| Quiz | Points | Best | Rating | Takes |
|---|
| U.S. Presidents Quiz | 0 | - | 4.99 | 2,674,529 |
| U.S. Presidents by Picture | 0 | - | 4.81 | 347,192 |
| Letters of the Greek Alphabet | 0 | - | 4.92 | 499,270 |
| Olympian Gods Quiz | 0 | - | 4.95 | 403,002 |
| English Monarchs Quiz | 0 | - | 4.85 | 378,987 |
| Communist Countries in History | 0 | - | 4.47 | 382,830 |
| Mythical Creatures Quiz #1 | 0 | - | 4.89 | 594,894 |
| Figures from Greek Mythology | 0 | - | 4.85 | 150,085 |
| Roman Numeral Decoding Quiz | 0 | - | 4.84 | 341,106 |
| 2010 Year in Review | 0 | - | 3.90 | 46,905 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,055 |
| Prime Ministers of the UK | 0 | - | 4.93 | 320,498 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,749 |
| Former Capitals Quiz | 0 | - | 4.74 | 54,449 |
| 2011 Year in Review | 0 | - | 4.12 | 39,150 |
| Name that Greek Letter | 0 | - | 4.90 | 256,254 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 131,054 |
| Countries in World War II | 0 | - | 4.47 | 679,395 |
| Deadliest U.S. Wars | 0 | - | 4.81 | 141,614 |
| Countries in World War I | 0 | - | 4.92 | 182,647 |
| NBA Basketball by Year, 1970–1999 | 0 | - | 4.24 | 38,055 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,075 |
| Countries of the Soviet Union | 0 | - | 4.99 | 146,013 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 91,936 |
| Independence from Whom | 0 | - | 4.99 | 152,795 |
| NFL Football by Year, 1967–1999 | 0 | - | 4.23 | 23,151 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,557 |
| WWII Trivia #1 | 0 | - | 4.34 | 130,671 |
| Notable People of WWII | 0 | - | 4.48 | 73,927 |
| 2012 Year in Review | 0 | - | 3.96 | 43,421 |
| WWII Trivia #2 | 0 | - | 4.47 | 76,189 |
| World War I Quiz | 0 | - | 4.52 | 82,890 |
| First Names of U.S. Presidents | 0 | - | 4.87 | 296,147 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,915 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,531 |
| The Bill Clinton Presidency | 0 | - | 4.12 | 28,239 |
| The George H. W. Bush Presidency | 0 | - | 4.33 | 19,002 |
| The Ronald Reagan Presidency | 0 | - | 4.20 | 21,666 |
| The Jimmy Carter Presidency | 0 | - | 4.24 | 16,426 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.37 | 20,324 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,277 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 65,916 |
| Cold War Trivia #1 | 0 | - | 4.34 | 49,549 |
| Cold War Trivia #2 | 0 | - | 4.17 | 22,942 |
| 2013 Year in Review | 0 | - | 4.28 | 37,385 |
| Music by Year, 1990–2009 | 0 | - | 4.13 | 90,884 |
| Music by Year, 1970–1989 | 0 | - | 4.16 | 33,099 |
| Movies by Year, 1990–2009 | 0 | - | 4.13 | 59,064 |
| Movies by Year, 1970–1989 | 0 | - | 4.20 | 22,045 |
| Current Events by Year, 1990–2009 | 0 | - | 4.74 | 133,717 |
| Current Events by Year, 1970–1989 | 0 | - | 4.41 | 55,926 |
| Current Events by Year, 1950–1969 | 0 | - | 4.30 | 40,575 |
| Current Events by Year, 1930–1949 | 0 | - | 4.38 | 44,612 |
| Current Events by Year, 1910–1929 | 0 | - | 4.26 | 34,790 |
| Figures From the 18th Century | 0 | - | 3.93 | 14,566 |
| Ancient Greek Words | 0 | - | 4.83 | 71,958 |
| Space Exploration Trivia | 0 | - | 4.32 | 31,032 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,302 |
| Important Cities in WWII | 0 | - | 4.37 | 75,800 |
| Confederate States of the U.S. Civil War | 0 | - | 4.92 | 103,287 |
| The 19th Century | 0 | - | 4.38 | 49,181 |
| The 18th Century | 0 | - | 4.42 | 38,419 |
| The 17th Century | 0 | - | 4.38 | 39,801 |
| The 16th Century | 0 | - | 4.67 | 45,903 |
| The 15th Century | 0 | - | 4.30 | 39,006 |
