| Quiz | Points | Best | Rating | Takes |
|---|
| U.S. Presidents Quiz | 0 | - | 4.99 | 2,669,267 |
| U.S. Presidents by Picture | 0 | - | 4.80 | 346,682 |
| Shakespeare's Plays Quiz | 0 | - | 4.36 | 303,799 |
| Letters of the Greek Alphabet | 0 | - | 4.92 | 498,433 |
| Olympian Gods Quiz | 0 | - | 4.95 | 402,447 |
| English Monarchs Quiz | 0 | - | 4.85 | 378,345 |
| Words for Leaders | 0 | - | 4.66 | 184,899 |
| Communist Countries in History | 0 | - | 4.47 | 382,186 |
| Famous Dictators Quiz #1 | 0 | - | 4.52 | 167,974 |
| Mythical Creatures Quiz #1 | 0 | - | 4.89 | 594,088 |
| Figures from Greek Mythology | 0 | - | 4.85 | 149,854 |
| Roman Numeral Decoding Quiz | 0 | - | 4.84 | 340,446 |
| Name that Historical Figure #1 | 0 | - | 4.67 | 261,797 |
| 2010 Year in Review | 0 | - | 3.90 | 46,884 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 204,878 |
| Prime Ministers of the UK | 0 | - | 4.93 | 320,094 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,582 |
| Ye Olde Professions | 0 | - | 4.52 | 120,093 |
| 2011 Year in Review | 0 | - | 4.12 | 39,128 |
| Name that Greek Letter | 0 | - | 4.92 | 255,931 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 130,884 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.07 | 840,747 |
| Countries in World War II | 0 | - | 4.47 | 677,944 |
| Deadliest U.S. Wars | 0 | - | 4.81 | 141,410 |
| Countries in World War I | 0 | - | 4.92 | 182,317 |
| Biggest Nations and Empires Ever | 0 | - | 4.64 | 120,806 |
| NBA Basketball by Year, 1970–1999 | 0 | - | 4.24 | 37,995 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 69,928 |
| Countries of the Soviet Union | 0 | - | 4.99 | 145,756 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 91,801 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.56 | 390,201 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.33 | 564,805 |
| Independence from Whom | 0 | - | 4.99 | 152,588 |
| MLB Baseball by Year, 1960–1989 | 0 | - | 3.95 | 17,537 |
| NFL Football by Year, 1967–1999 | 0 | - | 4.23 | 23,140 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,373 |
| 2012 Year in Review | 0 | - | 3.96 | 43,409 |
| Who Controlled These Colonies? | 0 | - | 4.73 | 100,381 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 295,717 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,757 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,425 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,181 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 65,817 |
| 2013 Year in Review | 0 | - | 4.28 | 37,355 |
| Music by Year, 1990–2009 | 0 | - | 4.13 | 89,964 |
| Music by Year, 1970–1989 | 0 | - | 4.28 | 26,942 |
| Movies by Year, 1990–2009 | 0 | - | 4.13 | 58,973 |
| Movies by Year, 1970–1989 | 0 | - | 4.20 | 22,022 |
| Current Events by Year, 1990–2009 | 0 | - | 4.73 | 133,587 |
| Current Events by Year, 1970–1989 | 0 | - | 4.41 | 55,830 |
| Current Events by Year, 1950–1969 | 0 | - | 4.30 | 40,522 |
| Current Events by Year, 1930–1949 | 0 | - | 4.38 | 44,530 |
| Figures From the 18th Century | 0 | - | 3.93 | 14,564 |
| Ancient Greek Words | 0 | - | 4.83 | 71,667 |
| Confederate States of the U.S. Civil War | 0 | - | 4.92 | 103,069 |
| The 20th Century | 0 | - | 4.38 | 73,593 |
| The 19th Century | 0 | - | 4.38 | 49,146 |
| The 18th Century | 0 | - | 4.42 | 38,376 |
| The 17th Century | 0 | - | 4.38 | 39,766 |
| The 16th Century | 0 | - | 4.72 | 45,861 |
| The 15th Century | 0 | - | 4.30 | 38,983 |
| The 14th Century | 0 | - | 4.41 | 36,890 |
| The 13th Century | 0 | - | 4.35 | 31,196 |
| The 11th and 12th Century | 0 | - | 4.49 | 42,113 |
| Roman Emperors | 0 | - | 4.95 | 78,255 |
| History by Letter - A | 0 | - | 4.47 | 114,831 |
