| Quiz | Points | Best | Rating | Takes |
|---|
| U.S. Presidents Quiz | 0 | - | 4.99 | 2,683,754 |
| U.S. Presidents by Picture | 0 | - | 4.82 | 348,243 |
| Letters of the Greek Alphabet | 0 | - | 4.92 | 500,908 |
| Olympian Gods Quiz | 0 | - | 4.95 | 404,021 |
| English Monarchs Quiz | 0 | - | 4.85 | 380,146 |
| Words for Leaders | 0 | - | 4.67 | 186,252 |
| Communist Countries in History | 0 | - | 4.48 | 384,055 |
| Famous Dictators Quiz #1 | 0 | - | 4.53 | 168,494 |
| Mythical Creatures Quiz #1 | 0 | - | 4.89 | 596,304 |
| Figures from Greek Mythology | 0 | - | 4.85 | 150,534 |
| Roman Numeral Decoding Quiz | 0 | - | 4.85 | 342,133 |
| Name that Historical Figure #1 | 0 | - | 4.68 | 263,883 |
| 2010 Year in Review | 0 | - | 3.90 | 46,937 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,462 |
| Prime Ministers of the UK | 0 | - | 4.93 | 321,401 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 133,049 |
| Ye Olde Professions | 0 | - | 4.53 | 120,606 |
| 2011 Year in Review | 0 | - | 4.12 | 39,196 |
| Name that Greek Letter | 0 | - | 4.90 | 256,927 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 131,580 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.06 | 844,139 |
| Countries in World War II | 0 | - | 4.48 | 681,980 |
| Deadliest U.S. Wars | 0 | - | 4.81 | 141,974 |
| Countries in World War I | 0 | - | 4.91 | 183,174 |
| Biggest Nations and Empires Ever | 0 | - | 4.64 | 121,206 |
| NBA Basketball by Year, 1970–1999 | 0 | - | 4.24 | 38,161 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,336 |
| Countries of the Soviet Union | 0 | - | 4.99 | 146,508 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 92,218 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.57 | 391,896 |
| Independence from Whom | 0 | - | 4.99 | 153,131 |
| MLB Baseball by Year, 1960–1989 | 0 | - | 3.98 | 17,558 |
| NFL Football by Year, 1967–1999 | 0 | - | 4.24 | 23,180 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,882 |
| 2012 Year in Review | 0 | - | 3.96 | 43,453 |
| Who Controlled These Colonies? | 0 | - | 4.73 | 100,745 |
| First Names of U.S. Presidents | 0 | - | 4.87 | 296,910 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 147,244 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,710 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,452 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 66,079 |
| 2013 Year in Review | 0 | - | 4.28 | 37,438 |
| Music by Year, 1990–2009 | 0 | - | 4.13 | 91,350 |
| Music by Year, 1970–1989 | 0 | - | 4.15 | 34,544 |
| Movies by Year, 1990–2009 | 0 | - | 4.13 | 59,176 |
| Movies by Year, 1970–1989 | 0 | - | 4.20 | 22,083 |
| Current Events by Year, 1990–2009 | 0 | - | 4.76 | 134,362 |
| Current Events by Year, 1970–1989 | 0 | - | 4.43 | 56,439 |
| Current Events by Year, 1950–1969 | 0 | - | 4.31 | 41,101 |
| Current Events by Year, 1930–1949 | 0 | - | 4.40 | 45,194 |
| Current Events by Year, 1910–1929 | 0 | - | 4.28 | 41,491 |
| Figures From the 18th Century | 0 | - | 3.93 | 14,577 |
| Ancient Greek Words | 0 | - | 4.84 | 72,462 |
| Confederate States of the U.S. Civil War | 0 | - | 4.93 | 103,565 |
| The 20th Century | 0 | - | 4.38 | 73,743 |
| The 19th Century | 0 | - | 4.38 | 49,257 |
| The 18th Century | 0 | - | 4.42 | 38,484 |
| The 17th Century | 0 | - | 4.38 | 39,859 |
| The 16th Century | 0 | - | 4.68 | 45,976 |
| The 15th Century | 0 | - | 4.30 | 39,061 |
| The 14th Century | 0 | - | 4.41 | 36,980 |
| The 13th Century | 0 | - | 4.35 | 31,274 |
| The 11th and 12th Century | 0 | - | 4.49 | 42,220 |
| Roman Emperors | 0 | - | 4.95 | 78,923 |
| History by Letter - A | 0 | - | 4.47 | 115,874 |
| History by Letter - B | 0 | - | 4.53 | 132,299 |
