| Quiz | Points | Best | Rating | Takes |
|---|
| U.S. Presidents Quiz | 0 | - | 4.99 | 2,671,854 |
| U.S. Presidents by Picture | 0 | - | 4.80 | 346,921 |
| Shakespeare's Plays Quiz | 0 | - | 4.36 | 304,018 |
| Letters of the Greek Alphabet | 0 | - | 4.92 | 498,836 |
| Olympian Gods Quiz | 0 | - | 4.95 | 402,698 |
| English Monarchs Quiz | 0 | - | 4.84 | 378,652 |
| Words for Leaders | 0 | - | 4.66 | 185,080 |
| Communist Countries in History | 0 | - | 4.47 | 382,482 |
| Famous Dictators Quiz #1 | 0 | - | 4.52 | 168,107 |
| Mythical Creatures Quiz #1 | 0 | - | 4.89 | 594,409 |
| Figures from Greek Mythology | 0 | - | 4.85 | 149,952 |
| Roman Numeral Decoding Quiz | 0 | - | 4.84 | 340,791 |
| Name that Historical Figure #1 | 0 | - | 4.67 | 261,939 |
| 2010 Year in Review | 0 | - | 3.90 | 46,897 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 204,956 |
| Prime Ministers of the UK | 0 | - | 4.93 | 320,307 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,664 |
| Ye Olde Professions | 0 | - | 4.52 | 120,184 |
| 2011 Year in Review | 0 | - | 4.12 | 39,139 |
| Name that Greek Letter | 0 | - | 4.92 | 256,093 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 130,968 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.06 | 841,292 |
| Countries in World War II | 0 | - | 4.47 | 678,656 |
| Deadliest U.S. Wars | 0 | - | 4.81 | 141,502 |
| Countries in World War I | 0 | - | 4.92 | 182,472 |
| Biggest Nations and Empires Ever | 0 | - | 4.64 | 120,876 |
| NBA Basketball by Year, 1970–1999 | 0 | - | 4.24 | 38,023 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,013 |
| Countries of the Soviet Union | 0 | - | 4.99 | 145,877 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 91,871 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.56 | 390,450 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.33 | 565,203 |
| Independence from Whom | 0 | - | 4.99 | 152,685 |
| MLB Baseball by Year, 1960–1989 | 0 | - | 3.95 | 17,542 |
| NFL Football by Year, 1967–1999 | 0 | - | 4.23 | 23,147 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,470 |
| 2012 Year in Review | 0 | - | 3.96 | 43,413 |
| Who Controlled These Colonies? | 0 | - | 4.73 | 100,437 |
| First Names of U.S. Presidents | 0 | - | 4.87 | 295,914 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,822 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,474 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,241 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 65,861 |
| 2013 Year in Review | 0 | - | 4.28 | 37,372 |
| Music by Year, 1990–2009 | 0 | - | 4.13 | 90,030 |
| Music by Year, 1970–1989 | 0 | - | 4.28 | 26,962 |
| Movies by Year, 1990–2009 | 0 | - | 4.13 | 58,992 |
| Movies by Year, 1970–1989 | 0 | - | 4.20 | 22,029 |
| Current Events by Year, 1990–2009 | 0 | - | 4.74 | 133,632 |
| Current Events by Year, 1970–1989 | 0 | - | 4.41 | 55,861 |
| Current Events by Year, 1950–1969 | 0 | - | 4.30 | 40,540 |
| Current Events by Year, 1930–1949 | 0 | - | 4.38 | 44,558 |
| Current Events by Year, 1910–1929 | 0 | - | 4.26 | 34,766 |
| Figures From the 18th Century | 0 | - | 3.93 | 14,564 |
| Ancient Greek Words | 0 | - | 4.83 | 71,811 |
| Confederate States of the U.S. Civil War | 0 | - | 4.92 | 103,166 |
| The 20th Century | 0 | - | 4.38 | 73,613 |
| The 19th Century | 0 | - | 4.38 | 49,156 |
| The 18th Century | 0 | - | 4.42 | 38,391 |
| The 17th Century | 0 | - | 4.38 | 39,782 |
| The 16th Century | 0 | - | 4.72 | 45,878 |
| The 15th Century | 0 | - | 4.30 | 38,996 |
| The 14th Century | 0 | - | 4.41 | 36,910 |
| The 13th Century | 0 | - | 4.35 | 31,207 |
| The 11th and 12th Century | 0 | - | 4.49 | 42,135 |
| Roman Emperors | 0 | - | 4.95 | 78,342 |
