| Quiz | Points | Best | Rating | Takes |
|---|
| U.S. Presidents Quiz | 0 | - | 4.99 | 2,680,294 |
| U.S. Presidents by Picture | 0 | - | 4.81 | 347,845 |
| Letters of the Greek Alphabet | 0 | - | 4.92 | 500,354 |
| Olympian Gods Quiz | 0 | - | 4.95 | 403,698 |
| English Monarchs Quiz | 0 | - | 4.85 | 379,707 |
| Communist Countries in History | 0 | - | 4.48 | 383,598 |
| Mythical Creatures Quiz #1 | 0 | - | 4.89 | 595,767 |
| Figures from Greek Mythology | 0 | - | 4.85 | 150,390 |
| Roman Numeral Decoding Quiz | 0 | - | 4.84 | 341,797 |
| 2010 Year in Review | 0 | - | 3.90 | 46,927 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,351 |
| Prime Ministers of the UK | 0 | - | 4.93 | 321,093 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,943 |
| Former Capitals Quiz | 0 | - | 4.74 | 54,497 |
| 2011 Year in Review | 0 | - | 4.12 | 39,181 |
| Name that Greek Letter | 0 | - | 4.90 | 256,685 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 131,485 |
| Countries in World War II | 0 | - | 4.48 | 681,047 |
| Deadliest U.S. Wars | 0 | - | 4.81 | 141,837 |
| Countries in World War I | 0 | - | 4.91 | 183,000 |
| NBA Basketball by Year, 1970–1999 | 0 | - | 4.24 | 38,120 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,240 |
| Countries of the Soviet Union | 0 | - | 4.99 | 146,347 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 92,125 |
| Independence from Whom | 0 | - | 4.99 | 153,005 |
| NFL Football by Year, 1967–1999 | 0 | - | 4.24 | 23,169 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,773 |
| WWII Trivia #1 | 0 | - | 4.34 | 130,888 |
| Notable People of WWII | 0 | - | 4.48 | 74,003 |
| 2012 Year in Review | 0 | - | 3.96 | 43,441 |
| WWII Trivia #2 | 0 | - | 4.47 | 76,287 |
| World War I Quiz | 0 | - | 4.53 | 83,008 |
| First Names of U.S. Presidents | 0 | - | 4.87 | 296,627 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 147,125 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,642 |
| The Bill Clinton Presidency | 0 | - | 4.12 | 28,251 |
| The George H. W. Bush Presidency | 0 | - | 4.34 | 19,023 |
| The Ronald Reagan Presidency | 0 | - | 4.21 | 21,686 |
| The Jimmy Carter Presidency | 0 | - | 4.24 | 16,440 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.37 | 20,343 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,394 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 66,026 |
| Cold War Trivia #1 | 0 | - | 4.34 | 49,634 |
| Cold War Trivia #2 | 0 | - | 4.17 | 22,987 |
| 2013 Year in Review | 0 | - | 4.28 | 37,419 |
| Music by Year, 1990–2009 | 0 | - | 4.13 | 91,255 |
| Music by Year, 1970–1989 | 0 | - | 4.14 | 34,400 |
| Movies by Year, 1990–2009 | 0 | - | 4.13 | 59,124 |
| Movies by Year, 1970–1989 | 0 | - | 4.20 | 22,068 |
| Current Events by Year, 1990–2009 | 0 | - | 4.74 | 133,930 |
| Current Events by Year, 1970–1989 | 0 | - | 4.41 | 56,046 |
| Current Events by Year, 1950–1969 | 0 | - | 4.30 | 40,713 |
| Current Events by Year, 1930–1949 | 0 | - | 4.38 | 44,774 |
| Current Events by Year, 1910–1929 | 0 | - | 4.26 | 36,729 |
| Figures From the 18th Century | 0 | - | 3.93 | 14,569 |
| Ancient Greek Words | 0 | - | 4.83 | 72,308 |
| Space Exploration Trivia | 0 | - | 4.33 | 31,065 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,418 |
| Important Cities in WWII | 0 | - | 4.37 | 75,860 |
| Confederate States of the U.S. Civil War | 0 | - | 4.93 | 103,459 |
| The 19th Century | 0 | - | 4.38 | 49,229 |
| The 18th Century | 0 | - | 4.42 | 38,451 |
| The 17th Century | 0 | - | 4.38 | 39,832 |
| The 16th Century | 0 | - | 4.68 | 45,940 |
| The 15th Century | 0 | - | 4.30 | 39,041 |
