| Famous Dictators #1 | 0 | - | 4.69 | 199,377 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,332 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,339 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,331 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,161 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,358 |
| Historical Rulers #1 | 0 | - | 4.35 | 118,734 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 109,885 |
| Words for Leaders | 0 | - | 4.77 | 256,598 |
| World Leaders Quiz #2 | 0 | - | 4.00 | 35,789 |
| UN Secretaries-General | 0 | - | 4.40 | 7,781 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,589 |
| Prime Ministers of the UK | 0 | - | 4.95 | 437,378 |
| NATO Countries | 0 | - | 4.98 | 278,884 |
| EU Countries Quiz | 0 | - | 4.99 | 272,487 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,734 |
| Political Figures by Last Name #1 | 0 | - | 4.55 | 67,786 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,234 |
| Military History Vocabulary | 0 | - | 4.91 | 66,974 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,063 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,675 |
| World Leaders of the World Wars | 0 | - | 4.35 | 37,781 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.20 | 48,551 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 72,766 |
| World Leaders by Picture | 0 | - | 4.36 | 264,652 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,385 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,830 |
| Name the English Monarchs | 0 | - | 4.91 | 501,035 |
| All OPEC Countries Ever | 0 | - | 4.77 | 90,346 |
| Dictators by Picture | 0 | - | 4.18 | 49,059 |
| WWII Geography | 0 | - | 4.81 | 120,059 |
| WWII Figures by Picture | 0 | - | 4.89 | 64,936 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,430 |
| Empires by Maps | 0 | - | 4.98 | 119,807 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,550 |
| Political Quotes | 0 | - | 4.17 | 19,863 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,301 |
| Metals of Antiquity | 0 | - | 4.94 | 93,250 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,536 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,999 |
| Spouses of World Leaders | 0 | - | 4.18 | 12,308 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 24,947 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.48 | 15,826 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,143 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,896 |
| Influential Women in History | 0 | - | 4.42 | 35,458 |
| Cradles of Civilization | 0 | - | 4.46 | 39,513 |
| Popular Royal Names | 0 | - | 4.27 | 124,808 |
| Materials From History #1 | 0 | - | 4.56 | 51,439 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,495 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,049 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,815 |
| Countries of the Popes | 0 | - | 4.79 | 127,784 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 706,375 |
| First Names of Painters | 0 | - | 4.43 | 59,783 |
| Biggest Nations and Empires Ever | 0 | - | 4.52 | 145,673 |
| Famous Explorers | 0 | - | 4.58 | 36,104 |
| Famous Empires by Description | 0 | - | 4.73 | 118,282 |
| Answers by Time Period | 0 | - | 4.64 | 55,490 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,841 |
| History of The Netherlands | 0 | - | 4.46 | 17,397 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,640 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 93,881 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 40,925 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,191 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,100 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 271,382 |
| Countries with NO Military | 0 | - | 4.97 | 61,845 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,796 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,334 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,527 |
| 7 Deadly Sins | 0 | - | 4.88 | 398,667 |
| Books of the Protestant Bible | 0 | - | 4.89 | 209,175 |
| Majority Muslim Countries | 0 | - | 4.98 | 372,740 |
| Former Flags | 0 | - | 4.97 | 107,386 |
| Years in History by Picture | 0 | - | 4.44 | 35,404 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,482 |
| Materials From History #2 | 0 | - | 4.59 | 31,442 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,851 |
| Historic Orient Express Routes Map | 0 | - | 4.99 | 53,354 |
| Political Figures by Last Name #2 | 0 | - | 3.88 | 16,678 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,751 |
| WWII Decoder | 0 | - | 4.41 | 53,437 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,239 |
| Cold War Decoder | 0 | - | 4.83 | 52,211 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,378 |
| Events in History #2 | 0 | - | 4.49 | 71,621 |
| Events in History #4 | 0 | - | 4.44 | 44,243 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,942 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,942 |
| Assassinations in History | 0 | - | 4.21 | 66,137 |
| Famous Seconds | 0 | - | 4.22 | 46,533 |
| Ages and Eras | 0 | - | 4.39 | 67,624 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,464 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,752 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,137 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,942 |
| Female Historical Figures | 0 | - | 4.28 | 33,211 |
| Historical Blunders | 0 | - | 4.34 | 91,871 |
| Territorial Accessions | 0 | - | 4.36 | 34,748 |
