| Quiz | Points | Best | Rating | Takes |
|---|
| U.S. Presidents Quiz | 0 | - | 4.99 | 2,660,546 |
| U.S. Presidents by Picture | 0 | - | 4.80 | 345,950 |
| Shakespeare's Plays Quiz | 0 | - | 4.36 | 302,853 |
| Letters of the Greek Alphabet | 0 | - | 4.92 | 497,075 |
| Olympian Gods Quiz | 0 | - | 4.95 | 401,691 |
| English Monarchs Quiz | 0 | - | 4.84 | 377,289 |
| Words for Leaders | 0 | - | 4.66 | 184,302 |
| Communist Countries in History | 0 | - | 4.47 | 381,124 |
| Famous Dictators Quiz #1 | 0 | - | 4.52 | 167,735 |
| Mythical Creatures Quiz #1 | 0 | - | 4.89 | 592,882 |
| Figures from Greek Mythology | 0 | - | 4.84 | 149,573 |
| Roman Numeral Decoding Quiz | 0 | - | 4.84 | 339,261 |
| Name that Historical Figure #1 | 0 | - | 4.71 | 261,312 |
| 2010 Year in Review | 0 | - | 3.90 | 46,865 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 204,636 |
| Prime Ministers of the UK | 0 | - | 4.93 | 319,320 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,353 |
| Ye Olde Professions | 0 | - | 4.53 | 119,814 |
| 2011 Year in Review | 0 | - | 4.12 | 39,092 |
| Name that Greek Letter | 0 | - | 4.92 | 255,323 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 130,667 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.07 | 838,582 |
| Countries in World War II | 0 | - | 4.47 | 675,653 |
| Deadliest U.S. Wars | 0 | - | 4.81 | 141,032 |
| Countries in World War I | 0 | - | 4.92 | 181,815 |
| Biggest Nations and Empires Ever | 0 | - | 4.64 | 120,554 |
| NBA Basketball by Year, 1970–1999 | 0 | - | 4.24 | 37,907 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 69,695 |
| Countries of the Soviet Union | 0 | - | 4.99 | 145,331 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 91,301 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.56 | 389,186 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.33 | 563,264 |
| Independence from Whom | 0 | - | 4.99 | 152,281 |
| Famous Empires in History | 0 | - | 4.81 | 91,605 |
| MLB Baseball by Year, 1960–1989 | 0 | - | 3.95 | 17,524 |
| NFL Football by Year, 1967–1999 | 0 | - | 4.23 | 23,117 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,123 |
| 2012 Year in Review | 0 | - | 3.96 | 43,391 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 295,020 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,425 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,282 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,038 |
| Ancient Roman Trivia #1 | 0 | - | 4.82 | 65,675 |
| 2013 Year in Review | 0 | - | 4.28 | 37,302 |
| Music by Year, 1990–2009 | 0 | - | 4.13 | 89,807 |
| Music by Year, 1970–1989 | 0 | - | 4.28 | 26,889 |
| Movies by Year, 1990–2009 | 0 | - | 4.12 | 58,905 |
| Movies by Year, 1970–1989 | 0 | - | 4.20 | 21,993 |
| Current Events by Year, 1990–2009 | 0 | - | 4.73 | 133,429 |
| Current Events by Year, 1970–1989 | 0 | - | 4.41 | 55,752 |
| Current Events by Year, 1950–1969 | 0 | - | 4.29 | 40,466 |
| Current Events by Year, 1930–1949 | 0 | - | 4.38 | 44,409 |
| Current Events by Year, 1910–1929 | 0 | - | 4.25 | 34,699 |
| Figures From the 18th Century | 0 | - | 3.93 | 14,557 |
| Ancient Greek Words | 0 | - | 4.82 | 71,255 |
| Confederate States of the U.S. Civil War | 0 | - | 4.92 | 102,581 |
| The 20th Century | 0 | - | 4.38 | 73,500 |
| The 19th Century | 0 | - | 4.38 | 49,077 |
| The 18th Century | 0 | - | 4.42 | 38,307 |
| The 17th Century | 0 | - | 4.38 | 39,698 |
| The 16th Century | 0 | - | 4.72 | 45,788 |
| The 15th Century | 0 | - | 4.33 | 38,925 |
| The 14th Century | 0 | - | 4.41 | 36,843 |
| The 13th Century | 0 | - | 4.35 | 31,147 |
| The 11th and 12th Century | 0 | - | 4.49 | 42,033 |
| Roman Emperors | 0 | - | 4.95 | 77,961 |
