| Quiz | Points | Best | Rating | Takes |
|---|
| U.S. Presidents Quiz | 0 | - | 4.99 | 2,685,554 |
| U.S. Presidents by Picture | 0 | - | 4.82 | 348,435 |
| Letters of the Greek Alphabet | 0 | - | 4.92 | 501,178 |
| Olympian Gods Quiz | 0 | - | 4.95 | 404,180 |
| English Monarchs Quiz | 0 | - | 4.86 | 380,375 |
| Words for Leaders | 0 | - | 4.67 | 186,392 |
| Communist Countries in History | 0 | - | 4.48 | 384,271 |
| Famous Dictators Quiz #1 | 0 | - | 4.53 | 168,551 |
| Mythical Creatures Quiz #1 | 0 | - | 4.89 | 596,563 |
| Figures from Greek Mythology | 0 | - | 4.85 | 150,615 |
| Roman Numeral Decoding Quiz | 0 | - | 4.85 | 342,343 |
| Name that Historical Figure #1 | 0 | - | 4.68 | 264,122 |
| 2010 Year in Review | 0 | - | 3.90 | 46,940 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,525 |
| Prime Ministers of the UK | 0 | - | 4.93 | 321,584 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 133,092 |
| Ye Olde Professions | 0 | - | 4.53 | 120,658 |
| 2011 Year in Review | 0 | - | 4.12 | 39,203 |
| Name that Greek Letter | 0 | - | 4.90 | 257,037 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 131,618 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.06 | 844,515 |
| Countries in World War II | 0 | - | 4.48 | 682,449 |
| Deadliest U.S. Wars | 0 | - | 4.81 | 142,037 |
| Countries in World War I | 0 | - | 4.91 | 183,284 |
| Biggest Nations and Empires Ever | 0 | - | 4.64 | 121,243 |
| NBA Basketball by Year, 1970–1999 | 0 | - | 4.24 | 38,182 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,375 |
| Countries of the Soviet Union | 0 | - | 4.99 | 146,612 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 92,254 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.57 | 392,148 |
| Independence from Whom | 0 | - | 4.99 | 153,194 |
| MLB Baseball by Year, 1960–1989 | 0 | - | 3.98 | 17,562 |
| NFL Football by Year, 1967–1999 | 0 | - | 4.24 | 23,186 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,943 |
| 2012 Year in Review | 0 | - | 3.96 | 43,456 |
| Who Controlled These Colonies? | 0 | - | 4.73 | 100,786 |
| First Names of U.S. Presidents | 0 | - | 4.87 | 297,433 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 147,293 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,738 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,481 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 66,115 |
| 2013 Year in Review | 0 | - | 4.28 | 37,446 |
| Music by Year, 1990–2009 | 0 | - | 4.13 | 91,392 |
| Music by Year, 1970–1989 | 0 | - | 4.15 | 34,576 |
| Movies by Year, 1990–2009 | 0 | - | 4.13 | 59,196 |
| Movies by Year, 1970–1989 | 0 | - | 4.20 | 22,091 |
| Current Events by Year, 1990–2009 | 0 | - | 4.74 | 134,437 |
| Current Events by Year, 1970–1989 | 0 | - | 4.43 | 56,492 |
| Current Events by Year, 1950–1969 | 0 | - | 4.27 | 41,151 |
| Current Events by Year, 1930–1949 | 0 | - | 4.40 | 45,252 |
| Current Events by Year, 1910–1929 | 0 | - | 4.29 | 41,834 |
| Ancient Greek Words | 0 | - | 4.84 | 72,555 |
| Confederate States of the U.S. Civil War | 0 | - | 4.93 | 103,617 |
| The 20th Century | 0 | - | 4.38 | 73,762 |
| The 19th Century | 0 | - | 4.38 | 49,273 |
| The 18th Century | 0 | - | 4.42 | 38,497 |
| The 17th Century | 0 | - | 4.38 | 39,872 |
| The 16th Century | 0 | - | 4.68 | 45,989 |
| The 15th Century | 0 | - | 4.30 | 39,069 |
| The 14th Century | 0 | - | 4.41 | 36,989 |
| The 13th Century | 0 | - | 4.35 | 31,287 |
| The 11th and 12th Century | 0 | - | 4.49 | 42,239 |
| Roman Emperors | 0 | - | 4.95 | 78,979 |
| History by Letter - A | 0 | - | 4.47 | 116,102 |
| History by Letter - B | 0 | - | 4.53 | 132,587 |
| History by Letter - C | 0 | - | 4.65 | 128,136 |