| History by Letter - A | 0 | - | 4.47 | 115,223 |
| History by Letter - B | 0 | - | 4.52 | 131,589 |
| History by Letter - C | 0 | - | 4.64 | 127,130 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,267 |
| History by Letter - J | 0 | - | 4.45 | 111,095 |
| Historical City to Country | 0 | - | 4.81 | 66,296 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,623 |
| Countries in the Ottoman Empire | 0 | - | 4.92 | 50,607 |
| 2014 Year in Review | 0 | - | 4.32 | 27,730 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,657 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.74 | 36,454 |
| 1990s Decade Quiz | 0 | - | 4.03 | 35,020 |
| 2000s Decade Quiz | 0 | - | 4.08 | 76,050 |
| 1980s Decade Quiz | 0 | - | 4.28 | 53,120 |
| 1970s Decade Quiz | 0 | - | 4.14 | 36,455 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 128,776 |
| 1960s Decade Quiz #1 | 0 | - | 4.29 | 36,026 |
| 1960s Decade Quiz #2 | 0 | - | 4.32 | 29,492 |
| 1950s Decade Quiz | 0 | - | 4.24 | 35,856 |
| 1940s Decade Quiz | 0 | - | 4.27 | 37,510 |
| 1930s Decade Quiz | 0 | - | 4.16 | 35,292 |
| 1920s Decade Quiz | 0 | - | 4.33 | 35,958 |
| 1910s Decade Quiz | 0 | - | 4.18 | 37,839 |
| 1900s Decade Quiz | 0 | - | 4.18 | 32,090 |
| 1890s Decade Quiz | 0 | - | 4.15 | 29,410 |
| 1880s Decade Quiz | 0 | - | 4.12 | 29,604 |
| 1870s Decade Quiz | 0 | - | 4.19 | 26,674 |
| 1860s Decade Quiz | 0 | - | 4.21 | 29,328 |
| Biggest European Cities by Century | 0 | - | 4.96 | 104,926 |
| Former Countries | 0 | - | 4.52 | 100,258 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,072 |
| Military History Vocabulary | 0 | - | 4.84 | 51,899 |
| 2015 Year in Review | 0 | - | 3.90 | 23,450 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 110,490 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 65,731 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,589 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,077 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 111,929 |
| Quiz on the Year 1908 | 0 | - | 4.22 | 9,881 |
| 2016 News Stories - Name the Country | 0 | - | 4.36 | 19,961 |
| 2016 Year in Review | 0 | - | 3.93 | 30,395 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 44,752 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 73,731 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,361 |
| Metals of Antiquity | 0 | - | 4.95 | 63,611 |
| 1850s Decade Quiz | 0 | - | 4.25 | 23,983 |
| 1840s Decade Quiz | 0 | - | 4.20 | 26,506 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,175 |
| The Trojan War | 0 | - | 4.84 | 25,919 |
| Quiz on the Year 1997 | 0 | - | 4.17 | 16,936 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,414 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,201 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,296 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,841 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 98,763 |
| 2017 News Stories - Name the Country | 0 | - | 4.48 | 23,952 |
| 2017 Year in Review | 0 | - | 4.41 | 27,233 |
| Quiz on the Year 1998 | 0 | - | 4.28 | 13,361 |
| 16th Century A-Z | 0 | - | 4.44 | 14,182 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 115,999 |
| 20th Century A-Z | 0 | - | 4.36 | 34,404 |
| 19th Century A-Z | 0 | - | 4.67 | 29,722 |
| 17th Century A-Z | 0 | - | 4.45 | 21,236 |
| 18th Century A-Z | 0 | - | 4.57 | 27,702 |
| 15th Century A-Z | 0 | - | 4.33 | 12,967 |
| 14th Century A-Z | 0 | - | 4.24 | 13,379 |
| Former Flags | 0 | - | 4.96 | 70,483 |
| Former Countries by Territory Map | 0 | - | 4.96 | 74,900 |
| The 9th and 10th Century | 0 | - | 4.41 | 25,710 |
| The 7th and 8th Century | 0 | - | 4.32 | 21,021 |
