| Quiz | Points | Best | Rating | Takes |
|---|
| U.S. Presidents Quiz | 0 | - | 4.99 | 2,681,913 |
| U.S. Presidents by Picture | 0 | - | 4.81 | 348,026 |
| Letters of the Greek Alphabet | 0 | - | 4.92 | 500,556 |
| Olympian Gods Quiz | 0 | - | 4.95 | 403,845 |
| English Monarchs Quiz | 0 | - | 4.85 | 379,869 |
| Words for Leaders | 0 | - | 4.66 | 186,120 |
| Communist Countries in History | 0 | - | 4.48 | 383,773 |
| Famous Dictators Quiz #1 | 0 | - | 4.53 | 168,436 |
| Mythical Creatures Quiz #1 | 0 | - | 4.89 | 596,027 |
| Figures from Greek Mythology | 0 | - | 4.85 | 150,452 |
| Roman Numeral Decoding Quiz | 0 | - | 4.84 | 341,940 |
| Name that Historical Figure #1 | 0 | - | 4.67 | 263,195 |
| 2010 Year in Review | 0 | - | 3.90 | 46,932 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,395 |
| Prime Ministers of the UK | 0 | - | 4.93 | 321,214 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,990 |
| Ye Olde Professions | 0 | - | 4.53 | 120,550 |
| 2011 Year in Review | 0 | - | 4.12 | 39,189 |
| Name that Greek Letter | 0 | - | 4.90 | 256,769 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 131,526 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.06 | 843,686 |
| Countries in World War II | 0 | - | 4.48 | 681,476 |
| Deadliest U.S. Wars | 0 | - | 4.81 | 141,911 |
| Countries in World War I | 0 | - | 4.91 | 183,087 |
| Biggest Nations and Empires Ever | 0 | - | 4.64 | 121,161 |
| NBA Basketball by Year, 1970–1999 | 0 | - | 4.24 | 38,140 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,292 |
| Countries of the Soviet Union | 0 | - | 4.99 | 146,410 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 92,159 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.57 | 391,656 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.33 | 567,025 |
| Independence from Whom | 0 | - | 4.99 | 153,061 |
| MLB Baseball by Year, 1960–1989 | 0 | - | 3.98 | 17,554 |
| NFL Football by Year, 1967–1999 | 0 | - | 4.24 | 23,173 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,804 |
| 2012 Year in Review | 0 | - | 3.96 | 43,447 |
| Who Controlled These Colonies? | 0 | - | 4.73 | 100,703 |
| First Names of U.S. Presidents | 0 | - | 4.87 | 296,759 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 147,171 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,673 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,420 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 66,050 |
| 2013 Year in Review | 0 | - | 4.28 | 37,428 |
| Music by Year, 1990–2009 | 0 | - | 4.13 | 91,309 |
| Music by Year, 1970–1989 | 0 | - | 4.14 | 34,499 |
| Movies by Year, 1990–2009 | 0 | - | 4.13 | 59,155 |
| Movies by Year, 1970–1989 | 0 | - | 4.20 | 22,075 |
| Current Events by Year, 1990–2009 | 0 | - | 4.74 | 134,198 |
| Current Events by Year, 1970–1989 | 0 | - | 4.42 | 56,293 |
| Current Events by Year, 1950–1969 | 0 | - | 4.30 | 40,967 |
| Current Events by Year, 1930–1949 | 0 | - | 4.39 | 45,052 |
| Figures From the 18th Century | 0 | - | 3.93 | 14,573 |
| Ancient Greek Words | 0 | - | 4.83 | 72,378 |
| Confederate States of the U.S. Civil War | 0 | - | 4.92 | 103,508 |
| The 20th Century | 0 | - | 4.38 | 73,722 |
| The 19th Century | 0 | - | 4.38 | 49,243 |
| The 18th Century | 0 | - | 4.42 | 38,468 |
| The 17th Century | 0 | - | 4.38 | 39,847 |
| The 16th Century | 0 | - | 4.68 | 45,953 |
| The 15th Century | 0 | - | 4.30 | 39,048 |
| The 14th Century | 0 | - | 4.41 | 36,970 |
| The 13th Century | 0 | - | 4.35 | 31,260 |
| The 11th and 12th Century | 0 | - | 4.49 | 42,204 |
| Roman Emperors | 0 | - | 4.95 | 78,859 |
| History by Letter - A | 0 | - | 4.47 | 115,662 |
| History by Letter - B | 0 | - | 4.53 | 132,041 |
