| World Leaders by Picture | 0 | - | 4.36 | 264,203 |
| Prime Ministers of the UK | 0 | - | 4.96 | 436,445 |
| Dictators by Picture | 0 | - | 4.18 | 48,989 |
| Political Figures by Last Name #1 | 0 | - | 4.55 | 67,653 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,256 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,267 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,778 |
| Famous Dictators #1 | 0 | - | 4.69 | 199,141 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,286 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,120 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,301 |
| Historical Rulers #1 | 0 | - | 4.35 | 118,637 |
| Words for Leaders | 0 | - | 4.77 | 255,921 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 109,784 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,242 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.48 | 15,798 |
| Spouses of World Leaders | 0 | - | 4.18 | 12,302 |
| World Leaders Quiz #2 | 0 | - | 4.00 | 35,739 |
| UN Secretaries-General | 0 | - | 4.40 | 7,776 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 24,913 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,571 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,344 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,023 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,612 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 85,948 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,010 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,606 |
| Divided Country Shape Puzzle #1 | 0 | - | 4.87 | 53,057 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,195 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,573 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,707 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,637 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 153,310 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 42,180 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 126,920 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,092 |
| Empires by Maps | 0 | - | 4.98 | 119,244 |
| Political Figures by Last Name #2 | 0 | - | 3.88 | 16,652 |
| World Leaders of the World Wars | 0 | - | 4.35 | 37,741 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,651 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.20 | 48,263 |
| The Dictator Files: Fidel Castro | 0 | - | 4.19 | 12,278 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,532 |
| Countries of the Popes | 0 | - | 4.79 | 127,559 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,433 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,219 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,819 |
| Metals of Antiquity | 0 | - | 4.94 | 93,109 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,400 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,721 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,382 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 705,603 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,991 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,130 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,113 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,489 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.20 | 10,830 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,740 |
| Influential Women in History | 0 | - | 4.42 | 35,279 |
| Cradles of Civilization | 0 | - | 4.46 | 39,352 |
| Materials From History #1 | 0 | - | 4.56 | 51,318 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,364 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,872 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,374 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,495 |
| Famous Explorers | 0 | - | 4.58 | 36,045 |
| Famous Empires by Description | 0 | - | 4.73 | 118,145 |
| Answers by Time Period | 0 | - | 4.64 | 55,407 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,125 |
| NATO Countries | 0 | - | 4.98 | 277,866 |
| EU Countries Quiz | 0 | - | 4.99 | 271,421 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,841 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,419 |
| Country Picture Puzzle Game #2 | 0 | - | 4.54 | 55,132 |
| Country Picture Puzzle Game #3 | 0 | - | 4.44 | 41,985 |
| Divided Country Shape Puzzle #2 | 0 | - | 4.57 | 33,349 |
| NFL Football Team Logos | 0 | - | 4.90 | 624,194 |
| Former Flags | 0 | - | 4.97 | 107,123 |
| Years in History by Picture | 0 | - | 4.44 | 35,288 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,388 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,394 |
| Materials From History #2 | 0 | - | 4.59 | 31,387 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,728 |
| Pope Facts | 0 | - | 4.39 | 31,124 |
| Flags of WW1 | 0 | - | 4.60 | 38,135 |
| Cold War Decoder | 0 | - | 4.83 | 52,105 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,354 |
| Events in History #2 | 0 | - | 4.49 | 71,546 |
| Events in History #4 | 0 | - | 4.44 | 44,191 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,712 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,894 |
| Assassinations in History | 0 | - | 4.21 | 66,076 |
| Famous Seconds | 0 | - | 4.22 | 46,487 |
| Ages and Eras | 0 | - | 4.38 | 67,574 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,437 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,698 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,101 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,899 |
| Female Historical Figures | 0 | - | 4.27 | 33,172 |
| Historical Blunders | 0 | - | 4.34 | 91,801 |
