| Quiz | Points | Best | Rating | Takes |
|---|
| U.S. Presidents Quiz | 0 | - | 4.99 | 2,665,962 |
| U.S. Presidents by Picture | 0 | - | 4.80 | 346,438 |
| Shakespeare's Plays Quiz | 0 | - | 4.35 | 303,396 |
| Letters of the Greek Alphabet | 0 | - | 4.92 | 497,850 |
| Olympian Gods Quiz | 0 | - | 4.95 | 402,200 |
| English Monarchs Quiz | 0 | - | 4.84 | 377,923 |
| Words for Leaders | 0 | - | 4.66 | 184,701 |
| Communist Countries in History | 0 | - | 4.47 | 381,775 |
| Famous Dictators Quiz #1 | 0 | - | 4.52 | 167,871 |
| Mythical Creatures Quiz #1 | 0 | - | 4.89 | 593,652 |
| Figures from Greek Mythology | 0 | - | 4.84 | 149,759 |
| Roman Numeral Decoding Quiz | 0 | - | 4.84 | 340,023 |
| Name that Historical Figure #1 | 0 | - | 4.67 | 261,607 |
| 2010 Year in Review | 0 | - | 3.90 | 46,874 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 204,772 |
| Prime Ministers of the UK | 0 | - | 4.93 | 319,804 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,487 |
| Ye Olde Professions | 0 | - | 4.52 | 119,992 |
| 2011 Year in Review | 0 | - | 4.12 | 39,113 |
| Name that Greek Letter | 0 | - | 4.93 | 255,736 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 130,798 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.07 | 840,076 |
| Countries in World War II | 0 | - | 4.47 | 677,092 |
| Deadliest U.S. Wars | 0 | - | 4.81 | 141,290 |
| Countries in World War I | 0 | - | 4.92 | 182,127 |
| Biggest Nations and Empires Ever | 0 | - | 4.64 | 120,715 |
| NBA Basketball by Year, 1970–1999 | 0 | - | 4.24 | 37,970 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 69,836 |
| Countries of the Soviet Union | 0 | - | 4.99 | 145,588 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 91,702 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.56 | 389,804 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.33 | 564,169 |
| Independence from Whom | 0 | - | 4.99 | 152,483 |
| Famous Empires in History | 0 | - | 4.81 | 92,076 |
| MLB Baseball by Year, 1960–1989 | 0 | - | 3.95 | 17,533 |
| NFL Football by Year, 1967–1999 | 0 | - | 4.23 | 23,132 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,261 |
| 2012 Year in Review | 0 | - | 3.96 | 43,401 |
| Who Controlled These Colonies? | 0 | - | 4.73 | 100,057 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 295,437 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,643 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,380 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,126 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 65,771 |
| 2013 Year in Review | 0 | - | 4.28 | 37,331 |
| Music by Year, 1990–2009 | 0 | - | 4.13 | 89,911 |
| Music by Year, 1970–1989 | 0 | - | 4.28 | 26,917 |
| Movies by Year, 1990–2009 | 0 | - | 4.13 | 58,950 |
| Movies by Year, 1970–1989 | 0 | - | 4.20 | 22,012 |
| Current Events by Year, 1990–2009 | 0 | - | 4.73 | 133,528 |
| Current Events by Year, 1970–1989 | 0 | - | 4.41 | 55,802 |
| Current Events by Year, 1950–1969 | 0 | - | 4.29 | 40,498 |
| Current Events by Year, 1930–1949 | 0 | - | 4.38 | 44,495 |
| Current Events by Year, 1910–1929 | 0 | - | 4.25 | 34,731 |
| Figures From the 18th Century | 0 | - | 3.93 | 14,562 |
| Ancient Greek Words | 0 | - | 4.83 | 71,525 |
| Confederate States of the U.S. Civil War | 0 | - | 4.92 | 102,963 |
| The 20th Century | 0 | - | 4.38 | 73,562 |
| The 19th Century | 0 | - | 4.38 | 49,117 |
| The 18th Century | 0 | - | 4.42 | 38,347 |
| The 17th Century | 0 | - | 4.38 | 39,736 |
| The 16th Century | 0 | - | 4.72 | 45,835 |
| The 15th Century | 0 | - | 4.33 | 38,968 |
| The 14th Century | 0 | - | 4.41 | 36,881 |
| The 13th Century | 0 | - | 4.35 | 31,183 |
| The 11th and 12th Century | 0 | - | 4.49 | 42,085 |
