| Metals of Antiquity | 0 | - | 4.94 | 84,712 |
| "Second Best" History Edition | 0 | - | 4.94 | 45,147 |
| Famous Empires in History | 0 | - | 4.82 | 101,746 |
| Former Countries by Territory Map | 0 | - | 4.96 | 84,626 |
| Empires by Maps | 0 | - | 4.98 | 92,369 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 45,659 |
| Cradles of Civilization | 0 | - | 4.41 | 31,709 |
| Materials From History #1 | 0 | - | 4.57 | 34,320 |
| Biggest Nations and Empires Ever | 0 | - | 4.55 | 132,477 |
| Famous Explorers | 0 | - | 4.70 | 32,420 |
| Answers by Time Period | 0 | - | 4.49 | 42,305 |
| Territorial Accessions | 0 | - | 4.44 | 32,038 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 39,287 |
| History: What Came First? #1 | 0 | - | 4.85 | 90,023 |
| Albert Einstein Quiz | 0 | - | 4.54 | 17,234 |
| The Diseases They Had | 0 | - | 4.13 | 13,048 |
| Years in History #1 - Multiple Choice | 0 | - | 4.83 | 62,344 |
| Animal Anatomy Quiz | 0 | - | 4.38 | 57,708 |
| Organs of the Human Body (with map) | 0 | - | 4.12 | 104,816 |
| Mythical Creatures Quiz #1 | 0 | - | 4.91 | 651,166 |
| Influential Women in History | 0 | - | 4.46 | 30,290 |
| Materials From History #2 | 0 | - | 4.56 | 23,925 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.17 | 46,320 |
| Assassinations in History Quiz | 0 | - | 4.15 | 62,894 |
| Famous Seconds Quiz | 0 | - | 4.21 | 44,496 |
| Ages and Eras Quiz | 0 | - | 4.33 | 64,257 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.21 | 38,265 |
| Titled People Quiz #1 | 0 | - | 4.13 | 43,776 |
| Titled People Quiz #3 | 0 | - | 4.32 | 41,214 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 73,354 |
| Historical Blunders | 0 | - | 4.32 | 85,800 |
| Historical Events - AD or BC? | 0 | - | 4.75 | 51,679 |
| 20th Century Dates Quiz | 0 | - | 4.52 | 37,795 |
| Events in History #2 | 0 | - | 4.47 | 66,408 |
| Events in History #4 | 0 | - | 4.43 | 40,668 |
| This Day in History - April | 0 | - | 4.42 | 43,200 |
| This Day in History - July | 0 | - | 4.48 | 34,937 |
| This Day in History - August | 0 | - | 4.41 | 41,611 |
| This Day in History - September | 0 | - | 4.54 | 54,579 |
| This Day in History - October | 0 | - | 4.49 | 36,167 |
| This Day in History - January | 0 | - | 4.53 | 44,175 |
| This Day in History - February | 0 | - | 4.41 | 38,245 |
| This Day in History - March | 0 | - | 4.44 | 41,745 |
| The 7 Wonders of the Ancient World | 0 | - | 4.79 | 65,486 |
| Ancient Civilizations | 0 | - | 4.55 | 34,403 |
| The Places They Went #1 | 0 | - | 4.76 | 32,279 |
| Famous Inventors | 0 | - | 4.44 | 42,335 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.14 | 933,647 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 94,678 |
| Former Flags | 0 | - | 4.98 | 80,544 |
| Christopher Columbus Quiz | 0 | - | 4.10 | 7,664 |
| Name a Valid Year in History | 0 | - | 4.92 | 51,654 |
| Born Here on This Date #1 | 0 | - | 3.92 | 34,494 |
| Titled People Quiz #2 | 0 | - | 4.34 | 25,418 |
| Job Titles Quiz #2 | 0 | - | 3.55 | 36,171 |
| Famous Ships Quiz | 0 | - | 4.21 | 28,128 |
| Short Historical Figures | 0 | - | 4.27 | 7,666 |
| Famous Alliances | 0 | - | 4.15 | 8,068 |
| Coups | 0 | - | 4.37 | 26,386 |
| Famous Documents | 0 | - | 4.05 | 20,963 |
| Female Historical Figures | 0 | - | 4.29 | 31,217 |
| Legendary Deeds | 0 | - | 4.14 | 28,096 |
| Disasters in History | 0 | - | 4.39 | 23,855 |
| Executions in History | 0 | - | 4.26 | 16,232 |
| Famous Adulterers | 0 | - | 4.14 | 9,698 |
| People Known as "The Great" | 0 | - | 4.40 | 22,828 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.92 | 47,792 |
