| Famous Dictators #1 | 0 | - | 4.69 | 199,214 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,281 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,269 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,297 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,130 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,314 |
| Historical Rulers #1 | 0 | - | 4.35 | 118,672 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 109,813 |
| Words for Leaders | 0 | - | 4.77 | 256,130 |
| Prime Ministers of the UK | 0 | - | 4.96 | 436,697 |
| World Leaders Quiz #2 | 0 | - | 4.00 | 35,752 |
| UN Secretaries-General | 0 | - | 4.40 | 7,778 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,578 |
| NATO Countries | 0 | - | 4.98 | 278,169 |
| EU Countries Quiz | 0 | - | 4.99 | 271,707 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,616 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,206 |
| Military History Vocabulary | 0 | - | 4.91 | 66,873 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,848 |
| Political Figures by Last Name #1 | 0 | - | 4.55 | 67,686 |
| World Leaders of the World Wars | 0 | - | 4.35 | 37,754 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.20 | 48,345 |
| World Leaders by Picture | 0 | - | 4.36 | 264,315 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,287 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,798 |
| Name the English Monarchs | 0 | - | 4.92 | 500,164 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,686 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,413 |
| Dictators by Picture | 0 | - | 4.18 | 49,006 |
| WWII Geography | 0 | - | 4.81 | 119,891 |
| WWII Figures by Picture | 0 | - | 4.89 | 64,105 |
| All OPEC Countries Ever | 0 | - | 4.78 | 88,473 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,177 |
| Empires by Maps | 0 | - | 4.98 | 119,378 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,464 |
| Political Quotes | 0 | - | 4.17 | 19,847 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,237 |
| Spouses of World Leaders | 0 | - | 4.18 | 12,305 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 24,921 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.48 | 15,804 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,855 |
| Metals of Antiquity | 0 | - | 4.94 | 93,149 |
| Popular Royal Names | 0 | - | 4.27 | 124,729 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,437 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,817 |
| History - Did They Have It? | 0 | - | 4.84 | 61,499 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,029 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,594 |
| Countries of the Popes | 0 | - | 4.79 | 127,618 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 705,827 |
| First Names of Painters | 0 | - | 4.43 | 59,736 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,048 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,764 |
| Influential Women in History | 0 | - | 4.42 | 35,306 |
| Cradles of Civilization | 0 | - | 4.46 | 39,382 |
| History of The Netherlands | 0 | - | 4.46 | 17,364 |
| Materials From History #1 | 0 | - | 4.56 | 51,341 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,387 |
| Trace the Route of Ibn Battuta on a Map | 0 | - | 4.99 | 22,497 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,626 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 93,794 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,540 |
| Famous Explorers | 0 | - | 4.58 | 36,053 |
| Famous Empires by Description | 0 | - | 4.73 | 118,171 |
| Answers by Time Period | 0 | - | 4.64 | 55,426 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 40,858 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,119 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,437 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 270,476 |
| Countries with NO Military | 0 | - | 4.97 | 61,630 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,469 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,196 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,067 |
| 7 Deadly Sins | 0 | - | 4.88 | 397,761 |
| Books of the Protestant Bible | 0 | - | 4.89 | 208,709 |
| Majority Muslim Countries | 0 | - | 4.98 | 371,937 |
| Former Flags | 0 | - | 4.97 | 107,187 |
| Years in History by Picture | 0 | - | 4.44 | 35,319 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,082 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,430 |
| Materials From History #2 | 0 | - | 4.59 | 31,401 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,762 |
| Historic Orient Express Routes Map | 0 | - | 4.99 | 53,257 |
| People Who Have Been Considered Gods | 0 | - | 4.48 | 24,305 |
| Political Figures by Last Name #2 | 0 | - | 3.88 | 16,660 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,383 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,718 |
| WWII First Names | 0 | - | 4.44 | 41,679 |
| WWII Decoder | 0 | - | 4.41 | 53,357 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,142 |
| WWII for Dummies | 0 | - | 4.80 | 104,398 |
| Cold War Decoder | 0 | - | 4.83 | 52,121 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,357 |
| Events in History #2 | 0 | - | 4.49 | 71,564 |
| Events in History #4 | 0 | - | 4.44 | 44,204 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,792 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,904 |
| Assassinations in History | 0 | - | 4.21 | 66,089 |
| Famous Seconds | 0 | - | 4.22 | 46,497 |
