| Famous Dictators #1 | 0 | - | 4.69 | 198,907 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,151 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,241 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,081 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,240 |
| Historical Rulers #1 | 0 | - | 4.35 | 118,529 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 109,700 |
| Words for Leaders | 0 | - | 4.77 | 255,400 |
| World Leaders Quiz #2 | 0 | - | 4.00 | 35,677 |
| UN Secretaries-General | 0 | - | 4.40 | 7,769 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,555 |
| Prime Ministers of the UK | 0 | - | 4.96 | 435,128 |
| NATO Countries | 0 | - | 4.98 | 276,367 |
| EU Countries Quiz | 0 | - | 4.99 | 270,386 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,395 |
| Political Figures by Last Name #1 | 0 | - | 4.55 | 67,506 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,145 |
| Military History Vocabulary | 0 | - | 4.91 | 66,709 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,469 |
| "Second Best" History Edition | 0 | - | 4.93 | 62,022 |
| World Leaders of the World Wars | 0 | - | 4.35 | 37,670 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.18 | 47,892 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,564 |
| World Leaders by Picture | 0 | - | 4.36 | 263,660 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,132 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,718 |
| Name the English Monarchs | 0 | - | 4.92 | 498,568 |
| OPEC Countries | 0 | - | 4.74 | 84,846 |
| Dictators by Picture | 0 | - | 4.18 | 48,912 |
| WWII Geography | 0 | - | 4.81 | 119,439 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,612 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,746 |
| Empires by Maps | 0 | - | 4.98 | 118,741 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,308 |
| Political Quotes | 0 | - | 4.17 | 19,816 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,133 |
| Metals of Antiquity | 0 | - | 4.94 | 92,983 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,241 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,286 |
| History - Did They Have It? | 0 | - | 4.84 | 61,175 |
| Spouses of World Leaders | 0 | - | 4.18 | 12,290 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 24,870 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.48 | 15,769 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,708 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,777 |
| Influential Women in History | 0 | - | 4.42 | 35,164 |
| Cradles of Civilization | 0 | - | 4.46 | 39,229 |
| Popular Royal Names | 0 | - | 4.27 | 124,534 |
| Materials From History #1 | 0 | - | 4.56 | 51,110 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,230 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,011 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,277 |
| Countries of the Popes | 0 | - | 4.79 | 127,332 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,742 |
| First Names of Painters | 0 | - | 4.43 | 59,628 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,319 |
| Famous Explorers | 0 | - | 4.58 | 35,997 |
| Famous Empires by Description | 0 | - | 4.73 | 118,002 |
| Answers by Time Period | 0 | - | 4.63 | 55,314 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,501 |
| History of The Netherlands | 0 | - | 4.46 | 17,331 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,589 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 93,609 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.95 | 40,735 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 54,908 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,312 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,852 |
| Countries with NO Military | 0 | - | 4.97 | 61,261 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,939 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,976 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,246 |
| 7 Deadly Sins | 0 | - | 4.88 | 395,641 |
| Books of the Protestant Bible | 0 | - | 4.89 | 207,617 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,944 |
| Former Flags | 0 | - | 4.97 | 106,841 |
| Years in History by Picture | 0 | - | 4.44 | 35,156 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,231 |
| Materials From History #2 | 0 | - | 4.59 | 31,273 |
| Historic Orient Express Routes Map | 0 | - | 5.00 | 53,030 |
| Political Figures by Last Name #2 | 0 | - | 3.88 | 16,614 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,669 |
| WWII Decoder | 0 | - | 4.41 | 53,082 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 54,799 |
| Cold War Decoder | 0 | - | 4.83 | 51,988 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,330 |
| Events in History #2 | 0 | - | 4.49 | 71,462 |
| Events in History #4 | 0 | - | 4.44 | 44,134 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,502 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,846 |
| Assassinations in History | 0 | - | 4.21 | 66,005 |
| Famous Seconds | 0 | - | 4.22 | 46,410 |
| Ages and Eras | 0 | - | 4.38 | 67,505 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,419 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,657 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,065 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,847 |
| Female Historical Figures | 0 | - | 4.27 | 33,126 |
| Historical Blunders | 0 | - | 4.33 | 91,738 |
| Territorial Accessions | 0 | - | 4.38 | 34,668 |
| People Known as "The Great" | 0 | - | 4.46 | 24,553 |