| History by Letter - A | 0 | - | 4.47 | 114,077 |
| History by Letter - B | 0 | - | 4.53 | 130,500 |
| History by Letter - C | 0 | - | 4.64 | 125,935 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 180,299 |
| History by Letter - J | 0 | - | 4.45 | 110,158 |
| Historical City to Country | 0 | - | 4.81 | 66,132 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,283 |
| Countries in the Ottoman Empire | 0 | - | 4.92 | 50,394 |
| 2014 Year in Review | 0 | - | 4.32 | 27,679 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,433 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.74 | 36,435 |
| 1990s Decade Quiz | 0 | - | 4.03 | 34,962 |
| 2000s Decade Quiz | 0 | - | 4.08 | 75,947 |
| 1980s Decade Quiz | 0 | - | 4.28 | 53,034 |
| 1970s Decade Quiz | 0 | - | 4.14 | 36,390 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 128,447 |
| 1960s Decade Quiz #1 | 0 | - | 4.29 | 35,966 |
| 1960s Decade Quiz #2 | 0 | - | 4.32 | 29,421 |
| 1950s Decade Quiz | 0 | - | 4.24 | 35,798 |
| 1940s Decade Quiz | 0 | - | 4.27 | 37,450 |
| 1930s Decade Quiz | 0 | - | 4.16 | 35,239 |
| 1920s Decade Quiz | 0 | - | 4.32 | 35,898 |
| 1910s Decade Quiz | 0 | - | 4.18 | 37,781 |
| 1900s Decade Quiz | 0 | - | 4.18 | 32,036 |
| 1890s Decade Quiz | 0 | - | 4.15 | 29,375 |
| 1880s Decade Quiz | 0 | - | 4.12 | 29,563 |
| 1870s Decade Quiz | 0 | - | 4.19 | 26,632 |
| 1860s Decade Quiz | 0 | - | 4.21 | 29,289 |
| Biggest European Cities by Century | 0 | - | 4.97 | 104,596 |
| Former Countries | 0 | - | 4.56 | 100,033 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 58,850 |
| US Presidents - 1 Minute Sprint | 0 | - | 4.34 | 237,862 |
| Military History Vocabulary | 0 | - | 4.84 | 51,711 |
| 2015 Year in Review | 0 | - | 3.90 | 23,418 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 109,992 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 65,451 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.84 | 38,436 |
| Countries of Europe After World War II | 0 | - | 4.97 | 142,402 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 111,203 |
| Quiz on the Year 1908 | 0 | - | 4.22 | 9,825 |
| 2016 News Stories - Name the Country | 0 | - | 4.36 | 19,905 |
| 2016 Year in Review | 0 | - | 3.93 | 30,358 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 44,657 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 73,508 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,193 |
| Metals of Antiquity | 0 | - | 4.95 | 63,449 |
| 1850s Decade Quiz | 0 | - | 4.25 | 23,936 |
| 1840s Decade Quiz | 0 | - | 4.20 | 26,458 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.97 | 141,654 |
| The Trojan War | 0 | - | 4.84 | 25,827 |
| Quiz on the Year 1997 | 0 | - | 4.17 | 16,898 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,162 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,002 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,113 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,647 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 94,614 |
| 2017 News Stories - Name the Country | 0 | - | 4.47 | 23,852 |
| 2017 Year in Review | 0 | - | 4.41 | 27,161 |
| Quiz on the Year 1998 | 0 | - | 4.28 | 13,316 |
| 16th Century A-Z | 0 | - | 4.44 | 14,122 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 115,543 |
| 20th Century A-Z | 0 | - | 4.36 | 34,298 |
| 19th Century A-Z | 0 | - | 4.67 | 29,579 |
| 17th Century A-Z | 0 | - | 4.45 | 21,144 |
| 18th Century A-Z | 0 | - | 4.57 | 27,582 |
| 15th Century A-Z | 0 | - | 4.33 | 12,897 |
| 14th Century A-Z | 0 | - | 4.24 | 13,313 |
| Former Flags | 0 | - | 4.96 | 70,166 |
| Former Countries by Territory Map | 0 | - | 4.96 | 74,608 |
| The 9th and 10th Century | 0 | - | 4.41 | 25,649 |
