| Quiz | Points | Best | Rating | Takes |
|---|
| U.S. Presidents Quiz | 0 | - | 5.00 | 2,922,668 |
| U.S. Presidents by Picture | 0 | - | 4.79 | 369,312 |
| Letters of the Greek Alphabet | 0 | - | 4.93 | 539,772 |
| Olympian Gods Quiz | 0 | - | 4.95 | 429,786 |
| English Monarchs Quiz | 0 | - | 4.83 | 420,045 |
| Words for Leaders | 0 | - | 4.75 | 201,037 |
| Communist Countries in History | 0 | - | 4.41 | 414,470 |
| Famous Dictators Quiz #1 | 0 | - | 4.61 | 175,829 |
| Mythical Creatures Quiz #1 | 0 | - | 4.89 | 627,313 |
| Figures from Greek Mythology | 0 | - | 4.85 | 160,603 |
| Roman Numeral Decoding Quiz | 0 | - | 4.84 | 368,029 |
| Name that Historical Figure #1 | 0 | - | 4.51 | 279,533 |
| 2010 Year in Review | 0 | - | 3.96 | 47,805 |
| Commonwealth of Nations Countries | 0 | - | 4.93 | 214,312 |
| Prime Ministers of the UK | 0 | - | 4.93 | 356,916 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 148,108 |
| 2011 Year in Review | 0 | - | 4.15 | 40,366 |
| Name that Greek Letter | 0 | - | 4.90 | 274,355 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 138,297 |
| Countries in World War II | 0 | - | 4.43 | 750,679 |
| Deadliest U.S. Wars | 0 | - | 4.79 | 150,343 |
| Countries in World War I | 0 | - | 4.90 | 198,397 |
| NBA Basketball by Year, 1970–1999 | 0 | - | 4.19 | 39,979 |
| Countries Bordering China Since 1914 | 0 | - | 4.90 | 83,771 |
| Countries of the Soviet Union | 0 | - | 4.98 | 160,761 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 97,164 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.48 | 420,432 |
| Independence from Whom | 0 | - | 4.99 | 174,680 |
| Famous Empires in History | 0 | - | 4.82 | 97,990 |
| MLB Baseball by Year, 1960–1989 | 0 | - | 3.98 | 17,875 |
| NFL Football by Year, 1967–1999 | 0 | - | 4.27 | 23,918 |
| Biggest English Cities by Century | 0 | - | 4.92 | 93,536 |
| 2012 Year in Review | 0 | - | 4.03 | 44,411 |
| Who Controlled These Colonies? | 0 | - | 4.82 | 106,156 |
| First Names of U.S. Presidents | 0 | - | 4.84 | 321,726 |
| Most Populous Countries in 1900 | 0 | - | 4.88 | 155,357 |
| Warsaw Pact Countries | 0 | - | 4.88 | 68,059 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 62,673 |
| 2013 Year in Review | 0 | - | 4.30 | 38,791 |
| Music by Year, 1990–2009 | 0 | - | 4.17 | 96,471 |
| Music by Year, 1970–1989 | 0 | - | 4.21 | 36,646 |
| Movies by Year, 1990–2009 | 0 | - | 4.11 | 60,885 |
| Movies by Year, 1970–1989 | 0 | - | 4.23 | 22,872 |
| Current Events by Year, 1990–2009 | 0 | - | 4.75 | 139,414 |
| Current Events by Year, 1970–1989 | 0 | - | 4.46 | 59,213 |
| Current Events by Year, 1950–1969 | 0 | - | 4.29 | 43,103 |
| Current Events by Year, 1930–1949 | 0 | - | 4.44 | 47,880 |
| Current Events by Year, 1910–1929 | 0 | - | 4.28 | 44,201 |
| Figures From the 18th Century | 0 | - | 3.98 | 14,814 |
| Ancient Greek Words | 0 | - | 4.86 | 88,943 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 111,100 |
| The 20th Century | 0 | - | 4.40 | 75,981 |
| The 19th Century | 0 | - | 4.40 | 51,012 |
| The 18th Century | 0 | - | 4.46 | 40,194 |
| The 17th Century | 0 | - | 4.40 | 41,344 |
| The 16th Century | 0 | - | 4.63 | 47,754 |
| The 15th Century | 0 | - | 4.36 | 40,339 |
| The 14th Century | 0 | - | 4.43 | 38,409 |
| The 13th Century | 0 | - | 4.39 | 32,574 |
| The 11th and 12th Century | 0 | - | 4.48 | 43,964 |
| Roman Emperors | 0 | - | 4.95 | 87,186 |
| History by Letter - B | 0 | - | 4.50 | 145,398 |
| History by Letter - C | 0 | - | 4.74 | 141,755 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 195,828 |
| History by Letter - J | 0 | - | 4.45 | 130,671 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 82,593 |
| Countries in the Ottoman Empire | 0 | - | 4.90 | 65,346 |