| History by Letter - C | 0 | - | 4.64 | 127,668 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,833 |
| History by Letter - J | 0 | - | 4.45 | 111,520 |
| Historical City to Country | 0 | - | 4.81 | 66,443 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,971 |
| Countries in the Ottoman Empire | 0 | - | 4.92 | 50,765 |
| 2014 Year in Review | 0 | - | 4.32 | 27,807 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,882 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.74 | 36,490 |
| 1990s Decade Quiz | 0 | - | 4.03 | 35,071 |
| 2000s Decade Quiz | 0 | - | 4.08 | 76,162 |
| 1980s Decade Quiz | 0 | - | 4.28 | 53,207 |
| 1970s Decade Quiz | 0 | - | 4.14 | 36,494 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 129,057 |
| 1960s Decade Quiz #1 | 0 | - | 4.29 | 36,074 |
| 1960s Decade Quiz #2 | 0 | - | 4.32 | 29,545 |
| 1950s Decade Quiz | 0 | - | 4.24 | 35,910 |
| 1940s Decade Quiz | 0 | - | 4.27 | 37,571 |
| 1930s Decade Quiz | 0 | - | 4.16 | 35,325 |
| 1920s Decade Quiz | 0 | - | 4.33 | 36,012 |
| 1910s Decade Quiz | 0 | - | 4.18 | 37,875 |
| 1900s Decade Quiz | 0 | - | 4.18 | 32,117 |
| 1890s Decade Quiz | 0 | - | 4.15 | 29,441 |
| 1880s Decade Quiz | 0 | - | 4.12 | 29,640 |
| 1870s Decade Quiz | 0 | - | 4.19 | 26,709 |
| 1860s Decade Quiz | 0 | - | 4.21 | 29,370 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,237 |
| Former Countries | 0 | - | 4.52 | 100,479 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,274 |
| Military History Vocabulary | 0 | - | 4.84 | 52,079 |
| 2015 Year in Review | 0 | - | 3.90 | 23,483 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 110,954 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 66,084 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,719 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,605 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 112,536 |
| Quiz on the Year 1908 | 0 | - | 4.22 | 9,914 |
| 2016 News Stories - Name the Country | 0 | - | 4.36 | 20,029 |
| 2016 Year in Review | 0 | - | 3.93 | 30,432 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 44,867 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 73,952 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,528 |
| Metals of Antiquity | 0 | - | 4.95 | 63,769 |
| 1850s Decade Quiz | 0 | - | 4.25 | 24,023 |
| 1840s Decade Quiz | 0 | - | 4.20 | 26,544 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,656 |
| The Trojan War | 0 | - | 4.84 | 26,017 |
| Quiz on the Year 1997 | 0 | - | 4.17 | 16,967 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,579 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,362 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,441 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,986 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 99,172 |
| 2017 News Stories - Name the Country | 0 | - | 4.48 | 24,034 |
| 2017 Year in Review | 0 | - | 4.41 | 27,290 |
| Quiz on the Year 1998 | 0 | - | 4.28 | 13,397 |
| 16th Century A-Z | 0 | - | 4.44 | 14,236 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 116,418 |
| 20th Century A-Z | 0 | - | 4.36 | 34,505 |
| 19th Century A-Z | 0 | - | 4.67 | 29,842 |
| 17th Century A-Z | 0 | - | 4.45 | 21,307 |
| 18th Century A-Z | 0 | - | 4.57 | 27,811 |
| 15th Century A-Z | 0 | - | 4.33 | 13,009 |
| 14th Century A-Z | 0 | - | 4.24 | 13,446 |
| Former Flags | 0 | - | 4.96 | 70,759 |
| Former Countries by Territory Map | 0 | - | 4.96 | 75,147 |
| The 9th and 10th Century | 0 | - | 4.41 | 25,772 |
| The 7th and 8th Century | 0 | - | 4.32 | 21,056 |
| The 5th and 6th Century | 0 | - | 4.64 | 18,835 |
| The 1st and 2nd Century | 0 | - | 4.57 | 19,502 |
