| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,725 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,679 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,591 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,791 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,819 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,650 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,442 |
| Biggest Cities in the World | 0 | - | 4.91 | 792,241 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,104 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,862 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,851 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,107 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,496 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,603 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,547 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,527 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,871 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,006 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,774 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,673 |
| Biggest Cities in the United States | 0 | - | 4.93 | 969,119 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,309 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,946 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,082 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,873 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,657 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,174 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,976 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,807 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,745 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,652 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,342 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,846 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,259 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,006 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,342 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,879 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,901 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,858 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,819 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,011 |
| Biggest Cities by Language | 0 | - | 4.96 | 243,659 |
| Largest City by Island | 0 | - | 4.87 | 71,215 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,503 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,761 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,656 |
| Megacities on a World Map | 0 | - | 4.98 | 251,632 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,928 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,095 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,160 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,751 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,420 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,001 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,406 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,169 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,821 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,406 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,228 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,917 |
| Megacities on an Empty Map | 0 | - | 4.97 | 112,689 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,330 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,345 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,821 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,617 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,202 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,759 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,927 |
| Biggest Cities in the UK | 0 | - | 4.47 | 104,323 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,172 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,982 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,974 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,099 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,752 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,110 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,809 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 143,474 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,527 |
| Cities of Ireland | 0 | - | 4.51 | 50,400 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,937 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,060 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,945 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,321 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,784 |
| Biggest City by Region | 0 | - | 4.50 | 36,032 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,951 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,884 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,550 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,411 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,309 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,062 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,760 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,250 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,987 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,668 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,211 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,567 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,851 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,287 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,931 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,127 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,974 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,644 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,098 |
| Biggest Cities in France | 0 | - | 4.69 | 222,743 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,140 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,720 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,540 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,624 |
| Biggest Cities in China | 0 | - | 4.52 | 157,352 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,010 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,018 |
| Biggest Cities in India | 0 | - | 4.70 | 67,414 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,864 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,594 |
| Biggest Cities in History | 0 | - | 4.52 | 89,245 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,176 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,239 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,246 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,105 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,811 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,039 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,699 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,147 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,788 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,109 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,649 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,164 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,407 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,890 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,479 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,989 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,865 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,697 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,488 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,067 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,481 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,259 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,307 |
| Flags to Largest Cities | 0 | - | 4.54 | 50,917 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,467 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,017 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,857 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,115 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,427 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,612 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,990 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,928 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 221,942 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,433 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,228 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,046 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,279 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,556 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,797 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,568 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,573 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,975 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,854 |
| Biggest Cities in California | 0 | - | 4.35 | 139,345 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,856 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,447 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,232 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,137 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,865 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,608 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,729 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,085 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,016 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,882 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,748 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,952 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,623 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,446 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,269 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,807 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,116 |
| Countries with Megacities | 0 | - | 4.99 | 248,000 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,426 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,118 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,686 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,600 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,298 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,065 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,898 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,248 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,478 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,694 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,838 |
| Biggest Axis-Controlled Cities | 0 | - | 4.43 | 48,670 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,909 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 22,286 |
| Cities in European Economic Areas on a Map | 0 | - | 4.69 | 17,129 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,599 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 106,618 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,149 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,190 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,443 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,259 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,174 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,408 |
