| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,819 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,695 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,129 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,064 |
| Biggest Cities in the World | 0 | - | 4.91 | 801,962 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,489 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,253 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,251 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,687 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,305 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,331 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,706 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,444 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,275 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,230 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,906 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 146,029 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,300 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,978 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,891 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,202 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,133 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,483 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,267 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,852 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,374 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,906 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,008 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,393 |
| Biggest Cities in the United States | 0 | - | 4.94 | 982,018 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,990 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,640 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,631 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,902 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,396 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,117 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,597 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,580 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,254 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,173 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,122 |
| Largest City by Island | 0 | - | 4.87 | 72,134 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,230 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,305 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,847 |
| Megacities on a World Map | 0 | - | 4.98 | 255,616 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,561 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,274 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,410 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,814 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,335 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,229 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,662 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,644 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,562 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,849 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,823 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,439 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,313 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,111 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,752 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,676 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,526 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,860 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,615 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,387 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,344 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,238 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,148 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,335 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,384 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,808 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,583 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,064 |
| Biggest City by Region | 0 | - | 4.50 | 36,300 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,216 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,695 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,241 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,388 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,394 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,652 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,478 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,858 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,311 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,150 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 165,182 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,825 |
| Biggest Cities in History | 0 | - | 4.52 | 90,346 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,407 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,521 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,035 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 90,908 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,507 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,491 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,072 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,911 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,453 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,566 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,521 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,050 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,598 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,836 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,641 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,241 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,682 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,362 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,217 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,937 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,644 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,880 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,272 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,487 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,288 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,579 |
| Biggest Cities in France | 0 | - | 4.70 | 224,573 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,595 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,121 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,077 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,524 |
| Biggest Cities in China | 0 | - | 4.53 | 159,213 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,154 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,331 |
| Biggest Cities in India | 0 | - | 4.64 | 67,898 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,622 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,511 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,525 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,275 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,103 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,637 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,101 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,863 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,578 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,425 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,750 |
| Cities of Ireland | 0 | - | 4.51 | 50,757 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,107 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,216 |
| Biggest Cities in California | 0 | - | 4.35 | 140,108 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,238 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,785 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,451 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,315 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,726 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,862 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,469 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,220 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,383 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,264 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 107,941 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,929 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,992 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,714 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,015 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,571 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,868 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,270 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,079 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,295 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,313 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,954 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,524 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,041 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,488 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,264 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,005 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,506 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,748 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,117 |
| Countries with Megacities | 0 | - | 4.99 | 265,085 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,928 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,598 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,199 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,668 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,214 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,066 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,405 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,127 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,013 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,369 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,259 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,628 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,817 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,289 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,893 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,421 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,310 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,535 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,648 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,712 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,806 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,580 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,551 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,780 |
| Biggest Cities in New Jersey | 0 | - | 4.14 | 28,992 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,218 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,815 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,943 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,992 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 20,026 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,658 |
