| Biggest Cities in the World | 0 | - | 4.91 | 798,065 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,829 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,379 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,798 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,224 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,564 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,720 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,435 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,149 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,772 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 58,460 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,967 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,231 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,561 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,177 |
| Biggest Cities in the United States | 0 | - | 4.94 | 977,504 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,961 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,449 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,289 |
| Largest City by Island | 0 | - | 4.87 | 71,810 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,899 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,861 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,397 |
| Megacities on a World Map | 0 | - | 4.98 | 254,288 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,760 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,310 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,870 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,510 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,261 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,294 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,079 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,863 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,995 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,311 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,914 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,281 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,588 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,355 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,813 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,309 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,044 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,880 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,499 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,191 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,688 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,208 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,513 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,070 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,960 |
| Biggest City by Region | 0 | - | 4.50 | 36,190 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,116 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,190 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,196 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,318 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,175 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,343 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,225 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,339 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,720 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,723 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,157 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,399 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,683 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,276 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,077 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,520 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,191 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,865 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,075 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,078 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,039 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,951 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,639 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,301 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,832 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,521 |
| Biggest Cities in History | 0 | - | 4.52 | 90,102 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,139 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,394 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,439 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,029 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,052 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,801 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,545 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,586 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,873 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 46,016 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,181 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,592 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,524 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,532 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,307 |
| Countries with Megacities | 0 | - | 4.99 | 262,712 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,148 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,146 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,447 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,192 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,455 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,283 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 65,774 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,805 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,117 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,225 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,921 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,919 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,720 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,725 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,519 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,339 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,997 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,102 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,933 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,849 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,663 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,654 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,822 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,355 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,486 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,030 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,611 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,461 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 63,209 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,974 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,937 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,946 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,806 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,003 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,371 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,878 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,598 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,538 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,833 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,244 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,573 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,372 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,834 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,095 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,267 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,875 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,807 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,424 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,074 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,799 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,525 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,950 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,460 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,063 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,154 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,273 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,037 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,375 |
| Biggest Cities in France | 0 | - | 4.70 | 223,880 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,055 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,966 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,862 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,188 |
| Biggest Cities in China | 0 | - | 4.53 | 158,472 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,795 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,197 |
| Biggest Cities in India | 0 | - | 4.63 | 67,720 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,987 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,084 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,300 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,485 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,551 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,681 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,483 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,434 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,656 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,192 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,902 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,210 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,159 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,686 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,223 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,515 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,187 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,894 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,047 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,167 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,217 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,820 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,095 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,302 |
| Most Populous Islands | 0 | - | 4.80 | 122,882 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,294 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,525 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,751 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,750 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,219 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,774 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,798 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,401 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,178 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,195 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,871 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,373 |
| 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 | 48,853 |
