| Quiz | Points | Best | Rating | Takes |
|---|
| U.S. Presidents Quiz | 0 | - | 4.99 | 2,670,843 |
| Letters of the Greek Alphabet | 0 | - | 4.92 | 498,710 |
| Olympian Gods Quiz | 0 | - | 4.95 | 402,601 |
| Fresh Prince of Bel-Air Lyrics | 0 | - | 4.82 | 551,832 |
| English Monarchs Quiz | 0 | - | 4.84 | 378,557 |
| Mythical Creatures Quiz #1 | 0 | - | 4.89 | 594,300 |
| Figures from Greek Mythology | 0 | - | 4.85 | 149,926 |
| Roman Numeral Decoding Quiz | 0 | - | 4.84 | 340,705 |
| 2010 Year in Review | 0 | - | 3.90 | 46,894 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 204,936 |
| Prime Ministers of the UK | 0 | - | 4.93 | 320,241 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,641 |
| 2011 Year in Review | 0 | - | 4.12 | 39,137 |
| Name that Greek Letter | 0 | - | 4.92 | 256,045 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 130,944 |
| Countries in World War II | 0 | - | 4.47 | 678,391 |
| Deadliest U.S. Wars | 0 | - | 4.81 | 141,467 |
| Countries in World War I | 0 | - | 4.92 | 182,426 |
| NBA Basketball by Year, 1970–1999 | 0 | - | 4.24 | 38,012 |
| #1 Hits of the 1980s | 0 | - | 4.85 | 112,931 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 69,990 |
| Countries of the Soviet Union | 0 | - | 4.99 | 145,838 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 91,848 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.56 | 390,368 |
| Independence from Whom | 0 | - | 4.99 | 152,641 |
| MLB Baseball by Year, 1960–1989 | 0 | - | 3.95 | 17,539 |
| NFL Football by Year, 1967–1999 | 0 | - | 4.23 | 23,143 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,443 |
| 2012 Year in Review | 0 | - | 3.96 | 43,412 |
| First Names of U.S. Presidents | 0 | - | 4.87 | 295,840 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,800 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,460 |
| The George W. Bush Presidency | 0 | - | 3.92 | 29,178 |
| The Bill Clinton Presidency | 0 | - | 4.12 | 28,223 |
| The George H. W. Bush Presidency | 0 | - | 4.33 | 18,993 |
| The Ronald Reagan Presidency | 0 | - | 4.20 | 21,655 |
| The Richard Nixon Presidency | 0 | - | 3.95 | 19,293 |
| The Jimmy Carter Presidency | 0 | - | 4.24 | 16,416 |
| The John F. Kennedy Presidency | 0 | - | 4.36 | 38,046 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,217 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 65,848 |
| 2013 Year in Review | 0 | - | 4.28 | 37,366 |
| Music by Year, 1990–2009 | 0 | - | 4.13 | 90,013 |
| Music by Year, 1970–1989 | 0 | - | 4.28 | 26,958 |
| Movies by Year, 1990–2009 | 0 | - | 4.13 | 58,986 |
| Movies by Year, 1970–1989 | 0 | - | 4.20 | 22,025 |
| Current Events by Year, 1990–2009 | 0 | - | 4.74 | 133,613 |
| Current Events by Year, 1970–1989 | 0 | - | 4.41 | 55,846 |
| Current Events by Year, 1950–1969 | 0 | - | 4.30 | 40,534 |
| Current Events by Year, 1930–1949 | 0 | - | 4.38 | 44,547 |
| Current Events by Year, 1910–1929 | 0 | - | 4.26 | 34,763 |
| Figures From the 18th Century | 0 | - | 3.93 | 14,564 |
| Ancient Greek Words | 0 | - | 4.83 | 71,764 |
| Confederate States of the U.S. Civil War | 0 | - | 4.92 | 103,134 |
| The 20th Century | 0 | - | 4.38 | 73,608 |
| The 19th Century | 0 | - | 4.38 | 49,154 |
| The 18th Century | 0 | - | 4.42 | 38,389 |
| The 17th Century | 0 | - | 4.38 | 39,776 |
| The 16th Century | 0 | - | 4.72 | 45,869 |
| The 15th Century | 0 | - | 4.30 | 38,993 |
| The 14th Century | 0 | - | 4.41 | 36,906 |
| The 13th Century | 0 | - | 4.35 | 31,204 |
| The 11th and 12th Century | 0 | - | 4.49 | 42,130 |
| Roman Emperors | 0 | - | 4.95 | 78,312 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,216 |
| Historical City to Country | 0 | - | 4.81 | 66,285 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,591 |
