| Quiz | Points | Best | Rating | Takes |
|---|
| U.S. Presidents Quiz | 0 | - | 4.99 | 2,674,359 |
| U.S. Presidents by Picture | 0 | - | 4.81 | 347,171 |
| Letters of the Greek Alphabet | 0 | - | 4.92 | 499,210 |
| Olympian Gods Quiz | 0 | - | 4.95 | 402,987 |
| English Monarchs Quiz | 0 | - | 4.85 | 378,968 |
| Words for Leaders | 0 | - | 4.66 | 185,602 |
| Communist Countries in History | 0 | - | 4.47 | 382,813 |
| Famous Dictators Quiz #1 | 0 | - | 4.52 | 168,201 |
| Mythical Creatures Quiz #1 | 0 | - | 4.89 | 594,865 |
| Figures from Greek Mythology | 0 | - | 4.85 | 150,079 |
| Roman Numeral Decoding Quiz | 0 | - | 4.84 | 341,097 |
| Name that Historical Figure #1 | 0 | - | 4.67 | 262,097 |
| 2010 Year in Review | 0 | - | 3.90 | 46,904 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,047 |
| Prime Ministers of the UK | 0 | - | 4.93 | 320,486 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,746 |
| Ye Olde Professions | 0 | - | 4.52 | 120,258 |
| 2011 Year in Review | 0 | - | 4.12 | 39,149 |
| Name that Greek Letter | 0 | - | 4.91 | 256,243 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 131,048 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.06 | 841,886 |
| Countries in World War II | 0 | - | 4.47 | 679,351 |
| Deadliest U.S. Wars | 0 | - | 4.81 | 141,604 |
| Countries in World War I | 0 | - | 4.92 | 182,636 |
| Biggest Nations and Empires Ever | 0 | - | 4.63 | 120,954 |
| NBA Basketball by Year, 1970–1999 | 0 | - | 4.24 | 38,053 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,070 |
| Countries of the Soviet Union | 0 | - | 4.99 | 146,002 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 91,930 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.56 | 390,728 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.33 | 565,633 |
| Independence from Whom | 0 | - | 4.99 | 152,786 |
| MLB Baseball by Year, 1960–1989 | 0 | - | 3.95 | 17,544 |
| NFL Football by Year, 1967–1999 | 0 | - | 4.23 | 23,150 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,553 |
| 2012 Year in Review | 0 | - | 3.96 | 43,421 |
| Who Controlled These Colonies? | 0 | - | 4.73 | 100,510 |
| First Names of U.S. Presidents | 0 | - | 4.87 | 296,125 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,901 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,527 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,275 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 65,913 |
| 2013 Year in Review | 0 | - | 4.28 | 37,384 |
| Music by Year, 1990–2009 | 0 | - | 4.13 | 90,853 |
| Music by Year, 1970–1989 | 0 | - | 4.13 | 32,951 |
| Movies by Year, 1990–2009 | 0 | - | 4.13 | 59,062 |
| Movies by Year, 1970–1989 | 0 | - | 4.20 | 22,045 |
| Current Events by Year, 1990–2009 | 0 | - | 4.74 | 133,712 |
| Current Events by Year, 1970–1989 | 0 | - | 4.41 | 55,925 |
| Current Events by Year, 1950–1969 | 0 | - | 4.30 | 40,574 |
| Current Events by Year, 1930–1949 | 0 | - | 4.38 | 44,611 |
| Current Events by Year, 1910–1929 | 0 | - | 4.26 | 34,789 |
| Figures From the 18th Century | 0 | - | 3.93 | 14,566 |
| Ancient Greek Words | 0 | - | 4.83 | 71,946 |
| Confederate States of the U.S. Civil War | 0 | - | 4.92 | 103,275 |
| The 20th Century | 0 | - | 4.38 | 73,641 |
| The 19th Century | 0 | - | 4.38 | 49,180 |
| The 18th Century | 0 | - | 4.42 | 38,418 |
| The 17th Century | 0 | - | 4.38 | 39,801 |
| The 16th Century | 0 | - | 4.72 | 45,903 |
| The 15th Century | 0 | - | 4.30 | 39,005 |
| The 14th Century | 0 | - | 4.41 | 36,925 |
| The 13th Century | 0 | - | 4.35 | 31,225 |
| The 11th and 12th Century | 0 | - | 4.49 | 42,156 |
| Roman Emperors | 0 | - | 4.95 | 78,417 |
| History by Letter - A | 0 | - | 4.47 | 115,398 |
| History by Letter - B | 0 | - | 4.52 | 131,749 |
| History by Letter - C | 0 | - | 4.64 | 127,340 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,424 |
| History by Letter - J | 0 | - | 4.45 | 111,256 |
| Historical City to Country | 0 | - | 4.81 | 66,326 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,710 |
| Countries in the Ottoman Empire | 0 | - | 4.92 | 50,651 |
| 2014 Year in Review | 0 | - | 4.32 | 27,754 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,716 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.74 | 36,462 |
| 1990s Decade Quiz | 0 | - | 4.03 | 35,036 |
| 2000s Decade Quiz | 0 | - | 4.08 | 76,075 |
| 1980s Decade Quiz | 0 | - | 4.28 | 53,145 |
| 1970s Decade Quiz | 0 | - | 4.14 | 36,464 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 128,839 |
| 1960s Decade Quiz #1 | 0 | - | 4.29 | 36,039 |
| 1960s Decade Quiz #2 | 0 | - | 4.32 | 29,499 |
| 1950s Decade Quiz | 0 | - | 4.24 | 35,870 |
| 1940s Decade Quiz | 0 | - | 4.27 | 37,520 |
| 1930s Decade Quiz | 0 | - | 4.16 | 35,300 |
| 1920s Decade Quiz | 0 | - | 4.33 | 35,976 |
| 1910s Decade Quiz | 0 | - | 4.18 | 37,849 |
| 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 | 26,682 |
| 1860s Decade Quiz | 0 | - | 4.21 | 29,343 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,002 |
| Former Countries | 0 | - | 4.52 | 100,305 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,117 |
| Military History Vocabulary | 0 | - | 4.84 | 51,945 |
