| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,189 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 124,329 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,761 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,431 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,581 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,316 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,552 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,642 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,785 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,842 |
| Biggest Cities in the United States | 0 | - | 4.93 | 967,155 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,922 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,692 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,740 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,042 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,917 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,151 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,533 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,557 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,633 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,079 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,199 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,774 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,245 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,320 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,486 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,354 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,459 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,768 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,827 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,550 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,563 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,559 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,892 |
| Largest City by Island | 0 | - | 4.87 | 71,072 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,413 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,586 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,972 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,667 |
| Megacities on a World Map | 0 | - | 4.98 | 251,087 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,819 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,900 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,859 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,840 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,381 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,198 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,081 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,299 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,555 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,379 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,956 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,097 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,079 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,489 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,291 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,623 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,549 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,134 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,130 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,038 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,951 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,746 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 38,980 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,947 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,914 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,721 |
| Biggest City by Region | 0 | - | 4.50 | 36,005 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,910 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 84,019 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,023 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,228 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,933 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,263 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,947 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,894 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,421 |
| Biggest Cities in History | 0 | - | 4.52 | 89,154 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,126 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.61 | 65,320 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,768 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,860 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,494 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,282 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,262 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,198 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,717 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,631 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,174 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,470 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,796 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 68,204 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,820 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,544 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,038 |
| Biggest Cities in France | 0 | - | 4.69 | 222,381 |
| Biggest Cities in Spain | 0 | - | 4.63 | 169,925 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,669 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,474 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,186 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,566 |
| Biggest Cities in China | 0 | - | 4.53 | 157,082 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,863 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,971 |
| Biggest Cities in India | 0 | - | 4.70 | 67,354 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,547 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,793 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,535 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 115,994 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,631 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,937 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,223 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,020 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,939 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,925 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,728 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,560 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,357 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,379 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,335 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,866 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,455 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,978 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,707 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,672 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,468 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,018 |
| Biggest Axis-Controlled Cities | 0 | - | 4.43 | 48,616 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,232 |
| Flags to Largest Cities | 0 | - | 4.55 | 50,814 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,434 |
| Cities of Ireland | 0 | - | 4.51 | 50,345 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,948 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,098 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,316 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,423 |
| Biggest Cities in California | 0 | - | 4.35 | 139,229 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,801 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,426 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,210 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,081 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,586 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,648 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,052 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,413 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,548 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,774 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,685 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,075 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,553 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,858 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,109 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,228 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,757 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,728 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 30,984 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,821 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,847 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,814 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,615 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,651 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,802 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,481 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,435 |
| Countries with Megacities | 0 | - | 4.99 | 247,245 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,272 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,088 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,705 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,006 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,706 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,886 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 27,123 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,014 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,583 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,723 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,429 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,766 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,891 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,407 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,060 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,295 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,772 |
| Biggest Cities in Indiana | 0 | - | 4.27 | 26,847 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.89 | 98,775 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.86 | 113,486 |
| Countries that Start with A - Shape Quiz | 0 | - | 4.92 | 33,798 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.94 | 82,317 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,344 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 153,001 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 41,818 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 126,657 |
| South America Flags Map Quiz | 0 | - | 4.95 | 86,684 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,144 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,879 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,194 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,019 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,300 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,939 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,520 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,656 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,174 |
