| Biggest Cities in the World | 0 | - | 4.91 | 805,965 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,979 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,018 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,839 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,524 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,514 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,150 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,825 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,280 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,001 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,648 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,753 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,238 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,434 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,484 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,781 |
| Biggest Cities in the United States | 0 | - | 4.94 | 987,521 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,155 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,646 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,716 |
| Largest City by Island | 0 | - | 4.87 | 72,482 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,443 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,728 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,173 |
| Megacities on a World Map | 0 | - | 4.98 | 257,076 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,191 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,787 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,722 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,520 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,722 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,022 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,212 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,448 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,896 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,253 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,535 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,326 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,992 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,851 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,772 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,544 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,135 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,661 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,167 |
| Biggest City by Region | 0 | - | 4.50 | 36,398 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,345 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,314 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,447 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,573 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,580 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,038 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,054 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,114 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,077 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,367 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,725 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,485 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,264 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,949 |
| Biggest Cities in Europe | 0 | - | 4.73 | 549,300 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,716 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,904 |
| Biggest Cities in History | 0 | - | 4.52 | 90,622 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,072 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,545 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,576 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,616 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,471 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,712 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,327 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,793 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 125,164 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,188 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,988 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,608 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,123 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,773 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,185 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,140 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,922 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,926 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,257 |
| Countries with Megacities | 0 | - | 4.99 | 267,315 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,936 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,188 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,255 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,304 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,475 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,621 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,470 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,138 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,035 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,620 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,621 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,785 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,505 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,362 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,105 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.31 | 40,992 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,837 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,824 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,518 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,381 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,860 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,485 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,360 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,289 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,707 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,929 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,255 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,650 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,161 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,999 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,026 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,372 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,850 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,619 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,567 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,213 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,565 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,165 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,125 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,035 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,391 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,486 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,589 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,087 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,314 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,176 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,010 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,544 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,205 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,239 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,462 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,930 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,405 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,719 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,785 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,918 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,211 |
| Jewish Cities Quiz | 0 | - | 4.33 | 62,001 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,385 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,076 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,749 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,630 |
| Cities in Squares on a Map - North America | 0 | - | 4.31 | 21,592 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,404 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,377 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,751 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,533 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,774 |
| Biggest Cities in France | 0 | - | 4.70 | 225,385 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,236 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,293 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,301 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,865 |
| Biggest Cities in China | 0 | - | 4.53 | 159,955 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,539 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,468 |
| Biggest Cities in India | 0 | - | 4.64 | 68,073 |
| Biggest Cities in Italy | 0 | - | 4.77 | 242,479 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,586 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,811 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,856 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,899 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,934 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.03 | 67,695 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,704 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.35 | 81,920 |
| Biggest U.S. Cities A-Z | 0 | - | 4.68 | 139,622 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,863 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,924 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,557 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,218 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,530 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,876 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,789 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,698 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,976 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,914 |
| Boundary Waters | 0 | - | 4.92 | 88,784 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,424 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,732 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,385 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,993 |
| Most Populous Islands | 0 | - | 4.80 | 123,361 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,386 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,656 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,644 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,212 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,002 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,952 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,988 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,901 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,008 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,506 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,587 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,824 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,702 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,556 |
