| Quiz | Points | Best | Rating | Takes |
|---|
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,076,492 |
| Letters of the Greek Alphabet | 0 | - | 4.95 | 571,706 |
| Olympian Gods Quiz | 0 | - | 4.96 | 450,805 |
| English Monarchs Quiz | 0 | - | 4.85 | 436,383 |
| Mythical Creatures Quiz #1 | 0 | - | 4.89 | 643,924 |
| Figures from Greek Mythology | 0 | - | 4.87 | 166,698 |
| Roman Numeral Decoding Quiz | 0 | - | 4.89 | 391,536 |
| 2010 Year in Review | 0 | - | 3.94 | 48,293 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 219,135 |
| Prime Ministers of the UK | 0 | - | 4.94 | 371,945 |
| Biggest US Cities by Decade | 0 | - | 4.96 | 152,283 |
| 2011 Year in Review | 0 | - | 4.15 | 40,928 |
| Name that Greek Letter | 0 | - | 4.92 | 290,775 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 141,780 |
| Countries in World War I | 0 | - | 4.91 | 205,598 |
| NBA Basketball by Year, 1970–1999 | 0 | - | 4.21 | 41,589 |
| Countries Bordering China Since 1914 | 0 | - | 4.89 | 86,430 |
| Countries of the Soviet Union | 0 | - | 4.99 | 182,170 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 98,791 |
| Independence from Whom | 0 | - | 4.99 | 179,820 |
| MLB Baseball by Year, 1960–1989 | 0 | - | 3.98 | 18,067 |
| NFL Football by Year, 1967–1999 | 0 | - | 4.26 | 24,379 |
| Biggest English Cities by Century | 0 | - | 4.93 | 97,535 |
| 2012 Year in Review | 0 | - | 4.03 | 44,998 |
| Who Controlled These Colonies? | 0 | - | 4.84 | 109,689 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 335,135 |
| Most Populous Countries in 1900 | 0 | - | 4.88 | 159,810 |
| Warsaw Pact Countries | 0 | - | 4.88 | 79,217 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 63,997 |
| 2013 Year in Review | 0 | - | 4.30 | 39,359 |
| Music by Year, 1990–2009 | 0 | - | 4.16 | 99,477 |
| Music by Year, 1970–1989 | 0 | - | 4.21 | 37,560 |
| Movies by Year, 1990–2009 | 0 | - | 4.12 | 62,684 |
| Movies by Year, 1970–1989 | 0 | - | 4.24 | 23,718 |
| Current Events by Year, 1990–2009 | 0 | - | 4.71 | 142,554 |
| Current Events by Year, 1970–1989 | 0 | - | 4.46 | 60,799 |
| Current Events by Year, 1950–1969 | 0 | - | 4.25 | 43,979 |
| Current Events by Year, 1930–1949 | 0 | - | 4.44 | 49,039 |
| Current Events by Year, 1910–1929 | 0 | - | 4.22 | 45,077 |
| Figures From the 18th Century | 0 | - | 3.98 | 15,047 |
| Ancient Greek Words | 0 | - | 4.87 | 94,216 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 120,943 |
| The 20th Century | 0 | - | 4.40 | 77,754 |
| The 19th Century | 0 | - | 4.40 | 52,225 |
| The 18th Century | 0 | - | 4.45 | 41,272 |
| The 17th Century | 0 | - | 4.40 | 42,345 |
| The 16th Century | 0 | - | 4.68 | 48,688 |
| The 15th Century | 0 | - | 4.37 | 41,182 |
| The 14th Century | 0 | - | 4.43 | 39,237 |
| The 13th Century | 0 | - | 4.38 | 33,313 |
| The 11th and 12th Century | 0 | - | 4.49 | 45,135 |
| Roman Emperors | 0 | - | 4.95 | 92,649 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 203,291 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 96,552 |
| Countries in the Ottoman Empire | 0 | - | 4.90 | 66,342 |
| 2014 Year in Review | 0 | - | 4.40 | 30,378 |
| Countries Settled by Vikings | 0 | - | 4.93 | 109,581 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.67 | 37,368 |
| 1990s Decade Quiz | 0 | - | 3.94 | 49,210 |
| 2000s Decade Quiz | 0 | - | 4.09 | 100,031 |
| 1980s Decade Quiz | 0 | - | 4.31 | 69,768 |
| 1970s Decade Quiz | 0 | - | 4.13 | 48,292 |
| Countries that Bordered the USSR | 0 | - | 4.92 | 139,903 |
| 1960s Decade Quiz #1 | 0 | - | 4.27 | 46,548 |
| 1960s Decade Quiz #2 | 0 | - | 4.36 | 40,705 |
| 1950s Decade Quiz | 0 | - | 4.27 | 45,663 |
| 1940s Decade Quiz | 0 | - | 4.28 | 47,976 |
| 1930s Decade Quiz | 0 | - | 4.11 | 46,024 |