| Roman Emperors | 0 | - | 4.95 | 78,153 |
| History by Letter - A | 0 | - | 4.47 | 114,212 |
| History by Letter - B | 0 | - | 4.53 | 130,653 |
| History by Letter - C | 0 | - | 4.64 | 126,194 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 180,979 |
| History by Letter - J | 0 | - | 4.45 | 110,383 |
| Historical City to Country | 0 | - | 4.81 | 66,197 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,435 |
| Countries in the Ottoman Empire | 0 | - | 4.92 | 50,492 |
| 2014 Year in Review | 0 | - | 4.32 | 27,703 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,551 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.74 | 36,447 |
| 1990s Decade Quiz | 0 | - | 4.03 | 34,990 |
| 2000s Decade Quiz | 0 | - | 4.08 | 75,996 |
| 1980s Decade Quiz | 0 | - | 4.28 | 53,078 |
| 1970s Decade Quiz | 0 | - | 4.14 | 36,415 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 128,600 |
| 1960s Decade Quiz #1 | 0 | - | 4.29 | 35,991 |
| 1960s Decade Quiz #2 | 0 | - | 4.32 | 29,448 |
| 1950s Decade Quiz | 0 | - | 4.24 | 35,823 |
| 1940s Decade Quiz | 0 | - | 4.27 | 37,474 |
| 1930s Decade Quiz | 0 | - | 4.16 | 35,260 |
| 1920s Decade Quiz | 0 | - | 4.33 | 35,922 |
| 1910s Decade Quiz | 0 | - | 4.18 | 37,804 |
| 1900s Decade Quiz | 0 | - | 4.18 | 32,057 |
| 1890s Decade Quiz | 0 | - | 4.15 | 29,387 |
| 1880s Decade Quiz | 0 | - | 4.12 | 29,580 |
| 1870s Decade Quiz | 0 | - | 4.19 | 26,646 |
| 1860s Decade Quiz | 0 | - | 4.21 | 29,305 |
| Biggest European Cities by Century | 0 | - | 4.97 | 104,773 |
| Former Countries | 0 | - | 4.56 | 100,158 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 58,960 |
| Military History Vocabulary | 0 | - | 4.84 | 51,809 |
| 2015 Year in Review | 0 | - | 3.90 | 23,430 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 110,256 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 65,589 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,512 |
| Countries of Europe After World War II | 0 | - | 4.97 | 142,705 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 111,549 |
| Quiz on the Year 1908 | 0 | - | 4.22 | 9,851 |
| 2016 News Stories - Name the Country | 0 | - | 4.36 | 19,929 |
| 2016 Year in Review | 0 | - | 3.93 | 30,372 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 44,700 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 73,627 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,262 |
| Metals of Antiquity | 0 | - | 4.95 | 63,524 |
| 1850s Decade Quiz | 0 | - | 4.25 | 23,961 |
| 1840s Decade Quiz | 0 | - | 4.20 | 26,481 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.97 | 141,896 |
| The Trojan War | 0 | - | 4.84 | 25,865 |
| Quiz on the Year 1997 | 0 | - | 4.17 | 16,916 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,306 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,109 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,204 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,752 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 98,273 |
| 2017 News Stories - Name the Country | 0 | - | 4.47 | 23,902 |
| 2017 Year in Review | 0 | - | 4.41 | 27,194 |
| Quiz on the Year 1998 | 0 | - | 4.28 | 13,338 |
| 16th Century A-Z | 0 | - | 4.44 | 14,149 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 115,776 |
| 20th Century A-Z | 0 | - | 4.36 | 34,345 |
| 19th Century A-Z | 0 | - | 4.67 | 29,649 |
| 17th Century A-Z | 0 | - | 4.45 | 21,182 |
| 18th Century A-Z | 0 | - | 4.57 | 27,631 |
| 15th Century A-Z | 0 | - | 4.33 | 12,927 |
| 14th Century A-Z | 0 | - | 4.24 | 13,341 |
| Former Flags | 0 | - | 4.96 | 70,342 |
| Former Countries by Territory Map | 0 | - | 4.96 | 74,766 |
| The 9th and 10th Century | 0 | - | 4.41 | 25,676 |
