| Quiz | Points | Best | Rating | Takes |
|---|
| U.S. Presidents Quiz | 0 | - | 4.99 | 2,672,935 |
| Letters of the Greek Alphabet | 0 | - | 4.92 | 499,026 |
| Olympian Gods Quiz | 0 | - | 4.95 | 402,839 |
| Fresh Prince of Bel-Air Lyrics | 0 | - | 4.82 | 551,989 |
| English Monarchs Quiz | 0 | - | 4.85 | 378,811 |
| Mythical Creatures Quiz #1 | 0 | - | 4.89 | 594,575 |
| Figures from Greek Mythology | 0 | - | 4.85 | 150,009 |
| Roman Numeral Decoding Quiz | 0 | - | 4.84 | 340,915 |
| 2010 Year in Review | 0 | - | 3.90 | 46,900 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 204,999 |
| Prime Ministers of the UK | 0 | - | 4.93 | 320,371 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,699 |
| 2011 Year in Review | 0 | - | 4.12 | 39,145 |
| Name that Greek Letter | 0 | - | 4.91 | 256,160 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 131,015 |
| Countries in World War II | 0 | - | 4.47 | 678,972 |
| Deadliest U.S. Wars | 0 | - | 4.81 | 141,553 |
| Countries in World War I | 0 | - | 4.92 | 182,555 |
| NBA Basketball by Year, 1970–1999 | 0 | - | 4.24 | 38,039 |
| #1 Hits of the 1980s | 0 | - | 4.85 | 112,981 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,033 |
| Countries of the Soviet Union | 0 | - | 4.99 | 145,937 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 91,892 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.56 | 390,576 |
| Independence from Whom | 0 | - | 4.99 | 152,736 |
| MLB Baseball by Year, 1960–1989 | 0 | - | 3.95 | 17,543 |
| NFL Football by Year, 1967–1999 | 0 | - | 4.23 | 23,148 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,495 |
| 2012 Year in Review | 0 | - | 3.96 | 43,419 |
| First Names of U.S. Presidents | 0 | - | 4.87 | 296,019 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,860 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,498 |
| The George W. Bush Presidency | 0 | - | 3.92 | 29,181 |
| The Bill Clinton Presidency | 0 | - | 4.12 | 28,233 |
| The George H. W. Bush Presidency | 0 | - | 4.33 | 18,997 |
| The Ronald Reagan Presidency | 0 | - | 4.20 | 21,662 |
| The Richard Nixon Presidency | 0 | - | 3.95 | 19,297 |
| The Jimmy Carter Presidency | 0 | - | 4.24 | 16,422 |
| The John F. Kennedy Presidency | 0 | - | 4.36 | 38,050 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,256 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 65,882 |
| 2013 Year in Review | 0 | - | 4.28 | 37,376 |
| Music by Year, 1990–2009 | 0 | - | 4.13 | 90,470 |
| Music by Year, 1970–1989 | 0 | - | 4.28 | 30,966 |
| Movies by Year, 1990–2009 | 0 | - | 4.13 | 59,029 |
| Movies by Year, 1970–1989 | 0 | - | 4.20 | 22,035 |
| Current Events by Year, 1990–2009 | 0 | - | 4.74 | 133,667 |
| Current Events by Year, 1970–1989 | 0 | - | 4.41 | 55,896 |
| Current Events by Year, 1950–1969 | 0 | - | 4.30 | 40,553 |
| Current Events by Year, 1930–1949 | 0 | - | 4.38 | 44,579 |
| Current Events by Year, 1910–1929 | 0 | - | 4.26 | 34,777 |
| Figures From the 18th Century | 0 | - | 3.93 | 14,565 |
| Ancient Greek Words | 0 | - | 4.83 | 71,876 |
| Confederate States of the U.S. Civil War | 0 | - | 4.92 | 103,219 |
| The 20th Century | 0 | - | 4.38 | 73,622 |
| The 19th Century | 0 | - | 4.38 | 49,166 |
| The 18th Century | 0 | - | 4.42 | 38,405 |
| The 17th Century | 0 | - | 4.38 | 39,788 |
| The 16th Century | 0 | - | 4.72 | 45,885 |
| The 15th Century | 0 | - | 4.30 | 38,999 |
| The 14th Century | 0 | - | 4.41 | 36,916 |
| The 13th Century | 0 | - | 4.35 | 31,211 |
| The 11th and 12th Century | 0 | - | 4.49 | 42,145 |
| Roman Emperors | 0 | - | 4.95 | 78,379 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,336 |
| Historical City to Country | 0 | - | 4.81 | 66,310 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,665 |
