| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 708,324 |
| Ye Olde Professions | 0 | - | 4.63 | 156,985 |
| Mythical Creatures #2 | 0 | - | 4.05 | 111,930 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,427 |
| Military History Vocabulary | 0 | - | 4.91 | 67,255 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,736 |
| "Second Best" History Edition | 0 | - | 4.94 | 63,339 |
| NBA Basketball by Year, 1970–1999 | 0 | - | 4.28 | 45,033 |
| NBA Basketball by Year, 2000–Present | 0 | - | 4.34 | 61,042 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,644 |
| Words for Government | 0 | - | 4.48 | 76,573 |
| Animal Adjectives | 0 | - | 4.77 | 60,062 |
| Medical Vocabulary | 0 | - | 4.54 | 59,195 |
| Vocabulary Mega-Challenge #1 | 0 | - | 4.64 | 159,270 |
| Vocabulary Mega-Challenge #2 | 0 | - | 4.47 | 63,763 |
| Sports Terms #2 | 0 | - | 4.07 | 51,368 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,948 |
| Science Vocabulary #3 | 0 | - | 4.31 | 52,052 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.75 | 38,197 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,052 |
| Empires by Maps | 0 | - | 4.98 | 120,872 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 53,843 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,459 |
| 2010s Decade Quiz | 0 | - | 4.53 | 103,045 |
| Metals of Antiquity | 0 | - | 4.95 | 93,574 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,832 |
| History: What Came First? #1 | 0 | - | 4.87 | 105,457 |
| History: What Came First? #2 | 0 | - | 4.81 | 79,692 |
| History - Did They Have It? | 0 | - | 4.84 | 61,933 |
| Quiz on the Year 2001 | 0 | - | 4.48 | 24,439 |
| 20th Century A-Z | 0 | - | 4.50 | 53,817 |
| 19th Century A-Z | 0 | - | 4.77 | 47,348 |
| 18th Century A-Z | 0 | - | 4.54 | 43,228 |
| Things Named for Inventors | 0 | - | 4.40 | 72,719 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,379 |
| Elemental Words | 0 | - | 4.97 | 52,366 |
| Name a Valid Word #1 | 0 | - | 4.88 | 119,946 |
| Sports Terms #1 | 0 | - | 3.87 | 168,698 |
| Medical Specialties | 0 | - | 4.32 | 91,855 |
| Three Letter Vocabulary Words | 0 | - | 4.15 | 63,300 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,392 |
| "Ologies" Quiz | 0 | - | 4.34 | 97,263 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 54,060 |
| Influential Women in History | 0 | - | 4.42 | 35,902 |
| Cradles of Civilization | 0 | - | 4.46 | 39,917 |
| Materials From History #1 | 0 | - | 4.56 | 51,749 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,817 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,135 |
| Famous Explorers | 0 | - | 4.58 | 36,225 |
| Famous Empires by Description | 0 | - | 4.73 | 118,615 |
| Answers by Time Period | 0 | - | 4.64 | 55,672 |
| 1970s Decade Quiz | 0 | - | 4.20 | 53,391 |
| 2000s Decade Quiz | 0 | - | 4.23 | 122,331 |
| 1980s Decade Quiz | 0 | - | 4.37 | 85,088 |
| 1850s Decade Quiz | 0 | - | 4.42 | 35,291 |
| 1790s Decade Quiz | 0 | - | 4.55 | 33,733 |
| 1800s Decade Quiz | 0 | - | 4.47 | 32,010 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,320 |
| Dumb it Down Doc | 0 | - | 4.13 | 65,016 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,042 |
| Trace the Route of Ibn Battuta on a Map | 0 | - | 4.99 | 22,652 |
| Quiz on the Year 1997 | 0 | - | 4.40 | 21,109 |
| Quiz on the Year 1998 | 0 | - | 4.33 | 17,371 |
| Quiz on the Year 2000 | 0 | - | 4.08 | 21,315 |
| 16th Century A-Z | 0 | - | 4.58 | 24,938 |
| 15th Century A-Z | 0 | - | 4.49 | 23,957 |
| 14th Century A-Z | 0 | - | 4.41 | 24,420 |
