| Quiz | Points | Best | Rating | Takes |
|---|
| U.S. Presidents Quiz | 0 | - | 4.99 | 2,814,051 |
| U.S. Presidents by Picture | 0 | - | 4.76 | 360,013 |
| Letters of the Greek Alphabet | 0 | - | 4.93 | 522,812 |
| Olympian Gods Quiz | 0 | - | 4.95 | 417,962 |
| English Monarchs Quiz | 0 | - | 4.83 | 398,992 |
| Words for Leaders | 0 | - | 4.70 | 194,924 |
| Communist Countries in History | 0 | - | 4.43 | 401,490 |
| Famous Dictators Quiz #1 | 0 | - | 4.62 | 172,734 |
| Mythical Creatures Quiz #1 | 0 | - | 4.87 | 614,014 |
| Figures from Greek Mythology | 0 | - | 4.84 | 155,973 |
| Roman Numeral Decoding Quiz | 0 | - | 4.80 | 356,443 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 273,521 |
| 2010 Year in Review | 0 | - | 3.94 | 47,434 |
| Commonwealth of Nations Countries | 0 | - | 4.93 | 210,854 |
| Prime Ministers of the UK | 0 | - | 4.91 | 346,184 |
| Biggest US Cities by Decade | 0 | - | 4.94 | 140,641 |
| Ye Olde Professions | 0 | - | 4.60 | 125,236 |
| 2011 Year in Review | 0 | - | 4.15 | 39,875 |
| Name that Greek Letter | 0 | - | 4.90 | 265,285 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 135,338 |
| Countries in World War II | 0 | - | 4.43 | 713,948 |
| Deadliest U.S. Wars | 0 | - | 4.82 | 146,794 |
| Countries in World War I | 0 | - | 4.91 | 191,541 |
| Biggest Nations and Empires Ever | 0 | - | 4.48 | 124,564 |
| NBA Basketball by Year, 1970–1999 | 0 | - | 4.24 | 39,241 |
| Countries Bordering China Since 1914 | 0 | - | 4.91 | 73,770 |
| Countries of the Soviet Union | 0 | - | 4.99 | 154,538 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 95,122 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.48 | 408,513 |
| Independence from Whom | 0 | - | 4.99 | 170,939 |
| Famous Empires in History | 0 | - | 4.82 | 95,331 |
| MLB Baseball by Year, 1960–1989 | 0 | - | 3.98 | 17,749 |
| NFL Football by Year, 1967–1999 | 0 | - | 4.25 | 23,618 |
| Biggest English Cities by Century | 0 | - | 4.92 | 90,238 |
| 2012 Year in Review | 0 | - | 4.03 | 43,957 |
| Who Controlled These Colonies? | 0 | - | 4.80 | 104,113 |
| First Names of U.S. Presidents | 0 | - | 4.84 | 310,557 |
| Most Populous Countries in 1900 | 0 | - | 4.88 | 151,813 |
| Warsaw Pact Countries | 0 | - | 4.88 | 66,702 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 60,916 |
| 2013 Year in Review | 0 | - | 4.30 | 38,193 |
| Music by Year, 1990–2009 | 0 | - | 4.17 | 94,471 |
| Music by Year, 1970–1989 | 0 | - | 4.21 | 36,029 |
| Movies by Year, 1990–2009 | 0 | - | 4.11 | 60,170 |
| Movies by Year, 1970–1989 | 0 | - | 4.23 | 22,528 |
| Current Events by Year, 1990–2009 | 0 | - | 4.74 | 137,406 |
| Current Events by Year, 1970–1989 | 0 | - | 4.45 | 58,234 |
| Current Events by Year, 1950–1969 | 0 | - | 4.28 | 42,485 |
| Current Events by Year, 1930–1949 | 0 | - | 4.43 | 46,946 |
| Current Events by Year, 1910–1929 | 0 | - | 4.28 | 43,602 |
| Figures From the 18th Century | 0 | - | 3.98 | 14,706 |
| Ancient Greek Words | 0 | - | 4.86 | 84,780 |
| Confederate States of the U.S. Civil War | 0 | - | 4.90 | 107,513 |
| The 20th Century | 0 | - | 4.42 | 75,040 |
| The 19th Century | 0 | - | 4.40 | 50,279 |
| The 18th Century | 0 | - | 4.46 | 39,477 |
| The 17th Century | 0 | - | 4.40 | 40,711 |
| The 16th Century | 0 | - | 4.68 | 47,029 |
| The 15th Century | 0 | - | 4.36 | 39,789 |
| The 14th Century | 0 | - | 4.44 | 37,784 |
| The 13th Century | 0 | - | 4.38 | 32,027 |
| The 11th and 12th Century | 0 | - | 4.51 | 43,262 |
| Roman Emperors | 0 | - | 4.95 | 83,446 |
| History by Letter - A | 0 | - | 4.51 | 123,568 |
| History by Letter - B | 0 | - | 4.49 | 140,286 |
| History by Letter - C | 0 | - | 4.70 | 136,194 |