| The 5th and 6th Century | 0 | - | 4.56 | 18,719 |
| The 1st and 2nd Century | 0 | - | 4.57 | 19,372 |
| The 1st and 2nd Century BC | 0 | - | 4.40 | 12,890 |
| The 3rd and 4th Century BC | 0 | - | 4.49 | 11,630 |
| The 5th and 6th Century BC | 0 | - | 4.43 | 10,403 |
| The 7th, 8th, 9th and 10th Century BC | 0 | - | 4.56 | 7,947 |
| Countries of the World in 1900 | 0 | - | 4.87 | 51,832 |
| Empires by Maps | 0 | - | 4.99 | 74,638 |
| 2018 News Stories - Name the Country | 0 | - | 4.40 | 19,825 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 40,349 |
| Two Letter Roman Numerals | 0 | - | 4.94 | 27,638 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 145,868 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.82 | 16,871 |
| Louisiana Purchase with a Map | 0 | - | 4.94 | 30,210 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 48,983 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 72,171 |
| Name a Valid U.S. President #1 | 0 | - | 4.93 | 125,411 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 92,189 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 104,535 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 79,744 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 73,663 |
| Battle to Country | 0 | - | 4.89 | 30,389 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 83,993 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 66,565 |
| Cities by Former Name | 0 | - | 4.82 | 62,372 |
| Countries by Former Name | 0 | - | 4.99 | 82,172 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 58,308 |
| Name a Valid Year in History | 0 | - | 4.97 | 37,461 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 32,771 |
| 2019 Year in Review | 0 | - | 4.38 | 28,858 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.89 | 36,388 |
| MLB Baseball by Year, 1990–present | 0 | - | 3.69 | 7,921 |
| NBA Basketball by Year, 2000–present | 0 | - | 4.13 | 32,226 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 20,734 |
| The 21st Century | 0 | - | 4.44 | 58,308 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 58,110 |
| 2019 News Stories - Name the Country | 0 | - | 4.10 | 15,018 |
| NFL Football by Year, 2000–present | 0 | - | 4.26 | 15,747 |
| Countries by Founding Story | 0 | - | 4.91 | 48,604 |
| 2010s Decade Quiz | 0 | - | 4.55 | 53,153 |
| 1830s Decade Quiz | 0 | - | 4.31 | 18,664 |
| 1820s Decade Quiz | 0 | - | 4.40 | 18,592 |
| 1810s Decade Quiz | 0 | - | 4.44 | 18,954 |
| 1800s Decade Quiz | 0 | - | 4.38 | 19,806 |
| 1790s Decade Quiz | 0 | - | 4.39 | 21,424 |
| 1780s Decade Quiz | 0 | - | 4.09 | 16,412 |
| 1770s Decade Quiz | 0 | - | 3.86 | 17,467 |
| 2020 News Stories - Name the Country | 0 | - | 4.32 | 23,686 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 49,620 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.98 | 97,100 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.84 | 40,761 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 65,220 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.82 | 32,407 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 51,842 |
| 2020 Year in Review | 0 | - | 4.45 | 23,193 |
| Countries of the World in 1444 | 0 | - | 4.95 | 40,940 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.95 | 46,052 |
| Quiz on the Year 2000 | 0 | - | 4.02 | 16,307 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 17,915 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 52,499 |
| "Second Best" History Edition | 0 | - | 4.91 | 26,031 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 49,444 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.84 | 34,279 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.98 | 54,540 |
