| Quiz | Points | Best | Rating | Takes |
|---|
| U.S. Presidents Quiz | 0 | - | 4.99 | 2,676,221 |
| U.S. Presidents by Picture | 0 | - | 4.81 | 347,376 |
| Letters of the Greek Alphabet | 0 | - | 4.92 | 499,625 |
| Olympian Gods Quiz | 0 | - | 4.95 | 403,173 |
| English Monarchs Quiz | 0 | - | 4.85 | 379,215 |
| Words for Leaders | 0 | - | 4.66 | 185,759 |
| Communist Countries in History | 0 | - | 4.48 | 383,051 |
| Famous Dictators Quiz #1 | 0 | - | 4.53 | 168,258 |
| Mythical Creatures Quiz #1 | 0 | - | 4.89 | 595,137 |
| Figures from Greek Mythology | 0 | - | 4.85 | 150,154 |
| Roman Numeral Decoding Quiz | 0 | - | 4.84 | 341,301 |
| Name that Historical Figure #1 | 0 | - | 4.67 | 262,228 |
| 2010 Year in Review | 0 | - | 3.90 | 46,910 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,161 |
| Prime Ministers of the UK | 0 | - | 4.93 | 320,702 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,782 |
| Ye Olde Professions | 0 | - | 4.53 | 120,341 |
| 2011 Year in Review | 0 | - | 4.12 | 39,158 |
| Name that Greek Letter | 0 | - | 4.90 | 256,372 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 131,339 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.06 | 842,332 |
| Countries in World War II | 0 | - | 4.48 | 679,847 |
| Deadliest U.S. Wars | 0 | - | 4.81 | 141,653 |
| Countries in World War I | 0 | - | 4.92 | 182,753 |
| Biggest Nations and Empires Ever | 0 | - | 4.64 | 121,003 |
| NBA Basketball by Year, 1970–1999 | 0 | - | 4.24 | 38,069 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,109 |
| Countries of the Soviet Union | 0 | - | 4.99 | 146,126 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 91,983 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.57 | 390,978 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.33 | 566,067 |
| Independence from Whom | 0 | - | 4.99 | 152,855 |
| MLB Baseball by Year, 1960–1989 | 0 | - | 3.95 | 17,545 |
| NFL Football by Year, 1967–1999 | 0 | - | 4.23 | 23,158 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,639 |
| 2012 Year in Review | 0 | - | 3.96 | 43,425 |
| Who Controlled These Colonies? | 0 | - | 4.73 | 100,549 |
| First Names of U.S. Presidents | 0 | - | 4.87 | 296,293 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,975 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,562 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,311 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 65,944 |
| 2013 Year in Review | 0 | - | 4.28 | 37,392 |
| Music by Year, 1990–2009 | 0 | - | 4.13 | 91,070 |
| Music by Year, 1970–1989 | 0 | - | 4.17 | 33,841 |
| Movies by Year, 1990–2009 | 0 | - | 4.13 | 59,078 |
| Movies by Year, 1970–1989 | 0 | - | 4.20 | 22,048 |
| Current Events by Year, 1990–2009 | 0 | - | 4.74 | 133,765 |
| Current Events by Year, 1970–1989 | 0 | - | 4.41 | 55,938 |
| Current Events by Year, 1950–1969 | 0 | - | 4.30 | 40,596 |
| Current Events by Year, 1930–1949 | 0 | - | 4.38 | 44,641 |
| Current Events by Year, 1910–1929 | 0 | - | 4.26 | 34,801 |
| Figures From the 18th Century | 0 | - | 3.93 | 14,568 |
| Ancient Greek Words | 0 | - | 4.83 | 72,067 |
| Confederate States of the U.S. Civil War | 0 | - | 4.93 | 103,335 |
| The 20th Century | 0 | - | 4.38 | 73,665 |
| The 19th Century | 0 | - | 4.38 | 49,196 |
| The 17th Century | 0 | - | 4.38 | 39,810 |
| The 16th Century | 0 | - | 4.67 | 45,914 |
| The 15th Century | 0 | - | 4.30 | 39,017 |
| The 14th Century | 0 | - | 4.41 | 36,938 |
| The 13th Century | 0 | - | 4.35 | 31,234 |
| The 11th and 12th Century | 0 | - | 4.49 | 42,167 |
| Roman Emperors | 0 | - | 4.95 | 78,532 |
| History by Letter - A | 0 | - | 4.47 | 115,470 |
| History by Letter - B | 0 | - | 4.53 | 131,833 |