| The 14th Century | 0 | - | 4.41 | 36,925 |
| The 13th Century | 0 | - | 4.35 | 31,226 |
| The 11th and 12th Century | 0 | - | 4.49 | 42,158 |
| WWI A-Z | 0 | - | 4.49 | 30,902 |
| Roman Emperors | 0 | - | 4.95 | 78,431 |
| WWII A-Z #1 | 0 | - | 4.74 | 81,181 |
| WWII A-Z #2 | 0 | - | 4.44 | 43,656 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,437 |
| WWII First Names | 0 | - | 4.37 | 33,649 |
| WWII Movies | 0 | - | 4.16 | 23,934 |
| Historical City to Country | 0 | - | 4.81 | 66,332 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,716 |
| Countries in the Ottoman Empire | 0 | - | 4.92 | 50,651 |
| 2014 Year in Review | 0 | - | 4.32 | 27,754 |
| World Leaders of the Cold War | 0 | - | 4.26 | 19,427 |
| World Leaders of the World Wars | 0 | - | 4.35 | 30,543 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,717 |
| WWII Geography | 0 | - | 4.73 | 88,521 |
| Soviet Leaders 1917–1991 | 0 | - | 4.34 | 65,176 |
| 1990s Decade Quiz | 0 | - | 4.03 | 35,037 |
| 2000s Decade Quiz | 0 | - | 4.08 | 76,075 |
| 1980s Decade Quiz | 0 | - | 4.28 | 53,147 |
| 1970s Decade Quiz | 0 | - | 4.14 | 36,466 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 128,846 |
| 1960s Decade Quiz #1 | 0 | - | 4.29 | 36,041 |
| 1960s Decade Quiz #2 | 0 | - | 4.32 | 29,501 |
| 1950s Decade Quiz | 0 | - | 4.24 | 35,872 |
| 1940s Decade Quiz | 0 | - | 4.27 | 37,523 |
| 1930s Decade Quiz | 0 | - | 4.16 | 35,301 |
| 1920s Decade Quiz | 0 | - | 4.33 | 35,976 |
| 1910s Decade Quiz | 0 | - | 4.18 | 37,850 |
| 1900s Decade Quiz | 0 | - | 4.18 | 32,097 |
| 1890s Decade Quiz | 0 | - | 4.15 | 29,416 |
| 1880s Decade Quiz | 0 | - | 4.12 | 29,617 |
| 1870s Decade Quiz | 0 | - | 4.19 | 26,683 |
| 1860s Decade Quiz | 0 | - | 4.21 | 29,344 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,007 |
| Countries Invaded by the USSR | 0 | - | 4.22 | 59,995 |
| WWII Decoder | 0 | - | 4.39 | 43,019 |
| Cold War Decoder | 0 | - | 4.54 | 34,047 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,129 |
| Military History Vocabulary | 0 | - | 4.84 | 51,949 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,489 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 110,625 |
| Normandy D-Day Beaches | 0 | - | 4.71 | 26,752 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 65,818 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,626 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,242 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 112,108 |
| Quiz on the Year 1908 | 0 | - | 4.22 | 9,888 |
| 2016 News Stories - Name the Country | 0 | - | 4.36 | 19,980 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 44,779 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 73,787 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,397 |
| Metals of Antiquity | 0 | - | 4.95 | 63,653 |
| The Life of Winston Churchill | 0 | - | 4.06 | 10,545 |
| 1850s Decade Quiz | 0 | - | 4.25 | 23,997 |
| 1840s Decade Quiz | 0 | - | 4.20 | 26,514 |
| Soviet Union Country Quiz | 0 | - | 4.78 | 56,377 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,300 |
| Albert Einstein Quiz | 0 | - | 4.56 | 11,238 |
| The Events of 9/11 | 0 | - | 4.14 | 24,807 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.56 | 49,670 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.16 | 33,628 |
| Quiz on the Year 1997 | 0 | - | 4.17 | 16,943 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,458 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,246 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,341 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,877 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 98,915 |
