| Biggest Cities in the World | 0 | - | 4.91 | 793,297 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,073 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,260 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 223,028 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,322 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,430 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,930 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,860 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,056 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,005 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,363 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,443 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,968 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 67,011 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,144 |
| Biggest Cities in the United States | 0 | - | 4.93 | 970,820 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,621 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,319 |
| Biggest Cities by Language | 0 | - | 4.96 | 244,989 |
| Largest City by Island | 0 | - | 4.87 | 71,336 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,558 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,873 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,854 |
| Megacities on a World Map | 0 | - | 4.98 | 252,069 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,010 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,993 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,283 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,407 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,605 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,207 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,348 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,020 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,693 |
| Megacities on an Empty Map | 0 | - | 4.97 | 116,781 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,521 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,668 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,251 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,095 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,036 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,270 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,149 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,971 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,815 |
| Biggest City by Region | 0 | - | 4.50 | 36,052 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 56,982 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,631 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,729 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,691 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,089 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,272 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,046 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,959 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,152 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,963 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,781 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,309 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,185 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,442 |
| Biggest Cities in Europe | 0 | - | 4.70 | 543,365 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,764 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,962 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,119 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,131 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,319 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,709 |
| Biggest Cities in History | 0 | - | 4.52 | 89,318 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,199 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,264 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,285 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,783 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,209 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,876 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,198 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,730 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,258 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,926 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,998 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,712 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,502 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,372 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,954 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,651 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,026 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 97,646 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,265 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,373 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,087 |
| Countries with Megacities | 0 | - | 4.99 | 248,577 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,964 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,450 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,340 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,395 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,217 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,138 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,238 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,438,908 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,591 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,737 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,811 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,870 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,132 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,950 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,798 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,036 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,715 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,478 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,469 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,560 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,996 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,015 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,526 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,706 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 222,140 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,362 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,221 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,742 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,239 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,029 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,028 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,576 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,369 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,378 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,919 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,900 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,528 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,804 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,698 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,934 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,249 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,678 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,013 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,690 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,718 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,151 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,297 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,757 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,280 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,674 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,849 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,563 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,718 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,171 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,872 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,610 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,354 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,626 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,373 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,889 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,012 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,992 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,716 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,158 |
| Biggest Cities in France | 0 | - | 4.69 | 222,938 |
| Biggest Cities in Spain | 0 | - | 4.64 | 170,324 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,766 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,594 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,419 |
| Biggest Cities in China | 0 | - | 4.53 | 157,605 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,109 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,042 |
| Biggest Cities in India | 0 | - | 4.70 | 67,475 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,085 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,702 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 106,703 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,203 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,255 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,477 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,307 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,230 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,453 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,918 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,879 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,606 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,484 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,849 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,731 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,977 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,472 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,440 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,486 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,014 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,024 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,762 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,872 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,081 |
| Most Populous Islands | 0 | - | 4.79 | 122,156 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,228 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,442 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,589 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,492 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,359 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,278 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,678 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,979 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,717 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,984 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,379 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,111 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,497 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,117 |
