| World Leaders by Picture | 0 | - | 4.36 | 264,153 |
| Prime Ministers of the UK | 0 | - | 4.96 | 436,322 |
| Dictators by Picture | 0 | - | 4.18 | 48,983 |
| Political Figures by Last Name #1 | 0 | - | 4.55 | 67,643 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,246 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,255 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,769 |
| Famous Dictators #1 | 0 | - | 4.69 | 199,128 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,284 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,116 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,294 |
| Historical Rulers #1 | 0 | - | 4.35 | 118,630 |
| Words for Leaders | 0 | - | 4.77 | 255,874 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 109,779 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,232 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.48 | 15,795 |
| Spouses of World Leaders | 0 | - | 4.18 | 12,300 |
| World Leaders Quiz #2 | 0 | - | 4.00 | 35,736 |
| UN Secretaries-General | 0 | - | 4.40 | 7,775 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 24,911 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,570 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,303 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,022 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,611 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 85,941 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 59,998 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,589 |
| Divided Country Shape Puzzle #1 | 0 | - | 4.87 | 53,043 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,187 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,556 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,703 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,616 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 153,295 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 42,154 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 126,913 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,054 |
| Empires by Maps | 0 | - | 4.98 | 119,195 |
| Political Figures by Last Name #2 | 0 | - | 3.88 | 16,649 |
| World Leaders of the World Wars | 0 | - | 4.35 | 37,734 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,643 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.20 | 48,235 |
| The Dictator Files: Fidel Castro | 0 | - | 4.19 | 12,275 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,510 |
| Countries of the Popes | 0 | - | 4.79 | 127,546 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,419 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,208 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,807 |
| Metals of Antiquity | 0 | - | 4.94 | 93,097 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,390 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,619 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,378 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 705,516 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,925 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,129 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,109 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,486 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.20 | 10,829 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,731 |
| Influential Women in History | 0 | - | 4.42 | 35,266 |
| Cradles of Civilization | 0 | - | 4.46 | 39,342 |
| Materials From History #1 | 0 | - | 4.56 | 51,304 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,349 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,866 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,369 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,474 |
| Famous Explorers | 0 | - | 4.58 | 36,041 |
| Famous Empires by Description | 0 | - | 4.73 | 118,133 |
| Answers by Time Period | 0 | - | 4.63 | 55,401 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,120 |
| NATO Countries | 0 | - | 4.98 | 277,736 |
| EU Countries Quiz | 0 | - | 4.99 | 271,331 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,829 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,415 |
| Country Picture Puzzle Game #2 | 0 | - | 4.54 | 55,125 |
| Country Picture Puzzle Game #3 | 0 | - | 4.44 | 41,983 |
| Divided Country Shape Puzzle #2 | 0 | - | 4.57 | 33,341 |
| NFL Football Team Logos | 0 | - | 4.90 | 624,039 |
| Former Flags | 0 | - | 4.97 | 107,102 |
| Years in History by Picture | 0 | - | 4.44 | 35,278 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,377 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,363 |
| Materials From History #2 | 0 | - | 4.59 | 31,375 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,721 |
| Pope Facts | 0 | - | 4.39 | 31,124 |
| Flags of WW1 | 0 | - | 4.60 | 38,124 |
| Cold War Decoder | 0 | - | 4.83 | 52,095 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,353 |
| Events in History #2 | 0 | - | 4.49 | 71,537 |
| Events in History #4 | 0 | - | 4.44 | 44,182 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,697 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,891 |
| Assassinations in History | 0 | - | 4.21 | 66,072 |
| Famous Seconds | 0 | - | 4.22 | 46,481 |
| Ages and Eras | 0 | - | 4.38 | 67,567 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,435 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,694 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,099 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,892 |
| Female Historical Figures | 0 | - | 4.27 | 33,168 |
| Historical Blunders | 0 | - | 4.34 | 91,798 |
