | - | 4.87 | 71,244 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,515 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,794 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,703 |
| Megacities on a World Map | 0 | - | 4.98 | 251,715 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,942 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,148 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,210 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,444 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,736 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,735 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,028 |
| Biggest Cities in India | 0 | - | 4.70 | 67,429 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,251 |
| Biggest Cities in Europe | 0 | - | 4.70 | 543,033 |
| Megacities on an Empty Map | 0 | - | 4.97 | 114,027 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,962 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,630 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,213 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,692 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,628 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,179 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,108 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,134 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,941 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,106 |
| Biggest Cities in France | 0 | - | 4.69 | 222,785 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,191 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,731 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,554 |
| Biggest Cities in the UK | 0 | - | 4.47 | 104,347 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,023 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,028 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,919 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,530 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,756 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,823 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,047 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,082 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,947 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,786 |
| Biggest City by Region | 0 | - | 4.50 | 36,038 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,959 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,120 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,066 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,257 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,003 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,290 |
| Cities of Ireland | 0 | - | 4.51 | 50,411 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,118 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,622 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,330 |
| Biggest Cities in History | 0 | - | 4.52 | 89,257 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,179 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,354 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,890 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,430 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,242 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,767 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,676 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,214 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,942 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,151 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,257 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,125 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,022 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,859 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,719 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,159 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,805 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,133 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,670 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,185 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,829 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,559 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,321 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,991 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,984 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,583 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,864 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,986 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,574 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.25 | 20,293 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,867 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,078 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,319 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,708 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,898 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,485 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,990 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,700 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,490 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,080 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,322 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,468 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,422 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,978 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,994 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,934 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,705 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,321 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,430 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,894 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,878 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,515 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,263 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,798 |
| Flags to Largest Cities | 0 | - | 4.54 | 50,933 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,765 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,447 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,634 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,865 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 221,991 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,039 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,894 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,760 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,976 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,640 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,450 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,866 |
| Countries with Megacities | 0 | - | 4.99 | 248,107 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,748 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,328 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,133 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,274 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,854 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,598 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,913 |
| Cities in European Economic Areas on a Map | 0 | - | 4.69 | 17,141 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,287 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,138 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,520 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,138 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,620 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,934 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,506 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,698 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 22,288 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,623 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 106,638 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,162 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,206 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,451 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,268 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,181 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,415 |
| Biggest Cities in California | 0 | - | 4.35 | 139,365 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,861 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,453 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,239 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,137 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,613 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,738 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,087 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,719 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,560 |
