| Quiz | Points | Best | Rating | Takes |
|---|
| U.S. Presidents Quiz | 0 | - | 5.00 | 2,839,499 |
| U.S. Presidents by Picture | 0 | - | 4.76 | 362,301 |
| Letters of the Greek Alphabet | 0 | - | 4.92 | 527,448 |
| Olympian Gods Quiz | 0 | - | 4.95 | 421,055 |
| English Monarchs Quiz | 0 | - | 4.83 | 402,470 |
| Words for Leaders | 0 | - | 4.70 | 196,474 |
| Communist Countries in History | 0 | - | 4.43 | 404,722 |
| Famous Dictators Quiz #1 | 0 | - | 4.62 | 173,497 |
| Mythical Creatures Quiz #1 | 0 | - | 4.88 | 617,309 |
| Figures from Greek Mythology | 0 | - | 4.84 | 157,047 |
| Roman Numeral Decoding Quiz | 0 | - | 4.82 | 359,256 |
| Name that Historical Figure #1 | 0 | - | 4.60 | 274,934 |
| 2010 Year in Review | 0 | - | 3.94 | 47,554 |
| Commonwealth of Nations Countries | 0 | - | 4.93 | 211,766 |
| Prime Ministers of the UK | 0 | - | 4.92 | 348,927 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 145,814 |
| Ye Olde Professions | 0 | - | 4.60 | 126,102 |
| 2011 Year in Review | 0 | - | 4.15 | 40,022 |
| Name that Greek Letter | 0 | - | 4.90 | 268,344 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 136,319 |
| Countries in World War II | 0 | - | 4.43 | 720,116 |
| Deadliest U.S. Wars | 0 | - | 4.79 | 147,958 |
| Countries in World War I | 0 | - | 4.90 | 193,109 |
| Biggest Nations and Empires Ever | 0 | - | 4.49 | 125,147 |
| NBA Basketball by Year, 1970–1999 | 0 | - | 4.24 | 39,388 |
| Countries Bordering China Since 1914 | 0 | - | 4.91 | 74,331 |
| Countries of the Soviet Union | 0 | - | 4.98 | 156,342 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 95,628 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.47 | 411,608 |
| Independence from Whom | 0 | - | 4.99 | 171,867 |
| MLB Baseball by Year, 1960–1989 | 0 | - | 3.98 | 17,777 |
| NFL Football by Year, 1967–1999 | 0 | - | 4.25 | 23,675 |
| Biggest English Cities by Century | 0 | - | 4.92 | 91,272 |
| 2012 Year in Review | 0 | - | 4.03 | 44,109 |
| Who Controlled These Colonies? | 0 | - | 4.82 | 104,635 |
| First Names of U.S. Presidents | 0 | - | 4.83 | 313,079 |
| Most Populous Countries in 1900 | 0 | - | 4.88 | 152,661 |
| Warsaw Pact Countries | 0 | - | 4.88 | 67,070 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 61,500 |
| 2013 Year in Review | 0 | - | 4.30 | 38,358 |
| Music by Year, 1990–2009 | 0 | - | 4.17 | 94,922 |
| Music by Year, 1970–1989 | 0 | - | 4.21 | 36,184 |
| Movies by Year, 1990–2009 | 0 | - | 4.11 | 60,355 |
| Movies by Year, 1970–1989 | 0 | - | 4.23 | 22,613 |
| Current Events by Year, 1990–2009 | 0 | - | 4.75 | 137,979 |
| Current Events by Year, 1970–1989 | 0 | - | 4.45 | 58,478 |
| Current Events by Year, 1950–1969 | 0 | - | 4.28 | 42,651 |
| Current Events by Year, 1930–1949 | 0 | - | 4.43 | 47,207 |
| Current Events by Year, 1910–1929 | 0 | - | 4.27 | 43,770 |
| Figures From the 18th Century | 0 | - | 3.98 | 14,736 |
| Ancient Greek Words | 0 | - | 4.86 | 86,100 |
| Confederate States of the U.S. Civil War | 0 | - | 4.90 | 108,404 |
| The 20th Century | 0 | - | 4.39 | 75,345 |
| The 19th Century | 0 | - | 4.40 | 50,481 |
| The 18th Century | 0 | - | 4.46 | 39,687 |
| The 17th Century | 0 | - | 4.40 | 40,902 |
| The 16th Century | 0 | - | 4.63 | 47,210 |
| The 15th Century | 0 | - | 4.36 | 39,960 |
| The 14th Century | 0 | - | 4.44 | 37,974 |
| The 13th Century | 0 | - | 4.38 | 32,182 |
| The 11th and 12th Century | 0 | - | 4.48 | 43,462 |
| Roman Emperors | 0 | - | 4.95 | 84,419 |
| History by Letter - A | 0 | - | 4.51 | 124,903 |
| History by Letter - B | 0 | - | 4.49 | 141,625 |
| History by Letter - C | 0 | - | 4.70 | 137,626 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 191,165 |
| History by Letter - J | 0 | - | 4.44 | 127,534 |