| Territorial Accessions | 0 | - | 4.39 | 34,699 |
| People Known as "The Great" | 0 | - | 4.46 | 24,586 |
| Political Quotes | 0 | - | 4.17 | 19,839 |
| This Day in History - July | 0 | - | 4.49 | 36,406 |
| This Day in History - August | 0 | - | 4.42 | 43,300 |
| This Day in History - September | 0 | - | 4.55 | 57,337 |
| This Day in History - October | 0 | - | 4.49 | 37,578 |
| This Day in History - January | 0 | - | 4.50 | 46,629 |
| This Day in History - March | 0 | - | 4.45 | 43,579 |
| Ancient Civilizations | 0 | - | 4.64 | 37,827 |
| Military History Vocabulary | 0 | - | 4.91 | 66,825 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,809 |
| The Places They Went #1 | 0 | - | 4.74 | 33,468 |
| Famous Inventors | 0 | - | 4.43 | 43,488 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,645 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,012,047 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,748 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,625 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 905,353 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 415,601 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 295,076 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 224,785 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 163,384 |
| World Map without 12 Countries | 0 | - | 4.97 | 343,176 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 172,274 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 137,499 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 35,255 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 103,659 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 110,943 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,604 |
| Every Country Shape | 0 | - | 5.00 | 461,223 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,584 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,245 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,785 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,292 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 94,862 |
| Country Shapes Under the Sea | 0 | - | 5.00 | 77,373 |
| A Square of Merged Countries #1 | 0 | - | 4.88 | 59,188 |
| Country Shapes Slideshow | 0 | - | 4.84 | 39,295 |
| Country Shapes in my Burger | 0 | - | 4.95 | 54,346 |
| A Square of Merged Countries #2 | 0 | - | 4.97 | 41,200 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,746 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,105 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,107 |
| NHL Ice Hockey Team Logos | 0 | - | 4.89 | 185,316 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 66,428 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,745 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,193 |
| History Analogies #1 | 0 | - | 4.53 | 89,842 |
| History Analogies #2 | 0 | - | 4.49 | 77,073 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,305 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 65,043 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 51,978 |
| History Analogies #3 | 0 | - | 4.61 | 80,520 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,277 |
| Which Came First? | 0 | - | 4.37 | 74,540 |
| Random History by Country | 0 | - | 4.53 | 34,724 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,689 |
| Animals in World History | 0 | - | 4.74 | 44,329 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,450 |
| History True or False #3 | 0 | - | 4.43 | 56,330 |
| A to Z: Legendary Creatures | 0 | - | 4.26 | 52,863 |
| Arthurian Legend | 0 | - | 4.33 | 25,072 |
| WWII Geography | 0 | - | 4.81 | 119,790 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,236 |
| WWII Figures by Picture | 0 | - | 4.89 | 62,626 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,422 |
| Cold War Trivia #1 | 0 | - | 4.41 | 57,090 |
| Events in History #3 | 0 | - | 4.40 | 71,538 |
| Events in History #1 | 0 | - | 4.34 | 157,454 |
| Events in Ancient History | 0 | - | 4.50 | 35,822 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,596 |
| Deaths by Date and Cause #1 | 0 | - | 4.38 | 95,023 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 67,602 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 487,488 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 710,714 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,772 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,127 |
| This Day in History - April | 0 | - | 4.40 | 44,421 |
| This Day in History - May | 0 | - | 4.33 | 48,293 |
| This Day in History - June | 0 | - | 4.36 | 33,461 |
| This Day in History - November | 0 | - | 4.24 | 33,564 |
| This Day in History - December | 0 | - | 4.32 | 40,484 |
| This Day in History - February | 0 | - | 4.38 | 39,735 |
| Roman History by Picture | 0 | - | 4.46 | 26,386 |
| The 19th Century | 0 | - | 4.53 | 67,960 |
| The 18th Century | 0 | - | 4.52 | 53,175 |
| The 16th Century | 0 | - | 4.77 | 58,788 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,586 |
| The 21st Century | 0 | - | 4.48 | 105,539 |
| History Multiple Choice #1 | 0 | - | 4.46 | 81,682 |
| Years in History #2 - Multiple Choice | 0 | - | 4.43 | 41,511 |
| History Multiple Choice #2 | 0 | - | 4.43 | 49,900 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,618 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,349 |
| Name the English Monarchs | 0 | - | 4.92 | 499,765 |
| Dark Ages History | 0 | - | 4.42 | 32,704 |
| 30 Historical People You Probably Don't Know | 0 | - | 4.36 | 60,897 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,353 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,653 |
