| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,348 |
| Famous Dictators #1 | 0 | - | 4.69 | 199,421 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,344 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,168 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,374 |
| Historical Rulers #1 | 0 | - | 4.35 | 118,753 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 109,907 |
| Words for Leaders | 0 | - | 4.77 | 256,697 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,363 |
| World Leaders Quiz #2 | 0 | - | 4.00 | 35,797 |
| UN Secretaries-General | 0 | - | 4.40 | 7,782 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,592 |
| Prime Ministers of the UK | 0 | - | 4.95 | 437,661 |
| NATO Countries | 0 | - | 4.98 | 279,113 |
| EU Countries Quiz | 0 | - | 4.99 | 272,704 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,758 |
| Political Figures by Last Name #1 | 0 | - | 4.55 | 67,820 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,239 |
| Military History Vocabulary | 0 | - | 4.91 | 67,012 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,130 |
| Were They Alive During This? | 0 | - | 4.94 | 47,738 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,728 |
| World Leaders of the World Wars | 0 | - | 4.35 | 37,795 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.20 | 48,598 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 72,790 |
| World Leaders by Picture | 0 | - | 4.36 | 264,772 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,410 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,843 |
| Name the English Monarchs | 0 | - | 4.91 | 501,313 |
| All OPEC Countries Ever | 0 | - | 4.77 | 90,557 |
| Dictators by Picture | 0 | - | 4.18 | 49,071 |
| WWII Geography | 0 | - | 4.81 | 120,089 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,060 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,497 |
| Empires by Maps | 0 | - | 4.98 | 119,892 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,585 |
| Political Quotes | 0 | - | 4.17 | 19,867 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,318 |
| Metals of Antiquity | 0 | - | 4.94 | 93,278 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,564 |
| History: What Came First? #1 | 0 | - | 4.87 | 105,039 |
| History: What Came First? #2 | 0 | - | 4.81 | 79,335 |
| History - Did They Have It? | 0 | - | 4.84 | 61,648 |
| Spouses of World Leaders | 0 | - | 4.18 | 12,309 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 24,952 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.48 | 15,829 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,171 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,910 |
| Influential Women in History | 0 | - | 4.42 | 35,487 |
| Cradles of Civilization | 0 | - | 4.46 | 39,540 |
| Popular Royal Names | 0 | - | 4.27 | 124,833 |
| Materials From History #1 | 0 | - | 4.56 | 51,466 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,523 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,049 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,867 |
| Countries of the Popes | 0 | - | 4.79 | 127,845 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 706,530 |
| First Names of Painters | 0 | - | 4.43 | 59,794 |
| Biggest Nations and Empires Ever | 0 | - | 4.52 | 145,713 |
| Famous Explorers | 0 | - | 4.58 | 36,114 |
| Famous Empires by Description | 0 | - | 4.73 | 118,310 |
| Answers by Time Period | 0 | - | 4.64 | 55,506 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,859 |
| History of The Netherlands | 0 | - | 4.46 | 17,403 |
| Trace the Route of Ibn Battuta on a Map | 0 | - | 4.99 | 22,557 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,643 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 93,907 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 40,938 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,215 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,304 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 271,691 |
| Countries with NO Military | 0 | - | 4.97 | 61,907 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,897 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,369 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,627 |
| 7 Deadly Sins | 0 | - | 4.88 | 398,961 |
| Books of the Protestant Bible | 0 | - | 4.89 | 209,318 |
| Majority Muslim Countries | 0 | - | 4.98 | 372,983 |
| Former Flags | 0 | - | 4.97 | 107,434 |
| Years in History by Picture | 0 | - | 4.44 | 35,427 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,504 |
| Materials From History #2 | 0 | - | 4.59 | 31,449 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,863 |
| Historic Orient Express Routes Map | 0 | - | 4.99 | 53,381 |
| People Who Have Been Considered Gods | 0 | - | 4.48 | 24,345 |
| Political Figures by Last Name #2 | 0 | - | 3.88 | 16,689 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,755 |
| WWII Decoder | 0 | - | 4.41 | 53,465 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,268 |
| Cold War Decoder | 0 | - | 4.83 | 52,240 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,381 |
| Events in History #2 | 0 | - | 4.49 | 71,633 |
| Events in History #4 | 0 | - | 4.44 | 44,255 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,997 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,951 |
| Assassinations in History | 0 | - | 4.21 | 66,148 |
| Famous Seconds | 0 | - | 4.22 | 46,542 |
| Ages and Eras | 0 | - | 4.39 | 67,644 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,467 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,757 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,139 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,951 |