| Countries in the Ottoman Empire | 0 | - | 4.92 | 50,626 |
| 2014 Year in Review | 0 | - | 4.32 | 27,740 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,689 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.74 | 36,457 |
| 1990s Decade Quiz | 0 | - | 4.03 | 35,029 |
| 2000s Decade Quiz | 0 | - | 4.08 | 76,066 |
| 1980s Decade Quiz | 0 | - | 4.28 | 53,134 |
| 1970s Decade Quiz | 0 | - | 4.14 | 36,461 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 128,810 |
| 1960s Decade Quiz #1 | 0 | - | 4.29 | 36,032 |
| 1960s Decade Quiz #2 | 0 | - | 4.32 | 29,494 |
| 1950s Decade Quiz | 0 | - | 4.24 | 35,863 |
| 1940s Decade Quiz | 0 | - | 4.27 | 37,516 |
| 1930s Decade Quiz | 0 | - | 4.16 | 35,293 |
| 1920s Decade Quiz | 0 | - | 4.33 | 35,966 |
| 1910s Decade Quiz | 0 | - | 4.18 | 37,844 |
| 1900s Decade Quiz | 0 | - | 4.18 | 32,091 |
| 1890s Decade Quiz | 0 | - | 4.15 | 29,412 |
| 1880s Decade Quiz | 0 | - | 4.12 | 29,610 |
| 1870s Decade Quiz | 0 | - | 4.19 | 26,676 |
| 1860s Decade Quiz | 0 | - | 4.21 | 29,334 |
| A Quiz About Elvis Presley | 0 | - | 4.33 | 18,404 |
| Biggest European Cities by Century | 0 | - | 4.96 | 104,961 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,093 |
| Military History Vocabulary | 0 | - | 4.84 | 51,917 |
| 2015 Year in Review | 0 | - | 3.90 | 23,457 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 110,539 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 65,768 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,598 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,136 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 112,002 |
| The Barack Obama Presidency | 0 | - | 4.10 | 21,035 |
| Quiz on the Year 1908 | 0 | - | 4.22 | 9,885 |
| People in Pictures with Ronald Reagan | 0 | - | 4.30 | 34,159 |
| 2016 News Stories - Name the Country | 0 | - | 4.36 | 19,970 |
| 2016 Year in Review | 0 | - | 3.93 | 30,398 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 44,763 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 73,745 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,377 |
| Metals of Antiquity | 0 | - | 4.95 | 63,626 |
| 1850s Decade Quiz | 0 | - | 4.25 | 23,990 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,222 |
| The Trojan War | 0 | - | 4.83 | 25,930 |
| Quiz on the Year 1997 | 0 | - | 4.17 | 16,941 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,435 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,219 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,314 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,856 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 98,847 |
| 2017 News Stories - Name the Country | 0 | - | 4.48 | 23,961 |
| 2017 Year in Review | 0 | - | 4.41 | 27,239 |
| Quiz on the Year 1998 | 0 | - | 4.28 | 13,366 |
| 16th Century A-Z | 0 | - | 4.44 | 14,191 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 116,052 |
| 20th Century A-Z | 0 | - | 4.36 | 34,413 |
| 19th Century A-Z | 0 | - | 4.67 | 29,730 |
| 17th Century A-Z | 0 | - | 4.45 | 21,246 |
| 18th Century A-Z | 0 | - | 4.57 | 27,724 |
| 15th Century A-Z | 0 | - | 4.33 | 12,972 |
| 14th Century A-Z | 0 | - | 4.24 | 13,391 |
| Former Flags | 0 | - | 4.96 | 70,512 |
| Former Countries by Territory Map | 0 | - | 4.96 | 74,928 |
| The 9th and 10th Century | 0 | - | 4.41 | 25,719 |
| The 7th and 8th Century | 0 | - | 4.32 | 21,025 |
| The 5th and 6th Century | 0 | - | 4.56 | 18,786 |
| The 1st and 2nd Century | 0 | - | 4.57 | 19,441 |
| The 1st and 2nd Century BC | 0 | - | 4.40 | 12,951 |
| The 3rd and 4th Century BC | 0 | - | 4.44 | 11,697 |
| The 5th and 6th Century BC | 0 | - | 4.43 | 10,461 |