| Countries of the Japanese Empire | 0 | - | 4.96 | 79,986 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 64,035 |
| 2014 Year in Review | 0 | - | 4.46 | 29,015 |
| Countries Settled by Vikings | 0 | - | 4.93 | 105,066 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.71 | 36,841 |
| 1990s Decade Quiz | 0 | - | 3.98 | 44,527 |
| 2000s Decade Quiz | 0 | - | 4.10 | 93,267 |
| 1980s Decade Quiz | 0 | - | 4.30 | 55,858 |
| 1970s Decade Quiz | 0 | - | 4.17 | 38,360 |
| Countries that Bordered the USSR | 0 | - | 4.92 | 133,982 |
| 1960s Decade Quiz #1 | 0 | - | 4.27 | 37,532 |
| 1960s Decade Quiz #2 | 0 | - | 4.34 | 31,134 |
| 1950s Decade Quiz | 0 | - | 4.23 | 37,204 |
| 1940s Decade Quiz | 0 | - | 4.29 | 38,868 |
| 1930s Decade Quiz | 0 | - | 4.20 | 36,452 |
| 1920s Decade Quiz | 0 | - | 4.30 | 37,212 |
| 1910s Decade Quiz | 0 | - | 4.16 | 38,988 |
| 1900s Decade Quiz | 0 | - | 4.20 | 33,043 |
| 1890s Decade Quiz | 0 | - | 4.11 | 30,258 |
| 1880s Decade Quiz | 0 | - | 4.14 | 30,431 |
| 1870s Decade Quiz | 0 | - | 4.27 | 27,463 |
| 1860s Decade Quiz | 0 | - | 4.29 | 30,231 |
| Biggest European Cities by Century | 0 | - | 4.95 | 110,877 |
| Former Countries | 0 | - | 4.62 | 117,660 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.93 | 63,777 |
| Military History Vocabulary | 0 | - | 4.89 | 54,876 |
| 2015 Year in Review | 0 | - | 3.96 | 24,059 |
| Neutral European Countries of WWII | 0 | - | 4.93 | 118,273 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 69,964 |
| Countries of Europe After World War II | 0 | - | 4.97 | 153,991 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 122,468 |
| Quiz on the Year 1908 | 0 | - | 4.26 | 10,514 |
| 2016 News Stories - Name the Country | 0 | - | 4.43 | 20,963 |
| 2016 Year in Review | 0 | - | 3.90 | 31,142 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 46,422 |
| Biggest Roman Empire Countries | 0 | - | 4.84 | 76,874 |
| Biggest Mongol Empire Countries | 0 | - | 4.90 | 63,665 |
| Metals of Antiquity | 0 | - | 4.95 | 66,368 |
| 1850s Decade Quiz | 0 | - | 4.32 | 24,857 |
| 1840s Decade Quiz | 0 | - | 4.24 | 27,387 |
| Soviet Union Country Quiz | 0 | - | 4.84 | 60,305 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.97 | 162,626 |
| The Trojan War | 0 | - | 4.86 | 27,672 |
| Quiz on the Year 1997 | 0 | - | 4.25 | 17,661 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 71,472 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.83 | 57,056 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.90 | 62,936 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.90 | 50,311 |
| First Countries to Reach 5 Million People | 0 | - | 4.89 | 102,842 |
| 2017 News Stories - Name the Country | 0 | - | 4.47 | 25,326 |
| 2017 Year in Review | 0 | - | 4.45 | 28,364 |
| Quiz on the Year 1998 | 0 | - | 4.28 | 14,098 |
| 16th Century A-Z | 0 | - | 4.47 | 14,982 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 123,141 |
| 20th Century A-Z | 0 | - | 4.38 | 36,045 |
| 19th Century A-Z | 0 | - | 4.71 | 31,634 |
| 17th Century A-Z | 0 | - | 4.52 | 22,448 |
| 18th Century A-Z | 0 | - | 4.54 | 29,384 |
| 15th Century A-Z | 0 | - | 4.31 | 13,883 |
| 14th Century A-Z | 0 | - | 4.25 | 14,236 |
| Former Flags | 0 | - | 4.97 | 74,594 |
| Former Countries by Territory Map | 0 | - | 4.96 | 78,658 |
| The 9th and 10th Century | 0 | - | 4.47 | 26,681 |
| The 7th and 8th Century | 0 | - | 4.31 | 21,696 |
| The 1st and 2nd Century | 0 | - | 4.58 | 20,439 |
| The 1st and 2nd Century BC | 0 | - | 4.44 | 13,855 |
| The 3rd and 4th Century BC | 0 | - | 4.41 | 12,414 |
| The 5th and 6th Century BC | 0 | - | 4.36 | 11,286 |
| The 7th, 8th, 9th and 10th Century BC | 0 | - | 4.57 | 8,958 |
