| Quiz | Points | Best | Rating | Takes |
|---|
| U.S. Presidents Quiz | 0 | - | 4.99 | 2,699,093 |
| Letters of the Greek Alphabet | 0 | - | 4.92 | 503,520 |
| Olympian Gods Quiz | 0 | - | 4.95 | 405,598 |
| Fresh Prince of Bel-Air Lyrics | 0 | - | 4.84 | 553,977 |
| English Monarchs Quiz | 0 | - | 4.86 | 382,482 |
| Communist Countries in History | 0 | - | 4.48 | 386,027 |
| Mythical Creatures Quiz #1 | 0 | - | 4.88 | 598,641 |
| Figures from Greek Mythology | 0 | - | 4.86 | 151,165 |
| Roman Numeral Decoding Quiz | 0 | - | 4.85 | 343,805 |
| 2010 Year in Review | 0 | - | 3.90 | 46,978 |
| Commonwealth of Nations Countries | 0 | - | 4.93 | 206,018 |
| Prime Ministers of the UK | 0 | - | 4.93 | 322,804 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 133,492 |
| 2011 Year in Review | 0 | - | 4.12 | 39,260 |
| Name that Greek Letter | 0 | - | 4.90 | 257,823 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 131,998 |
| Countries in World War II | 0 | - | 4.48 | 686,209 |
| Deadliest U.S. Wars | 0 | - | 4.81 | 142,553 |
| Countries in World War I | 0 | - | 4.91 | 184,191 |
| NBA Basketball by Year, 1970–1999 | 0 | - | 4.24 | 38,334 |
| #1 Hits of the 1980s | 0 | - | 4.86 | 113,757 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,718 |
| Countries of the Soviet Union | 0 | - | 4.99 | 147,283 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 92,581 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.57 | 393,977 |
| Independence from Whom | 0 | - | 4.99 | 160,668 |
| MLB Baseball by Year, 1960–1989 | 0 | - | 3.98 | 17,588 |
| NFL Football by Year, 1967–1999 | 0 | - | 4.24 | 23,215 |
| Biggest English Cities by Century | 0 | - | 4.92 | 86,346 |
| 2012 Year in Review | 0 | - | 3.96 | 43,496 |
| First Names of U.S. Presidents | 0 | - | 4.87 | 298,584 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 147,975 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,970 |
| The George W. Bush Presidency | 0 | - | 3.92 | 29,249 |
| The Bill Clinton Presidency | 0 | - | 4.12 | 28,309 |
| The George H. W. Bush Presidency | 0 | - | 4.34 | 19,078 |
| The Ronald Reagan Presidency | 0 | - | 4.21 | 21,760 |
| The Richard Nixon Presidency | 0 | - | 3.95 | 19,369 |
| The Jimmy Carter Presidency | 0 | - | 4.24 | 16,490 |
| The John F. Kennedy Presidency | 0 | - | 4.36 | 38,216 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.96 | 58,700 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 66,329 |
| 2013 Year in Review | 0 | - | 4.28 | 37,516 |
| Music by Year, 1990–2009 | 0 | - | 4.13 | 91,727 |
| Music by Year, 1970–1989 | 0 | - | 4.15 | 34,740 |
| Movies by Year, 1990–2009 | 0 | - | 4.13 | 59,301 |
| Movies by Year, 1970–1989 | 0 | - | 4.20 | 22,136 |
| Current Events by Year, 1990–2009 | 0 | - | 4.74 | 134,718 |
| Current Events by Year, 1970–1989 | 0 | - | 4.43 | 56,628 |
| Current Events by Year, 1950–1969 | 0 | - | 4.27 | 41,238 |
| Current Events by Year, 1930–1949 | 0 | - | 4.40 | 45,412 |
| Current Events by Year, 1910–1929 | 0 | - | 4.30 | 42,268 |
| Figures From the 18th Century | 0 | - | 3.93 | 14,596 |
| Ancient Greek Words | 0 | - | 4.84 | 73,187 |
| Confederate States of the U.S. Civil War | 0 | - | 4.93 | 104,058 |
| The 20th Century | 0 | - | 4.39 | 73,892 |
| The 19th Century | 0 | - | 4.38 | 49,398 |
| The 18th Century | 0 | - | 4.42 | 38,604 |
| The 17th Century | 0 | - | 4.38 | 39,948 |
| The 16th Century | 0 | - | 4.68 | 46,103 |
| The 15th Century | 0 | - | 4.30 | 39,139 |
| The 14th Century | 0 | - | 4.41 | 37,067 |
| The 13th Century | 0 | - | 4.35 | 31,368 |
| The 11th and 12th Century | 0 | - | 4.49 | 42,339 |
| Roman Emperors | 0 | - | 4.95 | 79,531 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 182,886 |