| 2017 News Stories - Name the Country | 0 | - | 4.48 | 23,973 |
| 2017 Year in Review | 0 | - | 4.41 | 27,252 |
| Quiz on the Year 1998 | 0 | - | 4.28 | 13,372 |
| 16th Century A-Z | 0 | - | 4.44 | 14,198 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 116,132 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.54 | 11,642 |
| 20th Century A-Z | 0 | - | 4.36 | 34,423 |
| 19th Century A-Z | 0 | - | 4.67 | 29,750 |
| 17th Century A-Z | 0 | - | 4.45 | 21,255 |
| 18th Century A-Z | 0 | - | 4.57 | 27,741 |
| 15th Century A-Z | 0 | - | 4.33 | 12,977 |
| 14th Century A-Z | 0 | - | 4.24 | 13,401 |
| Former Flags | 0 | - | 4.96 | 70,544 |
| Former Countries by Territory Map | 0 | - | 4.96 | 74,967 |
| Roman Provinces on a Map | 0 | - | 4.72 | 25,617 |
| The 9th and 10th Century | 0 | - | 4.41 | 25,729 |
| The 7th and 8th Century | 0 | - | 4.32 | 21,038 |
| The 5th and 6th Century | 0 | - | 4.56 | 18,798 |
| The 1st and 2nd Century | 0 | - | 4.57 | 19,454 |
| The 1st and 2nd Century BC | 0 | - | 4.40 | 12,959 |
| The 3rd and 4th Century BC | 0 | - | 4.44 | 11,704 |
| The 5th and 6th Century BC | 0 | - | 4.43 | 10,472 |
| The 7th, 8th, 9th and 10th Century BC | 0 | - | 4.56 | 8,029 |
| Countries of the World in 1900 | 0 | - | 4.87 | 52,268 |
| Empires by Maps | 0 | - | 4.99 | 75,260 |
| Cities Bombed During WWII | 0 | - | 4.03 | 24,307 |
| 2018 News Stories - Name the Country | 0 | - | 4.40 | 19,928 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 40,510 |
| WWII Figures by Picture | 0 | - | 4.64 | 30,458 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 146,648 |
| World War II Multiple Choice | 0 | - | 4.36 | 85,253 |
| Territory Changes in World War I | 0 | - | 4.78 | 33,935 |
| Countries of the German Empire | 0 | - | 4.36 | 26,612 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,195 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 72,703 |
| Name a Valid U.S. President #1 | 0 | - | 4.93 | 126,036 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 92,791 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 105,362 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 80,255 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 74,202 |
| Countries of the Italian Empire | 0 | - | 4.19 | 19,902 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 84,482 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 66,928 |
| Cities by Former Name | 0 | - | 4.82 | 62,617 |
| Countries by Former Name | 0 | - | 4.99 | 82,514 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 58,648 |
| Name a Valid Year in History | 0 | - | 4.97 | 37,957 |
| Name a Valid Answer - World War II | 0 | - | 4.43 | 38,920 |
| 2019 Year in Review | 0 | - | 4.38 | 28,945 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.89 | 36,797 |
| NBA Basketball by Year, 2000–present | 0 | - | 4.13 | 32,518 |
| The 21st Century | 0 | - | 4.44 | 58,533 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 58,513 |
| 2019 News Stories - Name the Country | 0 | - | 4.10 | 15,074 |
| NFL Football by Year, 2000–present | 0 | - | 4.26 | 15,827 |
| Countries by Founding Story | 0 | - | 4.91 | 48,778 |
| 2010s Decade Quiz | 0 | - | 4.54 | 53,380 |
| 1830s Decade Quiz | 0 | - | 4.33 | 18,736 |
| 1820s Decade Quiz | 0 | - | 4.40 | 18,656 |
| 1810s Decade Quiz | 0 | - | 4.44 | 19,031 |
| 1800s Decade Quiz | 0 | - | 4.38 | 19,886 |
| 1790s Decade Quiz | 0 | - | 4.39 | 21,488 |
| 1780s Decade Quiz | 0 | - | 4.09 | 16,447 |
| 2020 News Stories - Name the Country | 0 | - | 4.32 | 23,806 |
| WWI... or WWII? | 0 | - | 4.78 | 82,622 |