| The 7th and 8th Century | 0 | - | 4.32 | 21,001 |
| The 5th and 6th Century | 0 | - | 4.56 | 18,750 |
| The 1st and 2nd Century | 0 | - | 4.57 | 19,408 |
| The 1st and 2nd Century BC | 0 | - | 4.40 | 12,920 |
| The 3rd and 4th Century BC | 0 | - | 4.49 | 11,662 |
| The 5th and 6th Century BC | 0 | - | 4.43 | 10,432 |
| The 7th, 8th, 9th and 10th Century BC | 0 | - | 4.56 | 7,981 |
| Countries of the World in 1900 | 0 | - | 4.87 | 52,000 |
| Empires by Maps | 0 | - | 4.99 | 74,913 |
| 2018 News Stories - Name the Country | 0 | - | 4.40 | 19,862 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 40,408 |
| Two Letter Roman Numerals | 0 | - | 4.94 | 27,784 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 146,189 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.82 | 16,910 |
| Louisiana Purchase with a Map | 0 | - | 4.94 | 30,285 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,088 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 72,376 |
| Name a Valid U.S. President #1 | 0 | - | 4.93 | 125,659 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 92,425 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 104,865 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 79,941 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 73,842 |
| Battle to Country | 0 | - | 4.89 | 30,446 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 84,169 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 66,738 |
| Cities by Former Name | 0 | - | 4.82 | 62,462 |
| Countries by Former Name | 0 | - | 4.99 | 82,295 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 58,435 |
| Name a Valid Year in History | 0 | - | 4.97 | 37,632 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 32,863 |
| 2019 Year in Review | 0 | - | 4.38 | 28,888 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.89 | 36,520 |
| MLB Baseball by Year, 1990–present | 0 | - | 3.69 | 7,947 |
| NBA Basketball by Year, 2000–present | 0 | - | 4.13 | 32,355 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 20,803 |
| The 21st Century | 0 | - | 4.44 | 58,403 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 58,239 |
| 2019 News Stories - Name the Country | 0 | - | 4.10 | 15,038 |
| NFL Football by Year, 2000–present | 0 | - | 4.26 | 15,776 |
| Countries by Founding Story | 0 | - | 4.91 | 48,667 |
| 2010s Decade Quiz | 0 | - | 4.54 | 53,233 |
| 1830s Decade Quiz | 0 | - | 4.31 | 18,686 |
| 1820s Decade Quiz | 0 | - | 4.40 | 18,617 |
| 1810s Decade Quiz | 0 | - | 4.44 | 18,985 |
| 1800s Decade Quiz | 0 | - | 4.38 | 19,834 |
| 1790s Decade Quiz | 0 | - | 4.39 | 21,451 |
| 1780s Decade Quiz | 0 | - | 4.09 | 16,425 |
| 1770s Decade Quiz | 0 | - | 3.86 | 17,477 |
| 2020 News Stories - Name the Country | 0 | - | 4.32 | 23,725 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 49,758 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.98 | 97,424 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.84 | 40,876 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 65,363 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.82 | 32,502 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 51,981 |
| 2020 Year in Review | 0 | - | 4.45 | 23,233 |
| Countries of the World in 1444 | 0 | - | 4.95 | 41,039 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.95 | 46,207 |
| Quiz on the Year 2000 | 0 | - | 4.02 | 16,325 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.96 | 17,993 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 52,626 |
| "Second Best" History Edition | 0 | - | 4.91 | 26,119 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 49,618 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.84 | 34,462 |