| Historical City to Country | 0 | - | 4.81 | 66,727 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 75,470 |
| Countries in the Ottoman Empire | 0 | - | 4.93 | 51,108 |
| 2014 Year in Review | 0 | - | 4.32 | 27,901 |
| Countries Settled by Vikings | 0 | - | 4.92 | 92,276 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.74 | 36,540 |
| 1990s Decade Quiz | 0 | - | 4.03 | 35,155 |
| 2000s Decade Quiz | 0 | - | 4.08 | 76,339 |
| 1980s Decade Quiz | 0 | - | 4.28 | 53,370 |
| 1970s Decade Quiz | 0 | - | 4.14 | 36,595 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 129,531 |
| 1960s Decade Quiz #1 | 0 | - | 4.30 | 36,165 |
| 1960s Decade Quiz #2 | 0 | - | 4.33 | 29,661 |
| 1950s Decade Quiz | 0 | - | 4.25 | 35,986 |
| 1940s Decade Quiz | 0 | - | 4.26 | 37,667 |
| 1930s Decade Quiz | 0 | - | 4.16 | 35,401 |
| 1920s Decade Quiz | 0 | - | 4.30 | 36,103 |
| 1910s Decade Quiz | 0 | - | 4.18 | 37,955 |
| 1900s Decade Quiz | 0 | - | 4.18 | 32,168 |
| 1890s Decade Quiz | 0 | - | 4.15 | 29,497 |
| 1880s Decade Quiz | 0 | - | 4.12 | 29,690 |
| 1870s Decade Quiz | 0 | - | 4.19 | 26,753 |
| 1860s Decade Quiz | 0 | - | 4.21 | 29,436 |
| A Quiz About Elvis Presley | 0 | - | 4.33 | 18,502 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,814 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,645 |
| Military History Vocabulary | 0 | - | 4.84 | 52,398 |
| 2015 Year in Review | 0 | - | 3.90 | 23,534 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 111,758 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 66,612 |
| Countries of Europe After World War II | 0 | - | 4.97 | 144,651 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 113,580 |
| The Barack Obama Presidency | 0 | - | 4.10 | 21,142 |
| Quiz on the Year 1908 | 0 | - | 4.22 | 9,978 |
| People in Pictures with Ronald Reagan | 0 | - | 4.28 | 34,349 |
| 2016 News Stories - Name the Country | 0 | - | 4.36 | 20,116 |
| 2016 Year in Review | 0 | - | 3.93 | 30,491 |
| Most Recently-Settled Countries | 0 | - | 4.90 | 45,056 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 74,294 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,829 |
| Metals of Antiquity | 0 | - | 4.95 | 64,067 |
| 1850s Decade Quiz | 0 | - | 4.25 | 24,079 |
| 1840s Decade Quiz | 0 | - | 4.20 | 26,598 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 143,502 |
| The Trojan War | 0 | - | 4.84 | 26,165 |
| Quiz on the Year 1997 | 0 | - | 4.17 | 17,028 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,907 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 54,605 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,705 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 48,240 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 99,595 |
| 2017 News Stories - Name the Country | 0 | - | 4.48 | 24,157 |
| 2017 Year in Review | 0 | - | 4.41 | 27,416 |
| Quiz on the Year 1998 | 0 | - | 4.28 | 13,470 |
| 16th Century A-Z | 0 | - | 4.44 | 14,304 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 117,246 |
| 20th Century A-Z | 0 | - | 4.36 | 34,678 |
| 19th Century A-Z | 0 | - | 4.67 | 30,067 |
| 17th Century A-Z | 0 | - | 4.45 | 21,419 |
| 18th Century A-Z | 0 | - | 4.57 | 27,999 |
| 15th Century A-Z | 0 | - | 4.33 | 13,094 |
| 14th Century A-Z | 0 | - | 4.24 | 13,522 |
| Former Flags | 0 | - | 4.96 | 71,239 |
| Former Countries by Territory Map | 0 | - | 4.96 | 75,603 |
| The 9th and 10th Century | 0 | - | 4.41 | 25,868 |
| The 7th and 8th Century | 0 | - | 4.32 | 21,126 |
| The 5th and 6th Century | 0 | - | 4.64 | 18,938 |
| The 1st and 2nd Century | 0 | - | 4.57 | 19,619 |
| The 1st and 2nd Century BC | 0 | - | 4.40 | 13,092 |
| The 3rd and 4th Century BC | 0 | - | 4.39 | 11,816 |
