| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,722 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,677 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,590 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,766 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,802 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,647 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,435 |
| Biggest Cities in the World | 0 | - | 4.91 | 792,177 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,102 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,847 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,841 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,092 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,493 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,600 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,540 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,497 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,869 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,005 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,765 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,666 |
| Biggest Cities in the United States | 0 | - | 4.93 | 969,007 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,302 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,941 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,073 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,872 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,625 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,169 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,953 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,800 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,738 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,625 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,309 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,840 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,257 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,001 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,341 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,875 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,897 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,849 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,801 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,998 |
| Biggest Cities by Language | 0 | - | 4.96 | 243,508 |
| Largest City by Island | 0 | - | 4.87 | 71,207 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,500 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,751 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,640 |
| Megacities on a World Map | 0 | - | 4.98 | 251,602 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,925 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,085 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,148 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,738 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,419 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,999 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,396 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,165 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,812 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,402 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,223 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,894 |
| Megacities on an Empty Map | 0 | - | 4.97 | 112,273 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,327 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,343 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,820 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,609 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,199 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,758 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,922 |
| Biggest Cities in the UK | 0 | - | 4.47 | 104,318 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,172 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,981 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,974 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,097 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,752 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,104 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,807 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 143,465 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,525 |
| Cities of Ireland | 0 | - | 4.51 | 50,396 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,932 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,054 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,944 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,316 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,782 |
| Biggest City by Region | 0 | - | 4.50 | 36,032 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,949 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,883 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,548 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,406 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,309 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,061 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,758 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,249 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,985 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,665 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,209 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,563 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,850 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,286 |
| 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 | 64,120 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,973 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,640 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,097 |
| Biggest Cities in France | 0 | - | 4.69 | 222,731 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,131 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,717 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,539 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,621 |
| Biggest Cities in China | 0 | - | 4.52 | 157,340 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,004 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,014 |
| Biggest Cities in India | 0 | - | 4.70 | 67,409 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,849 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,583 |
| Biggest Cities in History | 0 | - | 4.52 | 89,243 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,174 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,239 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,240 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,103 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,809 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,037 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,695 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,138 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,780 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,106 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,644 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,158 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,406 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,890 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,478 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,989 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,857 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,696 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,487 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,066 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,471 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,257 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,304 |
| Flags to Largest Cities | 0 | - | 4.54 | 50,914 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,465 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,017 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,855 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,115 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,424 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,612 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,985 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,925 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 221,932 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,359 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,209 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,035 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,269 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,509 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,796 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,568 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,572 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,975 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,852 |
| Biggest Cities in California | 0 | - | 4.35 | 139,339 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,852 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,445 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,231 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,133 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,864 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,607 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,727 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,080 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,010 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,880 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,744 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,949 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,617 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,444 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,260 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,796 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,114 |
| Countries with Megacities | 0 | - | 4.99 | 247,960 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,415 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,113 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,676 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,598 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,292 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,059 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,891 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,243 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,472 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,690 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,830 |
| Biggest Axis-Controlled Cities | 0 | - | 4.43 | 48,669 |
| 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 | 17,123 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,599 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 106,617 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,147 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,189 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,441 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,258 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,174 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,407 |
