| Biggest Cities in the World | 0 | - | 4.91 | 792,327 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,958 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,090 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,682 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,191 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,005 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,811 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,752 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,562 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,852 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,265 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,353 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,885 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,911 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,867 |
| Biggest Cities in the United States | 0 | - | 4.93 | 969,230 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,326 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,400 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,030 |
| Biggest Cities by Language | 0 | - | 4.96 | 243,835 |
| Largest City by Island | 0 | - | 4.87 | 71,221 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,508 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,773 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,677 |
| Megacities on a World Map | 0 | - | 4.98 | 251,676 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,933 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,110 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,181 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,420 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,823 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,235 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,833 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,653 |
| Megacities on an Empty Map | 0 | - | 4.97 | 113,273 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,449 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 221,967 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,622 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,205 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,885 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,871 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,121 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,509 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,615 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,567 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,875 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,016 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,785 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,683 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,066 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,945 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,784 |
| Biggest City by Region | 0 | - | 4.50 | 36,033 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,953 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,062 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,252 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,992 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,288 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,411 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,963 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,730 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,685 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,016 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,841 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,058 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,303 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,604 |
| Biggest Cities in History | 0 | - | 4.52 | 89,249 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,177 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,239 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,910 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,251 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,767 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,426 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,007 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,424 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,173 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,705 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,151 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,798 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,119 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,657 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,176 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,609 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,894 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,989 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,697 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,488 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,314 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,332 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,695 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,175 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,103 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,124 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,857 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,527 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,271 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,839 |
| Countries with Megacities | 0 | - | 4.99 | 248,043 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,711 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,307 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,094 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,261 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,528 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,685 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,877 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,797 |
| Flags to Largest Cities | 0 | - | 4.54 | 50,926 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,432 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,623 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,865 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,024 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,887 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,755 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,966 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,630 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,241 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,276 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,128 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,464 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,128 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,608 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,912 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,486 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,325 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,350 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,845 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,886 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,419 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,763 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,668 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,214 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,625 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,112 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,824 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,553 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,311 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,574 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,858 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,979 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,932 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,647 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,102 |
| Biggest Cities in France | 0 | - | 4.69 | 222,753 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,153 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,723 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,546 |
| Biggest Cities in the UK | 0 | - | 4.47 | 104,333 |
| Biggest Cities in China | 0 | - | 4.52 | 157,368 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,012 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,022 |
| Biggest Cities in India | 0 | - | 4.70 | 67,419 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,889 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,658 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,536 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,698 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,130 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,251 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,619 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,170 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,593 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,764 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,437 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,985 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,978 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,753 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,353 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,818 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,040 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,607 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 106,623 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,156 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,194 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,445 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,262 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,179 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,412 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,723 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,504 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,418 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,779 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,683 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,934 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,385 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,854 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,154 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,328 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,357 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,629 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,818 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,152 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,358 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,300 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,151 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,150 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,916 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,609 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,286 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,483 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,071 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,467 |
