| Quiz | Points | Best | Rating | Takes |
|---|
| U.S. Presidents Quiz | 0 | - | 4.99 | 2,682,652 |
| U.S. Presidents by Picture | 0 | - | 4.81 | 348,129 |
| Letters of the Greek Alphabet | 0 | - | 4.92 | 500,682 |
| Olympian Gods Quiz | 0 | - | 4.95 | 403,913 |
| English Monarchs Quiz | 0 | - | 4.85 | 379,979 |
| Words for Leaders | 0 | - | 4.66 | 186,168 |
| Communist Countries in History | 0 | - | 4.48 | 383,886 |
| Famous Dictators Quiz #1 | 0 | - | 4.53 | 168,454 |
| Mythical Creatures Quiz #1 | 0 | - | 4.89 | 596,137 |
| Figures from Greek Mythology | 0 | - | 4.85 | 150,487 |
| Roman Numeral Decoding Quiz | 0 | - | 4.84 | 342,010 |
| Name that Historical Figure #1 | 0 | - | 4.68 | 263,629 |
| 2010 Year in Review | 0 | - | 3.90 | 46,932 |
| Events in History #1 | 0 | - | 4.28 | 139,385 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,422 |
| Prime Ministers of the UK | 0 | - | 4.93 | 321,264 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 133,013 |
| 20th Century Dates Quiz | 0 | - | 4.47 | 34,972 |
| 2011 Year in Review | 0 | - | 4.12 | 39,190 |
| Name that Greek Letter | 0 | - | 4.90 | 256,809 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 131,547 |
| Countries in World War II | 0 | - | 4.48 | 681,674 |
| Deadliest U.S. Wars | 0 | - | 4.81 | 141,938 |
| Countries in World War I | 0 | - | 4.91 | 183,115 |
| Biggest Nations and Empires Ever | 0 | - | 4.64 | 121,178 |
| NBA Basketball by Year, 1970–1999 | 0 | - | 4.24 | 38,152 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,307 |
| Countries of the Soviet Union | 0 | - | 4.99 | 146,450 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 92,173 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.57 | 391,763 |
| Independence from Whom | 0 | - | 4.99 | 153,085 |
| MLB Baseball by Year, 1960–1989 | 0 | - | 3.98 | 17,555 |
| NFL Football by Year, 1967–1999 | 0 | - | 4.24 | 23,177 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,832 |
| 2012 Year in Review | 0 | - | 3.96 | 43,449 |
| First Names of U.S. Presidents | 0 | - | 4.87 | 296,815 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 147,193 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,687 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,430 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 66,063 |
| Events in History #2 | 0 | - | 4.37 | 60,439 |
| 2013 Year in Review | 0 | - | 4.28 | 37,430 |
| Events in History #3 | 0 | - | 4.27 | 62,388 |
| Music by Year, 1990–2009 | 0 | - | 4.13 | 91,330 |
| Music by Year, 1970–1989 | 0 | - | 4.15 | 34,521 |
| Movies by Year, 1990–2009 | 0 | - | 4.13 | 59,165 |
| Movies by Year, 1970–1989 | 0 | - | 4.20 | 22,078 |
| Current Events by Year, 1990–2009 | 0 | - | 4.76 | 134,278 |
| Current Events by Year, 1970–1989 | 0 | - | 4.43 | 56,365 |
| Current Events by Year, 1950–1969 | 0 | - | 4.31 | 41,028 |
| Current Events by Year, 1930–1949 | 0 | - | 4.40 | 45,115 |
| Current Events by Year, 1910–1929 | 0 | - | 4.28 | 41,004 |
| Figures From the 18th Century | 0 | - | 3.93 | 14,574 |
| Ancient Greek Words | 0 | - | 4.84 | 72,405 |
| Confederate States of the U.S. Civil War | 0 | - | 4.92 | 103,529 |
| The 20th Century | 0 | - | 4.38 | 73,729 |
| The 19th Century | 0 | - | 4.38 | 49,248 |
| The 18th Century | 0 | - | 4.42 | 38,476 |
| The 17th Century | 0 | - | 4.38 | 39,852 |
| The 16th Century | 0 | - | 4.68 | 45,959 |
| The 15th Century | 0 | - | 4.30 | 39,053 |
| The 14th Century | 0 | - | 4.41 | 36,973 |
| The 13th Century | 0 | - | 4.35 | 31,265 |
| The 11th and 12th Century | 0 | - | 4.49 | 42,214 |
| Roman Emperors | 0 | - | 4.95 | 78,882 |
| History by Letter - B | 0 | - | 4.53 | 132,080 |
