| Biggest Cities in the World | 0 | - | 4.91 | 798,001 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,117 |
| Biggest Cities in the United States | 0 | - | 4.94 | 977,412 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,944 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,818 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,370 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,771 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,210 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,537 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,712 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,429 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,763 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 58,267 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,959 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,204 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,555 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,169 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,728 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,435 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,275 |
| Largest City by Island | 0 | - | 4.87 | 71,803 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,898 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,853 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,392 |
| Megacities on a World Map | 0 | - | 4.98 | 254,259 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,306 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,866 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,494 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,252 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,069 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,851 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,989 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,276 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,306 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,907 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,878 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,497 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,177 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,682 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,194 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,185 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,191 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,305 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,337 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,715 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,716 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,147 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,718 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,068 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,508 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,070 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,958 |
| Biggest City by Region | 0 | - | 4.50 | 36,188 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,115 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,036 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,936 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,174 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,343 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,224 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,632 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,397 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,290 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,861 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 46,015 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,180 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,580 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,523 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,483 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,514 |
| Biggest Cities in History | 0 | - | 4.52 | 90,100 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,107 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,392 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,003 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,439 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,529 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,272 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,581 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,348 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,767 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,296 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,035 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,855 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,065 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,789 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,029 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,051 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,800 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,545 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,453 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,280 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,582 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 65,739 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,189 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,807 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,221 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,739 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,101 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,293 |
| Countries with Megacities | 0 | - | 4.99 | 262,654 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,132 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,140 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,429 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,184 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,725 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,508 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,917 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,336 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,992 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,098 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,918 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,673 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,270 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,070 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,512 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,186 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,039 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,633 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,610 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,460 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,974 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,935 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,943 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,804 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,369 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,878 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,843 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,659 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,642 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,815 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,353 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,480 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,025 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 63,150 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,421 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,069 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,799 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,520 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,948 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,058 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,152 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,269 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,028 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,374 |
| Biggest Cities in France | 0 | - | 4.70 | 223,868 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,049 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,964 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,855 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,184 |
| Biggest Cities in China | 0 | - | 4.53 | 158,463 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,792 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,196 |
| Biggest Cities in India | 0 | - | 4.63 | 67,718 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,971 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,578 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,532 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,562 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,365 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,830 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,089 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,264 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,870 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,459 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,079 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,297 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,484 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,549 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,679 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,482 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,433 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,655 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,898 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,205 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,155 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,681 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,221 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,512 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,184 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,049 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,084 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,890 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,042 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,094 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,210 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,785 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,832 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,244 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,586 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,300 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 48,852 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,166 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,214 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,817 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,586 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,093 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,302 |
| Cities of Ireland | 0 | - | 4.51 | 50,640 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,182 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,174 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,060 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,743 |