| 2015 Year in Review | 0 | - | 3.90 | 23,461 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 110,614 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 65,813 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,626 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,232 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 112,096 |
| Quiz on the Year 1908 | 0 | - | 4.22 | 9,887 |
| 2016 News Stories - Name the Country | 0 | - | 4.36 | 19,979 |
| 2016 Year in Review | 0 | - | 3.93 | 30,403 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 44,779 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 73,784 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,393 |
| Metals of Antiquity | 0 | - | 4.95 | 63,653 |
| 1850s Decade Quiz | 0 | - | 4.25 | 23,997 |
| 1840s Decade Quiz | 0 | - | 4.20 | 26,514 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,294 |
| The Trojan War | 0 | - | 4.83 | 25,938 |
| Quiz on the Year 1997 | 0 | - | 4.17 | 16,943 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,454 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,242 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,339 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,876 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 98,911 |
| 2017 News Stories - Name the Country | 0 | - | 4.48 | 23,972 |
| 2017 Year in Review | 0 | - | 4.41 | 27,250 |
| Quiz on the Year 1998 | 0 | - | 4.28 | 13,372 |
| 16th Century A-Z | 0 | - | 4.44 | 14,197 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 116,124 |
| 20th Century A-Z | 0 | - | 4.36 | 34,421 |
| 19th Century A-Z | 0 | - | 4.67 | 29,747 |
| 17th Century A-Z | 0 | - | 4.45 | 21,254 |
| 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 | 70,540 |
| Former Countries by Territory Map | 0 | - | 4.96 | 74,962 |
| 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 | 18,797 |
| The 1st and 2nd Century | 0 | - | 4.57 | 19,453 |
| 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 | 10,471 |
| The 7th, 8th, 9th and 10th Century BC | 0 | - | 4.56 | 8,029 |
| Countries of the World in 1900 | 0 | - | 4.87 | 52,267 |
| Empires by Maps | 0 | - | 4.99 | 75,259 |
| 2018 News Stories - Name the Country | 0 | - | 4.40 | 19,927 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 40,509 |
| Two Letter Roman Numerals | 0 | - | 4.94 | 28,041 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 146,639 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.82 | 16,967 |
| Louisiana Purchase with a Map | 0 | - | 4.94 | 30,376 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,190 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 72,695 |
| Name a Valid U.S. President #1 | 0 | - | 4.93 | 126,021 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 92,785 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 105,350 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 80,249 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 74,194 |
| Battle to Country | 0 | - | 4.89 | 30,544 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 84,472 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 66,923 |
| Cities by Former Name | 0 | - | 4.82 | 62,615 |
| Countries by Former Name | 0 | - | 4.99 | 82,511 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 58,646 |
| Name a Valid Year in History | 0 | - | 4.97 | 37,952 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 33,013 |
| 2019 Year in Review | 0 | - | 4.38 | 28,944 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.89 | 36,792 |
| MLB Baseball by Year, 1990–present | 0 | - | 3.69 | 7,972 |
| NBA Basketball by Year, 2000–present | 0 | - | 4.13 | 32,514 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 20,927 |
| The 21st Century | 0 | - | 4.44 | 58,532 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 58,505 |
| 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 | 48,776 |
| 2010s Decade Quiz | 0 | - | 4.54 | 53,378 |
| 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 |
| 1770s Decade Quiz | 0 | - | 3.86 | 17,496 |
| 2020 News Stories - Name the Country | 0 | - | 4.32 | 23,805 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 50,008 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.98 | 97,980 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.84 | 41,072 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 65,666 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.82 | 32,670 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 52,186 |
| 2020 Year in Review | 0 | - | 4.45 | 23,286 |
| Countries of the World in 1444 | 0 | - | 4.95 | 41,258 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.96 | 46,455 |
| Quiz on the Year 2000 | 0 | - | 4.02 | 16,359 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.94 | 18,115 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 52,831 |
| "Second Best" History Edition | 0 | - | 4.91 | 26,256 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 49,864 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.84 | 34,778 |
| History: What Came First? #1 | 0 | - | 4.81 | 62,747 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 54,905 |
