| Biggest Cities in the World | 0 | - | 4.92 | 790,505 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,663 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,701 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,964 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,878 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,072 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,501 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,536 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,666 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,593 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,062 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,176 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,759 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,695 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,541 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,774 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,812 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,320 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,497 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,863 |
| Largest City by Island | 0 | - | 4.87 | 71,054 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,396 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,558 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,681 |
| Megacities on a World Map | 0 | - | 4.98 | 250,998 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,804 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,875 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,784 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,163 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,086 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,052 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,360 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,572 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,519 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,301 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,383 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,539 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,122 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,497 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,605 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,808 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,295 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,459 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,306 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,742 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,799 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,513 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,542 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,921 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,906 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,708 |
| Biggest City by Region | 0 | - | 4.50 | 35,997 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,904 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,021 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,222 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,923 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,260 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,319 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,205 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,655 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 124,270 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,837 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,311 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,639 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,015 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,401 |
| Biggest Cities in History | 0 | - | 4.52 | 89,135 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,122 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,188 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,882 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 68,199 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,329 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,946 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,039 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,069 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,517 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 115,972 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,605 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,916 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,191 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 125,998 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,052 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,863 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,978 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,667 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,464 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,223 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,288 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,652 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,116 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,032 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,931 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,783 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,190 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,671 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,265 |
| Countries with Megacities | 0 | - | 4.99 | 246,979 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,154 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,994 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,570 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,892 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,478 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,607 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,679 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,750 |
| Flags to Largest Cities | 0 | - | 4.55 | 50,793 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,301 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,408 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,843 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,791 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,602 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,633 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,783 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,453 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,993 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,124 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,849 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,945 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,896 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,500 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,616 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,281 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,236 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.61 | 65,311 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,681 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,857 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,259 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,709 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,621 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,171 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,557 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 84,008 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,761 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,484 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,253 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,452 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,785 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,928 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,800 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,529 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,027 |
| Biggest Cities in France | 0 | - | 4.69 | 222,155 |
| Biggest Cities in Spain | 0 | - | 4.63 | 169,854 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,658 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,456 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,158 |
| Biggest Cities in China | 0 | - | 4.53 | 157,038 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,839 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,962 |
| Biggest Cities in India | 0 | - | 4.70 | 67,338 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,490 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,116 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,251 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,656 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,091 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,156 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,352 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,949 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,415 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,605 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,307 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,933 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,917 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,719 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,333 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,733 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 38,971 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,345 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,484 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 106,496 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,057 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,107 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,380 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,204 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.27 | 73,121 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,324 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,488 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,307 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,287 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,617 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,579 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,819 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,228 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,475 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,937 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,133 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,120 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,426 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,690 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,930 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,990 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,017 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,871 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,002 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,831 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,412 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,152 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,453 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,004 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,429 |
