| Prime Ministers of the UK | 0 | - | 4.96 | 436,505 |
| Dictators by Picture | 0 | - | 4.18 | 48,994 |
| Political Figures by Last Name #1 | 0 | - | 4.55 | 67,660 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,274 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,263 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,780 |
| Famous Dictators #1 | 0 | - | 4.69 | 199,168 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,291 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,126 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,307 |
| Historical Rulers #1 | 0 | - | 4.35 | 118,648 |
| Words for Leaders | 0 | - | 4.77 | 255,946 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 109,790 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,248 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.48 | 15,800 |
| Spouses of World Leaders | 0 | - | 4.18 | 12,302 |
| World Leaders Quiz #2 | 0 | - | 4.00 | 35,739 |
| UN Secretaries-General | 0 | - | 4.40 | 7,777 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 24,917 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,575 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,363 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,027 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 85,954 |
| Divided Country Shape Puzzle #1 | 0 | - | 4.87 | 53,071 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,111 |
| Empires by Maps | 0 | - | 4.98 | 119,263 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,197 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,583 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,617 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,710 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,442 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,224 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,016 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,610 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,645 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 153,322 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 42,198 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 126,923 |
| Political Figures by Last Name #2 | 0 | - | 3.88 | 16,653 |
| World Leaders of the World Wars | 0 | - | 4.35 | 37,743 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.20 | 48,282 |
| Metals of Antiquity | 0 | - | 4.94 | 93,112 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,409 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,759 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,666 |
| The Dictator Files: Fidel Castro | 0 | - | 4.19 | 12,282 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,545 |
| Countries of the Popes | 0 | - | 4.79 | 127,572 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 705,678 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,826 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,012 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,138 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,114 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,490 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.20 | 10,831 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,752 |
| Influential Women in History | 0 | - | 4.42 | 35,291 |
| Cradles of Civilization | 0 | - | 4.46 | 39,364 |
| Materials From History #1 | 0 | - | 4.56 | 51,324 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,373 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,872 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,388 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,510 |
| Famous Explorers | 0 | - | 4.58 | 36,046 |
| Famous Empires by Description | 0 | - | 4.73 | 118,150 |
| Answers by Time Period | 0 | - | 4.64 | 55,410 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,134 |
| NATO Countries | 0 | - | 4.98 | 277,948 |
| EU Countries Quiz | 0 | - | 4.99 | 271,494 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,843 |
| Country Picture Puzzle Game #2 | 0 | - | 4.54 | 55,138 |
| Country Picture Puzzle Game #3 | 0 | - | 4.44 | 41,990 |
| Divided Country Shape Puzzle #2 | 0 | - | 4.57 | 33,354 |
| NFL Football Team Logos | 0 | - | 4.90 | 624,255 |
| Former Flags | 0 | - | 4.97 | 107,146 |
| Years in History by Picture | 0 | - | 4.44 | 35,297 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,405 |
| Materials From History #2 | 0 | - | 4.59 | 31,388 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,733 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,375 |
| Cold War Decoder | 0 | - | 4.83 | 52,109 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,355 |
| Events in History #2 | 0 | - | 4.49 | 71,551 |
| Events in History #4 | 0 | - | 4.44 | 44,194 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,732 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,897 |
| Assassinations in History | 0 | - | 4.21 | 66,081 |
| Famous Seconds | 0 | - | 4.22 | 46,488 |
| Ages and Eras | 0 | - | 4.38 | 67,579 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,440 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,701 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,103 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,899 |
| Female Historical Figures | 0 | - | 4.27 | 33,177 |
| Historical Blunders | 0 | - | 4.34 | 91,805 |
| Territorial Accessions | 0 | - | 4.39 | 34,705 |
| People Known as "The Great" | 0 | - | 4.46 | 24,589 |
| This Day in History - July | 0 | - | 4.49 | 36,410 |
| This Day in History - August | 0 | - | 4.42 | 43,305 |
| This Day in History - September | 0 | - | 4.55 | 57,344 |
