| Quiz | Points | Best | Rating | Takes |
|---|
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,022,033 |
| Letters of the Greek Alphabet | 0 | - | 4.94 | 563,720 |
| Olympian Gods Quiz | 0 | - | 4.96 | 446,456 |
| English Monarchs Quiz | 0 | - | 4.84 | 430,470 |
| Mythical Creatures Quiz #1 | 0 | - | 4.89 | 637,612 |
| Figures from Greek Mythology | 0 | - | 4.87 | 164,522 |
| Roman Numeral Decoding Quiz | 0 | - | 4.88 | 386,057 |
| 2010 Year in Review | 0 | - | 3.94 | 48,155 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 217,218 |
| Prime Ministers of the UK | 0 | - | 4.94 | 366,562 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 150,671 |
| 2011 Year in Review | 0 | - | 4.15 | 40,740 |
| Name that Greek Letter | 0 | - | 4.92 | 286,319 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 140,562 |
| Countries in World War II | 0 | - | 4.45 | 772,190 |
| Countries in World War I | 0 | - | 4.91 | 203,027 |
| NBA Basketball by Year, 1970–1999 | 0 | - | 4.21 | 41,088 |
| Countries Bordering China Since 1914 | 0 | - | 4.90 | 85,558 |
| Countries of the Soviet Union | 0 | - | 4.99 | 180,009 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 98,282 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.47 | 428,985 |
| Independence from Whom | 0 | - | 4.99 | 177,862 |
| Famous Empires in History | 0 | - | 4.82 | 99,618 |
| MLB Baseball by Year, 1960–1989 | 0 | - | 3.98 | 18,003 |
| NFL Football by Year, 1967–1999 | 0 | - | 4.26 | 24,234 |
| Biggest English Cities by Century | 0 | - | 4.93 | 96,231 |
| 2012 Year in Review | 0 | - | 4.03 | 44,802 |
| Who Controlled These Colonies? | 0 | - | 4.84 | 108,658 |
| First Names of U.S. Presidents | 0 | - | 4.84 | 330,514 |
| Most Populous Countries in 1900 | 0 | - | 4.89 | 158,351 |
| Warsaw Pact Countries | 0 | - | 4.88 | 78,728 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 63,586 |
| 2013 Year in Review | 0 | - | 4.30 | 39,167 |
| Music by Year, 1990–2009 | 0 | - | 4.16 | 98,488 |
| Music by Year, 1970–1989 | 0 | - | 4.21 | 37,245 |
| Movies by Year, 1990–2009 | 0 | - | 4.12 | 62,206 |
| Movies by Year, 1970–1989 | 0 | - | 4.24 | 23,503 |
| Current Events by Year, 1990–2009 | 0 | - | 4.71 | 141,469 |
| Current Events by Year, 1970–1989 | 0 | - | 4.45 | 60,284 |
| Current Events by Year, 1950–1969 | 0 | - | 4.25 | 43,720 |
| Current Events by Year, 1930–1949 | 0 | - | 4.44 | 48,681 |
| Current Events by Year, 1910–1929 | 0 | - | 4.22 | 44,802 |
| Figures From the 18th Century | 0 | - | 3.98 | 15,002 |
| Ancient Greek Words | 0 | - | 4.87 | 92,485 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 119,843 |
| The 20th Century | 0 | - | 4.40 | 77,100 |
| The 19th Century | 0 | - | 4.40 | 51,767 |
| The 18th Century | 0 | - | 4.46 | 40,844 |
| The 17th Century | 0 | - | 4.40 | 41,909 |
| The 16th Century | 0 | - | 4.68 | 48,301 |
| The 15th Century | 0 | - | 4.36 | 40,850 |
| The 14th Century | 0 | - | 4.43 | 38,921 |
| The 13th Century | 0 | - | 4.39 | 33,032 |
| The 11th and 12th Century | 0 | - | 4.49 | 44,677 |
| Roman Emperors | 0 | - | 4.95 | 90,776 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 200,306 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 85,022 |
| Countries in the Ottoman Empire | 0 | - | 4.90 | 66,025 |
| 2014 Year in Review | 0 | - | 4.40 | 30,189 |
| Countries Settled by Vikings | 0 | - | 4.93 | 108,528 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.67 | 37,263 |
| 1990s Decade Quiz | 0 | - | 3.94 | 48,551 |
| 2000s Decade Quiz | 0 | - | 4.09 | 98,920 |
| 1980s Decade Quiz | 0 | - | 4.31 | 68,924 |
| 1970s Decade Quiz | 0 | - | 4.13 | 47,735 |
| Countries that Bordered the USSR | 0 | - | 4.91 | 138,663 |
| 1960s Decade Quiz #1 | 0 | - | 4.27 | 46,064 |
