| Biggest Cities in the World | 0 | - | 4.91 | 793,064 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,955 |
| Biggest Cities in the United States | 0 | - | 4.93 | 970,455 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,546 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,047 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,226 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,946 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,290 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,344 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,900 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,837 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,965 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,349 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,421 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,949 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,989 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,119 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,877 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,258 |
| Biggest Cities by Language | 0 | - | 4.96 | 244,806 |
| Largest City by Island | 0 | - | 4.87 | 71,318 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,546 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,858 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,820 |
| Megacities on a World Map | 0 | - | 4.98 | 251,985 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,977 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,257 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,374 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,556 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,319 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,978 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,681 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,122 |
| Megacities on an Empty Map | 0 | - | 4.97 | 116,358 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,507 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 68,655 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,237 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,044 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,009 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,241 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,599 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,709 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,672 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,945 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,129 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,906 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,761 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,460 |
| Biggest Cities in Europe | 0 | - | 4.70 | 543,280 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,132 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,965 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,810 |
| Biggest City by Region | 0 | - | 4.50 | 36,045 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,977 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,755 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,923 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,085 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,271 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,036 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,103 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,306 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,073 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,914 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,589 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,022 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 97,590 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,238 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,014 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,689 |
| Biggest Cities in History | 0 | - | 4.52 | 89,305 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,194 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,255 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,931 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,280 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,367 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,764 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,190 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,857 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,182 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,714 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,228 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,155 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,415 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,148 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,913 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,996 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,708 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,498 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,208 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,132 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,363 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,219 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,902 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,707 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,725 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,438,575 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,528 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,022 |
| Countries with Megacities | 0 | - | 4.99 | 248,447 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,912 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,418 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,299 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,357 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,548 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,971 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,811 |
| Flags to Largest Cities | 0 | - | 4.54 | 50,993 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,501 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,681 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,867 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,111 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,936 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,783 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,028 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,695 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,334 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,473 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,360 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,371 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,897 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,493 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,788 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,692 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,241 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,668 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,348 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,204 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,683 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,209 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,794 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,009 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,556 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,899 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,161 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,858 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,588 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,342 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,618 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 36,885 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,002 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,983 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,703 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,147 |
| Biggest Cities in France | 0 | - | 4.69 | 222,907 |
| Biggest Cities in Spain | 0 | - | 4.64 | 170,300 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,759 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,581 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,406 |
| Biggest Cities in China | 0 | - | 4.52 | 157,540 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,089 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,036 |
| Biggest Cities in India | 0 | - | 4.70 | 67,458 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,035 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,951 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,652 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,288 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,724 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,256 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,662 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,829 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,546 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,367 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,680 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 106,678 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,190 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,238 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,467 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,293 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,214 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,443 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,841 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,582 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,469 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,837 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,725 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,969 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,456 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,066 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,312 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,414 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,464 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,723 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,874 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,239 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,711 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,146 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,494 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,107 |
| Biggest Axis-Controlled Cities | 0 | - | 4.43 | 48,704 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,004 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,010 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,762 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,489 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,859 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,069 |
| Cities of Ireland | 0 | - | 4.51 | 50,447 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,125 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 36,025 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,958 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,542 |