| History by Letter - C | 0 | - | 4.65 | 127,891 |
| History by Letter - E | 0 | - | 4.43 | 103,686 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,938 |
| History by Letter - J | 0 | - | 4.45 | 111,712 |
| Historical City to Country | 0 | - | 4.81 | 66,474 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 75,030 |
| Countries in the Ottoman Empire | 0 | - | 4.93 | 50,797 |
| 2014 Year in Review | 0 | - | 4.32 | 27,816 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,911 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.74 | 36,495 |
| 1990s Decade Quiz | 0 | - | 4.03 | 35,078 |
| 2000s Decade Quiz | 0 | - | 4.08 | 76,172 |
| 1980s Decade Quiz | 0 | - | 4.28 | 53,224 |
| 1970s Decade Quiz | 0 | - | 4.14 | 36,507 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 129,116 |
| 1960s Decade Quiz #1 | 0 | - | 4.29 | 36,084 |
| 1960s Decade Quiz #2 | 0 | - | 4.32 | 29,564 |
| 1950s Decade Quiz | 0 | - | 4.24 | 35,918 |
| 1940s Decade Quiz | 0 | - | 4.27 | 37,584 |
| 1930s Decade Quiz | 0 | - | 4.16 | 35,329 |
| 1920s Decade Quiz | 0 | - | 4.33 | 36,018 |
| 1910s Decade Quiz | 0 | - | 4.18 | 37,881 |
| 1900s Decade Quiz | 0 | - | 4.18 | 32,123 |
| 1890s Decade Quiz | 0 | - | 4.15 | 29,450 |
| 1880s Decade Quiz | 0 | - | 4.12 | 29,643 |
| 1870s Decade Quiz | 0 | - | 4.19 | 26,714 |
| 1860s Decade Quiz | 0 | - | 4.21 | 29,374 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,302 |
| Former Countries | 0 | - | 4.53 | 100,512 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,328 |
| Military History Vocabulary | 0 | - | 4.84 | 52,106 |
| 2015 Year in Review | 0 | - | 3.90 | 23,489 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 111,029 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 66,137 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,742 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,706 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 112,654 |
| Quiz on the Year 1908 | 0 | - | 4.22 | 9,922 |
| 2016 News Stories - Name the Country | 0 | - | 4.36 | 20,033 |
| 2016 Year in Review | 0 | - | 3.93 | 30,438 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 44,889 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 73,990 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,558 |
| Metals of Antiquity | 0 | - | 4.95 | 63,793 |
| 1850s Decade Quiz | 0 | - | 4.25 | 24,028 |
| 1840s Decade Quiz | 0 | - | 4.20 | 26,549 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,744 |
| The Trojan War | 0 | - | 4.84 | 26,040 |
| Quiz on the Year 1997 | 0 | - | 4.17 | 16,975 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,609 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,396 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,464 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 48,014 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 99,223 |
| 2017 News Stories - Name the Country | 0 | - | 4.48 | 24,045 |
| 2017 Year in Review | 0 | - | 4.41 | 27,301 |
| Quiz on the Year 1998 | 0 | - | 4.28 | 13,407 |
| 16th Century A-Z | 0 | - | 4.44 | 14,247 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 116,638 |
| 20th Century A-Z | 0 | - | 4.36 | 34,514 |
| 19th Century A-Z | 0 | - | 4.67 | 29,864 |
| 17th Century A-Z | 0 | - | 4.45 | 21,317 |
| 18th Century A-Z | 0 | - | 4.57 | 27,831 |
| 15th Century A-Z | 0 | - | 4.33 | 13,018 |
| 14th Century A-Z | 0 | - | 4.24 | 13,457 |
| Former Flags | 0 | - | 4.96 | 70,800 |
| Former Countries by Territory Map | 0 | - | 4.96 | 75,193 |
| The 9th and 10th Century | 0 | - | 4.41 | 25,782 |
| The 7th and 8th Century | 0 | - | 4.32 | 21,064 |
| The 5th and 6th Century | 0 | - | 4.64 | 18,853 |