| The 7th, 8th, 9th and 10th Century BC | 0 | - | 4.56 | 8,019 |
| Countries of the World in 1900 | 0 | - | 4.87 | 52,223 |
| Empires by Maps | 0 | - | 4.99 | 75,191 |
| 2018 News Stories - Name the Country | 0 | - | 4.40 | 19,915 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 40,497 |
| Two Letter Roman Numerals | 0 | - | 4.94 | 27,994 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 146,540 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.82 | 16,960 |
| Louisiana Purchase with a Map | 0 | - | 4.94 | 30,364 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,174 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 72,651 |
| Name a Valid U.S. President #1 | 0 | - | 4.93 | 125,963 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 92,718 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 105,260 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 80,191 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 74,134 |
| Battle to Country | 0 | - | 4.89 | 30,525 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 84,418 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 66,902 |
| Cities by Former Name | 0 | - | 4.82 | 62,594 |
| Countries by Former Name | 0 | - | 4.99 | 82,477 |
| George Bush... or George Bush | 0 | - | 3.87 | 6,986 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 58,610 |
| Name a Valid Year in History | 0 | - | 4.97 | 37,914 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 32,995 |
| 2019 Year in Review | 0 | - | 4.38 | 28,935 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.89 | 36,752 |
| MLB Baseball by Year, 1990–present | 0 | - | 3.69 | 7,968 |
| NBA Basketball by Year, 2000–present | 0 | - | 4.13 | 32,495 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 20,909 |
| The 21st Century | 0 | - | 4.44 | 58,506 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 58,433 |
| 2019 News Stories - Name the Country | 0 | - | 4.10 | 15,068 |
| NFL Football by Year, 2000–present | 0 | - | 4.26 | 15,818 |
| Countries by Founding Story | 0 | - | 4.91 | 48,758 |
| 2010s Decade Quiz | 0 | - | 4.54 | 53,357 |
| 1830s Decade Quiz | 0 | - | 4.33 | 18,728 |
| 1820s Decade Quiz | 0 | - | 4.40 | 18,651 |
| 1810s Decade Quiz | 0 | - | 4.44 | 19,021 |
| 1800s Decade Quiz | 0 | - | 4.38 | 19,875 |
| 1790s Decade Quiz | 0 | - | 4.39 | 21,482 |
| 1780s Decade Quiz | 0 | - | 4.09 | 16,443 |
| 1770s Decade Quiz | 0 | - | 3.86 | 17,491 |
| 2020 News Stories - Name the Country | 0 | - | 4.32 | 23,790 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 49,939 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.98 | 97,876 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.84 | 41,024 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 65,583 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.82 | 32,641 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 52,149 |
| 2020 Year in Review | 0 | - | 4.45 | 23,277 |
| Countries of the World in 1444 | 0 | - | 4.95 | 41,200 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.96 | 46,413 |
| Quiz on the Year 2000 | 0 | - | 4.02 | 16,356 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.94 | 18,099 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 52,790 |
| "Second Best" History Edition | 0 | - | 4.91 | 26,235 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 49,828 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.84 | 34,741 |
| History: What Came First? #1 | 0 | - | 4.81 | 62,675 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.98 | 54,870 |
| Play-Doh Presidents | 0 | - | 5.00 | 62,300 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 37,148 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 64,538 |