| Ages and Eras | 0 | - | 4.38 | 67,583 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,448 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,707 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,104 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,908 |
| Female Historical Figures | 0 | - | 4.27 | 33,183 |
| Historical Blunders | 0 | - | 4.34 | 91,819 |
| Territorial Accessions | 0 | - | 4.39 | 34,709 |
| People Known as "The Great" | 0 | - | 4.46 | 24,594 |
| This Day in History - July | 0 | - | 4.49 | 36,415 |
| This Day in History - August | 0 | - | 4.42 | 43,309 |
| This Day in History - September | 0 | - | 4.55 | 57,348 |
| This Day in History - October | 0 | - | 4.49 | 37,584 |
| This Day in History - January | 0 | - | 4.50 | 46,636 |
| This Day in History - March | 0 | - | 4.45 | 43,590 |
| Ancient Civilizations | 0 | - | 4.64 | 37,848 |
| The Places They Went #1 | 0 | - | 4.74 | 33,480 |
| Famous Inventors | 0 | - | 4.43 | 43,495 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,682 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.91 | 28,393 |
| European History for Dummies | 0 | - | 4.83 | 89,594 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,690 |
| British History A-Z #1 | 0 | - | 4.45 | 46,305 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,472 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,012,320 |
| U.S. States by Governor | 0 | - | 4.43 | 18,016 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,624 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,265 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,606 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,130 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,787 |
| Coldest World Capitals | 0 | - | 4.95 | 133,221 |
| World Currency Quiz | 0 | - | 4.92 | 300,610 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,987 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,778 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,118 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,454 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,116 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,314 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,537 |
| Buddhist Countries | 0 | - | 4.96 | 143,417 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,093,915 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,726 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,759 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,211 |
| History Analogies #1 | 0 | - | 4.53 | 89,864 |
| History Analogies #2 | 0 | - | 4.49 | 77,104 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,353 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 65,062 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 51,993 |
| History Analogies #3 | 0 | - | 4.61 | 80,547 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,297 |
| Which Came First? | 0 | - | 4.37 | 74,613 |
| Random History by Country | 0 | - | 4.53 | 34,741 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,719 |
| Animals in World History | 0 | - | 4.74 | 44,351 |
| People - Real or Fictional? | 0 | - | 4.56 | 58,640 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,470 |
| History True or False #3 | 0 | - | 4.43 | 56,586 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,877 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,394 |
| The Dictator Files: Fidel Castro | 0 | - | 4.19 | 12,287 |
| Pope Facts | 0 | - | 4.39 | 31,136 |
| A to Z: Legendary Creatures | 0 | - | 4.26 | 52,889 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,268 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,483 |
| Cold War Trivia #1 | 0 | - | 4.41 | 57,115 |
| Events in History #3 | 0 | - | 4.40 | 71,566 |
| Events in History #1 | 0 | - | 4.34 | 157,493 |
| Events in Ancient History | 0 | - | 4.50 | 35,845 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,609 |
| Deaths by Date and Cause #1 | 0 | - | 4.38 | 95,046 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 67,633 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,824 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,178 |
| This Day in History - April | 0 | - | 4.40 | 44,430 |
| This Day in History - May | 0 | - | 4.33 | 48,307 |
| This Day in History - June | 0 | - | 4.32 | 33,470 |
| This Day in History - November | 0 | - | 4.24 | 33,574 |
| This Day in History - December | 0 | - | 4.32 | 40,493 |
| This Day in History - February | 0 | - | 4.38 | 39,743 |
| The 19th Century | 0 | - | 4.53 | 67,978 |
| The 18th Century | 0 | - | 4.52 | 53,188 |
| The 16th Century | 0 | - | 4.77 | 58,798 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,598 |
| The 21st Century | 0 | - | 4.48 | 105,588 |
| Battle to Country | 0 | - | 4.91 | 52,935 |
| The Life of King David | 0 | - | 4.37 | 14,099 |
| History Multiple Choice #1 | 0 | - | 4.46 | 81,740 |
| Years in History #2 - Multiple Choice | 0 | - | 4.43 | 41,545 |
| History Multiple Choice #2 | 0 | - | 4.43 | 49,941 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,652 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,375 |
| Three Real and One Fake - World History | 0 | - | 4.44 | 38,291 |
| Trace the Route of Marco Polo on a Map | 0 | - | 5.00 | 42,114 |
| English Royal Consorts | 0 | - | 4.37 | 37,274 |
| Kings of France Quiz | 0 | - | 4.20 | 32,632 |
| Dark Ages History | 0 | - | 4.42 | 32,715 |
| German History A-Z | 0 | - | 4.49 | 24,520 |
| 30 Historical People You Probably Don't Know | 0 | - | 4.36 | 60,912 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,542 |