| History by Letter - E | 0 | - | 4.44 | 114,857 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 189,750 |
| History by Letter - J | 0 | - | 4.44 | 126,502 |
| Countries of the Japanese Empire | 0 | - | 4.96 | 79,096 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 61,995 |
| 2014 Year in Review | 0 | - | 4.46 | 28,677 |
| Countries Settled by Vikings | 0 | - | 4.93 | 104,408 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.71 | 36,795 |
| 1990s Decade Quiz | 0 | - | 4.09 | 35,955 |
| 2000s Decade Quiz | 0 | - | 4.08 | 77,661 |
| 1980s Decade Quiz | 0 | - | 4.29 | 54,481 |
| 1970s Decade Quiz | 0 | - | 4.16 | 37,366 |
| Countries that Bordered the USSR | 0 | - | 4.91 | 133,122 |
| 1960s Decade Quiz #1 | 0 | - | 4.27 | 36,893 |
| 1960s Decade Quiz #2 | 0 | - | 4.34 | 30,447 |
| 1950s Decade Quiz | 0 | - | 4.27 | 36,643 |
| 1940s Decade Quiz | 0 | - | 4.29 | 38,376 |
| 1930s Decade Quiz | 0 | - | 4.20 | 35,997 |
| 1920s Decade Quiz | 0 | - | 4.29 | 36,753 |
| 1910s Decade Quiz | 0 | - | 4.16 | 38,584 |
| 1900s Decade Quiz | 0 | - | 4.20 | 32,688 |
| 1890s Decade Quiz | 0 | - | 4.11 | 29,952 |
| 1880s Decade Quiz | 0 | - | 4.14 | 30,133 |
| 1870s Decade Quiz | 0 | - | 4.27 | 27,182 |
| 1860s Decade Quiz | 0 | - | 4.29 | 29,943 |
| Biggest European Cities by Century | 0 | - | 4.96 | 109,715 |
| Former Countries | 0 | - | 4.60 | 116,919 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.93 | 62,921 |
| Military History Vocabulary | 0 | - | 4.89 | 54,351 |
| 2015 Year in Review | 0 | - | 3.96 | 23,939 |
| Neutral European Countries of WWII | 0 | - | 4.93 | 117,180 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 69,335 |
| Countries of Europe After World War II | 0 | - | 4.97 | 152,012 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 120,645 |
| Quiz on the Year 1908 | 0 | - | 4.26 | 10,402 |
| 2016 News Stories - Name the Country | 0 | - | 4.43 | 20,760 |
| 2016 Year in Review | 0 | - | 3.90 | 31,001 |
| Most Recently-Settled Countries | 0 | - | 4.88 | 46,153 |
| Biggest Roman Empire Countries | 0 | - | 4.84 | 76,422 |
| Biggest Mongol Empire Countries | 0 | - | 4.90 | 63,328 |
| Metals of Antiquity | 0 | - | 4.95 | 65,949 |
| 1850s Decade Quiz | 0 | - | 4.31 | 24,562 |
| 1840s Decade Quiz | 0 | - | 4.24 | 27,113 |
| Soviet Union Country Quiz | 0 | - | 4.84 | 59,648 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.97 | 161,376 |
| The Trojan War | 0 | - | 4.85 | 27,381 |
| Quiz on the Year 1997 | 0 | - | 4.25 | 17,515 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 71,036 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.83 | 56,684 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.90 | 62,558 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.90 | 50,005 |
| First Countries to Reach 5 Million People | 0 | - | 4.89 | 102,285 |
| 2017 News Stories - Name the Country | 0 | - | 4.50 | 25,102 |
| 2017 Year in Review | 0 | - | 4.45 | 28,155 |
| Quiz on the Year 1998 | 0 | - | 4.28 | 13,973 |
| 16th Century A-Z | 0 | - | 4.46 | 14,860 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 121,919 |
| 20th Century A-Z | 0 | - | 4.37 | 35,790 |
| 19th Century A-Z | 0 | - | 4.70 | 31,363 |
| 17th Century A-Z | 0 | - | 4.51 | 22,222 |
| 18th Century A-Z | 0 | - | 4.54 | 29,117 |
| 15th Century A-Z | 0 | - | 4.30 | 13,740 |
| 14th Century A-Z | 0 | - | 4.23 | 14,093 |
| Former Flags | 0 | - | 4.97 | 73,974 |
| Former Countries by Territory Map | 0 | - | 4.96 | 78,096 |
| The 9th and 10th Century | 0 | - | 4.47 | 26,537 |
| The 7th and 8th Century | 0 | - | 4.31 | 21,587 |
| The 5th and 6th Century | 0 | - | 4.62 | 19,562 |
| The 1st and 2nd Century | 0 | - | 4.58 | 20,299 |
| The 1st and 2nd Century BC | 0 | - | 4.44 | 13,713 |