| 1920s Decade Quiz | 0 | - | 4.26 | 46,200 |
| 1910s Decade Quiz | 0 | - | 4.10 | 49,613 |
| 1900s Decade Quiz | 0 | - | 4.05 | 41,642 |
| 1890s Decade Quiz | 0 | - | 4.13 | 37,614 |
| 1880s Decade Quiz | 0 | - | 4.10 | 37,213 |
| 1870s Decade Quiz | 0 | - | 4.20 | 34,597 |
| 1860s Decade Quiz | 0 | - | 4.24 | 38,170 |
| Biggest European Cities by Century | 0 | - | 4.96 | 116,577 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 69,446 |
| Military History Vocabulary | 0 | - | 4.91 | 58,562 |
| 2015 Year in Review | 0 | - | 3.96 | 24,835 |
| Neutral European Countries of WWII | 0 | - | 4.93 | 128,121 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 74,641 |
| Countries of Europe After World War II | 0 | - | 4.98 | 166,783 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 135,367 |
| Quiz on the Year 1908 | 0 | - | 4.26 | 11,147 |
| 2016 News Stories - Name the Country | 0 | - | 4.43 | 21,970 |
| 2016 Year in Review | 0 | - | 3.90 | 32,074 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 47,904 |
| Biggest Roman Empire Countries | 0 | - | 4.84 | 80,649 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 66,146 |
| Metals of Antiquity | 0 | - | 4.96 | 69,576 |
| 1850s Decade Quiz | 0 | - | 4.25 | 32,714 |
| 1840s Decade Quiz | 0 | - | 4.21 | 35,358 |
| Soviet Union Country Quiz | 0 | - | 4.82 | 73,134 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.97 | 174,647 |
| Quiz on the Year 1997 | 0 | - | 4.27 | 18,456 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 74,856 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.91 | 65,943 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 52,797 |
| First Countries to Reach 5 Million People | 0 | - | 4.89 | 107,631 |
| 2017 News Stories - Name the Country | 0 | - | 4.44 | 26,604 |
| 2017 Year in Review | 0 | - | 4.44 | 29,645 |
| Quiz on the Year 1998 | 0 | - | 4.29 | 14,883 |
| 16th Century A-Z | 0 | - | 4.48 | 15,699 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 130,466 |
| 20th Century A-Z | 0 | - | 4.39 | 37,967 |
| 19th Century A-Z | 0 | - | 4.76 | 33,640 |
| 17th Century A-Z | 0 | - | 4.54 | 23,707 |
| 18th Century A-Z | 0 | - | 4.56 | 31,094 |
| 15th Century A-Z | 0 | - | 4.35 | 14,770 |
| 14th Century A-Z | 0 | - | 4.26 | 15,115 |
| Former Flags | 0 | - | 4.97 | 79,329 |
| Former Countries by Territory Map | 0 | - | 4.96 | 83,111 |
| The 9th and 10th Century | 0 | - | 4.47 | 27,801 |
| The 7th and 8th Century | 0 | - | 4.28 | 22,476 |
| The 1st and 2nd Century | 0 | - | 4.54 | 21,488 |
| The 1st and 2nd Century BC | 0 | - | 4.40 | 14,986 |
| The 3rd and 4th Century BC | 0 | - | 4.34 | 13,244 |
| The 5th and 6th Century BC | 0 | - | 4.37 | 12,194 |
| The 7th, 8th, 9th and 10th Century BC | 0 | - | 4.60 | 9,924 |
| Countries of the World in 1900 | 0 | - | 4.87 | 62,544 |
| Empires by Maps | 0 | - | 4.99 | 89,629 |
| 2018 News Stories - Name the Country | 0 | - | 4.40 | 22,133 |
| Ultimate 20th Century History Quiz | 0 | - | 4.85 | 44,786 |
| WWII Figures by Picture | 0 | - | 4.84 | 38,143 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 46,975 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 165,445 |
| Territory Changes in World War I | 0 | - | 4.86 | 39,063 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 34,522 |
| Countries in the Byzantine Empire | 0 | - | 4.93 | 65,456 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 84,380 |
| Name a Valid U.S. President #1 | 0 | - | 4.92 | 161,854 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 108,562 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 123,132 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 90,836 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 85,924 |
