| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 706,877 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,336,014 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,898 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,879 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,165,736 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,653 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,082 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,555 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.54 | 89,752 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,695 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,030 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,649 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,467 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,239 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,280 |
| Jewish Cities Quiz | 0 | - | 4.31 | 55,729 |
| Biggest Cities in Japan | 0 | - | 4.72 | 66,489 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,720 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,703 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,136 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,574 |
| Biggest Cities in Poland | 0 | - | 4.72 | 40,086 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,642 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,861 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,807 |
| Biggest Cities Starting With C | 0 | - | 3.99 | 79,264 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,633 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,355 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,334 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,868 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,570 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,421 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,610 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 93,144 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 20,971 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,018 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,390 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,189 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,437 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,313 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.06 | 57,175 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,874 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,700 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,403 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,294 |
| Biggest U.S. Cities A-Z | 0 | - | 4.54 | 109,008 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,763 |
| Biggest Cities in France | 0 | - | 4.52 | 161,267 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,655 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,762 |
| Biggest Cities in California | 0 | - | 4.30 | 119,775 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,366 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 570,473 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,840 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,015 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,262 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,663 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,853 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,173 |
| Biggest Cities in Europe | 0 | - | 4.57 | 403,202 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,484 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,238 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,669 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,539 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 131,240 |
| Biggest Cities in China | 0 | - | 4.42 | 118,047 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,028 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 126,468 |
| Biggest Cities in Germany | 0 | - | 4.94 | 226,041 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,391 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,577 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,396 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,741 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,329 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,055 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,735 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,296 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,437 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,750 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,563 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,363 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,145 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,178 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,678 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,789 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,734 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,141 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,521 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,187 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,629 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,200 |
| Biggest Cities in India | 0 | - | 4.51 | 54,785 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,848 |
| Biggest City by Island | 0 | - | 4.49 | 42,182 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,876 |
| Biggest Cities in History | 0 | - | 4.49 | 70,434 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,800 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,851 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,263 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,270 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,174 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,149 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 24,022 |
| U.S. States with the Lowest Population Density | 0 | - | 4.90 | 74,479 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,824 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,912 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,797 |
| Biggest City by Region | 0 | - | 4.50 | 29,067 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 39,161 |
| Biggest City by Region #2 | 0 | - | 4.46 | 19,779 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,423 |
| Biggest European Cities by Century | 0 | - | 4.96 | 104,983 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 81,654 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,538 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 113,175 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,418 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,864 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,062 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,107 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,333 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,572 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,484 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,859 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,143 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,403 |
| Cities of Ireland | 0 | - | 4.39 | 35,630 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,801 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,884 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,004 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,304 |
| Countries With More Than 100 Million People | 0 | - | 4.97 | 100,507 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 118,048 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 123,175 |
| Top 10 Least Populous U.S. States | 0 | - | 4.95 | 146,587 |
| Cities of China (With Some Help) | 0 | - | 4.76 | 23,489 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 33,831 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,657 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,289 |
| Countries with Megacities | 0 | - | 4.99 | 175,292 |
| Countries of Europe by Population | 0 | - | 4.98 | 108,237 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 167,998 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 126,903 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 123,194 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,386 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,617 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,614 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,498 |
| Megacities on a World Map | 0 | - | 4.97 | 199,191 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 171,180 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,778 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,134 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,446 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,608 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,034 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,396 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 85,497 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.98 | 71,943 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 83,490 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 307,652 |
| Countries With More than 50 Million People | 0 | - | 4.98 | 124,806 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,235 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,955 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.56 | 34,642 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,867 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 433,368 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,023 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,903 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 53,715 |
| All Cities in China with Population of 1 Million | 0 | - | 4.66 | 27,432 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,083 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,812 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 32,348 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,121 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.93 | 78,227 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,332 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 75,889 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 86,921 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,107 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,486 |
| Largest World Capitals with Exceptions | 0 | - | 4.66 | 37,553 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,980 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 98,875 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,212 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,287 |
| Biggest Cities Near a Border | 0 | - | 4.11 | 14,543 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,405 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 260,897 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,389 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,732 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,526 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 112,138 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.33 | 22,135 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 85,946 |
| Ten Southernmost Megacities | 0 | - | 4.67 | 32,350 |
| Biggest Cities by Trait #2 | 0 | - | 4.31 | 12,260 |
| Flags to Largest Cities | 0 | - | 4.55 | 22,899 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,628 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,419 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,840 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,150 |