| The 5th and 6th Century | 0 | - | 4.56 | 18,780 |
| The 1st and 2nd Century | 0 | - | 4.57 | 19,435 |
| The 1st and 2nd Century BC | 0 | - | 4.40 | 12,944 |
| The 3rd and 4th Century BC | 0 | - | 4.44 | 11,689 |
| The 5th and 6th Century BC | 0 | - | 4.43 | 10,455 |
| The 7th, 8th, 9th and 10th Century BC | 0 | - | 4.56 | 8,012 |
| Countries of the World in 1900 | 0 | - | 4.87 | 52,187 |
| Empires by Maps | 0 | - | 4.99 | 75,159 |
| 2018 News Stories - Name the Country | 0 | - | 4.40 | 19,903 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 40,485 |
| Two Letter Roman Numerals | 0 | - | 4.94 | 27,962 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 146,478 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.82 | 16,951 |
| Louisiana Purchase with a Map | 0 | - | 4.94 | 30,353 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,165 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 72,603 |
| Name a Valid U.S. President #1 | 0 | - | 4.93 | 125,901 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 92,671 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 105,195 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 80,153 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 74,095 |
| Battle to Country | 0 | - | 4.89 | 30,507 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 84,375 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 66,874 |
| Cities by Former Name | 0 | - | 4.82 | 62,568 |
| Countries by Former Name | 0 | - | 4.99 | 82,439 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 58,590 |
| Name a Valid Year in History | 0 | - | 4.97 | 37,875 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 32,976 |
| 2019 Year in Review | 0 | - | 4.38 | 28,928 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.89 | 36,682 |
| MLB Baseball by Year, 1990–present | 0 | - | 3.69 | 7,964 |
| NBA Basketball by Year, 2000–present | 0 | - | 4.13 | 32,478 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 20,893 |
| The 21st Century | 0 | - | 4.44 | 58,488 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 58,406 |
| 2019 News Stories - Name the Country | 0 | - | 4.10 | 15,066 |
| NFL Football by Year, 2000–present | 0 | - | 4.26 | 15,810 |
| Countries by Founding Story | 0 | - | 4.91 | 48,748 |
| 2010s Decade Quiz | 0 | - | 4.54 | 53,335 |
| 1830s Decade Quiz | 0 | - | 4.33 | 18,721 |
| 1820s Decade Quiz | 0 | - | 4.40 | 18,647 |
| 1810s Decade Quiz | 0 | - | 4.44 | 19,018 |
| 1800s Decade Quiz | 0 | - | 4.38 | 19,871 |
| 1790s Decade Quiz | 0 | - | 4.39 | 21,480 |
| 1780s Decade Quiz | 0 | - | 4.09 | 16,440 |
| 1770s Decade Quiz | 0 | - | 3.86 | 17,487 |
| 2020 News Stories - Name the Country | 0 | - | 4.32 | 23,782 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 49,907 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.98 | 97,804 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.84 | 40,997 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 65,551 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.82 | 32,613 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 52,120 |
| 2020 Year in Review | 0 | - | 4.45 | 23,275 |
| Countries of the World in 1444 | 0 | - | 4.95 | 41,150 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.95 | 46,372 |
| Quiz on the Year 2000 | 0 | - | 4.02 | 16,351 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.94 | 18,084 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 52,764 |
| "Second Best" History Edition | 0 | - | 4.91 | 26,220 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 49,791 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.84 | 34,688 |
| History: What Came First? #1 | 0 | - | 4.81 | 62,644 |