| The 5th and 6th Century BC | 0 | - | 4.43 | 10,602 |
| The 7th, 8th, 9th and 10th Century BC | 0 | - | 4.58 | 8,180 |
| Countries of the World in 1900 | 0 | - | 4.86 | 53,122 |
| Empires by Maps | 0 | - | 4.99 | 76,352 |
| 2018 News Stories - Name the Country | 0 | - | 4.40 | 20,100 |
| Ultimate 20th Century History Quiz | 0 | - | 4.88 | 40,833 |
| Two Letter Roman Numerals | 0 | - | 4.94 | 28,752 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 148,149 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.82 | 17,141 |
| Louisiana Purchase with a Map | 0 | - | 4.94 | 30,670 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,648 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 73,694 |
| Name a Valid U.S. President #1 | 0 | - | 4.93 | 127,308 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 93,901 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 106,838 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 81,031 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 75,089 |
| Battle to Country | 0 | - | 4.89 | 30,798 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 85,368 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 67,479 |
| Cities by Former Name | 0 | - | 4.82 | 63,074 |
| Countries by Former Name | 0 | - | 4.98 | 83,178 |
| George Bush... or George Bush | 0 | - | 3.87 | 7,022 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 59,352 |
| Name a Valid Year in History | 0 | - | 4.97 | 38,925 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 33,450 |
| 2019 Year in Review | 0 | - | 4.38 | 29,130 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.89 | 37,495 |
| MLB Baseball by Year, 1990–present | 0 | - | 3.69 | 8,026 |
| NBA Basketball by Year, 2000–present | 0 | - | 4.14 | 33,015 |
| States of the German Confederation in 1848 | 0 | - | 4.86 | 21,343 |
| The 21st Century | 0 | - | 4.44 | 58,950 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 59,307 |
| 2019 News Stories - Name the Country | 0 | - | 4.08 | 15,197 |
| NFL Football by Year, 2000–present | 0 | - | 4.20 | 15,961 |
| Countries by Founding Story | 0 | - | 4.91 | 49,075 |
| 2010s Decade Quiz | 0 | - | 4.54 | 53,824 |
| 1830s Decade Quiz | 0 | - | 4.33 | 18,850 |
| 1820s Decade Quiz | 0 | - | 4.40 | 18,739 |
| 1810s Decade Quiz | 0 | - | 4.44 | 19,130 |
| 1800s Decade Quiz | 0 | - | 4.38 | 19,992 |
| 1790s Decade Quiz | 0 | - | 4.40 | 21,618 |
| 1770s Decade Quiz | 0 | - | 3.86 | 17,548 |
| 2020 News Stories - Name the Country | 0 | - | 4.32 | 24,019 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 50,724 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.98 | 99,527 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.86 | 41,602 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.99 | 66,496 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.84 | 33,153 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 52,796 |
| 2020 Year in Review | 0 | - | 4.40 | 23,458 |
| Countries of the World in 1444 | 0 | - | 4.95 | 41,822 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.95 | 47,214 |
| Quiz on the Year 2000 | 0 | - | 4.02 | 16,443 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.95 | 18,450 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 53,471 |
| "Second Best" History Edition | 0 | - | 4.93 | 26,656 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 50,690 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.84 | 35,611 |
| History: What Came First? #1 | 0 | - | 4.82 | 63,509 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 55,561 |
| Play-Doh Presidents | 0 | - | 5.00 | 62,924 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 37,899 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 66,411 |
