| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,390 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,807 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,912 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,645 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,436 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,386 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,607 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,610 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,374 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,555 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,227 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,099 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,674 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,712 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,037 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,927 |
| Biggest Cities in the United States | 0 | - | 4.93 | 967,968 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,108 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,808 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,878 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,302 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,046 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,542 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,668 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,634 |
| 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 | 117,438 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,722 |
| 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 | 78,949 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,157 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,260 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,603 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,819 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,799 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,682 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,768 |
| Biggest Cities by Language | 0 | - | 4.96 | 238,083 |
| Largest City by Island | 0 | - | 4.87 | 71,131 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,440 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,653 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,352 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,693 |
| Megacities on a World Map | 0 | - | 4.98 | 251,282 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,470 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,804 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,872 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,956 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,924 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,973 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,568 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,972 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,284 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,908 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,799 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,974 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,156 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,555 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,636 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,654 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,577 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,154 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,330 |
| 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 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,309 |
| Biggest Cities in California | 0 | - | 4.35 | 139,281 |
| 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 | 118,682 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,065 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,526 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,285 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,960 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 84,064 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,150 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,060 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,019 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,384 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,503 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,994 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,922 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,271 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,747 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,329 |
| Biggest City by Region | 0 | - | 4.50 | 36,017 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,927 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,039 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,871 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,042 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,242 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,243 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,950 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,269 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,587 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,296 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,513 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,822 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,861 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,599 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,067 |
| Biggest Cities in France | 0 | - | 4.69 | 222,583 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,027 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,697 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,504 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,252 |
| Biggest Cities in China | 0 | - | 4.53 | 157,201 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,918 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,995 |
| Biggest Cities in India | 0 | - | 4.70 | 67,379 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,686 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 27,133 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,024 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,595 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,731 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,446 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,778 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,899 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,418 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,069 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,304 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,779 |
| Biggest Cities in Indiana | 0 | - | 4.27 | 26,853 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,498 |
| Biggest Cities in History | 0 | - | 4.52 | 89,191 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,149 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,221 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,742 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,565 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,219 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,773 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,005 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,588 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,040 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,685 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,988 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,277 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,069 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,659,789 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,890 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,365 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,878 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,463 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,983 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,777 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,681 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,478 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,863 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,264 |
| Flags to Largest Cities | 0 | - | 4.55 | 50,861 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,449 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 22,276 |
| Cities of Ireland | 0 | - | 4.51 | 50,370 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,106 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,368 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,525 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,509 |
| Vietnam War Countries | 0 | - | 4.83 | 93,691 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,646 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,334 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,958 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,903 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,183 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,569 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,771 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,736 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,562 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 30,998 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,844 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,858 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 23,785 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,886 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,744 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,682 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,852 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,521 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,423 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,197 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,628 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,025 |
| Countries with Megacities | 0 | - | 4.99 | 247,571 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,276 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,026 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,465 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,563 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,206 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,880 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,814 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,131 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,410 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,666 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,768 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,895 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,961 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,550 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 106,564 |