| History by Letter - E | 0 | - | 4.41 | 106,726 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 182,039 |
| History by Letter - J | 0 | - | 4.43 | 111,911 |
| Historical City to Country | 0 | - | 4.81 | 66,506 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 75,064 |
| Countries in the Ottoman Empire | 0 | - | 4.93 | 50,835 |
| 2014 Year in Review | 0 | - | 4.32 | 27,831 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,951 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.74 | 36,499 |
| 1990s Decade Quiz | 0 | - | 4.03 | 35,088 |
| 2000s Decade Quiz | 0 | - | 4.08 | 76,191 |
| 1980s Decade Quiz | 0 | - | 4.28 | 53,241 |
| 1970s Decade Quiz | 0 | - | 4.14 | 36,521 |
| Countries that Bordered the USSR | 0 | - | 4.94 | 129,165 |
| 1960s Decade Quiz #1 | 0 | - | 4.29 | 36,094 |
| 1960s Decade Quiz #2 | 0 | - | 4.32 | 29,571 |
| 1950s Decade Quiz | 0 | - | 4.24 | 35,926 |
| 1940s Decade Quiz | 0 | - | 4.27 | 37,589 |
| 1930s Decade Quiz | 0 | - | 4.16 | 35,336 |
| 1920s Decade Quiz | 0 | - | 4.33 | 36,033 |
| 1910s Decade Quiz | 0 | - | 4.18 | 37,887 |
| 1900s Decade Quiz | 0 | - | 4.18 | 32,126 |
| 1890s Decade Quiz | 0 | - | 4.15 | 29,453 |
| 1880s Decade Quiz | 0 | - | 4.12 | 29,648 |
| 1870s Decade Quiz | 0 | - | 4.19 | 26,717 |
| 1860s Decade Quiz | 0 | - | 4.21 | 29,382 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,363 |
| Former Countries | 0 | - | 4.53 | 100,549 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,375 |
| Military History Vocabulary | 0 | - | 4.84 | 52,146 |
| 2015 Year in Review | 0 | - | 3.90 | 23,496 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 111,084 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 66,202 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 38,773 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,802 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 112,741 |
| Quiz on the Year 1908 | 0 | - | 4.22 | 9,929 |
| 2016 News Stories - Name the Country | 0 | - | 4.36 | 20,045 |
| 2016 Year in Review | 0 | - | 3.93 | 30,444 |
| Most Recently-Settled Countries | 0 | - | 4.90 | 44,907 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 74,024 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,612 |
| Metals of Antiquity | 0 | - | 4.95 | 63,819 |
| 1850s Decade Quiz | 0 | - | 4.25 | 24,034 |
| 1840s Decade Quiz | 0 | - | 4.20 | 26,552 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,832 |
| The Trojan War | 0 | - | 4.84 | 26,048 |
| Quiz on the Year 1997 | 0 | - | 4.17 | 16,983 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,638 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,418 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,495 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 48,046 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 99,267 |
| 2017 News Stories - Name the Country | 0 | - | 4.48 | 24,062 |
| 2017 Year in Review | 0 | - | 4.41 | 27,313 |
| Quiz on the Year 1998 | 0 | - | 4.28 | 13,415 |
| 16th Century A-Z | 0 | - | 4.44 | 14,255 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 116,713 |
| 20th Century A-Z | 0 | - | 4.36 | 34,535 |
| 19th Century A-Z | 0 | - | 4.67 | 29,888 |
| 17th Century A-Z | 0 | - | 4.45 | 21,326 |
| 18th Century A-Z | 0 | - | 4.57 | 27,848 |
| 15th Century A-Z | 0 | - | 4.33 | 13,032 |
| 14th Century A-Z | 0 | - | 4.24 | 13,468 |
| Former Flags | 0 | - | 4.96 | 70,856 |
| Former Countries by Territory Map | 0 | - | 4.96 | 75,243 |
| The 9th and 10th Century | 0 | - | 4.41 | 25,790 |
| The 7th and 8th Century | 0 | - | 4.32 | 21,073 |
| The 5th and 6th Century | 0 | - | 4.64 | 18,865 |
| The 1st and 2nd Century | 0 | - | 4.57 | 19,529 |