| The 3rd and 4th Century BC | 0 | - | 4.41 | 12,309 |
| The 5th and 6th Century BC | 0 | - | 4.36 | 11,161 |
| The 7th, 8th, 9th and 10th Century BC | 0 | - | 4.57 | 8,831 |
| Countries of the World in 1900 | 0 | - | 4.85 | 56,320 |
| Empires by Maps | 0 | - | 4.99 | 80,671 |
| 2018 News Stories - Name the Country | 0 | - | 4.41 | 20,884 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 42,310 |
| Two Letter Roman Numerals | 0 | - | 4.96 | 31,863 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 153,916 |
| Territory Changes in World War I | 0 | - | 4.82 | 36,032 |
| Louisiana Purchase with a Map | 0 | - | 4.94 | 31,918 |
| Countries in the Byzantine Empire | 0 | - | 4.92 | 61,327 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 77,422 |
| Name a Valid U.S. President #1 | 0 | - | 4.95 | 133,668 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 98,684 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 112,378 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 84,225 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 78,827 |
| Battle to Country | 0 | - | 4.86 | 31,873 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 89,124 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 70,340 |
| Countries by Former Name | 0 | - | 4.98 | 86,160 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 62,178 |
| Name a Valid Year in History | 0 | - | 4.95 | 42,838 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 35,356 |
| 2019 Year in Review | 0 | - | 4.41 | 29,997 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.90 | 40,062 |
| MLB Baseball by Year, 1990–present | 0 | - | 3.69 | 8,269 |
| NBA Basketball by Year, 2000–present | 0 | - | 4.07 | 34,678 |
| States of the German Confederation in 1848 | 0 | - | 4.83 | 22,871 |
| The 21st Century | 0 | - | 4.45 | 60,779 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 62,797 |
| 2019 News Stories - Name the Country | 0 | - | 4.10 | 15,706 |
| NFL Football by Year, 2000–present | 0 | - | 4.17 | 20,498 |
| Countries by Founding Story | 0 | - | 4.90 | 50,389 |
| 2010s Decade Quiz | 0 | - | 4.53 | 56,033 |
| 1830s Decade Quiz | 0 | - | 4.33 | 19,385 |
| 1820s Decade Quiz | 0 | - | 4.42 | 19,375 |
| 1810s Decade Quiz | 0 | - | 4.53 | 19,851 |
| 1800s Decade Quiz | 0 | - | 4.40 | 20,634 |
| 1790s Decade Quiz | 0 | - | 4.44 | 22,248 |
| 1780s Decade Quiz | 0 | - | 4.12 | 16,880 |
| 1770s Decade Quiz | 0 | - | 3.87 | 17,915 |
| 2020 News Stories - Name the Country | 0 | - | 4.37 | 24,982 |
| WWI... or WWII? | 0 | - | 4.82 | 105,138 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 53,552 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 106,902 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 69,702 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 55,287 |
| 2020 Year in Review | 0 | - | 4.49 | 24,194 |
| Countries of the World in 1444 | 0 | - | 4.98 | 44,164 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.85 | 15,483 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.96 | 50,421 |
| Quiz on the Year 2000 | 0 | - | 4.02 | 16,913 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.93 | 20,829 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 56,325 |
| "Second Best" History Edition | 0 | - | 4.94 | 28,255 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 53,789 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.91 | 39,263 |
| Countries of Europe before World War II with a Map | 0 | - | 4.91 | 29,322 |
| History: What Came First? #1 | 0 | - | 4.86 | 80,386 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 58,550 |
| Play-Doh Presidents | 0 | - | 5.00 | 65,695 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.98 | 40,336 |