| The 14th Century | 0 | - | 4.41 | 36,962 |
| The 13th Century | 0 | - | 4.35 | 31,251 |
| The 11th and 12th Century | 0 | - | 4.49 | 42,195 |
| WWI A-Z | 0 | - | 4.49 | 30,963 |
| Roman Emperors | 0 | - | 4.95 | 78,775 |
| WWII A-Z #1 | 0 | - | 4.74 | 81,320 |
| WWII A-Z #2 | 0 | - | 4.44 | 43,744 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,759 |
| WWII First Names | 0 | - | 4.37 | 33,706 |
| WWII Movies | 0 | - | 4.16 | 23,956 |
| Historical City to Country | 0 | - | 4.81 | 66,428 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,920 |
| Countries in the Ottoman Empire | 0 | - | 4.92 | 50,751 |
| 2014 Year in Review | 0 | - | 4.32 | 27,795 |
| World Leaders of the Cold War | 0 | - | 4.26 | 19,467 |
| World Leaders of the World Wars | 0 | - | 4.35 | 30,590 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,845 |
| WWII Geography | 0 | - | 4.73 | 88,971 |
| Soviet Leaders 1917–1991 | 0 | - | 4.34 | 65,295 |
| 1990s Decade Quiz | 0 | - | 4.03 | 35,062 |
| 2000s Decade Quiz | 0 | - | 4.08 | 76,147 |
| 1980s Decade Quiz | 0 | - | 4.28 | 53,189 |
| 1970s Decade Quiz | 0 | - | 4.14 | 36,487 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 129,007 |
| 1960s Decade Quiz #1 | 0 | - | 4.29 | 36,068 |
| 1960s Decade Quiz #2 | 0 | - | 4.32 | 29,539 |
| 1950s Decade Quiz | 0 | - | 4.24 | 35,903 |
| 1940s Decade Quiz | 0 | - | 4.27 | 37,558 |
| 1930s Decade Quiz | 0 | - | 4.16 | 35,321 |
| 1920s Decade Quiz | 0 | - | 4.33 | 36,005 |
| 1910s Decade Quiz | 0 | - | 4.18 | 37,869 |
| 1900s Decade Quiz | 0 | - | 4.18 | 32,114 |
| 1890s Decade Quiz | 0 | - | 4.15 | 29,437 |
| 1880s Decade Quiz | 0 | - | 4.12 | 29,637 |
| 1870s Decade Quiz | 0 | - | 4.19 | 26,702 |
| 1860s Decade Quiz | 0 | - | 4.21 | 29,365 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,192 |
| Countries Invaded by the USSR | 0 | - | 4.22 | 60,112 |
| WWII Decoder | 0 | - | 4.39 | 43,108 |
| Cold War Decoder | 0 | - | 4.54 | 34,128 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,249 |
| Military History Vocabulary | 0 | - | 4.84 | 52,058 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,529 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 110,891 |
| Normandy D-Day Beaches | 0 | - | 4.71 | 26,803 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 66,014 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,704 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,538 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 112,476 |
| Quiz on the Year 1908 | 0 | - | 4.22 | 9,912 |
| 2016 News Stories - Name the Country | 0 | - | 4.36 | 20,013 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 44,849 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 73,922 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,507 |
| Metals of Antiquity | 0 | - | 4.95 | 63,755 |
| The Life of Winston Churchill | 0 | - | 4.06 | 10,553 |
| 1850s Decade Quiz | 0 | - | 4.25 | 24,017 |
| 1840s Decade Quiz | 0 | - | 4.20 | 26,534 |
| Soviet Union Country Quiz | 0 | - | 4.79 | 56,512 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,584 |
| Albert Einstein Quiz | 0 | - | 4.56 | 11,267 |
| The Events of 9/11 | 0 | - | 4.14 | 24,834 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.57 | 49,794 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.16 | 33,679 |
| Quiz on the Year 1997 | 0 | - | 4.17 | 16,961 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,559 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,339 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,417 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,969 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 99,118 |