| Countries of the World in 1900 | 0 | - | 4.85 | 57,046 |
| Empires by Maps | 0 | - | 4.99 | 81,633 |
| 2018 News Stories - Name the Country | 0 | - | 4.41 | 21,064 |
| Ultimate 20th Century History Quiz | 0 | - | 4.85 | 42,608 |
| Two Letter Roman Numerals | 0 | - | 4.96 | 32,587 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 155,315 |
| Territory Changes in World War I | 0 | - | 4.82 | 36,375 |
| Louisiana Purchase with a Map | 0 | - | 4.94 | 32,189 |
| Countries in the Byzantine Empire | 0 | - | 4.92 | 61,783 |
| Countries of Europe in 1444 | 0 | - | 4.93 | 78,377 |
| Name a Valid U.S. President #1 | 0 | - | 4.94 | 135,029 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 99,887 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 113,553 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 84,943 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 79,689 |
| Battle to Country | 0 | - | 4.86 | 32,124 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 89,892 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 70,893 |
| Countries by Former Name | 0 | - | 4.98 | 86,757 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 62,734 |
| Name a Valid Year in History | 0 | - | 4.95 | 43,572 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 35,771 |
| 2019 Year in Review | 0 | - | 4.41 | 30,319 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.88 | 40,723 |
| MLB Baseball by Year, 1990–present | 0 | - | 3.69 | 8,320 |
| NBA Basketball by Year, 2000–present | 0 | - | 4.07 | 34,971 |
| States of the German Confederation in 1848 | 0 | - | 4.83 | 23,287 |
| The 21st Century | 0 | - | 4.45 | 61,202 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 63,530 |
| 2019 News Stories - Name the Country | 0 | - | 4.10 | 15,842 |
| NFL Football by Year, 2000–present | 0 | - | 4.17 | 20,748 |
| Countries by Founding Story | 0 | - | 4.90 | 50,674 |
| 2010s Decade Quiz | 0 | - | 4.52 | 71,600 |
| 1830s Decade Quiz | 0 | - | 4.33 | 19,665 |
| 1820s Decade Quiz | 0 | - | 4.42 | 19,783 |
| 1810s Decade Quiz | 0 | - | 4.46 | 20,244 |
| 1800s Decade Quiz | 0 | - | 4.40 | 20,931 |
| 1790s Decade Quiz | 0 | - | 4.44 | 22,608 |
| 1780s Decade Quiz | 0 | - | 4.12 | 17,120 |
| 1770s Decade Quiz | 0 | - | 3.87 | 18,184 |
| 2020 News Stories - Name the Country | 0 | - | 4.38 | 25,207 |
| WWI... or WWII? | 0 | - | 4.82 | 106,660 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 54,207 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.96 | 108,632 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 70,361 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 55,839 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.82 | 8,028 |
| 2020 Year in Review | 0 | - | 4.49 | 24,398 |
| Countries of the World in 1444 | 0 | - | 4.98 | 44,658 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.96 | 51,192 |
| Quiz on the Year 2000 | 0 | - | 4.02 | 17,007 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.93 | 21,378 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 57,041 |
| "Second Best" History Edition | 0 | - | 4.91 | 39,184 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 54,587 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.92 | 40,088 |
| Countries of Europe before World War II with a Map | 0 | - | 4.92 | 30,266 |
| History: What Came First? #1 | 0 | - | 4.86 | 81,253 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 59,344 |
| Play-Doh Presidents | 0 | - | 5.00 | 66,412 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.98 | 40,907 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 75,617 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.92 | 36,252 |
| 2020 Year in Review - The United States | 0 | - | 3.60 | 12,918 |