| Territorial Accessions | 0 | - | 4.39 | 34,704 |
| People Known as "The Great" | 0 | - | 4.46 | 24,589 |
| Political Quotes | 0 | - | 4.17 | 19,840 |
| This Day in History - July | 0 | - | 4.49 | 36,408 |
| This Day in History - August | 0 | - | 4.42 | 43,302 |
| This Day in History - September | 0 | - | 4.55 | 57,339 |
| This Day in History - October | 0 | - | 4.49 | 37,580 |
| This Day in History - January | 0 | - | 4.50 | 46,632 |
| This Day in History - March | 0 | - | 4.45 | 43,580 |
| Ancient Civilizations | 0 | - | 4.64 | 37,831 |
| Military History Vocabulary | 0 | - | 4.91 | 66,839 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,819 |
| The Places They Went #1 | 0 | - | 4.74 | 33,472 |
| Famous Inventors | 0 | - | 4.43 | 43,493 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,652 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,012,121 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,773 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,634 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 905,414 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 415,653 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 295,117 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 224,823 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 163,423 |
| World Map without 12 Countries | 0 | - | 4.97 | 343,237 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 172,299 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 137,517 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 35,305 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 103,673 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 110,961 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,624 |
| Every Country Shape | 0 | - | 5.00 | 461,403 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,597 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,254 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,800 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,304 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 94,880 |
| Country Shapes Under the Sea | 0 | - | 5.00 | 77,382 |
| A Square of Merged Countries #1 | 0 | - | 4.88 | 59,196 |
| Country Shapes Slideshow | 0 | - | 4.84 | 39,301 |
| Country Shapes in my Burger | 0 | - | 4.95 | 54,362 |
| A Square of Merged Countries #2 | 0 | - | 4.97 | 41,219 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,763 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,127 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,117 |
| NHL Ice Hockey Team Logos | 0 | - | 4.89 | 185,436 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 66,454 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,747 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,196 |
| History Analogies #1 | 0 | - | 4.53 | 89,845 |
| History Analogies #2 | 0 | - | 4.49 | 77,080 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,314 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 65,048 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 51,980 |
| History Analogies #3 | 0 | - | 4.61 | 80,526 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,285 |
| Which Came First? | 0 | - | 4.37 | 74,577 |
| Random History by Country | 0 | - | 4.53 | 34,728 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,696 |
| Animals in World History | 0 | - | 4.74 | 44,337 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,454 |
| History True or False #3 | 0 | - | 4.43 | 56,489 |
| A to Z: Legendary Creatures | 0 | - | 4.26 | 52,868 |
| Arthurian Legend | 0 | - | 4.33 | 25,074 |
| WWII Geography | 0 | - | 4.81 | 119,828 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,246 |
| WWII Figures by Picture | 0 | - | 4.89 | 63,304 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,433 |
| Cold War Trivia #1 | 0 | - | 4.41 | 57,095 |
| Events in History #3 | 0 | - | 4.40 | 71,548 |
| Events in History #1 | 0 | - | 4.34 | 157,466 |
| Events in Ancient History | 0 | - | 4.50 | 35,828 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,602 |
| Deaths by Date and Cause #1 | 0 | - | 4.38 | 95,029 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 67,609 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 487,554 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 710,811 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,787 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,142 |
| This Day in History - April | 0 | - | 4.40 | 44,423 |
| This Day in History - May | 0 | - | 4.33 | 48,299 |
| This Day in History - June | 0 | - | 4.36 | 33,463 |
| This Day in History - November | 0 | - | 4.24 | 33,568 |
| This Day in History - December | 0 | - | 4.32 | 40,485 |
| This Day in History - February | 0 | - | 4.38 | 39,736 |
| Roman History by Picture | 0 | - | 4.46 | 26,390 |
| The 19th Century | 0 | - | 4.53 | 67,964 |
| The 18th Century | 0 | - | 4.52 | 53,178 |
| The 16th Century | 0 | - | 4.77 | 58,790 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,589 |
| The 21st Century | 0 | - | 4.48 | 105,546 |
| History Multiple Choice #1 | 0 | - | 4.46 | 81,710 |
| Years in History #2 - Multiple Choice | 0 | - | 4.43 | 41,527 |
| History Multiple Choice #2 | 0 | - | 4.43 | 49,918 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,636 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,363 |
| Name the English Monarchs | 0 | - | 4.92 | 499,894 |
| Dark Ages History | 0 | - | 4.42 | 32,706 |
| 30 Historical People You Probably Don't Know | 0 | - | 4.36 | 60,899 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,416 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,665 |
