| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,266 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 80,356 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,769 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,797 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,200 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,072 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,520 |
| Biggest Cities in the World | 0 | - | 4.91 | 798,601 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,937 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,051 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,950 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,311 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,758 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,547 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,298 |
| Biggest Cities in the United States | 0 | - | 4.94 | 978,169 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,098 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,904 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,492 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,975 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,300 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,760 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,785 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,493 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,860 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,460 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,019 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,436 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,611 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,279 |
| Biggest Cities in California | 0 | - | 4.35 | 139,861 |
| Biggest Cities in Florida | 0 | - | 4.24 | 72,098 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,668 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,399 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,251 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,772 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,329 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,186 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,260 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,381 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,039 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,211 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,505 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,370 |
| Largest City by Island | 0 | - | 4.87 | 71,849 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,965 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,929 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,476 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,062 |
| Megacities on a World Map | 0 | - | 4.98 | 254,456 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,045 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,333 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,904 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,679 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,610 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,410 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,328 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,193 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,275 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,387 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,962 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 46,054 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,193 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,694 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,544 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,550 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 27,903 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,161 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,745 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,883 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,636 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,930 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,980 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,586 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,183 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,418 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,890 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,026 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,243 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,898 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,517 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 86,794 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,963 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,826 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,390 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,095 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,816 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,540 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,477 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,290 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,038 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,177 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,193 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,243 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,743 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,559 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,081 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,975 |
| Biggest City by Region | 0 | - | 4.50 | 36,213 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,134 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,322 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,453 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,183 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,349 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,243 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,410 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,568 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,637 |
| Biggest Cities in History | 0 | - | 4.52 | 90,135 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,380 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,468 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,979 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,402 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 116,975 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,403 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,984 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,080 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,454 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,299 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,068 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,399 |
| Biggest Cities in France | 0 | - | 4.70 | 223,946 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,117 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,989 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,887 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,235 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,893 |
| Biggest Cities in China | 0 | - | 4.53 | 158,563 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,847 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,209 |
| Biggest Cities in India | 0 | - | 4.64 | 67,737 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,048 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 23,899 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,333 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,628 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,401 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,974 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,375 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,091 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,826 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,128 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,325 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,133 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,746 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,041 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,588 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,063 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,566 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,818 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,548 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,613 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,371 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,595 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,383 |
| Cities of Ireland | 0 | - | 4.51 | 50,652 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,186 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,052 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,131 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,004 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,433 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,268 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,936 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,159 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,817 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,951 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,935 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,834 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,180 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,980 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,924 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,736 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,303 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,111 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,568 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,242 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,421 |
| Countries with Megacities | 0 | - | 4.99 | 263,202 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,254 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,223 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,549 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,254 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 63,617 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,015 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,639 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,630 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,065 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,234 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,885 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,707 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,730 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,757 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,600 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,875 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,383 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,526 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,597 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,423 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,867 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,133 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,299 |