| Countries with the Most Forest | 0 | - | 4.89 | 135,778 |
| Countries with Glaciers | 0 | - | 4.98 | 89,020 |
| History Analogies #1 | 0 | - | 4.46 | 75,715 |
| History Analogies #2 | 0 | - | 4.51 | 64,140 |
| Current Events by Year, 1990–2009 | 0 | - | 4.76 | 143,582 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 61,206 |
| Current Events by Year, 1930–1949 | 0 | - | 4.47 | 49,318 |
| History Analogies #3 | 0 | - | 4.54 | 66,327 |
| People Born on Islands | 0 | - | 4.42 | 39,856 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.71 | 53,411 |
| Which Came First? | 0 | - | 4.34 | 68,627 |
| Years in History by Picture | 0 | - | 4.43 | 29,658 |
| Valid Answer - World History #1 | 0 | - | 4.59 | 42,291 |
| History True or False #3 | 0 | - | 4.53 | 36,247 |
| A to Z: Legendary Creatures | 0 | - | 4.30 | 47,913 |
| Events in History #3 | 0 | - | 4.35 | 67,259 |
| Events in History #1 | 0 | - | 4.31 | 148,747 |
| Events in Ancient History | 0 | - | 4.49 | 31,702 |
| People Who Died Young #1 | 0 | - | 4.23 | 61,645 |
| Deaths by Date and Cause #1 | 0 | - | 4.38 | 77,253 |
| Deaths by Date and Cause #2 | 0 | - | 4.03 | 50,038 |
| Famous Firsts #1 | 0 | - | 4.42 | 65,547 |
| Time Magazine Person of the Year | 0 | - | 4.52 | 65,545 |
| Invasions | 0 | - | 4.70 | 88,650 |
| This Day in History - May | 0 | - | 4.30 | 46,718 |
| This Day in History - June | 0 | - | 4.34 | 32,518 |
| This Day in History - November | 0 | - | 4.23 | 32,477 |
| This Day in History - December | 0 | - | 4.29 | 38,950 |
| The 19th Century | 0 | - | 4.47 | 52,535 |
| The 18th Century | 0 | - | 4.48 | 41,503 |
| The 16th Century | 0 | - | 4.71 | 48,865 |
| The 21st Century | 0 | - | 4.52 | 73,240 |
| History Multiple Choice #1 | 0 | - | 4.43 | 75,310 |
| History Multiple Choice #2 | 0 | - | 4.42 | 46,507 |
| History Multiple Choice #4 | 0 | - | 4.41 | 46,850 |
| History Multiple Choice #3 | 0 | - | 4.45 | 45,496 |
| 30 Historical People You Probably Don't Know | 0 | - | 4.38 | 55,235 |
| The 2nd Millennium BC | 0 | - | 4.58 | 11,453 |
| Most Common Elements in the Human Body | 0 | - | 4.72 | 138,714 |
| States of the German Confederation in 1848 | 0 | - | 4.83 | 26,032 |
| Words for Leaders | 0 | - | 4.81 | 213,833 |
| 19th Century A-Z | 0 | - | 4.82 | 33,994 |
| Military History Vocabulary | 0 | - | 4.92 | 59,469 |
| Current Events by Year, 1950–1969 | 0 | - | 4.37 | 44,209 |
| Current Events by Year, 1910–1929 | 0 | - | 4.28 | 45,290 |
| Groups of Things - History #1 | 0 | - | 4.37 | 85,778 |
| Groups of Things - History #2 | 0 | - | 4.39 | 74,244 |
| History Analogies #4 | 0 | - | 4.16 | 50,447 |
| History Groups of Two | 0 | - | 4.31 | 37,755 |
| 4-Letter History Chain #1 | 0 | - | 4.43 | 70,764 |
| 5-Letter History Chain #3 | 0 | - | 4.48 | 49,898 |
| 6-Letter History Chain #2 | 0 | - | 4.53 | 50,097 |
| 5-Letter History Chain #1 | 0 | - | 4.53 | 82,313 |
| Name a Valid Answer - World History #2 | 0 | - | 4.38 | 37,286 |
| Wolfcam's Random History General Knowledge | 0 | - | 4.43 | 19,481 |
| Empires A-Z | 0 | - | 4.47 | 39,334 |
| Random History by Country | 0 | - | 4.53 | 31,198 |
| World History Quiz for Dummies | 0 | - | 4.55 | 87,982 |
| G7 Leaders Since 2003 | 0 | - | 4.46 | 38,114 |
| People Depicted in Paintings | 0 | - | 4.55 | 40,804 |
| The 20th Century | 0 | - | 4.48 | 78,298 |
| The Events of 9/11 | 0 | - | 4.28 | 27,143 |
| Normandy D-Day Beaches | 0 | - | 4.82 | 36,269 |
| Territory Changes in World War I | 0 | - | 4.87 | 39,716 |
| Cold War Trivia #1 | 0 | - | 4.37 | 53,581 |
| Famous Battles Quiz | 0 | - | 4.24 | 46,493 |
| Name the War Quiz | 0 | - | 4.39 | 188,961 |