| 2014 Year in Review | 0 | - | 4.42 | 29,582 |
| Countries Settled by Vikings | 0 | - | 4.93 | 106,548 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.71 | 36,992 |
| 1990s Decade Quiz | 0 | - | 3.99 | 46,988 |
| 2000s Decade Quiz | 0 | - | 4.11 | 96,085 |
| 1980s Decade Quiz | 0 | - | 4.34 | 67,140 |
| 1970s Decade Quiz | 0 | - | 4.16 | 46,377 |
| Countries that Bordered the USSR | 0 | - | 4.91 | 136,182 |
| 1960s Decade Quiz #1 | 0 | - | 4.26 | 44,797 |
| 1960s Decade Quiz #2 | 0 | - | 4.36 | 38,862 |
| 1950s Decade Quiz | 0 | - | 4.27 | 43,849 |
| 1940s Decade Quiz | 0 | - | 4.27 | 45,992 |
| 1930s Decade Quiz | 0 | - | 4.14 | 44,061 |
| 1920s Decade Quiz | 0 | - | 4.31 | 43,675 |
| 1910s Decade Quiz | 0 | - | 4.17 | 40,246 |
| 1900s Decade Quiz | 0 | - | 4.20 | 34,075 |
| 1890s Decade Quiz | 0 | - | 4.11 | 31,143 |
| 1880s Decade Quiz | 0 | - | 4.14 | 31,178 |
| 1870s Decade Quiz | 0 | - | 4.27 | 28,217 |
| 1860s Decade Quiz | 0 | - | 4.29 | 31,015 |
| Biggest European Cities by Century | 0 | - | 4.96 | 113,059 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.93 | 65,953 |
| Military History Vocabulary | 0 | - | 4.90 | 56,320 |
| 2015 Year in Review | 0 | - | 3.96 | 24,336 |
| Neutral European Countries of WWII | 0 | - | 4.93 | 121,708 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 71,753 |
| Countries of Europe After World War II | 0 | - | 4.98 | 158,413 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 126,951 |
| Quiz on the Year 1908 | 0 | - | 4.26 | 10,783 |
| 2016 News Stories - Name the Country | 0 | - | 4.43 | 21,377 |
| 2016 Year in Review | 0 | - | 3.90 | 31,460 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 47,024 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 78,215 |
| Biggest Mongol Empire Countries | 0 | - | 4.90 | 64,584 |
| Metals of Antiquity | 0 | - | 4.96 | 67,644 |
| 1850s Decade Quiz | 0 | - | 4.32 | 25,550 |
| 1840s Decade Quiz | 0 | - | 4.24 | 28,072 |
| Soviet Union Country Quiz | 0 | - | 4.86 | 62,301 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.97 | 166,586 |
| The Trojan War | 0 | - | 4.85 | 28,456 |
| Quiz on the Year 1997 | 0 | - | 4.25 | 17,933 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 72,964 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.90 | 64,292 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 51,488 |
| First Countries to Reach 5 Million People | 0 | - | 4.89 | 104,741 |
| 2017 News Stories - Name the Country | 0 | - | 4.45 | 25,846 |
| 2017 Year in Review | 0 | - | 4.45 | 28,899 |
| Quiz on the Year 1998 | 0 | - | 4.29 | 14,384 |
| 16th Century A-Z | 0 | - | 4.48 | 15,333 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 125,766 |
| 20th Century A-Z | 0 | - | 4.39 | 36,735 |
| 19th Century A-Z | 0 | - | 4.75 | 32,457 |
| 17th Century A-Z | 0 | - | 4.53 | 22,956 |
| 18th Century A-Z | 0 | - | 4.55 | 30,083 |
| 15th Century A-Z | 0 | - | 4.34 | 14,285 |
| 14th Century A-Z | 0 | - | 4.25 | 14,587 |
| Former Flags | 0 | - | 4.97 | 76,358 |
| Former Countries by Territory Map | 0 | - | 4.96 | 80,275 |
| The 9th and 10th Century | 0 | - | 4.47 | 27,098 |
| The 7th and 8th Century | 0 | - | 4.31 | 21,975 |
| The 5th and 6th Century | 0 | - | 4.63 | 20,055 |
| The 1st and 2nd Century | 0 | - | 4.57 | 20,853 |
| The 1st and 2nd Century BC | 0 | - | 4.45 | 14,251 |
| The 3rd and 4th Century BC | 0 | - | 4.41 | 12,696 |
| The 5th and 6th Century BC | 0 | - | 4.37 | 11,569 |
| Countries of the World in 1900 | 0 | - | 4.85 | 58,889 |
| Empires by Maps | 0 | - | 4.98 | 84,535 |
| 2018 News Stories - Name the Country | 0 | - | 4.41 | 21,509 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 43,458 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 43,506 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 158,961 |
