| Biggest Cities in the World | 0 | - | 4.91 | 795,097 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,295 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,610 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,630 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,636 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,185 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,173 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,052 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,791 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,248 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,531 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,626 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,117 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,209 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,538 |
| Biggest Cities in the United States | 0 | - | 4.93 | 973,517 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,113 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,068 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,770 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,717 |
| Largest City by Island | 0 | - | 4.87 | 71,521 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,661 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,468 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,087 |
| Megacities on a World Map | 0 | - | 4.98 | 252,656 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,093 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,519 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,855 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,896 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,052 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,541 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,334 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,792 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,780 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,653 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,464 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,732 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,337 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,448 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,290 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,579 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,854 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,914 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,919 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,105 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,411 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,260 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,937 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,293 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,016 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,875 |
| Biggest City by Region | 0 | - | 4.50 | 36,087 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,021 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,128 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,304 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,120 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,333 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,576 |
| Biggest Cities in Europe | 0 | - | 4.72 | 544,521 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,861 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,341 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,327 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,612 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,445 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,685 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 151,921 |
| Biggest Cities in History | 0 | - | 4.52 | 89,906 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,246 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,313 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,967 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,343 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,321 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,823 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,081 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,018 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,408 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,972 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,353 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,062 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,391 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,958 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,658 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,776 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 72,968 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,013 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,733 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,518 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,458 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,446 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,753 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,305 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,197 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,426 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,041 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,303 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,204 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,568 |
| Countries with Megacities | 0 | - | 4.99 | 249,558 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,411 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,720 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,759 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,685 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,623 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,088 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,182 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,837 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,147 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,730 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,874 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,887 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,345 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,072 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,901 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,218 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,912 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,636 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,520 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,382 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,103 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,475 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,163 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,204 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,759 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,467 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,417 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 51,063 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,930 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,707 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,867 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,741 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,302 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,773 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,284 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,929 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,693 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,419 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,744 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,969 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,068 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,105 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,834 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,233 |
| Biggest Cities in France | 0 | - | 4.70 | 223,288 |
| Biggest Cities in Spain | 0 | - | 4.64 | 170,622 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,840 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,716 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,959 |
| Biggest Cities in China | 0 | - | 4.52 | 157,920 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,533 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,118 |
| Biggest Cities in India | 0 | - | 4.70 | 67,575 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,461 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,664 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,116 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,756 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,185 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,397 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,008 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,527 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,835 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,010 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,716 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,074 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,101 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,783 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,404 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,958 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,181 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,871 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,019 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,320 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,379 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,552 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,388 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,317 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,536 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,183 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,955 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 75,959 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 91,534 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,057 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,335 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,935 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,503 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,668 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,630 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,724 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,880 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,026 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,480 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,065 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,082 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,698 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,471 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,086 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,903 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,540 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,524 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,187 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,529 |
