| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,650 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,853 |
| Biggest Cities in the World | 0 | - | 4.91 | 792,260 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,548 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,797 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,443 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,948 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,085 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,660 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,175 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,982 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,807 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,745 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,530 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,846 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,259 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,345 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,879 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,903 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,858 |
| Biggest Cities in the United States | 0 | - | 4.93 | 969,128 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,311 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,865 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,108 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,420 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,169 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,350 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,015 |
| Biggest Cities by Language | 0 | - | 4.96 | 243,684 |
| Largest City by Island | 0 | - | 4.87 | 71,215 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,504 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,762 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,660 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,497 |
| Megacities on a World Map | 0 | - | 4.98 | 251,637 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,604 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,929 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,098 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,871 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,007 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,774 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,678 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,161 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,330 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,408 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,229 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,923 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,726 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,658 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,012 |
| Megacities on an Empty Map | 0 | - | 4.97 | 112,760 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,824 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,619 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,202 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,754 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,003 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,411 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,822 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,173 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,100 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,111 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,060 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,945 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,680 |
| 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 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,062 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,250 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,988 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,287 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,644 |
| Biggest Cities in China | 0 | - | 4.52 | 157,354 |
| Biggest Cities in India | 0 | - | 4.70 | 67,414 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,527 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,752 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,048 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,282 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,596 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,321 |
| Biggest Cities in History | 0 | - | 4.52 | 89,246 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,177 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,345 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,884 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,414 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,239 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,760 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,668 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,211 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,246 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,107 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,624 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,937 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,700 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,149 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,789 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,111 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,652 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,168 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,564 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,890 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,989 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,697 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,488 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,106 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,307 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,821 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,552 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,309 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,568 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,852 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,974 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,928 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,098 |
| Biggest Cities in France | 0 | - | 4.69 | 222,744 |
| 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 | 53,541 |
| Biggest Cities in the UK | 0 | - | 4.47 | 104,323 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,010 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,018 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,865 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,449 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,233 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,812 |
| Countries with Megacities | 0 | - | 4.99 | 248,009 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,689 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,299 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,071 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,249 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,407 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,873 |
| 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 Cities Near a Border | 0 | - | 4.22 | 31,797 |
| Flags to Largest Cities | 0 | - | 4.54 | 50,918 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,814 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,039 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,427 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,613 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,865 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 221,945 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,018 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,883 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,750 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,955 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,625 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,446 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,480 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,067 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,467 |
| Cities of Ireland | 0 | - | 4.51 | 50,400 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,115 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,990 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,928 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,270 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,118 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,430 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,119 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,603 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,898 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,479 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,838 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,481 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,909 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,759 |
| Cities in European Economic Areas on a Map | 0 | - | 4.69 | 17,129 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,017 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,857 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.25 | 20,280 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,874 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,260 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,573 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,854 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,628 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,523 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,696 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,129 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,246 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,608 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,158 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,584 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,760 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,405 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,695 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,591 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,352 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 22,286 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,975 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,600 |
| 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 | 80,191 |
| 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 | 81,409 |
| Biggest Cities in California | 0 | - | 4.35 | 139,345 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,857 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,447 |
