| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,222 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,355 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,743 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,755 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,192 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,067 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,372 |
| Biggest Cities in the World | 0 | - | 4.91 | 798,277 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,890 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,020 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,930 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,237 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,708 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,452 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,245 |
| Biggest Cities in the United States | 0 | - | 4.94 | 977,859 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,037 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,866 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,424 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,878 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,263 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,657 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,755 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,455 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,803 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,148 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,992 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,344 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,581 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,222 |
| Biggest Cities in California | 0 | - | 4.35 | 139,836 |
| Biggest Cities in Florida | 0 | - | 4.24 | 72,084 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,649 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,389 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,240 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,762 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,315 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,179 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,216 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,341 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,881 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,172 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,474 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,319 |
| Largest City by Island | 0 | - | 4.87 | 71,825 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,914 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,891 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,421 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,048 |
| Megacities on a World Map | 0 | - | 4.98 | 254,371 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,975 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,317 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,879 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,660 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,555 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,344 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,292 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,122 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,158 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,352 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,900 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 46,026 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,186 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,633 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,529 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,541 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 27,276 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,158 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,738 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,876 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,623 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,973 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,576 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,175 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,413 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,885 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,017 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,234 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,889 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,505 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,964 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,949 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,812 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,375 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,084 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,809 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,532 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,461 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,288 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 65,901 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,163 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,180 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,230 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,730 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,534 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,076 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,965 |
| Biggest City by Region | 0 | - | 4.50 | 36,205 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,127 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,311 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,431 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,177 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,345 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,233 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,403 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,541 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,625 |
| Biggest Cities in History | 0 | - | 4.52 | 90,111 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,247 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,463 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,977 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,395 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 116,901 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,398 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,966 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,069 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,447 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,284 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,050 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,383 |
| Biggest Cities in France | 0 | - | 4.70 | 223,909 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,075 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,975 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,877 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,200 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,887 |
| Biggest Cities in China | 0 | - | 4.53 | 158,496 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,823 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,201 |
| Biggest Cities in India | 0 | - | 4.64 | 67,729 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,011 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 23,891 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,310 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,605 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,377 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,946 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,346 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,068 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,822 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,107 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,315 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,954 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,736 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,033 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,587 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,054 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,542 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,811 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,547 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,596 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,354 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,591 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,377 |
| Cities of Ireland | 0 | - | 4.51 | 50,650 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,184 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,018 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,114 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,973 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,095 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,185 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,892 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,098 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,809 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,948 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,931 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,828 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,174 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,977 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,921 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,707 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,289 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,099 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,541 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,214 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,364 |
| Countries with Megacities | 0 | - | 4.99 | 262,950 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,196 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,178 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,500 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,218 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 63,402 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,004 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,635 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,625 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,062 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,211 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,870 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,676 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,656 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,692 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,565 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,843 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,365 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,501 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,587 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,395 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,850 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,107 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,282 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,878 |
