| Biggest Cities in the World | 0 | - | 4.91 | 794,702 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,248 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,529 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,501 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,576 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,038 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,121 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,012 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,642 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,194 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,498 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,558 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,085 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,163 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,407 |
| Biggest Cities in the United States | 0 | - | 4.93 | 972,903 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,013 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,671 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,629 |
| Largest City by Island | 0 | - | 4.87 | 71,482 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,644 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,285 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,050 |
| Megacities on a World Map | 0 | - | 4.98 | 252,535 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,858 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,062 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,452 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,770 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,844 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,880 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,498 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,263 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,778 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,665 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,623 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,720 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,308 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,360 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,224 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,510 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,267 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,004 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,866 |
| Biggest City by Region | 0 | - | 4.50 | 36,080 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,016 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,802 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,871 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,864 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,119 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,299 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,105 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,076 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,347 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,197 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,901 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,329 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,370 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,638 |
| Biggest Cities in Europe | 0 | - | 4.72 | 544,190 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,839 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,265 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,272 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,495 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,458 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,886 |
| Biggest Cities in History | 0 | - | 4.52 | 89,870 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,236 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,300 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,332 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,897 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,289 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,999 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,307 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,865 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,354 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 72,954 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,011 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,728 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,515 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,436 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,238 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,779 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,069 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 97,947 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,379 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,430 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,471 |
| Countries with Megacities | 0 | - | 4.99 | 249,376 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,320 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,653 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,642 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,626 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,286 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,186 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,380 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,776 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,066 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,063 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,834 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,883 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,260 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,019 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,862 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,152 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,844 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,528 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,549 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,606 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,131 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,118 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,648 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,811 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,400 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,477 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,345 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,033 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,425 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,128 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,160 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,706 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,451 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,413 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 51,033 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,921 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,661 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,861 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,733 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,959 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,292 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,757 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,510 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,045 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,745 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,179 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,369 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,956 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,470 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,797 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,966 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,661 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,746 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,256 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,921 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,670 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,403 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,721 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,393 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,947 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,058 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,084 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,807 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,215 |
| Biggest Cities in France | 0 | - | 4.70 | 223,198 |
| Biggest Cities in Spain | 0 | - | 4.64 | 170,551 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,826 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,691 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,912 |
| Biggest Cities in China | 0 | - | 4.52 | 157,864 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,503 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,100 |
| Biggest Cities in India | 0 | - | 4.70 | 67,547 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,394 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,804 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 106,801 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,273 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,333 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,521 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,347 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,279 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,506 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,015 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,122 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,889 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 75,881 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 90,582 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,001 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,275 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,859 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,579 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,672 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,065 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,079 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,781 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,945 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,154 |
| Most Populous Islands | 0 | - | 4.80 | 122,654 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,254 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,473 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,911 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,742 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,584 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,417 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,718 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,065 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,868 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,050 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,504 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,208 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,518 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,171 |
