| Biggest Cities in Asia | 0 | - | 4.95 | 115,965 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,677 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,002 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,578 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,238 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,668 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,366 |
| Biggest Cities in the World | 0 | - | 4.91 | 793,006 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,100 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,504 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,048 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,902 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,022 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 97,582 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,065 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,043 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,215 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,923 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,285 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,316 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,893 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,037 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,831 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,927 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,954 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,346 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,234 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,416 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,947 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,983 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,115 |
| Biggest Cities in the United States | 0 | - | 4.93 | 970,366 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,533 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,227 |
| Biggest Cities by Language | 0 | - | 4.96 | 244,755 |
| Largest City by Island | 0 | - | 4.87 | 71,312 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,543 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,853 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,811 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,594 |
| Megacities on a World Map | 0 | - | 4.98 | 251,967 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,705 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,847 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,974 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,242 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,940 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,125 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,900 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,753 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,368 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,546 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,751 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,913 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,099 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,315 |
| Biggest Cities in Europe | 0 | - | 4.70 | 543,254 |
| Megacities on an Empty Map | 0 | - | 4.97 | 116,237 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,701 |
| Biggest Cities in China | 0 | - | 4.52 | 157,515 |
| Biggest Cities in India | 0 | - | 4.70 | 67,454 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,008 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 68,654 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,235 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,668 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,723 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,206 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,130 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,210 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,981 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,143 |
| Biggest Cities in France | 0 | - | 4.69 | 222,901 |
| Biggest Cities in Spain | 0 | - | 4.64 | 170,291 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,756 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,577 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,403 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,087 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,036 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,023 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,546 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,127 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,965 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,808 |
| Biggest City by Region | 0 | - | 4.50 | 36,045 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,976 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,081 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,270 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,033 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,762 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,303 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,856 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,066 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,357 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,370 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,158 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,896 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,492 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,786 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,692 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,240 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,965 |
| Cities of Ireland | 0 | - | 4.51 | 50,444 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,124 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,686 |
| Biggest Cities in History | 0 | - | 4.52 | 89,299 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,194 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,252 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,191 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,278 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,154 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,044 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,871 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,758 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,185 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,847 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,177 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,710 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,223 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,856 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,585 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,342 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,613 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 36,884 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,999 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,582 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.25 | 20,312 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,900 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,149 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,401 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,110 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,458 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,912 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,493 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,996 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,963 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,708 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,497 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,106 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,001 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,006 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,360 |
| Flags to Largest Cities | 0 | - | 4.54 | 50,986 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,488 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,984 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,497 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,676 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 36,025 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,955 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 222,099 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,438,471 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,504 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,001 |
| Countries with Megacities | 0 | - | 4.99 | 248,417 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,898 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,405 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,283 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,347 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,887 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,636 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,276 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,810 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,772 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,867 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,102 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,932 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,778 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,023 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,690 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,472 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,896 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,628 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,928 |
| Cities in European Economic Areas on a Map | 0 | - | 4.69 | 17,196 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,347 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,195 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,667 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,202 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,752 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,005 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,554 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,707 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 22,292 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,672 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 106,672 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,189 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,235 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,466 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,291 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,212 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,440 |
| Biggest Cities in California | 0 | - | 4.35 | 139,438 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,903 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,485 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,260 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,158 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,628 |
| Biggest Cities in Texas | 0 | - | 4.28 | 119,035 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,108 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,929 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,642 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,286 |
