| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,978 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,878 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,687 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,911 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,826 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,946 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,967 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,551 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,019 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,178 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,064 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,085 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,173 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,584 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,246 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,610 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,537 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,066 |
| Biggest Cities in the United States | 0 | - | 4.94 | 976,005 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,615 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,535 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,002 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,283 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,965 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,992 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,442 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,245 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,707 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,167 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,530 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,710 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,540 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,812 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 62,232 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,409 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,908 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,046 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,080 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,058 |
| Largest City by Island | 0 | - | 4.87 | 71,707 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,804 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,705 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,277 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,364 |
| Megacities on a World Map | 0 | - | 4.98 | 253,549 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,230 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,741 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,800 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,280 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,532 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,697 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,956 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,146 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,384 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,481 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,919 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,110 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,920 |
| Biggest Cities in Europe | 0 | - | 4.73 | 545,557 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,148 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,505 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,771 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,029 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,805 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,415 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,930 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,395 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,128 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,174 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,246 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.69 | 64,864 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,686 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,381 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,423 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,052 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,567 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,924 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,453 |
| Biggest City by Region | 0 | - | 4.50 | 36,129 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,058 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,957 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,760 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,845 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,485 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,157 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,916 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,330 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,175 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,781 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,346 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,885 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,818 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,029 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,373 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,118 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,475 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,123 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,211 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,935 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,324 |
| Biggest Cities in France | 0 | - | 4.70 | 223,642 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,903 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,908 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,804 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,092 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,838 |
| Biggest Cities in China | 0 | - | 4.52 | 158,266 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,706 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,169 |
| Biggest Cities in India | 0 | - | 4.63 | 67,677 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,798 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,405 |
| Biggest Cities in History | 0 | - | 4.52 | 90,025 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 76,397 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,362 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,403 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,319 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,030 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,266 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,141 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,471 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,225 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,542 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,141 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,909 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,664 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,006 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,554 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,036 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,379 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,759 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,538 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,257 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 116,436 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,376 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,542 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,263 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,566 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,142 |
| Cities of Ireland | 0 | - | 4.51 | 50,573 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,949 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,178 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,913 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,023 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,153 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,038 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,772 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,534 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,790 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,701 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,937 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,136 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,876 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,620 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,613 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,042 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,136 |
| Biggest Cities in California | 0 | - | 4.35 | 139,729 |
| Biggest Cities in Florida | 0 | - | 4.24 | 72,046 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,601 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,362 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,221 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,912 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,725 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,238 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,162 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,520 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,172 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,987 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,383 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,073 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,600 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,751 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,079 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,571 |
| Countries with Megacities | 0 | - | 4.99 | 260,860 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,463 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,696 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,934 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,289 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,020 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,213 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,389 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,034 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,944 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,784 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 51,196 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 48,839 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,992 |
| Colour in the Flag Map by Guessing Cities #2 | 0 | - | 4.72 | 49,510 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,357 |
| Cities in European Economic Areas on a Map | 0 | - | 4.69 | 17,512 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,022 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,230 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,440 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,499 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,643 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,450 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,407 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,621 |