| History by Letter - C | 0 | - | 4.64 | 127,708 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,873 |
| Historical City to Country | 0 | - | 4.81 | 66,451 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,989 |
| Countries in the Ottoman Empire | 0 | - | 4.92 | 50,779 |
| 2014 Year in Review | 0 | - | 4.32 | 27,809 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,895 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.74 | 36,490 |
| 1990s Decade Quiz | 0 | - | 4.03 | 35,073 |
| 2000s Decade Quiz | 0 | - | 4.08 | 76,165 |
| 1980s Decade Quiz | 0 | - | 4.28 | 53,215 |
| 1970s Decade Quiz | 0 | - | 4.14 | 36,500 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 129,075 |
| 1960s Decade Quiz #1 | 0 | - | 4.29 | 36,078 |
| 1960s Decade Quiz #2 | 0 | - | 4.32 | 29,552 |
| 1950s Decade Quiz | 0 | - | 4.24 | 35,914 |
| 1940s Decade Quiz | 0 | - | 4.27 | 37,577 |
| 1930s Decade Quiz | 0 | - | 4.16 | 35,326 |
| 1920s Decade Quiz | 0 | - | 4.33 | 36,015 |
| 1910s Decade Quiz | 0 | - | 4.18 | 37,876 |
| 1900s Decade Quiz | 0 | - | 4.18 | 32,120 |
| 1890s Decade Quiz | 0 | - | 4.15 | 29,446 |
| 1880s Decade Quiz | 0 | - | 4.12 | 29,641 |
| 1870s Decade Quiz | 0 | - | 4.19 | 26,712 |
| 1860s Decade Quiz | 0 | - | 4.21 | 29,371 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,267 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,290 |
| Military History Vocabulary | 0 | - | 4.84 | 52,090 |
| Events in History #4 | 0 | - | 4.42 | 36,192 |
| 2015 Year in Review | 0 | - | 3.90 | 23,484 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 110,978 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 66,098 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,725 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,644 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 112,577 |
| Quiz on the Year 1908 | 0 | - | 4.22 | 9,916 |
| 2016 News Stories - Name the Country | 0 | - | 4.36 | 20,030 |
| 2016 Year in Review | 0 | - | 3.93 | 30,435 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 44,875 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 73,965 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,540 |
| Metals of Antiquity | 0 | - | 4.95 | 63,782 |
| 1850s Decade Quiz | 0 | - | 4.25 | 24,025 |
| 1840s Decade Quiz | 0 | - | 4.20 | 26,546 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,687 |
| The Trojan War | 0 | - | 4.84 | 26,029 |
| Quiz on the Year 1997 | 0 | - | 4.17 | 16,969 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,589 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,373 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,445 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,996 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 99,195 |
| 2017 News Stories - Name the Country | 0 | - | 4.48 | 24,036 |
| 2017 Year in Review | 0 | - | 4.41 | 27,294 |
| Quiz on the Year 1998 | 0 | - | 4.28 | 13,401 |
| 16th Century A-Z | 0 | - | 4.44 | 14,240 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 116,467 |
| 20th Century A-Z | 0 | - | 4.36 | 34,508 |
| 19th Century A-Z | 0 | - | 4.67 | 29,850 |
| 17th Century A-Z | 0 | - | 4.45 | 21,313 |
| 18th Century A-Z | 0 | - | 4.57 | 27,824 |
| 15th Century A-Z | 0 | - | 4.33 | 13,014 |
| 14th Century A-Z | 0 | - | 4.24 | 13,453 |
| Former Flags | 0 | - | 4.96 | 70,776 |
| Former Countries by Territory Map | 0 | - | 4.96 | 75,165 |
| Events in U.S. History | 0 | - | 4.33 | 22,761 |
| The 9th and 10th Century | 0 | - | 4.41 | 25,777 |
| The 7th and 8th Century | 0 | - | 4.32 | 21,058 |
| The 5th and 6th Century | 0 | - | 4.64 | 18,846 |
| The 1st and 2nd Century | 0 | - | 4.57 | 19,506 |
