| Prime Ministers of the UK | 0 | - | 4.96 | 434,335 |
| World Leaders by Picture | 0 | - | 4.36 | 263,255 |
| Dictators by Picture | 0 | - | 4.18 | 48,843 |
| Political Figures by Last Name #1 | 0 | - | 4.55 | 67,375 |
| Canadian Prime Ministers | 0 | - | 4.63 | 56,995 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,099 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,658 |
| Famous Dictators #1 | 0 | - | 4.69 | 198,679 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,210 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,043 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,184 |
| Historical Rulers #1 | 0 | - | 4.35 | 118,449 |
| Words for Leaders | 0 | - | 4.77 | 254,987 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 109,615 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,065 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.48 | 15,747 |
| Spouses of World Leaders | 0 | - | 4.18 | 12,283 |
| World Leaders Quiz #2 | 0 | - | 4.00 | 35,639 |
| UN Secretaries-General | 0 | - | 4.40 | 7,756 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 24,837 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,535 |
| "Second Best" History Edition | 0 | - | 4.94 | 61,673 |
| Paramount Leaders of China | 0 | - | 4.36 | 10,995 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,567 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 85,771 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 59,767 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,345 |
| Divided Country Shape Puzzle #1 | 0 | - | 4.86 | 52,853 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,111 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,270 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,622 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,227 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 152,868 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 41,667 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 126,555 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,392 |
| Empires by Maps | 0 | - | 4.98 | 118,268 |
| Political Figures by Last Name #2 | 0 | - | 3.88 | 16,579 |
| World Leaders of the World Wars | 0 | - | 4.35 | 37,642 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,386 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.18 | 47,184 |
| The Dictator Files: Fidel Castro | 0 | - | 4.19 | 12,250 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,024 |
| Countries of the Popes | 0 | - | 4.79 | 127,121 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,168 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,056 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,581 |
| Metals of Antiquity | 0 | - | 4.94 | 92,843 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,113 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,107 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,269 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,106 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,628 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,069 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,457 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.20 | 10,804 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,411 |
| Influential Women in History | 0 | - | 4.42 | 34,915 |
| Cradles of Civilization | 0 | - | 4.46 | 38,976 |
| Materials From History #1 | 0 | - | 4.56 | 50,533 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,004 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,811 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,300 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,087 |
| Famous Explorers | 0 | - | 4.58 | 35,923 |
| Famous Empires by Description | 0 | - | 4.70 | 117,485 |
| Answers by Time Period | 0 | - | 4.63 | 55,240 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,921 |
| NATO Countries | 0 | - | 4.98 | 275,371 |
| EU Countries Quiz | 0 | - | 4.99 | 269,634 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,719 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,366 |
| Country Picture Puzzle Game #2 | 0 | - | 4.54 | 55,016 |
| Country Picture Puzzle Game #3 | 0 | - | 4.44 | 41,912 |
| Divided Country Shape Puzzle #2 | 0 | - | 4.57 | 33,236 |
| NFL Football Team Logos | 0 | - | 4.90 | 620,627 |
| Former Flags | 0 | - | 4.97 | 106,576 |
| Years in History by Picture | 0 | - | 4.44 | 35,066 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 77,963 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,159 |
| Materials From History #2 | 0 | - | 4.59 | 30,897 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,498 |
| Pope Facts | 0 | - | 4.39 | 31,022 |
| Flags of WW1 | 0 | - | 4.60 | 37,903 |
| Cold War Decoder | 0 | - | 4.83 | 51,896 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,304 |
| Events in History #2 | 0 | - | 4.49 | 71,398 |
| Events in History #4 | 0 | - | 4.44 | 44,081 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,315 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,791 |
| Assassinations in History | 0 | - | 4.20 | 65,928 |
| Famous Seconds | 0 | - | 4.22 | 46,370 |
| Ages and Eras Quiz | 0 | - | 4.38 | 67,425 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,380 |
| Titled People Quiz #1 | 0 | - | 4.10 | 45,592 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,014 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,810 |
| Female Historical Figures | 0 | - | 4.31 | 33,080 |
| Historical Blunders | 0 | - | 4.33 | 91,643 |
| Territorial Accessions | 0 | - | 4.38 | 34,615 |
| People Known as "The Great" | 0 | - | 4.46 | 24,498 |