| 17th Century A-Z | 0 | - | 4.78 | 34,674 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,096 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,436 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,506 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,771 |
| U.S. TV Show Vocabulary Quiz | 0 | - | 4.15 | 23,444 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,455 |
| Religion Vocabulary | 0 | - | 4.14 | 30,186 |
| Rock Band Vocabulary | 0 | - | 3.98 | 46,154 |
| First Name Vocabulary #1 | 0 | - | 3.85 | 48,626 |
| First Name Vocabulary #2 | 0 | - | 3.94 | 36,835 |
| Animal Group Names | 0 | - | 4.07 | 23,223 |
| Six Letter Vocabulary Chain | 0 | - | 4.19 | 12,964 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,789 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,964 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,669 |
| Former Flags | 0 | - | 4.97 | 107,927 |
| Years in History by Picture | 0 | - | 4.44 | 35,592 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,673 |
| Materials From History #2 | 0 | - | 4.59 | 31,530 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,155 |
| Historic Orient Express Routes Map | 0 | - | 5.00 | 53,574 |
| People Who Have Been Considered Gods | 0 | - | 4.49 | 24,425 |
| All World Leaders 2026 | 0 | - | 4.94 | 20,447 |
| Cold War Decoder | 0 | - | 4.83 | 52,435 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,437 |
| Events in History #2 | 0 | - | 4.49 | 71,796 |
| Events in History #3 | 0 | - | 4.41 | 71,753 |
| Events in History #4 | 0 | - | 4.44 | 44,355 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 49,054 |
| Assassinations in History | 0 | - | 4.21 | 66,260 |
| Famous Seconds | 0 | - | 4.22 | 46,611 |
| Ages and Eras | 0 | - | 4.39 | 67,784 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,505 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,836 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,220 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 76,046 |
| Female Historical Figures | 0 | - | 4.28 | 33,275 |
| Historical Blunders | 0 | - | 4.34 | 92,521 |
| Territorial Accessions | 0 | - | 4.34 | 34,832 |
| People Known as "The Great" | 0 | - | 4.46 | 24,713 |
| This Day in History - July | 0 | - | 4.49 | 36,471 |
| This Day in History - August | 0 | - | 4.42 | 43,368 |
| This Day in History - September | 0 | - | 4.55 | 57,475 |
| This Day in History - October | 0 | - | 4.49 | 37,643 |
| This Day in History - January | 0 | - | 4.47 | 46,738 |
| This Day in History - March | 0 | - | 4.45 | 43,688 |
| Ancient Civilizations | 0 | - | 4.64 | 38,004 |
| MLB Baseball by Year, 1960–1989 | 0 | - | 4.09 | 18,695 |
| NFL Football by Year, 1967–1999 | 0 | - | 4.34 | 25,483 |
| MLB Baseball by Year, 1990–present | 0 | - | 4.02 | 15,031 |
| 1900s Decade Quiz | 0 | - | 4.18 | 44,308 |
| 1860s Decade Quiz | 0 | - | 4.31 | 40,416 |
| 1880s Decade Quiz | 0 | - | 4.25 | 39,464 |
| 1890s Decade Quiz | 0 | - | 4.25 | 39,873 |
| 1990s Decade Quiz | 0 | - | 4.00 | 62,432 |
| 1870s Decade Quiz | 0 | - | 4.28 | 36,676 |
| 1840s Decade Quiz | 0 | - | 4.31 | 37,696 |
| 1810s Decade Quiz | 0 | - | 4.58 | 31,023 |
| 1820s Decade Quiz | 0 | - | 4.54 | 29,893 |
| 1830s Decade Quiz | 0 | - | 4.42 | 29,257 |
| The Places They Went #1 | 0 | - | 4.74 | 33,545 |
| Famous Inventors | 0 | - | 4.44 | 43,558 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,012 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,557 |
| Countries Visited by Christopher Columbus | 0 | - | 4.85 | 22,035 |
| European History for Dummies | 0 | - | 4.83 | 90,045 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,014,569 |
