| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,692 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,653 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,973 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,430 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,362 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,598 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,609 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,370 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,525 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,222 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,804 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,867 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,290 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,042 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,526 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,664 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,671 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,630 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,712 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,027 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,719 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,153 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,927 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,259 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,818 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,796 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,674 |
| Biggest Cities in the United States | 0 | - | 4.93 | 967,947 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,103 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 84,062 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,390 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,538 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,435 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,782 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,807 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,908 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,644 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,598 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,764 |
| Biggest Cities by Language | 0 | - | 4.96 | 237,567 |
| Largest City by Island | 0 | - | 4.87 | 71,129 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,440 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,648 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,342 |
| Megacities on a World Map | 0 | - | 4.98 | 251,275 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,871 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,954 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,967 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,206 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,281 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,467 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,921 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,565 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,155 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,543 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,863 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,634 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,099 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,684 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,576 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,153 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,612 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,309 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,328 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,398 |
| Cities of Ireland | 0 | - | 4.51 | 50,368 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,799 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,150 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,060 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,736 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,014 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,861 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,250 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,503 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,569 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,953 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,947 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,741 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,993 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,922 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,747 |
| Biggest City by Region | 0 | - | 4.50 | 36,016 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,927 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,042 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,243 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,949 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,268 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,857 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,497 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,271 |
| Biggest Cities in History | 0 | - | 4.52 | 89,186 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,148 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,871 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,327 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,218 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,732 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,642 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,188 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,906 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,063 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,218 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,047 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,587 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,586 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,038 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,682 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,985 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,276 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,067 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,526 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,284 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,509 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,822 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,960 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,599 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,066 |
| Biggest Cities in France | 0 | - | 4.69 | 222,577 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,026 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,696 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,772 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,501 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,005 |
| Biggest Cities in China | 0 | - | 4.53 | 157,197 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,384 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,917 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,995 |
| Biggest Cities in India | 0 | - | 4.70 | 67,378 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,682 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,888 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,181 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,872 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,877 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,463 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,983 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,681 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,478 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,039 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,263 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,449 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,106 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,972 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,908 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,298 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,954 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,362 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,776 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,292 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,242 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,771 |
| Flags to Largest Cities | 0 | - | 4.55 | 50,859 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 30,998 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,843 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,365 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,519 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,857 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,504 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,885 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,737 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,680 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,851 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,521 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,423 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,626 |
| Countries with Megacities | 0 | - | 4.99 | 247,560 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,459 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,203 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,877 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,129 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,765 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,895 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,565 |
| Cities in European Economic Areas on a Map | 0 | - | 4.69 | 17,052 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,562 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,809 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,196 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,023 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,275 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,025 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,562 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,813 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,409 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,666 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 22,276 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,960 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,545 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 106,562 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,100 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,149 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,411 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,235 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.27 | 73,148 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,364 |
| Biggest Cities in California | 0 | - | 4.35 | 139,280 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,818 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,431 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,219 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,117 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,599 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,681 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,065 |
