| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.91 | 738,102 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,396,106 |
| World Capitals Quiz | 0 | - | 5.00 | 4,101,742 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,233,789 |
| Biggest Cities in Texas | 0 | - | 4.24 | 105,127 |
| Biggest Cities in Washington State | 0 | - | 4.36 | 26,107 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,206,545 |
| Biggest Urban Areas in the UK | 0 | - | 4.38 | 159,669 |
| Biggest Cities in New Jersey | 0 | - | 4.03 | 23,176 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 298,575 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.60 | 92,657 |
| Biggest English-Speaking Cities | 0 | - | 4.38 | 130,076 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.82 | 101,988 |
| Biggest Cities by Language | 0 | - | 4.95 | 200,101 |
| Biggest Nordic Cities | 0 | - | 4.36 | 57,669 |
| Biggest Mediterranean Cities | 0 | - | 4.60 | 71,148 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 315,676 |
| Jewish Cities Quiz | 0 | - | 4.31 | 56,983 |
| Biggest Cities in Japan | 0 | - | 4.69 | 69,173 |
| Biggest US Cities by Decade | 0 | - | 4.94 | 136,893 |
| Biggest Cities in Russia | 0 | - | 4.48 | 71,194 |
| Fastest Growing U.S. Cities | 0 | - | 4.32 | 67,703 |
| Africa Capitals Quiz | 0 | - | 4.99 | 558,476 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 44,031 |
| Biggest Cities in Poland | 0 | - | 4.55 | 42,743 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.39 | 11,481 |
| Biggest Cities Starting With A | 0 | - | 4.49 | 102,639 |
| Biggest Cities Starting With B | 0 | - | 4.32 | 136,806 |
| Biggest Cities Starting With C | 0 | - | 4.03 | 90,814 |
| Biggest Cities Starting With D | 0 | - | 4.48 | 99,156 |
| Biggest Cities Starting With H | 0 | - | 4.53 | 88,682 |
| Biggest Cities Starting With K | 0 | - | 4.27 | 73,365 |
| Biggest Cities Starting With L | 0 | - | 4.41 | 100,765 |
| Biggest Cities Starting With M | 0 | - | 4.52 | 116,841 |
| Biggest Cities Starting With P | 0 | - | 4.49 | 93,517 |
| Biggest Cities Starting With S | 0 | - | 4.39 | 97,813 |
| Biggest Cities Starting With T | 0 | - | 4.31 | 97,939 |
| Biggest Cities in Mexico | 0 | - | 4.54 | 22,516 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.35 | 77,394 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.33 | 64,506 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.20 | 72,437 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.11 | 78,496 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.09 | 62,734 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.11 | 58,528 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.12 | 18,975 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.17 | 56,849 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.26 | 63,866 |
| Biggest U.S. Cities A-Z | 0 | - | 4.62 | 113,566 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 172,569 |
| Biggest Cities in France | 0 | - | 4.47 | 169,951 |
| Biggest Cities in Spain | 0 | - | 4.60 | 139,121 |
| Biggest Cities in Italy | 0 | - | 4.60 | 197,517 |
| Biggest Cities in California | 0 | - | 4.33 | 123,288 |
| Biggest Cities in Florida | 0 | - | 4.17 | 63,447 |
| Biggest Cities in the World Quiz | 0 | - | 4.80 | 597,215 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 21,104 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 86,550 |
| Biggest Cities in Ohio | 0 | - | 4.34 | 42,939 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 44,809 |
| Biggest Cities in New York State | 0 | - | 4.23 | 52,842 |
| Biggest Cities in Europe | 0 | - | 4.50 | 418,665 |
| Biggest Cities in Indiana | 0 | - | 4.21 | 18,351 |
| Biggest Cities in Tennessee | 0 | - | 4.21 | 18,025 |
| Biggest Cities in Canada | 0 | - | 4.60 | 112,378 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 32,977 |
| Countries with the Highest Population Density | 0 | - | 4.87 | 134,704 |
| Asia Capitals Quiz | 0 | - | 4.98 | 528,212 |
| Biggest Cities in China | 0 | - | 4.44 | 123,801 |
| Biggest Cities in Pennsylvania | 0 | - | 4.11 | 40,287 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 130,503 |
| Biggest Cities in Germany | 0 | - | 4.93 | 237,491 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.39 | 57,028 |
| Second Biggest Cities Quiz | 0 | - | 4.21 | 37,351 |
| Biggest City in Each U.S. State | 0 | - | 4.83 | 139,479 |
| Biggest City in Every Country | 0 | - | 4.97 | 70,625 |
| Biggest Cities in Louisiana | 0 | - | 4.02 | 17,064 |
| Biggest Cities in Arizona | 0 | - | 4.19 | 26,255 |
| Biggest Cities in Virginia | 0 | - | 4.21 | 21,314 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 22,668 |
| Biggest Cities in North Carolina | 0 | - | 4.52 | 29,540 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 21,538 |
| Biggest Cities in Massachusetts | 0 | - | 4.32 | 25,414 |
| Biggest Cities in Missouri | 0 | - | 4.16 | 14,856 |
| Biggest Cities in Oregon | 0 | - | 4.03 | 17,454 |
| Biggest Cities in Alaska | 0 | - | 4.30 | 21,930 |
| Biggest City by Time Zone | 0 | - | 4.76 | 50,918 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.45 | 94,056 |
| Biggest English Cities by Century | 0 | - | 4.92 | 89,932 |
| Biggest Cities in Switzerland | 0 | - | 4.54 | 40,250 |
| Biggest European Cities by Letter | 0 | - | 4.47 | 112,887 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 178,330 |
| Biggest Cities in India | 0 | - | 4.60 | 57,291 |
| Biggest Cities in Asia | 0 | - | 4.91 | 88,727 |
| Biggest City by Island | 0 | - | 4.49 | 43,502 |
| Most Populous Countries in 1900 | 0 | - | 4.88 | 151,613 |
| Biggest Cities in History | 0 | - | 4.46 | 73,642 |
| Biggest Cities by Trait #1 | 0 | - | 4.42 | 41,005 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 38,743 |
| Random Capital to Country | 0 | - | 4.99 | 2,155,134 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 60,666 |
| Random Country to Capital | 0 | - | 4.97 | 724,435 |