| 1960s Decade Quiz #2 | 0 | - | 4.36 | 40,165 |
| 1950s Decade Quiz | 0 | - | 4.26 | 45,200 |
| 1940s Decade Quiz | 0 | - | 4.27 | 47,451 |
| 1930s Decade Quiz | 0 | - | 4.14 | 45,519 |
| 1920s Decade Quiz | 0 | - | 4.25 | 45,655 |
| 1910s Decade Quiz | 0 | - | 4.12 | 49,095 |
| 1900s Decade Quiz | 0 | - | 4.05 | 41,045 |
| 1890s Decade Quiz | 0 | - | 4.13 | 37,134 |
| 1880s Decade Quiz | 0 | - | 4.14 | 36,679 |
| 1870s Decade Quiz | 0 | - | 4.20 | 34,124 |
| 1860s Decade Quiz | 0 | - | 4.25 | 37,606 |
| Biggest European Cities by Century | 0 | - | 4.96 | 115,203 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 68,324 |
| Military History Vocabulary | 0 | - | 4.91 | 57,693 |
| 2015 Year in Review | 0 | - | 3.96 | 24,678 |
| Neutral European Countries of WWII | 0 | - | 4.93 | 125,555 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 73,731 |
| Countries of Europe After World War II | 0 | - | 4.98 | 163,507 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 132,308 |
| Quiz on the Year 1908 | 0 | - | 4.26 | 11,029 |
| 2016 News Stories - Name the Country | 0 | - | 4.43 | 21,773 |
| 2016 Year in Review | 0 | - | 3.90 | 31,879 |
| Most Recently-Settled Countries | 0 | - | 4.88 | 47,575 |
| Biggest Roman Empire Countries | 0 | - | 4.83 | 79,769 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 65,582 |
| Metals of Antiquity | 0 | - | 4.96 | 68,834 |
| 1850s Decade Quiz | 0 | - | 4.25 | 32,208 |
| 1840s Decade Quiz | 0 | - | 4.21 | 34,751 |
| Soviet Union Country Quiz | 0 | - | 4.82 | 71,850 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.97 | 171,942 |
| The Trojan War | 0 | - | 4.82 | 29,152 |
| Quiz on the Year 1997 | 0 | - | 4.27 | 18,311 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 74,202 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.91 | 65,346 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 52,329 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 106,536 |
| 2017 News Stories - Name the Country | 0 | - | 4.44 | 26,363 |
| 2017 Year in Review | 0 | - | 4.44 | 29,404 |
| Quiz on the Year 1998 | 0 | - | 4.28 | 14,745 |
| 16th Century A-Z | 0 | - | 4.48 | 15,574 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 128,761 |
| 20th Century A-Z | 0 | - | 4.39 | 37,490 |
| 19th Century A-Z | 0 | - | 4.78 | 33,202 |
| 17th Century A-Z | 0 | - | 4.54 | 23,431 |
| 18th Century A-Z | 0 | - | 4.56 | 30,761 |
| 15th Century A-Z | 0 | - | 4.34 | 14,603 |
| 14th Century A-Z | 0 | - | 4.26 | 14,938 |
| Former Flags | 0 | - | 4.97 | 78,193 |
| Former Countries by Territory Map | 0 | - | 4.96 | 82,040 |
| The 9th and 10th Century | 0 | - | 4.47 | 27,538 |
| The 7th and 8th Century | 0 | - | 4.27 | 22,280 |
| The 5th and 6th Century | 0 | - | 4.63 | 20,436 |
| The 1st and 2nd Century | 0 | - | 4.54 | 21,269 |
| The 1st and 2nd Century BC | 0 | - | 4.45 | 14,712 |
| The 5th and 6th Century BC | 0 | - | 4.37 | 11,964 |
| The 7th, 8th, 9th and 10th Century BC | 0 | - | 4.60 | 9,680 |
| Countries of the World in 1900 | 0 | - | 4.87 | 61,203 |
| Empires by Maps | 0 | - | 4.99 | 87,783 |
| 2018 News Stories - Name the Country | 0 | - | 4.40 | 21,952 |
| Ultimate 20th Century History Quiz | 0 | - | 4.84 | 44,295 |
| WWII Figures by Picture | 0 | - | 4.83 | 36,982 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 45,907 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 163,031 |
| Territory Changes in World War I | 0 | - | 4.82 | 38,436 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 34,024 |
| Countries in the Byzantine Empire | 0 | - | 4.93 | 64,636 |
| Countries of Europe in 1444 | 0 | - | 4.93 | 83,070 |