| People Known as "The Great" | 0 | - | 4.46 | 24,621 |
| This Day in History - July | 0 | - | 4.49 | 36,431 |
| This Day in History - August | 0 | - | 4.42 | 43,330 |
| This Day in History - September | 0 | - | 4.55 | 57,389 |
| This Day in History - October | 0 | - | 4.49 | 37,601 |
| This Day in History - January | 0 | - | 4.50 | 46,665 |
| This Day in History - March | 0 | - | 4.45 | 43,623 |
| Ancient Civilizations | 0 | - | 4.64 | 37,889 |
| The Places They Went #1 | 0 | - | 4.74 | 33,501 |
| Famous Inventors | 0 | - | 4.43 | 43,509 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,773 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,440 |
| European History for Dummies | 0 | - | 4.83 | 89,704 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,724 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,543 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,012,869 |
| U.S. States by Governor | 0 | - | 4.43 | 18,032 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,657 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,639 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,200 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,016 |
| Coldest World Capitals | 0 | - | 4.95 | 133,411 |
| World Currency Quiz | 0 | - | 4.91 | 301,455 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,411 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,025 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,266 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,570 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,561 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,627 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,763 |
| Buddhist Countries | 0 | - | 4.96 | 143,603 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,095,160 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,427 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,796 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,234 |
| History Analogies #1 | 0 | - | 4.53 | 89,899 |
| History Analogies #2 | 0 | - | 4.49 | 77,144 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,448 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 65,105 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 52,037 |
| Groups of Things - History #1 | 0 | - | 4.41 | 93,961 |
| History Analogies #3 | 0 | - | 4.61 | 80,584 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,365 |
| Which Came First? | 0 | - | 4.37 | 74,678 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,108 |
| Random History by Country | 0 | - | 4.53 | 34,788 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,782 |
| Animals in World History | 0 | - | 4.74 | 44,407 |
| People - Real or Fictional? | 0 | - | 4.56 | 58,713 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,516 |
| History True or False #3 | 0 | - | 4.43 | 56,710 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,404 |
| The Dictator Files: Fidel Castro | 0 | - | 4.19 | 12,302 |
| A to Z: Legendary Creatures | 0 | - | 4.26 | 52,939 |
| WWII First Names | 0 | - | 4.44 | 41,727 |
| WWII for Dummies | 0 | - | 4.80 | 104,621 |
| Cold War Trivia #1 | 0 | - | 4.42 | 57,187 |
| Events in History #3 | 0 | - | 4.40 | 71,615 |
| Events in History #1 | 0 | - | 4.34 | 157,590 |
| Events in Ancient History | 0 | - | 4.50 | 35,904 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,633 |
| Deaths by Date and Cause #1 | 0 | - | 4.38 | 95,116 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 67,673 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,922 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,266 |
| This Day in History - April | 0 | - | 4.40 | 44,443 |
| This Day in History - May | 0 | - | 4.33 | 48,338 |
| This Day in History - June | 0 | - | 4.32 | 33,486 |
| This Day in History - November | 0 | - | 4.24 | 33,587 |
| This Day in History - December | 0 | - | 4.32 | 40,514 |
| This Day in History - February | 0 | - | 4.38 | 39,759 |
| The 19th Century | 0 | - | 4.53 | 68,058 |
| The 18th Century | 0 | - | 4.52 | 53,247 |
| The 16th Century | 0 | - | 4.77 | 58,844 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,633 |
| The 21st Century | 0 | - | 4.48 | 105,768 |
| Battle to Country | 0 | - | 4.91 | 53,072 |
| The Life of King David | 0 | - | 4.37 | 14,107 |
| History Multiple Choice #1 | 0 | - | 4.46 | 81,809 |
| Years in History #2 - Multiple Choice | 0 | - | 4.43 | 41,588 |
| History Multiple Choice #2 | 0 | - | 4.43 | 49,974 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,686 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,413 |
| Three Real and One Fake - World History | 0 | - | 4.44 | 38,324 |
| English Royal Consorts | 0 | - | 4.37 | 37,300 |
| British History A-Z #1 | 0 | - | 4.45 | 46,366 |
| Kings of France Quiz | 0 | - | 4.20 | 32,668 |
| Dark Ages History | 0 | - | 4.42 | 32,732 |
| 30 Historical People You Probably Don't Know | 0 | - | 4.36 | 60,946 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,894 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,312 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,771 |
| Monarchies of Europe | 0 | - | 4.90 | 97,865 |
| Monarchies of Asia | 0 | - | 4.97 | 70,921 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,137 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,762 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,966 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,273 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,979 |
| Richest Island Countries | 0 | - | 4.84 | 100,198 |