| 2017 News Stories - Name the Country | 0 | - | 4.48 | 24,023 |
| 2017 Year in Review | 0 | - | 4.41 | 27,287 |
| Quiz on the Year 1998 | 0 | - | 4.28 | 13,392 |
| 16th Century A-Z | 0 | - | 4.44 | 14,227 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 116,365 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.54 | 11,671 |
| 20th Century A-Z | 0 | - | 4.36 | 34,493 |
| 19th Century A-Z | 0 | - | 4.67 | 29,822 |
| 17th Century A-Z | 0 | - | 4.45 | 21,299 |
| 18th Century A-Z | 0 | - | 4.57 | 27,797 |
| 15th Century A-Z | 0 | - | 4.33 | 13,005 |
| 14th Century A-Z | 0 | - | 4.24 | 13,435 |
| Former Flags | 0 | - | 4.96 | 70,716 |
| Former Countries by Territory Map | 0 | - | 4.96 | 75,101 |
| Roman Provinces on a Map | 0 | - | 4.73 | 25,698 |
| The 9th and 10th Century | 0 | - | 4.41 | 25,766 |
| The 7th and 8th Century | 0 | - | 4.32 | 21,052 |
| The 5th and 6th Century | 0 | - | 4.64 | 18,823 |
| The 1st and 2nd Century | 0 | - | 4.57 | 19,494 |
| The 1st and 2nd Century BC | 0 | - | 4.40 | 12,990 |
| The 3rd and 4th Century BC | 0 | - | 4.39 | 11,733 |
| The 5th and 6th Century BC | 0 | - | 4.43 | 10,496 |
| The 7th, 8th, 9th and 10th Century BC | 0 | - | 4.57 | 8,058 |
| Countries of the World in 1900 | 0 | - | 4.87 | 52,504 |
| Empires by Maps | 0 | - | 4.99 | 75,552 |
| Cities Bombed During WWII | 0 | - | 4.03 | 24,335 |
| 2018 News Stories - Name the Country | 0 | - | 4.40 | 19,971 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 40,596 |
| WWII Figures by Picture | 0 | - | 4.64 | 30,602 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 147,057 |
| World War II Multiple Choice | 0 | - | 4.36 | 85,376 |
| Territory Changes in World War I | 0 | - | 4.78 | 34,033 |
| Countries of the German Empire | 0 | - | 4.36 | 26,683 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,325 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 72,947 |
| Name a Valid U.S. President #1 | 0 | - | 4.93 | 126,309 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 93,113 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 105,733 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 80,459 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 74,416 |
| Countries of the Italian Empire | 0 | - | 4.19 | 19,948 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 84,725 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 67,044 |
| Cities by Former Name | 0 | - | 4.82 | 62,713 |
| Countries by Former Name | 0 | - | 4.98 | 82,678 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 58,814 |
| Name a Valid Year in History | 0 | - | 4.97 | 38,167 |
| Name a Valid Answer - World War II | 0 | - | 4.44 | 38,987 |
| 2019 Year in Review | 0 | - | 4.38 | 28,989 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.89 | 36,948 |
| NBA Basketball by Year, 2000–present | 0 | - | 4.13 | 32,634 |
| The 21st Century | 0 | - | 4.44 | 58,631 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 58,744 |
| 2019 News Stories - Name the Country | 0 | - | 4.10 | 15,105 |
| NFL Football by Year, 2000–present | 0 | - | 4.26 | 15,860 |
| Countries by Founding Story | 0 | - | 4.91 | 48,850 |
| 2010s Decade Quiz | 0 | - | 4.55 | 53,518 |
| 1830s Decade Quiz | 0 | - | 4.33 | 18,757 |
| 1820s Decade Quiz | 0 | - | 4.40 | 18,672 |
| 1810s Decade Quiz | 0 | - | 4.44 | 19,046 |
| 1800s Decade Quiz | 0 | - | 4.38 | 19,910 |
| 1790s Decade Quiz | 0 | - | 4.39 | 21,516 |
| 1780s Decade Quiz | 0 | - | 4.09 | 16,454 |
| 2020 News Stories - Name the Country | 0 | - | 4.32 | 23,868 |
| WWI... or WWII? | 0 | - | 4.74 | 82,898 |