| The 1st and 2nd Century | 0 | - | 4.57 | 19,510 |
| The 1st and 2nd Century BC | 0 | - | 4.40 | 13,011 |
| The 3rd and 4th Century BC | 0 | - | 4.39 | 11,750 |
| The 5th and 6th Century BC | 0 | - | 4.43 | 10,518 |
| The 7th, 8th, 9th and 10th Century BC | 0 | - | 4.57 | 8,086 |
| Countries of the World in 1900 | 0 | - | 4.87 | 52,639 |
| Empires by Maps | 0 | - | 4.99 | 75,706 |
| 2018 News Stories - Name the Country | 0 | - | 4.40 | 19,992 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 40,638 |
| Two Letter Roman Numerals | 0 | - | 4.94 | 28,323 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 147,265 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.82 | 17,038 |
| Louisiana Purchase with a Map | 0 | - | 4.94 | 30,496 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,382 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 73,070 |
| Name a Valid U.S. President #1 | 0 | - | 4.93 | 126,463 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 93,271 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 105,944 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 80,570 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 74,552 |
| Battle to Country | 0 | - | 4.89 | 30,643 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 84,852 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 67,116 |
| Cities by Former Name | 0 | - | 4.82 | 62,781 |
| Countries by Former Name | 0 | - | 4.98 | 82,775 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 58,907 |
| Name a Valid Year in History | 0 | - | 4.97 | 38,303 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 33,174 |
| 2019 Year in Review | 0 | - | 4.38 | 29,013 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.89 | 37,051 |
| MLB Baseball by Year, 1990–present | 0 | - | 3.69 | 7,995 |
| NBA Basketball by Year, 2000–present | 0 | - | 4.13 | 32,707 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 21,069 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 58,861 |
| 2019 News Stories - Name the Country | 0 | - | 4.10 | 15,116 |
| NFL Football by Year, 2000–present | 0 | - | 4.26 | 15,881 |
| Countries by Founding Story | 0 | - | 4.91 | 48,891 |
| 2010s Decade Quiz | 0 | - | 4.55 | 53,578 |
| 1830s Decade Quiz | 0 | - | 4.33 | 18,769 |
| 1820s Decade Quiz | 0 | - | 4.40 | 18,678 |
| 1810s Decade Quiz | 0 | - | 4.44 | 19,057 |
| 1800s Decade Quiz | 0 | - | 4.38 | 19,923 |
| 1790s Decade Quiz | 0 | - | 4.39 | 21,527 |
| 1780s Decade Quiz | 0 | - | 4.09 | 16,460 |
| 1770s Decade Quiz | 0 | - | 3.86 | 17,509 |
| 2020 News Stories - Name the Country | 0 | - | 4.32 | 23,896 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 50,300 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.98 | 98,555 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.84 | 41,276 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.99 | 66,002 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.82 | 32,853 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 52,440 |
| 2020 Year in Review | 0 | - | 4.45 | 23,354 |
| Countries of the World in 1444 | 0 | - | 4.95 | 41,512 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.95 | 46,765 |
| Quiz on the Year 2000 | 0 | - | 4.02 | 16,383 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.95 | 18,231 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 53,080 |
| "Second Best" History Edition | 0 | - | 4.93 | 26,416 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 50,213 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.84 | 35,097 |
| History: What Came First? #1 | 0 | - | 4.81 | 63,069 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 55,177 |
| Play-Doh Presidents | 0 | - | 5.00 | 62,563 |