| Territory Changes in World War I | 0 | - | 4.82 | 37,407 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 33,054 |
| Countries in the Byzantine Empire | 0 | - | 4.92 | 63,124 |
| Countries of Europe in 1444 | 0 | - | 4.93 | 80,629 |
| Name a Valid U.S. President #1 | 0 | - | 4.91 | 140,528 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 103,118 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 116,919 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 87,155 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 82,034 |
| Battle to Country | 0 | - | 4.87 | 32,815 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 92,367 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 82,740 |
| Countries by Former Name | 0 | - | 4.98 | 88,413 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 64,212 |
| Name a Valid Year in History | 0 | - | 4.96 | 46,033 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 36,889 |
| 2019 Year in Review | 0 | - | 4.41 | 30,978 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.88 | 42,475 |
| MLB Baseball by Year, 1990–present | 0 | - | 3.83 | 9,394 |
| NBA Basketball by Year, 2000–Present | 0 | - | 4.10 | 37,262 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 24,212 |
| The 21st Century | 0 | - | 4.46 | 62,284 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 65,891 |
| 2019 News Stories - Name the Country | 0 | - | 4.10 | 16,170 |
| NFL Football by Year, 2000–present | 0 | - | 4.15 | 21,263 |
| Countries by Founding Story | 0 | - | 4.90 | 51,604 |
| 2010s Decade Quiz | 0 | - | 4.52 | 74,928 |
| 1830s Decade Quiz | 0 | - | 4.33 | 20,334 |
| 1820s Decade Quiz | 0 | - | 4.43 | 20,683 |
| 1810s Decade Quiz | 0 | - | 4.49 | 21,187 |
| 1800s Decade Quiz | 0 | - | 4.41 | 21,885 |
| 1790s Decade Quiz | 0 | - | 4.44 | 23,535 |
| 1780s Decade Quiz | 0 | - | 4.13 | 17,702 |
| 1770s Decade Quiz | 0 | - | 3.87 | 18,824 |
| 2020 News Stories - Name the Country | 0 | - | 4.39 | 25,846 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 56,082 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 113,422 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.81 | 45,724 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 72,475 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 57,449 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.82 | 8,505 |
| 2020 Year in Review | 0 | - | 4.49 | 24,927 |
| Countries of the World in 1444 | 0 | - | 4.98 | 45,975 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 53,161 |
| Quiz on the Year 2000 | 0 | - | 4.02 | 17,286 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.94 | 22,725 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 58,993 |
| "Second Best" History Edition | 0 | - | 4.92 | 41,104 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 56,611 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.92 | 42,325 |
| Countries of Europe before World War II with a Map | 0 | - | 4.93 | 32,629 |
| History: What Came First? #1 | 0 | - | 4.86 | 83,291 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 61,002 |
| Play-Doh Presidents | 0 | - | 5.00 | 68,726 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 42,323 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 79,985 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.92 | 37,516 |
| 2020 Year in Review - The United States | 0 | - | 3.60 | 13,071 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.95 | 48,390 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.96 | 70,141 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 46,740 |
| Quiz on the Year 2001 | 0 | - | 4.28 | 19,861 |
