| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,814 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,693 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,115 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,059 |
| Biggest Cities in the World | 0 | - | 4.91 | 801,938 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,487 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,252 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,250 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,684 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,302 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,327 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,705 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,442 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,271 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,224 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,902 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 145,922 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,297 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,971 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,889 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,200 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,129 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,480 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,264 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,842 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,374 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,902 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,006 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,391 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,995 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,984 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,635 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,627 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,884 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,383 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,115 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,593 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,576 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,252 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,167 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,120 |
| Largest City by Island | 0 | - | 4.87 | 72,133 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,229 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,300 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,846 |
| Megacities on a World Map | 0 | - | 4.98 | 255,607 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,559 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,274 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,407 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,811 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,335 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,219 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,662 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,639 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,556 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,849 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,822 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,438 |
| 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 | 73,748 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,676 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,525 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,858 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,612 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,386 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,342 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,238 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,134 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,334 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,383 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,806 |
| 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 | 57,215 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,694 |
| 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 | 83,393 |
| 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 | 41,856 |
| 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 | 165,179 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,825 |
| Biggest Cities in History | 0 | - | 4.52 | 90,345 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,397 |
| 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 | 90,901 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,507 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,490 |
| 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 | 68,565 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,519 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,050 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,597 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,836 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,639 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,240 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,680 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,360 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,215 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,935 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,643 |
| 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 | 82,576 |
| Biggest Cities in France | 0 | - | 4.70 | 224,569 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,593 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,120 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,077 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,521 |
| Biggest Cities in China | 0 | - | 4.53 | 159,207 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,153 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,329 |
| Biggest Cities in India | 0 | - | 4.64 | 67,897 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,620 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,507 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,523 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,261 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,102 |
| 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 | 24,862 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,578 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,423 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,750 |
| Cities of Ireland | 0 | - | 4.51 | 50,756 |
| 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 | 140,106 |
| 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 | 1,449,358 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,261 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 107,940 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,926 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,992 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,711 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,015 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,570 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,868 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,269 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,075 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,294 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,312 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,954 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,523 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,040 |
| 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 | 127,002 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,504 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,747 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,112 |
| Countries with Megacities | 0 | - | 4.99 | 265,068 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,923 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,593 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,191 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,662 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,212 |
| 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 | 128,125 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,012 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,363 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,257 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,626 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,816 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,286 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,893 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,420 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,308 |
| 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 | 81,779 |
| Biggest Cities in New Jersey | 0 | - | 4.14 | 28,991 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,218 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,814 |
| 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 |