| Female Historical Figures | 0 | - | 4.28 | 33,220 |
| Historical Blunders | 0 | - | 4.34 | 91,883 |
| Territorial Accessions | 0 | - | 4.36 | 34,757 |
| People Known as "The Great" | 0 | - | 4.46 | 24,631 |
| This Day in History - July | 0 | - | 4.49 | 36,433 |
| This Day in History - August | 0 | - | 4.42 | 43,332 |
| This Day in History - September | 0 | - | 4.55 | 57,395 |
| This Day in History - October | 0 | - | 4.49 | 37,605 |
| This Day in History - January | 0 | - | 4.50 | 46,672 |
| This Day in History - March | 0 | - | 4.45 | 43,630 |
| Ancient Civilizations | 0 | - | 4.64 | 37,908 |
| The Places They Went #1 | 0 | - | 4.74 | 33,504 |
| Famous Inventors | 0 | - | 4.43 | 43,519 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,798 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,456 |
| Countries Visited by Christopher Columbus | 0 | - | 4.85 | 21,899 |
| European History for Dummies | 0 | - | 4.83 | 89,743 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,734 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,560 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,013,029 |
| U.S. States by Governor | 0 | - | 4.43 | 18,038 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,664 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,646 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,228 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,076 |
| Coldest World Capitals | 0 | - | 4.95 | 133,441 |
| World Currency Quiz | 0 | - | 4.91 | 301,751 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,554 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,130 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,318 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,620 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,651 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,716 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,820 |
| Buddhist Countries | 0 | - | 4.96 | 143,668 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,095,557 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,585 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,805 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,241 |
| The Places They Went #3 | 0 | - | 4.63 | 13,712 |
| History Analogies #1 | 0 | - | 4.53 | 89,912 |
| History Analogies #2 | 0 | - | 4.49 | 77,154 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,476 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 65,114 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 52,047 |
| Groups of Things - History #1 | 0 | - | 4.41 | 93,982 |
| History Analogies #3 | 0 | - | 4.61 | 80,596 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,380 |
| Which Came First? | 0 | - | 4.37 | 74,694 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,112 |
| Random History by Country | 0 | - | 4.53 | 34,805 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,800 |
| Animals in World History | 0 | - | 4.74 | 44,422 |
| People - Real or Fictional? | 0 | - | 4.56 | 58,738 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,528 |
| History True or False #3 | 0 | - | 4.43 | 56,735 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,408 |
| The Dictator Files: Fidel Castro | 0 | - | 4.19 | 12,305 |
| A to Z: Legendary Creatures | 0 | - | 4.26 | 52,955 |
| WWII First Names | 0 | - | 4.44 | 41,740 |
| WWII for Dummies | 0 | - | 4.79 | 104,684 |
| Cold War Trivia #1 | 0 | - | 4.42 | 57,198 |
| History of Nuclear Weapons | 0 | - | 4.56 | 42,248 |
| Events in History #3 | 0 | - | 4.40 | 71,631 |
| Events in History #1 | 0 | - | 4.34 | 157,614 |
| Events in Ancient History | 0 | - | 4.50 | 35,918 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,635 |
| Deaths by Date and Cause #1 | 0 | - | 4.38 | 95,132 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 67,688 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,968 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,301 |
| This Day in History - April | 0 | - | 4.40 | 44,444 |
| This Day in History - May | 0 | - | 4.33 | 48,340 |
| This Day in History - June | 0 | - | 4.32 | 33,487 |
| This Day in History - November | 0 | - | 4.24 | 33,588 |
| This Day in History - December | 0 | - | 4.32 | 40,517 |
| This Day in History - February | 0 | - | 4.38 | 39,762 |
| The 19th Century | 0 | - | 4.53 | 68,074 |
| The 18th Century | 0 | - | 4.52 | 53,259 |
| The 16th Century | 0 | - | 4.77 | 58,851 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,637 |
| The 21st Century | 0 | - | 4.48 | 105,799 |
| Battle to Country | 0 | - | 4.91 | 53,113 |
| The Life of King David | 0 | - | 4.37 | 14,112 |
| History Multiple Choice #1 | 0 | - | 4.44 | 81,834 |
| Years in History #2 - Multiple Choice | 0 | - | 4.43 | 41,600 |
| History Multiple Choice #2 | 0 | - | 4.43 | 49,987 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,695 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,417 |
| Three Real and One Fake - World History | 0 | - | 4.44 | 38,332 |
| Trace the Route of Marco Polo on a Map | 0 | - | 5.00 | 42,193 |
| English Royal Consorts | 0 | - | 4.37 | 37,310 |
| British History A-Z #1 | 0 | - | 4.45 | 46,387 |
| Kings of France Quiz | 0 | - | 4.20 | 32,679 |
| Dark Ages History | 0 | - | 4.42 | 32,736 |
| 30 Historical People You Probably Don't Know | 0 | - | 4.36 | 60,956 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,006 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,322 |