| This Day in History - October | 0 | - | 4.49 | 37,582 |
| This Day in History - January | 0 | - | 4.50 | 46,632 |
| This Day in History - March | 0 | - | 4.45 | 43,583 |
| Ancient Civilizations | 0 | - | 4.64 | 37,834 |
| The Places They Went #1 | 0 | - | 4.74 | 33,472 |
| Famous Inventors | 0 | - | 4.43 | 43,494 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,659 |
| European History for Dummies | 0 | - | 4.83 | 89,560 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,012,177 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,421 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 905,460 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 415,675 |
| World Map without 12 Countries | 0 | - | 4.97 | 343,283 |
| Every Country Shape | 0 | - | 5.00 | 461,574 |
| NHL Ice Hockey Team Logos | 0 | - | 4.89 | 185,494 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,751 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,198 |
| History Analogies #1 | 0 | - | 4.53 | 89,849 |
| History Analogies #2 | 0 | - | 4.49 | 77,087 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,325 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 65,051 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 51,983 |
| History Analogies #3 | 0 | - | 4.61 | 80,529 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,288 |
| Which Came First? | 0 | - | 4.37 | 74,589 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,397 |
| Random History by Country | 0 | - | 4.53 | 34,732 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,702 |
| Animals in World History | 0 | - | 4.74 | 44,344 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,461 |
| History True or False #3 | 0 | - | 4.43 | 56,532 |
| Pope Facts | 0 | - | 4.39 | 31,127 |
| A to Z: Legendary Creatures | 0 | - | 4.26 | 52,874 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,249 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,452 |
| Flags of WW1 | 0 | - | 4.60 | 38,144 |
| Cold War Trivia #1 | 0 | - | 4.41 | 57,098 |
| Events in History #3 | 0 | - | 4.40 | 71,554 |
| Events in History #1 | 0 | - | 4.34 | 157,470 |
| Events in Ancient History | 0 | - | 4.50 | 35,830 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,602 |
| Deaths by Date and Cause #1 | 0 | - | 4.38 | 95,033 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 67,620 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,799 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,150 |
| Political Quotes | 0 | - | 4.17 | 19,843 |
| This Day in History - April | 0 | - | 4.40 | 44,428 |
| This Day in History - May | 0 | - | 4.33 | 48,301 |
| This Day in History - June | 0 | - | 4.36 | 33,465 |
| This Day in History - November | 0 | - | 4.24 | 33,571 |
| This Day in History - December | 0 | - | 4.32 | 40,486 |
| This Day in History - February | 0 | - | 4.38 | 39,738 |
| The 19th Century | 0 | - | 4.53 | 67,968 |
| The 18th Century | 0 | - | 4.52 | 53,181 |
| The 16th Century | 0 | - | 4.77 | 58,791 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,590 |
| The 21st Century | 0 | - | 4.48 | 105,557 |
| Military History Vocabulary | 0 | - | 4.91 | 66,849 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,822 |
| History Multiple Choice #1 | 0 | - | 4.46 | 81,720 |
| Years in History #2 - Multiple Choice | 0 | - | 4.43 | 41,534 |
| History Multiple Choice #2 | 0 | - | 4.43 | 49,926 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,638 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,365 |
| Three Real and One Fake - World History | 0 | - | 4.44 | 38,278 |
| Dark Ages History | 0 | - | 4.42 | 32,708 |
| 30 Historical People You Probably Don't Know | 0 | - | 4.36 | 60,906 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,448 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,798 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,673 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,641 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 295,132 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 224,844 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 163,445 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 172,323 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 137,539 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 35,362 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.99 | 29,414 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 103,689 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 110,974 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,636 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,612 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,267 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,810 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,154 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,316 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,266,308 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 94,888 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 79,980 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,658 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 75,903 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 153,914 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,113 |
| Country Shapes Under the Sea | 0 | - | 5.00 | 77,391 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,792 |
| Countries Loading in the World Map | 0 | - | 4.97 | 53,494 |
| A Square of Merged Countries #1 | 0 | - | 4.88 | 59,207 |
| Country Shapes Slideshow | 0 | - | 4.84 | 39,312 |
| Country Shapes in my Burger | 0 | - | 4.95 | 54,375 |
| A Square of Merged Countries #2 | 0 | - | 4.97 | 41,226 |
