| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,157 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,751 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,064 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,793 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,470 |
| Biggest Cities in the World | 0 | - | 4.91 | 799,129 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,853 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,318 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,038 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,110 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,018 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,554 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,096 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,210 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,566 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,287 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,985 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,609 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,152 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,392 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,988 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,861 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,425 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,550 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,840 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,780 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,964 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,787 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,389 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,077 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,559 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,668 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,447 |
| Biggest Cities in the United States | 0 | - | 4.94 | 978,711 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,327 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,237 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,275 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,578 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,450 |
| Largest City by Island | 0 | - | 4.87 | 71,892 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,021 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,475 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,990 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,554 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,347 |
| Megacities on a World Map | 0 | - | 4.98 | 254,656 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,330 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,346 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,364 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,967 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.90 | 81,686 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,838 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,931 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,273 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,725 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,415 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,155 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,280 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,492 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,444 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,021 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,839 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,100 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,520 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,920 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,545 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,581 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,501 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,304 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,257 |
| Biggest Cities in France | 0 | - | 4.70 | 224,042 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,188 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,006 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,225 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,133 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,757 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,594 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,091 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,996 |
| Biggest City by Region | 0 | - | 4.50 | 36,229 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,146 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,192 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,355 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,277 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,421 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,261 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,670 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,991 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 88,722 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,982 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,841 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,407 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,600 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,181 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,625 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,922 |
| Cities of Ireland | 0 | - | 4.51 | 50,667 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,594 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,611 |
| Biggest Cities in History | 0 | - | 4.52 | 90,171 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,567 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,959 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,419 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,602 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,472 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,406 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,992 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,379 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,674 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,452 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,020 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,424 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,144 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.80 | 72,980 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,107 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,837 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,561 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,197 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,120 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,437 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,915 |
| Biggest Cities in China | 0 | - | 4.53 | 158,655 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,890 |
| Biggest Cities in India | 0 | - | 4.64 | 67,763 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,131 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,212 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,452 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,778 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,056 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,593 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,066 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,626 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,825 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,555 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,334 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,205 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,258 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,633 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,845 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,405 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,150 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,343 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,189 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,096 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,161 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,219 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,084 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,093 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,026 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,414 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,526 |
| Countries with Megacities | 0 | - | 4.99 | 263,563 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,369 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,287 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,649 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,322 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,131 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,417 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,951 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,197 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,932 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,792 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,341 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,140 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,614 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,290 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,675 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 63,774 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,029 |
| Cities in European Economic Areas on a Map | 0 | - | 4.70 | 17,661 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,642 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,266 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,374 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,910 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,736 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,849 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,932 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,409 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,562 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,094 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,822 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,389 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,069 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,143 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,367 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,524 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,587 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,712 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,508 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,471 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,691 |
| Biggest Cities in California | 0 | - | 4.35 | 139,906 |
| Biggest Cities in Florida | 0 | - | 4.24 | 72,123 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,688 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,412 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,264 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,656 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,782 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,356 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,197 |
