| Biggest Cities in the World | 0 | - | 4.91 | 792,378 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,964 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,097 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,705 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,206 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,029 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,818 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,754 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,600 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,857 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,268 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,360 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,890 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,914 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,869 |
| Biggest Cities in the United States | 0 | - | 4.93 | 969,313 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,348 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,045 |
| Biggest Cities by Language | 0 | - | 4.96 | 243,932 |
| Largest City by Island | 0 | - | 4.87 | 71,229 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,511 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,779 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,685 |
| Megacities on a World Map | 0 | - | 4.98 | 251,689 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,433 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,933 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,121 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,192 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,424 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,844 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,240 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,846 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,654 |
| Megacities on an Empty Map | 0 | - | 4.97 | 113,520 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,455 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,624 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,208 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,893 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,882 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,125 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,073 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,947 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,784 |
| Biggest City by Region | 0 | - | 4.50 | 36,033 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,957 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,515 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,625 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,578 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,064 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,253 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,995 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,880 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,020 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,793 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,684 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,288 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,066 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,309 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,990 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,731 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,697 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,021 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,859 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,638 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,610 |
| Biggest Cities in History | 0 | - | 4.52 | 89,252 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,179 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,239 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,252 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,709 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,155 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,800 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,126 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,660 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,177 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,894 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,989 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,697 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,490 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,316 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,775 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,440 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,008 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,432 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,173 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,332 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,846 |
| Countries with Megacities | 0 | - | 4.99 | 248,057 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,720 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,312 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,103 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,266 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,177 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,104 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,127 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,595 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,280 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,689 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,797 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,865 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,028 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,891 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,757 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,971 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,635 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,448 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,416 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,530 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,879 |
| Flags to Largest Cities | 0 | - | 4.54 | 50,928 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,436 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,624 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 221,973 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,281 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,132 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,480 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,131 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,614 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,924 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,496 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,328 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,351 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,848 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,886 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,423 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,764 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,669 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,910 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,214 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,626 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,673 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,546 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,698 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,130 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,254 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,624 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,176 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,599 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,770 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,452 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,695 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,117 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,825 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,555 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,315 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,575 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,354 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,859 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,979 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,937 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,651 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,103 |
| Biggest Cities in France | 0 | - | 4.69 | 222,760 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,167 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,726 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,546 |
| Biggest Cities in the UK | 0 | - | 4.47 | 104,337 |
| Biggest Cities in China | 0 | - | 4.52 | 157,380 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,018 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,024 |
| Biggest Cities in India | 0 | - | 4.70 | 67,421 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,898 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,608 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 106,627 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,156 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,197 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,445 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,262 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,179 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,412 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,859 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,732 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,510 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,421 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,783 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,683 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,935 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,391 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,334 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,364 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,988 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,980 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,753 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,818 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,042 |
| Most Populous Islands | 0 | - | 4.79 | 122,088 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,222 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,432 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,370 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,307 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,160 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,155 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,660 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,921 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,611 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,936 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,289 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,052 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,483 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,074 |