| The 1st and 2nd Century BC | 0 | - | 4.40 | 13,001 |
| The 3rd and 4th Century BC | 0 | - | 4.39 | 11,742 |
| The 5th and 6th Century BC | 0 | - | 4.43 | 10,506 |
| The 7th, 8th, 9th and 10th Century BC | 0 | - | 4.57 | 8,075 |
| Countries of the World in 1900 | 0 | - | 4.87 | 52,563 |
| Empires by Maps | 0 | - | 4.99 | 75,624 |
| 2018 News Stories - Name the Country | 0 | - | 4.40 | 19,978 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 40,620 |
| Two Letter Roman Numerals | 0 | - | 4.94 | 28,275 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 147,146 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.82 | 17,027 |
| Louisiana Purchase with a Map | 0 | - | 4.94 | 30,474 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,354 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 73,002 |
| Name a Valid U.S. President #1 | 0 | - | 4.93 | 126,377 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 93,186 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 105,835 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 80,501 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 74,477 |
| Battle to Country | 0 | - | 4.89 | 30,627 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 84,781 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 67,078 |
| Cities by Former Name | 0 | - | 4.82 | 62,737 |
| Countries by Former Name | 0 | - | 4.98 | 82,721 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 58,855 |
| Name a Valid Year in History | 0 | - | 4.97 | 38,228 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 33,150 |
| 2019 Year in Review | 0 | - | 4.38 | 28,996 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.89 | 36,995 |
| MLB Baseball by Year, 1990–present | 0 | - | 3.69 | 7,989 |
| NBA Basketball by Year, 2000–present | 0 | - | 4.13 | 32,681 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 21,038 |
| The 21st Century | 0 | - | 4.44 | 58,660 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 58,789 |
| 2019 News Stories - Name the Country | 0 | - | 4.10 | 15,111 |
| NFL Football by Year, 2000–present | 0 | - | 4.26 | 15,871 |
| Countries by Founding Story | 0 | - | 4.91 | 48,866 |
| 2010s Decade Quiz | 0 | - | 4.55 | 53,553 |
| 1830s Decade Quiz | 0 | - | 4.33 | 18,765 |
| 1820s Decade Quiz | 0 | - | 4.40 | 18,674 |
| 1810s Decade Quiz | 0 | - | 4.44 | 19,051 |
| 1800s Decade Quiz | 0 | - | 4.38 | 19,918 |
| 1790s Decade Quiz | 0 | - | 4.39 | 21,519 |
| 1780s Decade Quiz | 0 | - | 4.09 | 16,454 |
| 1770s Decade Quiz | 0 | - | 3.86 | 17,503 |
| 2020 News Stories - Name the Country | 0 | - | 4.32 | 23,880 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 50,249 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.98 | 98,457 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.84 | 41,240 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.99 | 65,938 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.82 | 32,819 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 52,401 |
| 2020 Year in Review | 0 | - | 4.45 | 23,343 |
| Countries of the World in 1444 | 0 | - | 4.95 | 41,462 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.95 | 46,705 |
| Quiz on the Year 2000 | 0 | - | 4.02 | 16,379 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.95 | 18,208 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 53,041 |
| "Second Best" History Edition | 0 | - | 4.93 | 26,385 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 50,138 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.84 | 35,040 |
| History: What Came First? #1 | 0 | - | 4.81 | 63,009 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 55,118 |
| Play-Doh Presidents | 0 | - | 5.00 | 62,520 |