| The 1st and 2nd Century BC | 0 | - | 4.40 | 13,022 |
| The 3rd and 4th Century BC | 0 | - | 4.39 | 11,759 |
| The 5th and 6th Century BC | 0 | - | 4.43 | 10,530 |
| The 7th, 8th, 9th and 10th Century BC | 0 | - | 4.57 | 8,093 |
| Countries of the World in 1900 | 0 | - | 4.87 | 52,699 |
| Empires by Maps | 0 | - | 4.99 | 75,768 |
| 2018 News Stories - Name the Country | 0 | - | 4.40 | 20,003 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 40,661 |
| Two Letter Roman Numerals | 0 | - | 4.94 | 28,377 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 147,365 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.82 | 17,051 |
| Louisiana Purchase with a Map | 0 | - | 4.94 | 30,518 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,414 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 73,132 |
| Name a Valid U.S. President #1 | 0 | - | 4.93 | 126,561 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 93,335 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 106,054 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 80,624 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 74,606 |
| Battle to Country | 0 | - | 4.89 | 30,654 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 84,920 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 67,157 |
| Cities by Former Name | 0 | - | 4.82 | 62,817 |
| Countries by Former Name | 0 | - | 4.98 | 82,822 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 58,957 |
| Name a Valid Year in History | 0 | - | 4.97 | 38,370 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 33,208 |
| 2019 Year in Review | 0 | - | 4.38 | 29,031 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.89 | 37,105 |
| MLB Baseball by Year, 1990–present | 0 | - | 3.69 | 7,998 |
| NBA Basketball by Year, 2000–present | 0 | - | 4.13 | 32,734 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 21,106 |
| The 21st Century | 0 | - | 4.44 | 58,736 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 58,909 |
| 2019 News Stories - Name the Country | 0 | - | 4.10 | 15,125 |
| NFL Football by Year, 2000–present | 0 | - | 4.26 | 15,893 |
| Countries by Founding Story | 0 | - | 4.91 | 48,913 |
| 2010s Decade Quiz | 0 | - | 4.55 | 53,618 |
| 1830s Decade Quiz | 0 | - | 4.33 | 18,778 |
| 1820s Decade Quiz | 0 | - | 4.40 | 18,684 |
| 1810s Decade Quiz | 0 | - | 4.44 | 19,067 |
| 1800s Decade Quiz | 0 | - | 4.38 | 19,929 |
| 1790s Decade Quiz | 0 | - | 4.39 | 21,534 |
| 1780s Decade Quiz | 0 | - | 4.09 | 16,462 |
| 1770s Decade Quiz | 0 | - | 3.86 | 17,513 |
| 2020 News Stories - Name the Country | 0 | - | 4.32 | 23,910 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 50,335 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.98 | 98,652 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.84 | 41,301 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.99 | 66,049 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.84 | 32,881 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 52,481 |
| 2020 Year in Review | 0 | - | 4.40 | 23,368 |
| Countries of the World in 1444 | 0 | - | 4.95 | 41,545 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.95 | 46,828 |
| Quiz on the Year 2000 | 0 | - | 4.02 | 16,392 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.95 | 18,257 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 53,122 |
| "Second Best" History Edition | 0 | - | 4.93 | 26,444 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 50,271 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.84 | 35,168 |
| History: What Came First? #1 | 0 | - | 4.82 | 63,121 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 55,216 |
| Play-Doh Presidents | 0 | - | 5.00 | 62,611 |