| History by Letter - C | 0 | - | 4.64 | 127,432 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,524 |
| History by Letter - J | 0 | - | 4.45 | 111,329 |
| Historical City to Country | 0 | - | 4.81 | 66,361 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,771 |
| Countries in the Ottoman Empire | 0 | - | 4.92 | 50,687 |
| 2014 Year in Review | 0 | - | 4.32 | 27,765 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,754 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.74 | 36,467 |
| 1990s Decade Quiz | 0 | - | 4.03 | 35,044 |
| 2000s Decade Quiz | 0 | - | 4.08 | 76,095 |
| 1980s Decade Quiz | 0 | - | 4.28 | 53,163 |
| 1970s Decade Quiz | 0 | - | 4.14 | 36,473 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 128,890 |
| 1960s Decade Quiz #1 | 0 | - | 4.29 | 36,049 |
| 1960s Decade Quiz #2 | 0 | - | 4.32 | 29,515 |
| 1950s Decade Quiz | 0 | - | 4.24 | 35,879 |
| 1940s Decade Quiz | 0 | - | 4.27 | 37,535 |
| 1930s Decade Quiz | 0 | - | 4.16 | 35,309 |
| 1920s Decade Quiz | 0 | - | 4.33 | 35,987 |
| 1910s Decade Quiz | 0 | - | 4.18 | 37,858 |
| 1900s Decade Quiz | 0 | - | 4.18 | 32,104 |
| 1890s Decade Quiz | 0 | - | 4.15 | 29,427 |
| 1880s Decade Quiz | 0 | - | 4.12 | 29,627 |
| 1870s Decade Quiz | 0 | - | 4.19 | 26,688 |
| 1860s Decade Quiz | 0 | - | 4.21 | 29,351 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,057 |
| Former Countries | 0 | - | 4.52 | 100,344 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,169 |
| Military History Vocabulary | 0 | - | 4.84 | 51,980 |
| 2015 Year in Review | 0 | - | 3.90 | 23,467 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 110,706 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 65,885 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,652 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,316 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 112,208 |
| Quiz on the Year 1908 | 0 | - | 4.22 | 9,896 |
| 2016 News Stories - Name the Country | 0 | - | 4.36 | 19,987 |
| 2016 Year in Review | 0 | - | 3.93 | 30,410 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 44,804 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 73,829 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,430 |
| Metals of Antiquity | 0 | - | 4.95 | 63,675 |
| 1850s Decade Quiz | 0 | - | 4.25 | 24,007 |
| 1840s Decade Quiz | 0 | - | 4.20 | 26,523 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,404 |
| The Trojan War | 0 | - | 4.83 | 25,952 |
| Quiz on the Year 1997 | 0 | - | 4.17 | 16,945 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,489 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,268 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,370 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,901 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 98,978 |
| 2017 News Stories - Name the Country | 0 | - | 4.48 | 23,983 |
| 2017 Year in Review | 0 | - | 4.41 | 27,259 |
| Quiz on the Year 1998 | 0 | - | 4.28 | 13,376 |
| 16th Century A-Z | 0 | - | 4.44 | 14,208 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 116,200 |
| 20th Century A-Z | 0 | - | 4.36 | 34,432 |
| 19th Century A-Z | 0 | - | 4.67 | 29,762 |
| 17th Century A-Z | 0 | - | 4.45 | 21,267 |
| 18th Century A-Z | 0 | - | 4.57 | 27,754 |
| 15th Century A-Z | 0 | - | 4.33 | 12,984 |
| 14th Century A-Z | 0 | - | 4.24 | 13,411 |
| Former Flags | 0 | - | 4.96 | 70,590 |
| Former Countries by Territory Map | 0 | - | 4.96 | 74,996 |
| The 9th and 10th Century | 0 | - | 4.41 | 25,742 |
| The 7th and 8th Century | 0 | - | 4.32 | 21,041 |
| The 5th and 6th Century | 0 | - | 4.56 | 18,804 |
| The 1st and 2nd Century | 0 | - | 4.57 | 19,461 |
