| Biggest Cities in the World | 0 | - | 4.92 | 791,079 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,728 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,785 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,155 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,972 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,269 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,577 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,588 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,931 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,679 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,116 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,224 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,801 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,765 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,628 |
| Biggest Cities in the United States | 0 | - | 4.93 | 967,673 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,040 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,657 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,646 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,938 |
| Largest City by Island | 0 | - | 4.87 | 71,103 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,429 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,629 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,209 |
| Megacities on a World Map | 0 | - | 4.98 | 251,204 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,849 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,932 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,902 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,257 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,338 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,123 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,541 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,598 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,603 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,351 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,474 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,565 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,143 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,634 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,687 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,894 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,364 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,522 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,401 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,791 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,875 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,608 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,588 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,973 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,921 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,733 |
| Biggest City by Region | 0 | - | 4.50 | 36,009 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,921 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,035 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,237 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,944 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,266 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,352 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,432 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,677 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,421 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,893 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,493 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,734 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,150 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,463 |
| Biggest Cities in History | 0 | - | 4.52 | 89,173 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,138 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,214 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,891 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 68,212 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,479 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,967 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,178 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,090 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,560 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,016 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,658 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,961 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,260 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,046 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,704 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,875 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,981 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,676 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,475 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,253 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,302 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,664 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,144 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,055 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,992 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,803 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,033 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,893 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,557 |
| Countries with Megacities | 0 | - | 4.99 | 247,449 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,401 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,163 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,817 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,077 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,500 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,641 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,744 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,765 |
| Flags to Largest Cities | 0 | - | 4.55 | 50,844 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,339 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,448 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,854 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,844 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,627 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,665 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,829 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,499 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,070 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,178 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,972 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,215 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,000 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,548 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,766 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,382 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,260 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.61 | 65,323 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,741 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,865 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,309 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,728 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,635 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,183 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,578 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 84,044 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,786 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,516 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,278 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,497 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,814 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,955 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,846 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,582 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,051 |
| Biggest Cities in France | 0 | - | 4.69 | 222,528 |
| Biggest Cities in Spain | 0 | - | 4.63 | 169,986 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,685 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,490 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,239 |
| Biggest Cities in China | 0 | - | 4.53 | 157,136 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,897 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,989 |
| Biggest Cities in India | 0 | - | 4.70 | 67,371 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,632 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,294 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,362 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,679 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,108 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,194 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,451 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,043 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,485 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,670 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,346 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,946 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,939 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,737 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,337 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,757 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 38,990 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,370 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,520 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 106,538 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,082 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,135 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,400 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,221 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.27 | 73,136 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,350 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,587 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,394 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,350 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,693 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,632 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,884 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,306 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,575 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,999 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,204 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,212 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,482 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,735 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,003 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,118 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,120 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,953 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,050 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,862 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,496 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,199 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,456 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,029 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,444 |