| Name a Valid U.S. President #1 | 0 | - | 4.92 | 158,425 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 106,620 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 120,840 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 89,480 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 84,540 |
| Battle to Country | 0 | - | 4.87 | 33,485 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 94,923 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 84,384 |
| Countries by Former Name | 0 | - | 4.98 | 90,221 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 65,947 |
| Name a Valid Year in History | 0 | - | 4.95 | 48,577 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 38,045 |
| 2019 Year in Review | 0 | - | 4.40 | 31,795 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.89 | 44,520 |
| MLB Baseball by Year, 1990–present | 0 | - | 3.86 | 9,769 |
| NBA Basketball by Year, 2000–Present | 0 | - | 4.22 | 47,921 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 25,059 |
| The 21st Century | 0 | - | 4.49 | 70,325 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.95 | 68,200 |
| 2019 News Stories - Name the Country | 0 | - | 4.10 | 16,623 |
| NFL Football by Year, 2000–present | 0 | - | 4.15 | 22,032 |
| Countries by Founding Story | 0 | - | 4.91 | 52,610 |
| 2010s Decade Quiz | 0 | - | 4.52 | 78,097 |
| 1830s Decade Quiz | 0 | - | 4.29 | 26,225 |
| 1820s Decade Quiz | 0 | - | 4.40 | 26,438 |
| 1810s Decade Quiz | 0 | - | 4.50 | 22,576 |
| 1800s Decade Quiz | 0 | - | 4.43 | 23,246 |
| 1790s Decade Quiz | 0 | - | 4.45 | 24,711 |
| 1780s Decade Quiz | 0 | - | 4.17 | 18,603 |
| 1770s Decade Quiz | 0 | - | 3.89 | 19,731 |
| 2020 News Stories - Name the Country | 0 | - | 4.37 | 26,671 |
| WWI... or WWII? | 0 | - | 4.82 | 114,836 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 57,801 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 118,771 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.82 | 47,063 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 74,590 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 58,916 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.82 | 9,028 |
| 2020 Year in Review | 0 | - | 4.47 | 25,505 |
| Countries of the World in 1444 | 0 | - | 4.98 | 47,243 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 55,251 |
| Quiz on the Year 2000 | 0 | - | 4.02 | 17,763 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.94 | 24,103 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 60,982 |
| "Second Best" History Edition | 0 | - | 4.93 | 42,550 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 58,714 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.93 | 44,841 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 35,135 |
| History: What Came First? #1 | 0 | - | 4.85 | 86,031 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 63,001 |
| Play-Doh Presidents | 0 | - | 5.00 | 71,412 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 43,855 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 85,398 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 38,560 |
| The Life of Martin Luther King Jr. | 0 | - | 4.82 | 10,059 |
| 2020 Year in Review - The United States | 0 | - | 3.57 | 13,264 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.96 | 51,289 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.97 | 72,238 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 48,295 |
| Quiz on the Year 2001 | 0 | - | 4.28 | 20,519 |
| European History for Dummies | 0 | - | 4.81 | 61,497 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.85 | 46,081 |
| All Modern-Day Countries Ever Controlled by French People | 0 | - | 4.99 | 49,111 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.97 | 35,244 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 68,196 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 46,494 |