| Countries in the Ottoman Empire | 0 | - | 4.92 | 50,587 |
| 2014 Year in Review | 0 | - | 4.32 | 27,725 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,645 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.74 | 36,452 |
| 1990s Decade Quiz | 0 | - | 4.03 | 35,015 |
| 2000s Decade Quiz | 0 | - | 4.08 | 76,037 |
| 1980s Decade Quiz | 0 | - | 4.28 | 53,114 |
| 1970s Decade Quiz | 0 | - | 4.14 | 36,451 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 128,745 |
| 1960s Decade Quiz #1 | 0 | - | 4.29 | 36,024 |
| 1960s Decade Quiz #2 | 0 | - | 4.32 | 29,484 |
| 1950s Decade Quiz | 0 | - | 4.24 | 35,852 |
| 1940s Decade Quiz | 0 | - | 4.27 | 37,506 |
| 1930s Decade Quiz | 0 | - | 4.16 | 35,287 |
| 1920s Decade Quiz | 0 | - | 4.33 | 35,953 |
| 1910s Decade Quiz | 0 | - | 4.18 | 37,834 |
| 1900s Decade Quiz | 0 | - | 4.18 | 32,086 |
| 1890s Decade Quiz | 0 | - | 4.15 | 29,405 |
| 1880s Decade Quiz | 0 | - | 4.12 | 29,599 |
| 1870s Decade Quiz | 0 | - | 4.19 | 26,669 |
| A Quiz About Elvis Presley | 0 | - | 4.33 | 18,395 |
| Biggest European Cities by Century | 0 | - | 4.96 | 104,904 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,056 |
| Military History Vocabulary | 0 | - | 4.84 | 51,878 |
| 2015 Year in Review | 0 | - | 3.90 | 23,448 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 110,450 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 65,709 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,578 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,032 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 111,871 |
| The Barack Obama Presidency | 0 | - | 4.10 | 21,021 |
| Quiz on the Year 1908 | 0 | - | 4.22 | 9,878 |
| People in Pictures with Ronald Reagan | 0 | - | 4.30 | 34,149 |
| 2016 News Stories - Name the Country | 0 | - | 4.36 | 19,958 |
| 2016 Year in Review | 0 | - | 3.93 | 30,390 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 44,742 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 73,707 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,348 |
| Metals of Antiquity | 0 | - | 4.95 | 63,590 |
| 1850s Decade Quiz | 0 | - | 4.25 | 23,977 |
| 1840s Decade Quiz | 0 | - | 4.20 | 26,503 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,127 |
| The Trojan War | 0 | - | 4.84 | 25,911 |
| Quiz on the Year 1997 | 0 | - | 4.17 | 16,934 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,390 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,182 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,283 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,835 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 98,723 |
| 2017 News Stories - Name the Country | 0 | - | 4.48 | 23,940 |
| 2017 Year in Review | 0 | - | 4.41 | 27,229 |
| Quiz on the Year 1998 | 0 | - | 4.28 | 13,358 |
| 16th Century A-Z | 0 | - | 4.44 | 14,179 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 115,974 |
| 20th Century A-Z | 0 | - | 4.36 | 34,397 |
| 19th Century A-Z | 0 | - | 4.67 | 29,713 |
| 17th Century A-Z | 0 | - | 4.45 | 21,230 |
| 18th Century A-Z | 0 | - | 4.57 | 27,688 |
| 15th Century A-Z | 0 | - | 4.33 | 12,966 |
| 14th Century A-Z | 0 | - | 4.24 | 13,373 |
| Former Flags | 0 | - | 4.96 | 70,464 |
| Former Countries by Territory Map | 0 | - | 4.96 | 74,884 |
| The 9th and 10th Century | 0 | - | 4.41 | 25,704 |
| The 7th and 8th Century | 0 | - | 4.32 | 21,019 |
| The 5th and 6th Century | 0 | - | 4.56 | 18,779 |
| The 1st and 2nd Century | 0 | - | 4.57 | 19,433 |
| The 1st and 2nd Century BC | 0 | - | 4.40 | 12,941 |
| The 3rd and 4th Century BC | 0 | - | 4.44 | 11,687 |
| The 5th and 6th Century BC | 0 | - | 4.43 | 10,450 |
