| Biggest Cities in Mexico | 0 | - | 4.52 | 39,279 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,825 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,118 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,173 |
| Biggest Cities in the World | 0 | - | 4.91 | 797,539 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,774 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,945 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,874 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,794 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,986 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,164 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,484 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,508 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,710 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,240 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,585 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,110 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,304 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,610 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,080 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,358 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,611 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,853 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,673 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 55,095 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,123 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,889 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 63,898 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,498 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,058 |
| Biggest Cities in the United States | 0 | - | 4.94 | 976,794 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,787 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,118 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,147 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,239 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,496 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,303 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,674 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,633 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,120 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,059 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,517 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,202 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,185 |
| Largest City by Island | 0 | - | 4.87 | 71,764 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,852 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,793 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,336 |
| Megacities on a World Map | 0 | - | 4.98 | 253,843 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,276 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,813 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,390 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,193 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,007 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,591 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,000 |
| Biggest Cities in Europe | 0 | - | 4.73 | 545,858 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,709 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,147 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,195 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,231 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,429 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,848 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,470 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,619 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,204 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,855 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,167 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,052 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,388 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,432 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,267 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 65,428 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,235 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,991 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,347 |
| Biggest Cities in France | 0 | - | 4.70 | 223,787 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,991 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,940 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,826 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,138 |
| Biggest Cities in China | 0 | - | 4.53 | 158,388 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,756 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,182 |
| Biggest Cities in India | 0 | - | 4.63 | 67,700 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,894 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,474 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,064 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,946 |
| Biggest City by Region | 0 | - | 4.50 | 36,147 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,071 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,393 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,169 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,335 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,209 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,391 |
| Cities of Ireland | 0 | - | 4.51 | 50,610 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,050 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,179 |
| Biggest Cities in California | 0 | - | 4.35 | 139,774 |
| Biggest Cities in Florida | 0 | - | 4.24 | 72,058 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,619 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,378 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,229 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,738 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,267 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,165 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,463 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,597 |
| Biggest Cities in History | 0 | - | 4.52 | 90,066 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 76,825 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,457 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,965 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,887 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,375 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,935 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,792 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,357 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,425 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,156 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,967 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,197 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,512 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,276 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,598 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,207 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,951 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,047 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,782 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,506 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,807 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,917 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,042 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,138 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,166 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,785 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,011 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,521 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,020 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,572 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,046 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,772 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,543 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,276 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,565 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,580 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 27,260 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,147 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,714 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,865 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,609 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,903 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,967 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,558 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,168 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,405 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,875 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,001 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,204 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,940 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,696 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,460 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,939 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 116,585 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,889 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,309 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,823 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.25 | 20,466 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,949 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,068 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,917 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,870 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,592 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,210 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,015 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,442 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,125 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 505,959 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,620 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,200 |
| Countries with Megacities | 0 | - | 4.99 | 262,031 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,049 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,089 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,351 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,127 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 62,083 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,785 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,996 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,811 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,615 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,554 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,757 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,322 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,442 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,994 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,798 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,367 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,053 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,271 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,464 |
