| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,361 |
| Famous Dictators #1 | 0 | - | 4.69 | 199,439 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,348 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,173 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,377 |
| Historical Rulers #1 | 0 | - | 4.35 | 118,758 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 109,916 |
| Words for Leaders | 0 | - | 4.77 | 256,754 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,370 |
| World Leaders Quiz #2 | 0 | - | 4.00 | 35,804 |
| UN Secretaries-General | 0 | - | 4.40 | 7,784 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,593 |
| NATO Countries | 0 | - | 4.98 | 279,193 |
| EU Countries Quiz | 0 | - | 4.99 | 272,817 |
| Prime Ministers of the UK | 0 | - | 4.95 | 437,761 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,748 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,243 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,765 |
| Military History Vocabulary | 0 | - | 4.91 | 67,022 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,152 |
| Political Figures by Last Name #1 | 0 | - | 4.55 | 67,835 |
| World Leaders by Picture | 0 | - | 4.36 | 264,813 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,422 |
| World Leaders of the World Wars | 0 | - | 4.35 | 37,799 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,845 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.20 | 48,619 |
| All OPEC Countries Ever | 0 | - | 4.77 | 90,661 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,795 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,523 |
| Empires by Maps | 0 | - | 4.98 | 119,935 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,600 |
| WWII Geography | 0 | - | 4.81 | 120,109 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,097 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,321 |
| Name the English Monarchs | 0 | - | 4.91 | 501,417 |
| Dictators by Picture | 0 | - | 4.18 | 49,080 |
| Political Quotes | 0 | - | 4.17 | 19,871 |
| Influential Women in History | 0 | - | 4.42 | 35,496 |
| Metals of Antiquity | 0 | - | 4.94 | 93,296 |
| Cradles of Civilization | 0 | - | 4.46 | 39,547 |
| Materials From History #1 | 0 | - | 4.56 | 51,475 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,577 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,531 |
| History: What Came First? #1 | 0 | - | 4.87 | 105,056 |
| Spouses of World Leaders | 0 | - | 4.18 | 12,313 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 24,959 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.48 | 15,831 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 706,595 |
| Biggest Nations and Empires Ever | 0 | - | 4.52 | 145,725 |
| Famous Explorers | 0 | - | 4.58 | 36,117 |
| Famous Empires by Description | 0 | - | 4.73 | 118,318 |
| Answers by Time Period | 0 | - | 4.63 | 55,513 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,180 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,914 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,869 |
| Popular Royal Names | 0 | - | 4.27 | 124,844 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,049 |
| First Names of Painters | 0 | - | 4.43 | 59,797 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 40,942 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,226 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,380 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 271,804 |
| Countries with NO Military | 0 | - | 4.97 | 61,931 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,948 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,380 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,685 |
| Books of the Protestant Bible | 0 | - | 4.89 | 209,382 |
| Years in History by Picture | 0 | - | 4.44 | 35,434 |
| History of The Netherlands | 0 | - | 4.46 | 17,405 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,513 |
| Materials From History #2 | 0 | - | 4.59 | 31,452 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,646 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,891 |
| Countries of the Popes | 0 | - | 4.79 | 127,856 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,385 |
| Events in History #2 | 0 | - | 4.49 | 71,636 |
| Events in History #4 | 0 | - | 4.44 | 44,261 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,956 |
| Assassinations in History | 0 | - | 4.21 | 66,151 |
| Famous Seconds | 0 | - | 4.22 | 46,545 |
| Ages and Eras | 0 | - | 4.39 | 67,647 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,471 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,760 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,143 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,956 |
| Female Historical Figures | 0 | - | 4.28 | 33,222 |
| Historical Blunders | 0 | - | 4.34 | 91,887 |
| Territorial Accessions | 0 | - | 4.36 | 34,760 |
| People Known as "The Great" | 0 | - | 4.46 | 24,634 |
| This Day in History - July | 0 | - | 4.49 | 36,435 |
| This Day in History - August | 0 | - | 4.42 | 43,334 |
| This Day in History - September | 0 | - | 4.55 | 57,397 |
| This Day in History - October | 0 | - | 4.49 | 37,605 |
| This Day in History - January | 0 | - | 4.50 | 46,676 |
| This Day in History - March | 0 | - | 4.45 | 43,634 |
| Ancient Civilizations | 0 | - | 4.64 | 37,916 |
| The Places They Went #1 | 0 | - | 4.74 | 33,506 |
| Famous Inventors | 0 | - | 4.44 | 43,522 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,013,110 |