| Battle to Country | 0 | - | 4.87 | 33,815 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 96,328 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 85,304 |
| Countries by Former Name | 0 | - | 4.98 | 91,248 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 66,934 |
| Name a Valid Year in History | 0 | - | 4.94 | 50,061 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 38,597 |
| 2019 Year in Review | 0 | - | 4.40 | 32,127 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.89 | 45,780 |
| MLB Baseball by Year, 1990–present | 0 | - | 3.89 | 9,915 |
| NBA Basketball by Year, 2000–Present | 0 | - | 4.22 | 50,429 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 25,546 |
| The 21st Century | 0 | - | 4.49 | 72,044 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.95 | 69,420 |
| 2019 News Stories - Name the Country | 0 | - | 4.10 | 16,821 |
| NFL Football by Year, 2000–present | 0 | - | 4.11 | 22,399 |
| Countries by Founding Story | 0 | - | 4.91 | 53,133 |
| 2010s Decade Quiz | 0 | - | 4.51 | 79,650 |
| 1830s Decade Quiz | 0 | - | 4.29 | 26,930 |
| 1820s Decade Quiz | 0 | - | 4.40 | 27,503 |
| 1810s Decade Quiz | 0 | - | 4.39 | 28,550 |
| 1800s Decade Quiz | 0 | - | 4.38 | 29,102 |
| 1790s Decade Quiz | 0 | - | 4.44 | 30,316 |
| 1780s Decade Quiz | 0 | - | 4.24 | 23,535 |
| 1770s Decade Quiz | 0 | - | 3.87 | 24,537 |
| 2020 News Stories - Name the Country | 0 | - | 4.37 | 27,068 |
| WWI... or WWII? | 0 | - | 4.83 | 118,648 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 58,785 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 122,161 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 47,876 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 75,762 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 59,688 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.84 | 9,274 |
| 2020 Year in Review | 0 | - | 4.47 | 25,782 |
| Countries of the World in 1444 | 0 | - | 4.98 | 48,049 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 56,371 |
| Quiz on the Year 2000 | 0 | - | 4.05 | 17,965 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.95 | 24,719 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 62,163 |
| "Second Best" History Edition | 0 | - | 4.93 | 43,575 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 60,034 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.93 | 46,240 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 36,413 |
| History: What Came First? #1 | 0 | - | 4.84 | 88,320 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 64,048 |
| Play-Doh Presidents | 0 | - | 5.00 | 72,700 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 44,676 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 88,416 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 39,154 |
| The Life of Martin Luther King Jr. | 0 | - | 4.82 | 10,191 |
| 2020 Year in Review - The United States | 0 | - | 3.57 | 13,342 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.96 | 53,200 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.96 | 73,381 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 49,210 |
| Quiz on the Year 2001 | 0 | - | 4.28 | 20,735 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.82 | 46,830 |
| All Modern-Day Countries Ever Controlled by French People | 0 | - | 4.99 | 49,896 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.97 | 35,721 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 69,862 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 47,157 |
| All Modern-Day Countries Ever Controlled by Greeks | 0 | - | 4.96 | 43,407 |
| Countries of the World in 1882 with a Map | 0 | - | 4.88 | 31,498 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.93 | 24,429 |
| Historic Orient Express Routes Map | 0 | - | 5.00 | 45,763 |
| U.S. History Timeline Quiz | 0 | - | 4.95 | 43,539 |
