| Biggest Cities in Sweden | 0 | - | 4.85 | 41,065 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,220 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 97,923 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,831 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,473 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,332 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,494 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,831 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,261 |
| Biggest Cities in the World | 0 | - | 4.91 | 794,574 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,237 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,775 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,619 |
| Biggest Cities in Europe | 0 | - | 4.72 | 544,036 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,774 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,372 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,470 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,234 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,513 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,470 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,556 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 131,981 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,114 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,003 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,205 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,607 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,185 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,489 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,546 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,076 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,153 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,381 |
| Biggest Cities in the United States | 0 | - | 4.93 | 972,719 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,980 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,785 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,852 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,849 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,775 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,067 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,336 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,176 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,889 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,424 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,645 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,607 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,059 |
| Largest City by Island | 0 | - | 4.87 | 71,468 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,636 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,152 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,032 |
| Megacities on a World Map | 0 | - | 4.98 | 252,505 |
| 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 | 74,443 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,747 |
| Cities of Ireland | 0 | - | 4.51 | 50,497 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,826 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,226 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,278 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,371 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,078 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,213 |
| Biggest Cities in France | 0 | - | 4.70 | 223,178 |
| Biggest Cities in Spain | 0 | - | 4.64 | 170,538 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,822 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,685 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,907 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,099 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,368 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,480 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,622 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,160 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,717 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,306 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,441 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,410 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,918 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,753 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,903 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,182 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,712 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,942 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,804 |
| Biggest Cities in China | 0 | - | 4.52 | 157,841 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,485 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,901 |
| Biggest Cities in India | 0 | - | 4.70 | 67,547 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,601 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,938 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,147 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,254 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,004 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,517 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,863 |
| Biggest City by Region | 0 | - | 4.50 | 36,078 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,014 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,244 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,116 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,297 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,100 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,326 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,473 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,145 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,868 |
| Biggest Cities in History | 0 | - | 4.52 | 89,857 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,235 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,644 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,297 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,858 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,729 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,289 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,027 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,311 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,327 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,210 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,069 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,889 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,284 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,992 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,295 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,854 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,351 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,682 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,917 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,666 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,398 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,060 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,073 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,779 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,055 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,598 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,011 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,347 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,616 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,349 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 72,950 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,010 |
| 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 | 38,168 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,428 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,520 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,006 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,064 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,992 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,616 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,030 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,545 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,116 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,962 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,327 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,831 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,107 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,797 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.25 | 20,367 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,627 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,802 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,883 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,375 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,247 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,016 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,856 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,142 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,833 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,523 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,444 |
| Countries with Megacities | 0 | - | 4.99 | 249,320 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,298 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,639 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,617 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,617 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 51,027 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,958 |
| Cities in European Economic Areas on a Map | 0 | - | 4.69 | 17,337 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 79,934 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,465 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,339 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,009 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,406 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,123 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,146 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,699 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,744 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,320 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,792 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 106,787 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,265 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,322 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,514 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,339 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,274 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,497 |
| Biggest Cities in California | 0 | - | 4.35 | 139,567 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,949 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,540 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,298 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,181 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,673 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,113 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,121 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,473 |
