| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 705,923 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,164,620 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,571 |
| Island Countries Quiz | 0 | - | 4.99 | 575,742 |
| World's Biggest Islands Quiz | 0 | - | 4.15 | 116,171 |
| Islands by Country #1 | 0 | - | 4.86 | 149,133 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,241 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.54 | 89,659 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,634 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 98,950 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,510 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,191 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,039 |
| Most Populous Islands | 0 | - | 4.64 | 102,574 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,413 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,596 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,640 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,496 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,023 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,749 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,698 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,562 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,247 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,758 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,452 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,322 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,927 |
| Biggest U.S. Cities A-Z | 0 | - | 4.53 | 108,892 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,598 |
| Biggest Cities in France | 0 | - | 4.51 | 161,045 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,482 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,547 |
| Biggest Cities in California | 0 | - | 4.30 | 119,692 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 569,785 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,813 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,930 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,617 |
| Biggest Cities in Europe | 0 | - | 4.56 | 402,795 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,557 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,488 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 131,153 |
| Biggest Cities in China | 0 | - | 4.41 | 117,814 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 126,368 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,773 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,264 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,661 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,716 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,545 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,705 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,097 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,402 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,136 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,573 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,043 |
| Biggest Cities in India | 0 | - | 4.52 | 54,728 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,754 |
| Islands by Largest City #1 | 0 | - | 4.45 | 78,244 |
| Biggest City by Island | 0 | - | 4.49 | 42,137 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,773 |
| Biggest Cities in History | 0 | - | 4.49 | 70,308 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,762 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,197 |
| Islands A-Z | 0 | - | 4.41 | 90,898 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,147 |
| Islands by Country #2 | 0 | - | 4.67 | 62,867 |
| Asian Islands | 0 | - | 4.42 | 18,132 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,212 |
| Islands by Shape #2 | 0 | - | 4.81 | 40,155 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,133 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,105 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 23,983 |
| U.S. States with the Highest Population Density | 0 | - | 4.46 | 54,869 |
| U.S. States with the Lowest Population Density | 0 | - | 4.90 | 74,429 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,787 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,699 |
| Biggest City by Region | 0 | - | 4.50 | 29,007 |
| Largest Islands of Greece | 0 | - | 4.53 | 25,199 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 39,092 |
| Biggest City by Region #2 | 0 | - | 4.46 | 19,734 |
| Biggest European Cities by Century | 0 | - | 4.97 | 104,883 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 81,588 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 71,827 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,452 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 113,082 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,217 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 54,590 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.91 | 57,433 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 56,796 |
| Islands by Largest City #2 | 0 | - | 4.56 | 23,814 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,036 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 59,029 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,298 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,523 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,801 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,058 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,331 |
| Largest Indonesian Islands | 0 | - | 4.52 | 34,584 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,775 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,694 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.56 | 68,213 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,920 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,275 |
| Countries With More Than 100 Million People | 0 | - | 4.97 | 100,411 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 118,115 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,882 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 123,059 |
| Top 10 Least Populous U.S. States | 0 | - | 4.95 | 146,482 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,426 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,761 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,612 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,079 |
| Countries with Megacities | 0 | - | 4.99 | 173,521 |
| Countries of Europe by Population | 0 | - | 4.98 | 108,111 |
| Countries with Multiple Big Islands | 0 | - | 4.91 | 97,451 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 167,778 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 126,753 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 122,777 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,343 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,510 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,511 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,466 |
| Megacities on a World Map | 0 | - | 4.97 | 198,919 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 153,721 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,736 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 94,215 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 72,911 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,565 |
| Most Populous Countries by Year | 0 | - | 4.77 | 78,790 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,005 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 73,603 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.42 | 60,551 |
| East Asian Islands on the Map | 0 | - | 4.49 | 27,464 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 85,393 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.96 | 52,652 |
| Largest World's Islands on the World Map | 0 | - | 4.56 | 121,586 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.98 | 71,871 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.85 | 124,812 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 83,379 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 301,067 |
| Countries With More than 50 Million People | 0 | - | 4.98 | 124,685 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,903 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.54 | 34,608 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,830 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 432,776 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,925 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.54 | 25,782 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,814 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 53,593 |
| African Island Countries | 0 | - | 4.95 | 79,852 |
| Asian Island Nations | 0 | - | 4.65 | 69,113 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 27,318 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,054 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,653 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 30,528 |
| Countries with Multiple Populous Islands | 0 | - | 4.78 | 70,742 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,032 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.93 | 78,116 |
| Richest Island Countries | 0 | - | 4.77 | 66,183 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,249 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 75,829 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 86,824 |
| Most Populous Country by First Two Letters | 0 | - | 4.64 | 60,078 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,043 |
| Islands by Satellite Image #1 | 0 | - | 4.65 | 51,824 |
| Largest World Capitals with Exceptions | 0 | - | 4.65 | 37,374 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,924 |
| Most Populous Islands of Europe | 0 | - | 4.41 | 20,220 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,375 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,164 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,267 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,818 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 98,665 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,175 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,233 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,363 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 260,399 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,171 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,663 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 112,012 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 85,847 |
| Ten Southernmost Megacities | 0 | - | 4.67 | 32,314 |
| Countries with the Most People Bordering Them | 0 | - | 4.96 | 66,211 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.47 | 39,895 |
| People Born on Islands | 0 | - | 4.41 | 37,030 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.92 | 44,749 |
| Flags to Largest Cities | 0 | - | 4.55 | 22,806 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,425 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,381 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,062 |
| Demographics Multiple Choice | 0 | - | 4.54 | 36,187 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,630 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 44,882 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 50,596 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 49,181 |
| Densest Countries Bordering Each Other | 0 | - | 4.88 | 57,384 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 83,262 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 66,830 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,621 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 27,271 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.82 | 41,801 |