| Jewish Words | 0 | - | 4.15 | 31,232 |
| Sports Terms Quiz #3 | 0 | - | 3.46 | 13,052 |
| Horse Vocabulary | 0 | - | 4.23 | 22,756 |
| Japanese Loanwords | 0 | - | 4.47 | 84,681 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,908 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,358 |
| The Places They Went #3 | 0 | - | 4.63 | 13,756 |
| History Analogies #1 | 0 | - | 4.53 | 90,029 |
| History Analogies #2 | 0 | - | 4.49 | 77,281 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,681 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 65,213 |
| Current Events by Year, 1930–1949 | 0 | - | 4.47 | 52,131 |
| Groups of Things - History #1 | 0 | - | 4.41 | 94,191 |
| History Analogies #3 | 0 | - | 4.61 | 80,715 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,559 |
| Which Came First? | 0 | - | 4.37 | 74,865 |
| Random History by Country | 0 | - | 4.53 | 34,891 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,954 |
| Animals in World History | 0 | - | 4.74 | 44,558 |
| People - Real or Fictional? | 0 | - | 4.56 | 58,919 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,640 |
| History True or False #3 | 0 | - | 4.43 | 56,986 |
| A to Z: Legendary Creatures | 0 | - | 4.26 | 53,115 |
| Cold War Trivia #1 | 0 | - | 4.42 | 57,376 |
| History of Nuclear Weapons | 0 | - | 4.56 | 42,416 |
| Events in History #1 | 0 | - | 4.34 | 157,854 |
| Events in Ancient History | 0 | - | 4.50 | 36,039 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,694 |
| Deaths by Date and Cause #1 | 0 | - | 4.38 | 95,331 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 67,819 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,183 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,519 |
| This Day in History - April | 0 | - | 4.40 | 44,475 |
| This Day in History - May | 0 | - | 4.33 | 48,401 |
| This Day in History - June | 0 | - | 4.32 | 33,509 |
| This Day in History - November | 0 | - | 4.24 | 33,615 |
| This Day in History - December | 0 | - | 4.32 | 40,545 |
| This Day in History - February | 0 | - | 4.38 | 39,810 |
| Quiz on the Year 1908 | 0 | - | 4.25 | 12,944 |
| The 19th Century | 0 | - | 4.53 | 68,179 |
| The 18th Century | 0 | - | 4.53 | 53,344 |
| The 16th Century | 0 | - | 4.77 | 58,913 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,714 |
| The 21st Century | 0 | - | 4.47 | 106,113 |
| History Multiple Choice #1 | 0 | - | 4.41 | 82,050 |
| Years in History #2 - Multiple Choice | 0 | - | 4.42 | 41,694 |
| History Multiple Choice #2 | 0 | - | 4.43 | 50,086 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,785 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,504 |
| Three Real and One Fake - World History | 0 | - | 4.44 | 38,422 |
| Trace the Route of Marco Polo on a Map | 0 | - | 5.00 | 42,386 |
| Dark Ages History | 0 | - | 4.42 | 32,778 |
| 30 Historical People You Probably Don't Know | 0 | - | 4.36 | 61,085 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,018 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 78,291 |
| Name a Valid Word #2 | 0 | - | 4.49 | 82,444 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 21,202 |
| Rhyming Vocabulary #1 | 0 | - | 3.86 | 9,468 |
| Five Letter Vocabulary Chain | 0 | - | 3.78 | 19,772 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 196,085 |
| Video Games by Synonyms | 0 | - | 4.50 | 65,154 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 62,096 |
| History Multiple Choice #6 | 0 | - | 4.46 | 18,138 |
| The 7th, 8th, 9th and 10th Century BC | 0 | - | 4.67 | 17,852 |
| History General Knowledge #13 | 0 | - | 4.69 | 49,544 |
