| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,980 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,979 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,983 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,190 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,850 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,015 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,531 |
| Biggest Cities in the World | 0 | - | 4.91 | 792,769 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,924 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,740 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,667 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,056 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,492 |
| Biggest Cities in Europe | 0 | - | 4.70 | 543,147 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,508 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,227 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,972 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,004 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,166 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,835 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,260 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,223 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,865 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,797 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,965 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,805 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,916 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,315 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,393 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,928 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,956 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,052 |
| Biggest Cities in the United States | 0 | - | 4.93 | 969,934 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,128 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,455 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,568 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,351 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,146 |
| Biggest Cities by Language | 0 | - | 4.96 | 244,502 |
| Largest City by Island | 0 | - | 4.87 | 71,275 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,533 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,828 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,772 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,567 |
| Megacities on a World Map | 0 | - | 4.98 | 251,860 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,688 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,639 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,689 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,961 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,197 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,915 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,065 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,863 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,724 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,289 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,489 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,826 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,192 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,180 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,272 |
| Megacities on an Empty Map | 0 | - | 4.97 | 115,155 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,968 |
| Biggest Cities in France | 0 | - | 4.69 | 222,846 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,232 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,743 |
| Biggest Cities in the UK | 0 | - | 4.47 | 104,375 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,031 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,967 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,985 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,351 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,364 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,645 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,225 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,895 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,639 |
| Cities of Ireland | 0 | - | 4.51 | 50,433 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,710 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,118 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,598 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,878 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,677 |
| Biggest Cities in China | 0 | - | 4.53 | 157,466 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,052 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,863 |
| Biggest Cities in India | 0 | - | 4.70 | 67,445 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,540 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,108 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,956 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,797 |
| Biggest City by Region | 0 | - | 4.50 | 36,043 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,969 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,072 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,262 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,017 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,297 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,844 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,055 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,489 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,139 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,467 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,775 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,683 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,225 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,954 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,122 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,648 |
| Biggest Cities in History | 0 | - | 4.52 | 89,279 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,183 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,880 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,248 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,176 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,271 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,136 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,038 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,744 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,173 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,835 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,163 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,699 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,204 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,619 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,838 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,572 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,334 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,992 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,577 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,881 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,117 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,378 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,931 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,444 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,907 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,992 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,927 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,701 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,494 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,090 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,996 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,992 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,341 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,760 |
| Flags to Largest Cities | 0 | - | 4.54 | 50,957 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,478 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,981 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,468 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,653 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 36,007 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,939 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 222,050 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,438,147 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,424 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,937 |
| Countries with Megacities | 0 | - | 4.99 | 248,275 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,842 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,377 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,227 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,309 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,567 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,270 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,803 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,767 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.25 | 20,303 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,866 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,085 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,921 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,771 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,011 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,668 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,461 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,877 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,923 |
| Cities in European Economic Areas on a Map | 0 | - | 4.69 | 17,178 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,322 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,170 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,612 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,170 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,643 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,967 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,536 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,704 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 22,290 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,648 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 106,657 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,176 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,219 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,457 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,274 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,195 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,427 |
| Biggest Cities in California | 0 | - | 4.35 | 139,401 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,885 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,464 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,248 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,147 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,622 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,898 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,097 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,842 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,604 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,269 |
