| Prime Ministers of the UK | 0 | - | 4.96 | 436,470 |
| Dictators by Picture | 0 | - | 4.18 | 48,992 |
| Political Figures by Last Name #1 | 0 | - | 4.55 | 67,657 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,271 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,258 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,779 |
| Famous Dictators #1 | 0 | - | 4.69 | 199,155 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,291 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,124 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,306 |
| Historical Rulers #1 | 0 | - | 4.35 | 118,643 |
| Words for Leaders | 0 | - | 4.77 | 255,937 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 109,786 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,244 |
| 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 | 7,777 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 24,915 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,573 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,358 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,027 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 85,950 |
| Divided Country Shape Puzzle #1 | 0 | - | 4.87 | 53,068 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,103 |
| Empires by Maps | 0 | - | 4.98 | 119,259 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,197 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,579 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,614 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,709 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,439 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,221 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,014 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,609 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,641 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 153,317 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 42,192 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 126,921 |
| Political Figures by Last Name #2 | 0 | - | 3.88 | 16,653 |
| World Leaders of the World Wars | 0 | - | 4.35 | 37,741 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.20 | 48,274 |
| Metals of Antiquity | 0 | - | 4.94 | 93,109 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,406 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,745 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,664 |
| The Dictator Files: Fidel Castro | 0 | - | 4.19 | 12,279 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,542 |
| Countries of the Popes | 0 | - | 4.79 | 127,567 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 705,647 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,825 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,004 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,136 |
| 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 | 10,830 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,745 |
| Influential Women in History | 0 | - | 4.42 | 35,284 |
| Cradles of Civilization | 0 | - | 4.46 | 39,360 |
| Materials From History #1 | 0 | - | 4.56 | 51,320 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,371 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,872 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,386 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,501 |
| Famous Explorers | 0 | - | 4.58 | 36,045 |
| Famous Empires by Description | 0 | - | 4.73 | 118,148 |
| Answers by Time Period | 0 | - | 4.64 | 55,409 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,130 |
| NATO Countries | 0 | - | 4.98 | 277,913 |
| EU Countries Quiz | 0 | - | 4.99 | 271,460 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,843 |
| Country Picture Puzzle Game #2 | 0 | - | 4.54 | 55,135 |
| Country Picture Puzzle Game #3 | 0 | - | 4.44 | 41,988 |
| Divided Country Shape Puzzle #2 | 0 | - | 4.57 | 33,351 |
| NFL Football Team Logos | 0 | - | 4.90 | 624,222 |
| Former Flags | 0 | - | 4.97 | 107,139 |
| Years in History by Picture | 0 | - | 4.44 | 35,294 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,400 |
| Materials From History #2 | 0 | - | 4.59 | 31,387 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,731 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,374 |
| Cold War Decoder | 0 | - | 4.83 | 52,106 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,354 |
| Events in History #2 | 0 | - | 4.49 | 71,549 |
| Events in History #4 | 0 | - | 4.44 | 44,192 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,725 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,897 |
| Assassinations in History | 0 | - | 4.21 | 66,079 |
| Famous Seconds | 0 | - | 4.22 | 46,488 |
| Ages and Eras | 0 | - | 4.38 | 67,577 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,438 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,699 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,103 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,899 |
| Female Historical Figures | 0 | - | 4.27 | 33,174 |
| Historical Blunders | 0 | - | 4.34 | 91,803 |
| 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 | 36,409 |
| This Day in History - August | 0 | - | 4.42 | 43,302 |
| This Day in History - September | 0 | - | 4.55 | 57,342 |
| This Day in History - October | 0 | - | 4.49 | 37,581 |
| This Day in History - January | 0 | - | 4.50 | 46,632 |
| This Day in History - March | 0 | - | 4.45 | 43,582 |
| Ancient Civilizations | 0 | - | 4.64 | 37,833 |
| 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 | 24,656 |
| European History for Dummies | 0 | - | 4.83 | 89,558 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,012,158 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,421 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 905,439 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 415,667 |
| World Map without 12 Countries | 0 | - | 4.97 | 343,263 |
| Every Country Shape | 0 | - | 5.00 | 461,509 |
| NHL Ice Hockey Team Logos | 0 | - | 4.89 | 185,460 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,748 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,198 |
| History Analogies #1 | 0 | - | 4.53 | 89,848 |
| History Analogies #2 | 0 | - | 4.49 | 77,086 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,319 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 65,049 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 51,981 |
| History Analogies #3 | 0 | - | 4.61 | 80,527 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,288 |
| Which Came First? | 0 | - | 4.37 | 74,580 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,393 |
| Random History by Country | 0 | - | 4.53 | 34,730 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,699 |
| Animals in World History | 0 | - | 4.74 | 44,339 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,457 |
| History True or False #3 | 0 | - | 4.43 | 56,513 |
| Pope Facts | 0 | - | 4.39 | 31,127 |
| A to Z: Legendary Creatures | 0 | - | 4.26 | 52,873 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,248 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,446 |
| Flags of WW1 | 0 | - | 4.60 | 38,140 |
| Cold War Trivia #1 | 0 | - | 4.41 | 57,097 |
| Events in History #3 | 0 | - | 4.40 | 71,552 |
| Events in History #1 | 0 | - | 4.34 | 157,467 |
| 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 | 95,030 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 67,619 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,795 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,148 |
| Political Quotes | 0 | - | 4.17 | 19,842 |
| This Day in History - April | 0 | - | 4.40 | 44,424 |
| This Day in History - May | 0 | - | 4.33 | 48,300 |
| 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 | 40,486 |
| This Day in History - February | 0 | - | 4.38 | 39,736 |
| The 19th Century | 0 | - | 4.53 | 67,965 |
| The 18th Century | 0 | - | 4.52 | 53,180 |
| The 16th Century | 0 | - | 4.77 | 58,791 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,590 |
| The 21st Century | 0 | - | 4.48 | 105,554 |
| Military History Vocabulary | 0 | - | 4.91 | 66,846 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,821 |
| History Multiple Choice #1 | 0 | - | 4.46 | 81,714 |
| Years in History #2 - Multiple Choice | 0 | - | 4.43 | 41,529 |
| History Multiple Choice #2 | 0 | - | 4.43 | 49,925 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,637 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,364 |
| Three Real and One Fake - World History | 0 | - | 4.44 | 38,275 |
| Dark Ages History | 0 | - | 4.42 | 32,707 |
| 30 Historical People You Probably Don't Know | 0 | - | 4.36 | 60,903 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,437 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,791 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,668 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,637 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 295,124 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 224,832 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 163,436 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 172,311 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 137,532 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 35,338 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.99 | 29,385 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 103,680 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 110,969 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,631 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,607 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,260 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,804 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,149 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,310 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,265,526 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 94,886 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 79,973 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,653 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 75,900 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 153,907 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,105 |
| Country Shapes Under the Sea | 0 | - | 5.00 | 77,387 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,787 |
| Countries Loading in the World Map | 0 | - | 4.97 | 53,492 |
| A Square of Merged Countries #1 | 0 | - | 4.88 | 59,203 |
| Country Shapes Slideshow | 0 | - | 4.84 | 39,308 |
| Country Shapes in my Burger | 0 | - | 4.95 | 54,372 |
| A Square of Merged Countries #2 | 0 | - | 4.97 | 41,222 |