| History by Letter - B | 0 | - | 4.52 | 131,221 |
| History by Letter - C | 0 | - | 4.64 | 126,777 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,134 |
| History by Letter - J | 0 | - | 4.45 | 110,818 |
| Historical City to Country | 0 | - | 4.81 | 66,255 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,520 |
| Countries in the Ottoman Empire | 0 | - | 4.92 | 50,556 |
| 2014 Year in Review | 0 | - | 4.32 | 27,715 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,612 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.74 | 36,451 |
| 1990s Decade Quiz | 0 | - | 4.03 | 35,010 |
| 2000s Decade Quiz | 0 | - | 4.08 | 76,023 |
| 1980s Decade Quiz | 0 | - | 4.28 | 53,104 |
| 1970s Decade Quiz | 0 | - | 4.14 | 36,440 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 128,695 |
| 1960s Decade Quiz #1 | 0 | - | 4.29 | 36,013 |
| 1960s Decade Quiz #2 | 0 | - | 4.32 | 29,472 |
| 1950s Decade Quiz | 0 | - | 4.24 | 35,844 |
| 1940s Decade Quiz | 0 | - | 4.27 | 37,494 |
| 1930s Decade Quiz | 0 | - | 4.16 | 35,278 |
| 1920s Decade Quiz | 0 | - | 4.33 | 35,943 |
| 1910s Decade Quiz | 0 | - | 4.18 | 37,829 |
| 1900s Decade Quiz | 0 | - | 4.18 | 32,075 |
| 1890s Decade Quiz | 0 | - | 4.15 | 29,398 |
| 1880s Decade Quiz | 0 | - | 4.12 | 29,591 |
| 1870s Decade Quiz | 0 | - | 4.19 | 26,659 |
| 1860s Decade Quiz | 0 | - | 4.21 | 29,314 |
| Biggest European Cities by Century | 0 | - | 4.97 | 104,867 |
| Former Countries | 0 | - | 4.53 | 100,212 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 59,013 |
| Military History Vocabulary | 0 | - | 4.84 | 51,854 |
| 2015 Year in Review | 0 | - | 3.90 | 23,445 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 110,382 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 65,671 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,559 |
| Countries of Europe After World War II | 0 | - | 4.97 | 142,878 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 111,730 |
| Quiz on the Year 1908 | 0 | - | 4.22 | 9,869 |
| 2016 News Stories - Name the Country | 0 | - | 4.36 | 19,945 |
| 2016 Year in Review | 0 | - | 3.93 | 30,385 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 44,726 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 73,676 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,320 |
| Metals of Antiquity | 0 | - | 4.95 | 63,570 |
| 1850s Decade Quiz | 0 | - | 4.25 | 23,971 |
| 1840s Decade Quiz | 0 | - | 4.20 | 26,496 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,053 |
| The Trojan War | 0 | - | 4.84 | 25,895 |
| Quiz on the Year 1997 | 0 | - | 4.17 | 16,926 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,364 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,154 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,255 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,809 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 98,633 |
| 2017 News Stories - Name the Country | 0 | - | 4.47 | 23,918 |
| 2017 Year in Review | 0 | - | 4.41 | 27,220 |
| Quiz on the Year 1998 | 0 | - | 4.28 | 13,350 |
| 16th Century A-Z | 0 | - | 4.44 | 14,170 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 115,905 |
| 20th Century A-Z | 0 | - | 4.36 | 34,382 |
| 19th Century A-Z | 0 | - | 4.67 | 29,691 |
| 17th Century A-Z | 0 | - | 4.45 | 21,215 |
| 18th Century A-Z | 0 | - | 4.57 | 27,669 |
| 15th Century A-Z | 0 | - | 4.33 | 12,958 |
| 14th Century A-Z | 0 | - | 4.24 | 13,363 |
| Former Flags | 0 | - | 4.96 | 70,414 |
| Former Countries by Territory Map | 0 | - | 4.96 | 74,842 |
| The 9th and 10th Century | 0 | - | 4.41 | 25,694 |
| The 7th and 8th Century | 0 | - | 4.32 | 21,010 |
| The 5th and 6th Century | 0 | - | 4.56 | 18,764 |