| This Day in History - July | 0 | - | 4.49 | 36,378 |
| This Day in History - August | 0 | - | 4.42 | 43,264 |
| This Day in History - September | 0 | - | 4.55 | 57,286 |
| This Day in History - October | 0 | - | 4.49 | 37,558 |
| This Day in History - January | 0 | - | 4.53 | 46,589 |
| This Day in History - March | 0 | - | 4.45 | 43,553 |
| Ancient Civilizations | 0 | - | 4.63 | 37,784 |
| The Places They Went #1 | 0 | - | 4.74 | 33,454 |
| Famous Inventors | 0 | - | 4.43 | 43,467 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,531 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,302 |
| European History for Dummies | 0 | - | 4.83 | 89,393 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,634 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,351 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,011,306 |
| U.S. States by Governor | 0 | - | 4.43 | 17,992 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,589 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,562 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,011 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,400 |
| Coldest World Capitals | 0 | - | 4.95 | 133,091 |
| World Currency Quiz | 0 | - | 4.92 | 299,018 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,140 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,258 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,813 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,226 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,802 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,632 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,035 |
| Buddhist Countries | 0 | - | 4.96 | 143,069 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,091,582 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,392 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,711 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,150 |
| History Analogies #1 | 0 | - | 4.53 | 89,801 |
| History Analogies #2 | 0 | - | 4.49 | 77,025 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,193 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 64,982 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 51,948 |
| History Analogies #3 | 0 | - | 4.61 | 80,460 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,191 |
| Which Came First? | 0 | - | 4.37 | 74,438 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,012 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,592 |
| Random History by Country | 0 | - | 4.53 | 34,688 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,602 |
| Animals in World History | 0 | - | 4.74 | 44,252 |
| People - Real or Fictional? | 0 | - | 4.56 | 58,512 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,391 |
| History True or False #3 | 0 | - | 4.43 | 55,974 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,332 |
| The Dictator Files: Fidel Castro | 0 | - | 4.19 | 12,268 |
| A to Z: Legendary Creatures | 0 | - | 4.26 | 52,794 |
| WWII First Names | 0 | - | 4.44 | 41,595 |
| WWII for Dummies | 0 | - | 4.80 | 103,963 |
| Cold War Trivia #1 | 0 | - | 4.41 | 57,000 |
| Events in History #3 | 0 | - | 4.40 | 71,479 |
| Events in History #1 | 0 | - | 4.34 | 157,334 |
| Events in Ancient History | 0 | - | 4.50 | 35,750 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,555 |
| Deaths by Date and Cause #1 | 0 | - | 4.37 | 94,935 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 67,521 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,614 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,969 |
| This Day in History - April | 0 | - | 4.40 | 44,398 |
| This Day in History - May | 0 | - | 4.33 | 48,263 |
| This Day in History - June | 0 | - | 4.36 | 33,439 |
| This Day in History - November | 0 | - | 4.24 | 33,539 |
| This Day in History - December | 0 | - | 4.32 | 40,456 |
| This Day in History - February | 0 | - | 4.38 | 39,711 |
| The 19th Century | 0 | - | 4.53 | 67,902 |
| The 18th Century | 0 | - | 4.52 | 53,132 |
| The 16th Century | 0 | - | 4.77 | 58,747 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,553 |
| The 21st Century | 0 | - | 4.48 | 105,368 |
| Battle to Country | 0 | - | 4.91 | 52,603 |
| The Life of King David | 0 | - | 4.37 | 14,067 |
| History Multiple Choice #1 | 0 | - | 4.46 | 81,557 |
| Years in History #2 - Multiple Choice | 0 | - | 4.43 | 41,434 |
| History Multiple Choice #2 | 0 | - | 4.43 | 49,826 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,562 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,282 |
| Three Real and One Fake - World History | 0 | - | 4.44 | 38,207 |
| English Royal Consorts | 0 | - | 4.37 | 37,211 |
| British History A-Z #1 | 0 | - | 4.45 | 46,146 |
| Kings of France Quiz | 0 | - | 4.20 | 32,579 |
| Dark Ages History | 0 | - | 4.42 | 32,684 |
| 30 Historical People You Probably Don't Know | 0 | - | 4.36 | 60,844 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,756 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,195 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,376 |
| Monarchies of Europe | 0 | - | 4.90 | 97,423 |
| Monarchies of Asia | 0 | - | 4.97 | 70,658 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,051 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,077 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,297 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,609 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,600 |
| Richest Island Countries | 0 | - | 4.84 | 99,628 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,735 |