| The 1st and 2nd Century BC | 0 | - | 4.40 | 13,006 |
| The 3rd and 4th Century BC | 0 | - | 4.39 | 11,748 |
| The 5th and 6th Century BC | 0 | - | 4.43 | 10,512 |
| The 7th, 8th, 9th and 10th Century BC | 0 | - | 4.57 | 8,078 |
| Countries of the World in 1900 | 0 | - | 4.87 | 52,584 |
| Empires by Maps | 0 | - | 4.99 | 75,657 |
| Events in Ancient History | 0 | - | 4.43 | 27,461 |
| 2018 News Stories - Name the Country | 0 | - | 4.40 | 19,981 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 40,628 |
| Two Letter Roman Numerals | 0 | - | 4.94 | 28,292 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 147,185 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.82 | 17,033 |
| Louisiana Purchase with a Map | 0 | - | 4.94 | 30,480 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,363 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 73,029 |
| Name a Valid U.S. President #1 | 0 | - | 4.93 | 126,417 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 93,217 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 105,871 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 80,520 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 74,499 |
| Battle to Country | 0 | - | 4.89 | 30,632 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 84,806 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 67,094 |
| Cities by Former Name | 0 | - | 4.82 | 62,758 |
| Countries by Former Name | 0 | - | 4.98 | 82,745 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 58,879 |
| Name a Valid Year in History | 0 | - | 4.97 | 38,257 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 33,157 |
| 2019 Year in Review | 0 | - | 4.38 | 29,000 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.89 | 37,019 |
| MLB Baseball by Year, 1990–present | 0 | - | 3.69 | 7,993 |
| NBA Basketball by Year, 2000–present | 0 | - | 4.13 | 32,691 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 21,052 |
| The 21st Century | 0 | - | 4.44 | 58,674 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 58,820 |
| 2019 News Stories - Name the Country | 0 | - | 4.10 | 15,112 |
| NFL Football by Year, 2000–present | 0 | - | 4.26 | 15,877 |
| Countries by Founding Story | 0 | - | 4.91 | 48,876 |
| 2010s Decade Quiz | 0 | - | 4.55 | 53,559 |
| 1830s Decade Quiz | 0 | - | 4.33 | 18,767 |
| 1820s Decade Quiz | 0 | - | 4.40 | 18,676 |
| 1810s Decade Quiz | 0 | - | 4.44 | 19,054 |
| 1800s Decade Quiz | 0 | - | 4.38 | 19,919 |
| 1790s Decade Quiz | 0 | - | 4.39 | 21,521 |
| 1780s Decade Quiz | 0 | - | 4.09 | 16,457 |
| 1770s Decade Quiz | 0 | - | 3.86 | 17,504 |
| 2020 News Stories - Name the Country | 0 | - | 4.32 | 23,887 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 50,272 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.98 | 98,492 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.84 | 41,252 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.99 | 65,966 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.82 | 32,827 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 52,414 |
| 2020 Year in Review | 0 | - | 4.45 | 23,348 |
| Countries of the World in 1444 | 0 | - | 4.95 | 41,476 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.95 | 46,726 |
| Quiz on the Year 2000 | 0 | - | 4.02 | 16,379 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.95 | 18,216 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 53,061 |
| "Second Best" History Edition | 0 | - | 4.93 | 26,396 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 50,168 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.84 | 35,053 |
| History: What Came First? #1 | 0 | - | 4.81 | 63,028 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 55,130 |