| 7 Deadly Sins | 0 | - | 4.88 | 399,056 |
| Majority Muslim Countries | 0 | - | 4.98 | 373,091 |
| Former Flags | 0 | - | 4.97 | 107,454 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,871 |
| Historic Orient Express Routes Map | 0 | - | 4.99 | 53,394 |
| Political Figures by Last Name #2 | 0 | - | 3.88 | 16,696 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,760 |
| WWII Decoder | 0 | - | 4.41 | 53,471 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,279 |
| Cold War Decoder | 0 | - | 4.83 | 52,250 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 93,917 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,016 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,806 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,456 |
| European History for Dummies | 0 | - | 4.83 | 89,749 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,739 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,571 |
| U.S. States by Governor | 0 | - | 4.43 | 18,039 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,666 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,647 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,238 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,108 |
| Coldest World Capitals | 0 | - | 4.95 | 133,447 |
| World Currency Quiz | 0 | - | 4.91 | 301,858 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,593 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,156 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,338 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,640 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,677 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,760 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,847 |
| Buddhist Countries | 0 | - | 4.96 | 143,697 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,095,698 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,688 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,807 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,246 |
| History Analogies #1 | 0 | - | 4.53 | 89,914 |
| History Analogies #2 | 0 | - | 4.49 | 77,158 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,483 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 65,119 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 52,049 |
| Groups of Things - History #1 | 0 | - | 4.41 | 93,998 |
| History Analogies #3 | 0 | - | 4.61 | 80,603 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,387 |
| Which Came First? | 0 | - | 4.37 | 74,702 |
| Christopher Columbus Quiz | 0 | - | 4.21 | 8,287 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,114 |
| Random History by Country | 0 | - | 4.53 | 34,811 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,805 |
| Animals in World History | 0 | - | 4.74 | 44,426 |
| People - Real or Fictional? | 0 | - | 4.56 | 58,745 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,536 |
| History True or False #3 | 0 | - | 4.43 | 56,744 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,408 |
| A to Z: Legendary Creatures | 0 | - | 4.26 | 52,962 |
| WWII First Names | 0 | - | 4.44 | 41,743 |
| WWII for Dummies | 0 | - | 4.79 | 104,703 |
| Cold War Trivia #1 | 0 | - | 4.42 | 57,205 |
| Events in History #3 | 0 | - | 4.40 | 71,640 |
| Events in History #1 | 0 | - | 4.34 | 157,621 |
| Events in Ancient History | 0 | - | 4.50 | 35,926 |
| Born Here on This Date #1 | 0 | - | 3.92 | 35,351 |
| Famous Founders in the U.S. | 0 | - | 3.98 | 34,267 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,638 |
| Titled People Quiz #2 | 0 | - | 4.38 | 26,732 |
| Deaths by Date and Cause #1 | 0 | - | 4.38 | 95,144 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 67,699 |
| Job Titles Quiz #2 | 0 | - | 3.62 | 37,305 |
| Famous Ships Quiz | 0 | - | 4.25 | 29,233 |
| Famous Short People | 0 | - | 4.39 | 17,567 |
| Name the Alliance | 0 | - | 4.29 | 29,528 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,984 |
| Coups d'Etat - Name the Country | 0 | - | 4.40 | 27,664 |
| Famous Documents | 0 | - | 4.05 | 21,816 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,311 |
| Legendary Deeds | 0 | - | 4.16 | 28,907 |
| Disasters in History | 0 | - | 4.40 | 25,662 |
| Executions in History | 0 | - | 4.30 | 16,956 |
| This Day in History - April | 0 | - | 4.40 | 44,444 |
| This Day in History - May | 0 | - | 4.33 | 48,342 |
| This Day in History - June | 0 | - | 4.32 | 33,487 |
| This Day in History - November | 0 | - | 4.24 | 33,590 |
| This Day in History - December | 0 | - | 4.32 | 40,519 |
| This Day in History - February | 0 | - | 4.38 | 39,762 |
| The 19th Century | 0 | - | 4.53 | 68,079 |
| The 18th Century | 0 | - | 4.53 | 53,260 |
| The 16th Century | 0 | - | 4.77 | 58,852 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,640 |
| The 21st Century | 0 | - | 4.48 | 105,810 |
| Battle to Country | 0 | - | 4.91 | 53,134 |
| The Life of King David | 0 | - | 4.37 | 14,112 |
| History Multiple Choice #1 | 0 | - | 4.44 | 81,850 |
| Years in History #2 - Multiple Choice | 0 | - | 4.43 | 41,607 |
| History Multiple Choice #2 | 0 | - | 4.43 | 49,999 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,705 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,426 |
| Three Real and One Fake - World History | 0 | - | 4.44 | 38,336 |
| British History A-Z #1 | 0 | - | 4.45 | 46,396 |
| Dark Ages History | 0 | - | 4.42 | 32,742 |
| 30 Historical People You Probably Don't Know | 0 | - | 4.36 | 60,962 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,070 |