| Five Biggest Cities by Country | 0 | - | 4.60 | 140,737 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 57,939 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 64,650 |
| Biggest Coastal City by Country | 0 | - | 4.54 | 25,444 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.50 | 60,198 |
| Biggest Cities in Portugal | 0 | - | 4.36 | 16,950 |
| Most Populous World Capitals | 0 | - | 4.89 | 131,616 |
| Biggest City by Region | 0 | - | 4.50 | 30,802 |
| Most Populous 2nd Cities | 0 | - | 4.59 | 49,766 |
| Biggest City by Region #2 | 0 | - | 4.43 | 21,131 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.39 | 26,497 |
| Biggest European Cities by Century | 0 | - | 4.96 | 109,376 |
| Capitals of Most Populated Countries | 0 | - | 4.96 | 110,310 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 116,338 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 231,046 |
| U.S. Cities by Hispanic Population | 0 | - | 4.21 | 23,405 |
| Biggest Cities by Latitude | 0 | - | 4.68 | 24,934 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.93 | 62,665 |
| Largest World Cities With Four Letters | 0 | - | 4.40 | 40,784 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.60 | 60,593 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 32,178 |
| Biggest Two-Word Cities | 0 | - | 4.60 | 35,905 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 61,513 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.71 | 58,249 |
| Cities of Ireland | 0 | - | 4.42 | 36,802 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 36,747 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 152,300 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 75,929 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.79 | 47,776 |
| Countries With More Than 100 Million People | 0 | - | 4.97 | 120,693 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 122,605 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 127,162 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 150,670 |
| Cities of China (With Some Help) | 0 | - | 4.83 | 25,130 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 39,410 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 44,649 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 226,709 |
| Countries with Megacities | 0 | - | 4.99 | 181,592 |
| Countries of Europe by Population | 0 | - | 4.98 | 113,488 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 176,223 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.95 | 132,915 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 141,592 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.82 | 40,949 |
| Biggest Cities in the UK | 0 | - | 4.42 | 83,833 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 85,500 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 49,094 |
| Megacities on a World Map | 0 | - | 4.98 | 205,646 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 181,765 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.76 | 50,357 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 99,535 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 76,865 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.79 | 40,231 |
| Ten Northernmost Megacities | 0 | - | 4.42 | 45,021 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.96 | 83,869 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 331,690 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 136,028 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.30 | 33,709 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 51,727 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.47 | 35,902 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.45 | 37,311 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 465,763 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.13 | 71,004 |
| Megacities on an Empty Map | 0 | - | 4.96 | 80,391 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 54,997 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 56,873 |
| All Cities in China with Population of 1 Million | 0 | - | 4.53 | 32,842 |
| Northernmost Major City by Country | 0 | - | 4.51 | 28,993 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 23,696 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 35,349 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 58,013 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 100,755 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 45,478 |
| Two Largest Cities by First Two Letters | 0 | - | 4.60 | 58,289 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 37,545 |
| Largest World Capitals with Exceptions | 0 | - | 4.68 | 48,009 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.69 | 64,167 |
| First Countries to Reach 5 Million People | 0 | - | 4.88 | 102,130 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.47 | 55,776 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 52,776 |
| Biggest Cities Near a Border | 0 | - | 4.13 | 15,297 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 39,094 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 274,392 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 84,858 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 64,233 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 31,651 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 123,358 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.35 | 28,203 |
| Ten Southernmost Megacities | 0 | - | 4.79 | 43,494 |
| Biggest Cities by Trait #2 | 0 | - | 4.33 | 13,001 |
| Flags to Largest Cities | 0 | - | 4.56 | 25,157 |
| 500 Biggest US Cities | 0 | - | 4.84 | 82,355 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 27,187 |
| Saint Lucia Country Quiz | 0 | - | 4.62 | 14,671 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 60,454 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 35,336 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.70 | 50,055 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.84 | 60,326 |
| Biggest Cities in the World - 2100 | 0 | - | 4.28 | 71,586 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.57 | 22,643 |