| Political Quotes | 0 | - | 4.17 | 19,800 |
| This Day in History - July | 0 | - | 4.49 | 36,362 |
| This Day in History - August | 0 | - | 4.42 | 43,237 |
| This Day in History - September | 0 | - | 4.55 | 57,244 |
| This Day in History - October | 0 | - | 4.49 | 37,546 |
| This Day in History - January | 0 | - | 4.53 | 46,562 |
| This Day in History - March | 0 | - | 4.45 | 43,532 |
| Ancient Civilizations | 0 | - | 4.63 | 37,733 |
| Military History Vocabulary | 0 | - | 4.91 | 66,608 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,656 |
| The Places They Went #1 | 0 | - | 4.74 | 33,437 |
| Famous Inventors | 0 | - | 4.43 | 43,443 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,433 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,011 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,010,316 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,235 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,526 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 903,796 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 414,548 |
| Country Shapes Quiz #3 | 0 | - | 4.91 | 294,101 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 224,026 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 160,823 |
| World Map without 12 Countries | 0 | - | 4.97 | 342,175 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 171,169 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 136,881 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 34,219 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 103,249 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 110,586 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,171 |
| Every Country Shape | 0 | - | 5.00 | 458,341 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,235 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 79,973 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,503 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 84,981 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 94,559 |
| Country Shapes Under the Sea | 0 | - | 5.00 | 77,119 |
| A Square of Merged Countries #1 | 0 | - | 4.88 | 58,911 |
| Country Shapes Slideshow | 0 | - | 4.84 | 39,093 |
| Country Shapes in my Burger | 0 | - | 4.95 | 54,070 |
| A Square of Merged Countries #2 | 0 | - | 4.97 | 40,975 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,312 |
| Flags to Capitals #1 | 0 | - | 4.96 | 57,831 |
| Flags to Capitals #2 | 0 | - | 4.95 | 43,885 |
| NHL Ice Hockey Team Logos | 0 | - | 4.89 | 183,561 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 65,992 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,682 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,019 |
| History Analogies #1 | 0 | - | 4.53 | 89,758 |
| History Analogies #2 | 0 | - | 4.49 | 76,976 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,086 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 64,934 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 51,916 |
| History Analogies #3 | 0 | - | 4.61 | 80,412 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,113 |
| Which Came First? | 0 | - | 4.37 | 74,374 |
| Random History by Country | 0 | - | 4.53 | 34,644 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,514 |
| Animals in World History | 0 | - | 4.74 | 44,199 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,339 |
| History True or False #3 | 0 | - | 4.43 | 55,884 |
| A to Z: Legendary Creatures | 0 | - | 4.26 | 52,713 |
| Arthurian Legend | 0 | - | 4.33 | 25,047 |
| WWII Geography | 0 | - | 4.81 | 119,294 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,085 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,454 |
| Territory Changes in World War I | 0 | - | 4.86 | 46,190 |
| Cold War Trivia #1 | 0 | - | 4.41 | 56,915 |
| Events in History #3 | 0 | - | 4.40 | 71,424 |
| Events in History #1 | 0 | - | 4.34 | 157,221 |
| Events in Ancient History | 0 | - | 4.50 | 35,683 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,520 |
| Deaths by Date and Cause #1 | 0 | - | 4.37 | 94,865 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 67,454 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 486,252 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 709,308 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,509 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,879 |
| This Day in History - April | 0 | - | 4.40 | 44,383 |
| This Day in History - May | 0 | - | 4.33 | 48,239 |
| This Day in History - June | 0 | - | 4.36 | 33,426 |
| This Day in History - November | 0 | - | 4.24 | 33,528 |
| This Day in History - December | 0 | - | 4.32 | 40,443 |
| This Day in History - February | 0 | - | 4.38 | 39,693 |
| The 19th Century | 0 | - | 4.53 | 67,861 |
| The 18th Century | 0 | - | 4.52 | 53,105 |
| The 16th Century | 0 | - | 4.77 | 58,723 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,527 |
| The 21st Century | 0 | - | 4.48 | 105,248 |
| History Multiple Choice #1 | 0 | - | 4.46 | 81,486 |
| Years in History #2 - Multiple Choice | 0 | - | 4.43 | 41,393 |
| History Multiple Choice #2 | 0 | - | 4.43 | 49,783 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,522 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,253 |
| Three Real and One Fake - World History | 0 | - | 4.44 | 38,174 |
| Name the English Monarchs | 0 | - | 4.92 | 497,598 |
| Dark Ages History | 0 | - | 4.42 | 32,671 |
| 30 Historical People You Probably Don't Know | 0 | - | 4.36 | 60,769 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,332 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,497 |