| Famous Founders | 0 | - | 3.85 | 25,615 |
| People Who Were "The" Something | 0 | - | 4.22 | 128,358 |
| Famous U.S. Generals | 0 | - | 4.24 | 36,866 |
| Religions by Country of Origin Quiz | 0 | - | 4.28 | 72,227 |
| Quotes from Historical Figures #1 | 0 | - | 4.51 | 81,786 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.47 | 438,967 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.41 | 639,178 |
| Famous Families #1 | 0 | - | 4.25 | 78,854 |
| Born Here on This Date #2 | 0 | - | 3.80 | 20,604 |
| Names for Warriors | 0 | - | 4.39 | 34,423 |
| People Who Died Young #2 | 0 | - | 4.11 | 29,661 |
| First Names of Historical Figures #2 | 0 | - | 4.37 | 34,615 |
| Famous Immigrants and Exiles | 0 | - | 4.51 | 19,623 |
| Famous Firsts #2 | 0 | - | 4.01 | 78,443 |
| First Names of Historical Figures #1 | 0 | - | 4.40 | 214,901 |
| Quiz on the Year 1908 | 0 | - | 4.26 | 11,215 |
| 2017 Year in Review | 0 | - | 4.45 | 29,829 |
| The 9th and 10th Century | 0 | - | 4.47 | 27,972 |
| The 1st and 2nd Century | 0 | - | 4.54 | 21,673 |
| The 5th and 6th Century | 0 | - | 4.72 | 20,788 |
| History by Letter - A | 0 | - | 4.50 | 137,124 |
| History by Letter - B | 0 | - | 4.50 | 154,414 |
| History by Letter - C | 0 | - | 4.76 | 151,808 |
| History by Letter - E | 0 | - | 4.50 | 125,979 |
| History by Letter - G | 0 | - | 4.51 | 109,349 |
| History by Letter - H | 0 | - | 4.42 | 122,013 |
| History by Letter - J | 0 | - | 4.49 | 138,440 |
| History by Letter - N | 0 | - | 4.47 | 93,020 |
| History by Letter - S | 0 | - | 4.46 | 83,819 |
| History by Letter - W | 0 | - | 4.44 | 97,113 |
| History by Letter - M | 0 | - | 4.55 | 107,846 |
| History by Letter - K | 0 | - | 4.48 | 91,173 |
| History by Letter - L | 0 | - | 4.47 | 100,964 |
| History by Letter - I | 0 | - | 4.51 | 93,991 |
| History General Knowledge #1 | 0 | - | 4.50 | 98,055 |
| History General Knowledge #3 | 0 | - | 4.53 | 75,163 |
| History General Knowledge #6 | 0 | - | 4.43 | 69,630 |
| History General Knowledge #10 | 0 | - | 4.44 | 61,542 |
| History General Knowledge #11 | 0 | - | 4.42 | 52,338 |
| The Places They Went #2 | 0 | - | 4.27 | 15,562 |
| History by Picture - A | 0 | - | 4.22 | 40,036 |
| History by Picture - B | 0 | - | 4.35 | 42,700 |
| History by Picture - C | 0 | - | 4.34 | 47,752 |
| History by Picture - F | 0 | - | 4.31 | 32,826 |
| History by Picture - G | 0 | - | 4.39 | 37,021 |
| History by Picture - D | 0 | - | 4.31 | 38,681 |
| History by Picture - E | 0 | - | 4.26 | 38,570 |
| History by Picture - H | 0 | - | 4.37 | 31,965 |
| History by Picture - M | 0 | - | 4.22 | 31,893 |
| History by Picture - N | 0 | - | 4.38 | 36,101 |
| History by Picture - O | 0 | - | 4.36 | 31,747 |
| Years in History #2 - Multiple Choice | 0 | - | 4.38 | 38,171 |
| History True or False #1 | 0 | - | 4.47 | 66,050 |
| History Multiple Choice #5 | 0 | - | 4.49 | 29,700 |
| Dark Ages History | 0 | - | 4.43 | 31,507 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 292,005 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 245,787 |
| Musicians Who Died Young | 0 | - | 4.38 | 94,130 |
| The 7th, 8th, 9th and 10th Century BC | 0 | - | 4.60 | 10,105 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.45 | 26,888 |
| Animals by Skeleton Image | 0 | - | 4.79 | 37,743 |
| Elements by Picture | 0 | - | 4.29 | 62,930 |
| Name the Constellations - With a Map | 0 | - | 4.90 | 30,884 |
| Countries with the Most HIV | 0 | - | 4.50 | 42,637 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 31,659 |
| Countries that Desalinate the Most Water | 0 | - | 4.79 | 36,300 |