| The 1st and 2nd Century | 0 | - | 4.57 | 19,425 |
| The 1st and 2nd Century BC | 0 | - | 4.40 | 12,934 |
| The 3rd and 4th Century BC | 0 | - | 4.44 | 11,677 |
| The 5th and 6th Century BC | 0 | - | 4.43 | 10,444 |
| The 7th, 8th, 9th and 10th Century BC | 0 | - | 4.56 | 7,990 |
| Countries of the World in 1900 | 0 | - | 4.87 | 52,108 |
| Empires by Maps | 0 | - | 4.99 | 75,034 |
| 2018 News Stories - Name the Country | 0 | - | 4.40 | 19,876 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 40,446 |
| Two Letter Roman Numerals | 0 | - | 4.94 | 27,879 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 146,360 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.82 | 16,934 |
| Louisiana Purchase with a Map | 0 | - | 4.94 | 30,324 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,133 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 72,508 |
| Name a Valid U.S. President #1 | 0 | - | 4.93 | 125,807 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 92,545 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 105,039 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 80,047 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 73,967 |
| Battle to Country | 0 | - | 4.89 | 30,478 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 84,269 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 66,820 |
| Cities by Former Name | 0 | - | 4.82 | 62,519 |
| Countries by Former Name | 0 | - | 4.99 | 82,381 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 58,517 |
| Name a Valid Year in History | 0 | - | 4.97 | 37,775 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 32,928 |
| 2019 Year in Review | 0 | - | 4.38 | 28,913 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.89 | 36,609 |
| MLB Baseball by Year, 1990–present | 0 | - | 3.69 | 7,956 |
| NBA Basketball by Year, 2000–present | 0 | - | 4.13 | 32,413 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 20,847 |
| The 21st Century | 0 | - | 4.44 | 58,441 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 58,313 |
| 2019 News Stories - Name the Country | 0 | - | 4.10 | 15,051 |
| NFL Football by Year, 2000–present | 0 | - | 4.26 | 15,793 |
| Countries by Founding Story | 0 | - | 4.91 | 48,704 |
| 2010s Decade Quiz | 0 | - | 4.54 | 53,282 |
| 1830s Decade Quiz | 0 | - | 4.31 | 18,704 |
| 1820s Decade Quiz | 0 | - | 4.40 | 18,635 |
| 1810s Decade Quiz | 0 | - | 4.44 | 19,000 |
| 1800s Decade Quiz | 0 | - | 4.38 | 19,852 |
| 1790s Decade Quiz | 0 | - | 4.39 | 21,468 |
| 1780s Decade Quiz | 0 | - | 4.09 | 16,435 |
| 1770s Decade Quiz | 0 | - | 3.86 | 17,483 |
| 2020 News Stories - Name the Country | 0 | - | 4.32 | 23,750 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 49,838 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.98 | 97,605 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.84 | 40,939 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 65,464 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.82 | 32,556 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 52,047 |
| 2020 Year in Review | 0 | - | 4.45 | 23,257 |
| Countries of the World in 1444 | 0 | - | 4.95 | 41,103 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.95 | 46,301 |
| Quiz on the Year 2000 | 0 | - | 4.02 | 16,338 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.96 | 18,039 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 52,702 |
| "Second Best" History Edition | 0 | - | 4.91 | 26,171 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 49,720 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.84 | 34,594 |
| History: What Came First? #1 | 0 | - | 4.81 | 62,579 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.98 | 54,756 |