| The 1st and 2nd Century BC | 0 | - | 4.40 | 12,967 |
| The 3rd and 4th Century BC | 0 | - | 4.44 | 11,713 |
| The 5th and 6th Century BC | 0 | - | 4.43 | 10,477 |
| The 7th, 8th, 9th and 10th Century BC | 0 | - | 4.56 | 8,038 |
| Countries of the World in 1900 | 0 | - | 4.87 | 52,353 |
| Empires by Maps | 0 | - | 4.99 | 75,340 |
| 2018 News Stories - Name the Country | 0 | - | 4.40 | 19,940 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 40,533 |
| Two Letter Roman Numerals | 0 | - | 4.94 | 28,107 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 146,787 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.82 | 16,980 |
| Louisiana Purchase with a Map | 0 | - | 4.94 | 30,396 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,232 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 72,777 |
| Name a Valid U.S. President #1 | 0 | - | 4.93 | 126,113 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 92,885 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 105,465 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 80,322 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 74,269 |
| Battle to Country | 0 | - | 4.89 | 30,567 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 84,554 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 66,962 |
| Cities by Former Name | 0 | - | 4.82 | 62,644 |
| Countries by Former Name | 0 | - | 4.98 | 82,564 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 58,703 |
| Name a Valid Year in History | 0 | - | 4.97 | 38,012 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 33,040 |
| 2019 Year in Review | 0 | - | 4.38 | 28,957 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.89 | 36,839 |
| MLB Baseball by Year, 1990–present | 0 | - | 3.69 | 7,973 |
| NBA Basketball by Year, 2000–present | 0 | - | 4.13 | 32,541 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 20,962 |
| The 21st Century | 0 | - | 4.44 | 58,567 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 58,589 |
| 2019 News Stories - Name the Country | 0 | - | 4.10 | 15,078 |
| NFL Football by Year, 2000–present | 0 | - | 4.26 | 15,837 |
| Countries by Founding Story | 0 | - | 4.91 | 48,802 |
| 2010s Decade Quiz | 0 | - | 4.55 | 53,421 |
| 1830s Decade Quiz | 0 | - | 4.33 | 18,746 |
| 1820s Decade Quiz | 0 | - | 4.40 | 18,659 |
| 1810s Decade Quiz | 0 | - | 4.44 | 19,034 |
| 1800s Decade Quiz | 0 | - | 4.38 | 19,890 |
| 1790s Decade Quiz | 0 | - | 4.39 | 21,501 |
| 1780s Decade Quiz | 0 | - | 4.09 | 16,450 |
| 1770s Decade Quiz | 0 | - | 3.86 | 17,499 |
| 2020 News Stories - Name the Country | 0 | - | 4.32 | 23,817 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 50,081 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.98 | 98,092 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.84 | 41,112 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.99 | 65,727 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.82 | 32,713 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 52,240 |
| 2020 Year in Review | 0 | - | 4.45 | 23,304 |
| Countries of the World in 1444 | 0 | - | 4.95 | 41,317 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.95 | 46,499 |
| Quiz on the Year 2000 | 0 | - | 4.02 | 16,364 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.95 | 18,138 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 52,879 |
| "Second Best" History Edition | 0 | - | 4.91 | 26,287 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 49,909 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.84 | 34,842 |
| History: What Came First? #1 | 0 | - | 4.81 | 62,809 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 54,958 |
| Play-Doh Presidents | 0 | - | 5.00 | 62,373 |
