| Biggest Cities in Sweden | 0 | - | 4.85 | 41,201 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,033 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,753 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,751 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,515 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,397 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,367 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,138 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,733 |
| Biggest Cities in the World | 0 | - | 4.91 | 798,988 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,016 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,098 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,996 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,421 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,079 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,562 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,265 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,971 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,583 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,105 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,378 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,925 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,842 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,541 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,820 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,714 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,938 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,736 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,063 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,530 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,652 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,358 |
| Biggest Cities in the United States | 0 | - | 4.94 | 978,561 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,206 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,330 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,314 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,440 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,265 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.90 | 81,496 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,822 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,881 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,260 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,574 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,563 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,420 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,304 |
| Largest City by Island | 0 | - | 4.87 | 71,882 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,006 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,973 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,541 |
| Megacities on a World Map | 0 | - | 4.98 | 254,580 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,355 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,956 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,699 |
| Cities of Ireland | 0 | - | 4.51 | 50,662 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,405 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,132 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,497 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,200 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,316 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,427 |
| Biggest Cities in France | 0 | - | 4.70 | 224,023 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,167 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,001 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,909 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,258 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,219 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,111 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,264 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,428 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,573 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,913 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,537 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,662 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,472 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,990 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,918 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,957 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,300 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,002 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,094 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,106 |
| Biggest Cities in China | 0 | - | 4.53 | 158,621 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,874 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,991 |
| Biggest Cities in India | 0 | - | 4.64 | 67,756 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,755 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,144 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,336 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,580 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,089 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,592 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,988 |
| Biggest City by Region | 0 | - | 4.50 | 36,225 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,142 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,503 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,188 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,352 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,267 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,418 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,615 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,189 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,601 |
| Biggest Cities in History | 0 | - | 4.52 | 90,163 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,514 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 88,468 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,411 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,975 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,838 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,400 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,180 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,592 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,467 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,394 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,193 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,362 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,658 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,440 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,012 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,407 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,131 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.80 | 72,368 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,103 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,828 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,558 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,203 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,254 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,843 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,194 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,640 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,259 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,994 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,191 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,368 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,053 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,066 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,825 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,554 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,332 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,626 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,599 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,069 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,215 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,083 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,856 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,376 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,768 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,608 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,085 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,417 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,948 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,393 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,837 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.25 | 20,496 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,084 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,153 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,931 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,066 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,776 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,326 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,133 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,605 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,282 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,665 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,484 |
| Countries with Megacities | 0 | - | 4.99 | 263,488 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,330 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,265 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,623 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,298 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 63,747 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,026 |
| Cities in European Economic Areas on a Map | 0 | - | 4.70 | 17,646 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,362 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,896 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,722 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,831 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,916 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,398 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,547 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,091 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,820 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,388 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,140 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,361 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,521 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,584 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,709 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,504 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,464 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,686 |
| Biggest Cities in California | 0 | - | 4.35 | 139,895 |
| Biggest Cities in Florida | 0 | - | 4.24 | 72,119 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,685 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,410 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,260 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,652 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,780 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,351 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,197 |