| The 7th, 8th, 9th and 10th Century BC | 0 | - | 4.56 | 8,004 |
| Countries of the World in 1900 | 0 | - | 4.87 | 52,165 |
| Empires by Maps | 0 | - | 4.99 | 75,119 |
| 2018 News Stories - Name the Country | 0 | - | 4.40 | 19,897 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 40,473 |
| Two Letter Roman Numerals | 0 | - | 4.94 | 27,935 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 146,441 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.82 | 16,942 |
| Louisiana Purchase with a Map | 0 | - | 4.94 | 30,339 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,153 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 72,571 |
| Name a Valid U.S. President #1 | 0 | - | 4.93 | 125,864 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 92,632 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 105,147 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 80,118 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 74,068 |
| Battle to Country | 0 | - | 4.89 | 30,496 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 84,342 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 66,853 |
| Cities by Former Name | 0 | - | 4.82 | 62,556 |
| Countries by Former Name | 0 | - | 4.99 | 82,421 |
| George Bush... or George Bush | 0 | - | 3.87 | 6,982 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 58,562 |
| Name a Valid Year in History | 0 | - | 4.97 | 37,841 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 32,965 |
| 2019 Year in Review | 0 | - | 4.38 | 28,924 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.89 | 36,659 |
| MLB Baseball by Year, 1990–present | 0 | - | 3.69 | 7,962 |
| NBA Basketball by Year, 2000–present | 0 | - | 4.13 | 32,448 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 20,880 |
| The 21st Century | 0 | - | 4.44 | 58,472 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 58,373 |
| 2019 News Stories - Name the Country | 0 | - | 4.10 | 15,063 |
| NFL Football by Year, 2000–present | 0 | - | 4.26 | 15,802 |
| Countries by Founding Story | 0 | - | 4.91 | 48,737 |
| 2010s Decade Quiz | 0 | - | 4.54 | 53,314 |
| 1830s Decade Quiz | 0 | - | 4.33 | 18,714 |
| 1820s Decade Quiz | 0 | - | 4.40 | 18,644 |
| 1810s Decade Quiz | 0 | - | 4.44 | 19,010 |
| 1800s Decade Quiz | 0 | - | 4.38 | 19,863 |
| 1790s Decade Quiz | 0 | - | 4.39 | 21,475 |
| 1780s Decade Quiz | 0 | - | 4.09 | 16,439 |
| 1770s Decade Quiz | 0 | - | 3.86 | 17,486 |
| 2020 News Stories - Name the Country | 0 | - | 4.32 | 23,773 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 49,890 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.98 | 97,752 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.84 | 40,980 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 65,521 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.82 | 32,597 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 52,095 |
| 2020 Year in Review | 0 | - | 4.45 | 23,266 |
| Countries of the World in 1444 | 0 | - | 4.95 | 41,137 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.95 | 46,342 |
| Quiz on the Year 2000 | 0 | - | 4.02 | 16,347 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.94 | 18,064 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 52,750 |
| "Second Best" History Edition | 0 | - | 4.91 | 26,206 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 49,774 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.84 | 34,660 |
| History: What Came First? #1 | 0 | - | 4.81 | 62,619 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.98 | 54,817 |
| Play-Doh Presidents | 0 | - | 5.00 | 62,258 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 37,097 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 64,351 |
