| World Leaders by Picture | 0 | - | 4.36 | 263,536 |
| Words for Leaders | 0 | - | 4.77 | 255,268 |
| Dictators by Picture | 0 | - | 4.18 | 48,890 |
| Political Figures by Last Name #1 | 0 | - | 4.55 | 67,472 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,141 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,072 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,899 |
| Famous Dictators #1 | 0 | - | 4.69 | 198,843 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,232 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,071 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,222 |
| Historical Rulers #1 | 0 | - | 4.35 | 118,504 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 109,666 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,361 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,124 |
| "Second Best" History Edition | 0 | - | 4.93 | 61,908 |
| Spouses of World Leaders | 0 | - | 4.18 | 12,285 |
| World Leaders Quiz #2 | 0 | - | 4.00 | 35,665 |
| World Leaders of the World Wars | 0 | - | 4.35 | 37,661 |
| UN Secretaries-General | 0 | - | 4.40 | 7,767 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 24,863 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.18 | 47,769 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,548 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.48 | 15,764 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,550 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,701 |
| Name the English Monarchs | 0 | - | 4.92 | 498,241 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,640 |
| Empires by Maps | 0 | - | 4.98 | 118,622 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,131 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,261 |
| Political Quotes | 0 | - | 4.17 | 19,810 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,108 |
| Metals of Antiquity | 0 | - | 4.94 | 92,942 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,209 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,237 |
| Political Figures by Last Name #2 | 0 | - | 3.88 | 16,606 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,660 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,679 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,759 |
| Influential Women in History | 0 | - | 4.42 | 35,080 |
| Cradles of Civilization | 0 | - | 4.46 | 39,144 |
| Materials From History #1 | 0 | - | 4.56 | 50,729 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,167 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,006 |
| The Dictator Files: Fidel Castro | 0 | - | 4.19 | 12,263 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,218 |
| Countries of the Popes | 0 | - | 4.79 | 127,272 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,535 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,253 |
| Famous Explorers | 0 | - | 4.58 | 35,976 |
| Famous Empires by Description | 0 | - | 4.73 | 117,948 |
| Answers by Time Period | 0 | - | 4.63 | 55,292 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,078 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,467 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.20 | 10,814 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,474 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,581 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 93,582 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,992 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.95 | 40,711 |
| NATO Countries | 0 | - | 4.98 | 276,071 |
| EU Countries Quiz | 0 | - | 4.99 | 270,162 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,758 |
| NFL Football Team Logos | 0 | - | 4.91 | 621,637 |
| Former Flags | 0 | - | 4.97 | 106,759 |
| Years in History by Picture | 0 | - | 4.44 | 35,131 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,213 |
| Materials From History #2 | 0 | - | 4.59 | 30,984 |
| Cold War Decoder | 0 | - | 4.83 | 51,957 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,326 |
| Events in History #2 | 0 | - | 4.49 | 71,449 |
| Events in History #4 | 0 | - | 4.44 | 44,117 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,458 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,834 |
| Assassinations in History | 0 | - | 4.21 | 65,977 |
| Famous Seconds | 0 | - | 4.22 | 46,401 |
| Ages and Eras | 0 | - | 4.38 | 67,478 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,408 |
| Titled People Quiz #1 | 0 | - | 4.10 | 45,626 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,046 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,834 |
| Female Historical Figures | 0 | - | 4.27 | 33,114 |
| Historical Blunders | 0 | - | 4.33 | 91,709 |
| Territorial Accessions | 0 | - | 4.38 | 34,646 |
| People Known as "The Great" | 0 | - | 4.46 | 24,536 |
| This Day in History - July | 0 | - | 4.49 | 36,374 |
| This Day in History - August | 0 | - | 4.42 | 43,258 |
| This Day in History - September | 0 | - | 4.55 | 57,274 |
| This Day in History - October | 0 | - | 4.49 | 37,555 |
| This Day in History - January | 0 | - | 4.53 | 46,579 |
| This Day in History - March | 0 | - | 4.45 | 43,548 |
| Ancient Civilizations | 0 | - | 4.63 | 37,772 |
| The Places They Went #1 | 0 | - | 4.74 | 33,450 |
| Famous Inventors | 0 | - | 4.43 | 43,464 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,504 |
| European History for Dummies | 0 | - | 4.83 | 89,349 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,319 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,011,114 |
| U.S. States by Governor | 0 | - | 4.43 | 17,985 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,582 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,557 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 54,977 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 904,423 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 414,984 |
| World Map without 12 Countries | 0 | - | 4.97 | 342,495 |
| Every Country Shape | 0 | - | 5.00 | 459,279 |
| NHL Ice Hockey Team Logos | 0 | - | 4.89 | 184,127 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,542 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,975 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,706 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,132 |
| History Analogies #1 | 0 | - | 4.53 | 89,790 |
| History Analogies #2 | 0 | - | 4.49 | 77,012 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,161 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 64,967 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 51,935 |
| History Analogies #3 | 0 | - | 4.61 | 80,447 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,173 |
| Which Came First? | 0 | - | 4.37 | 74,419 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,108 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,561 |
| Random History by Country | 0 | - | 4.53 | 34,673 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,571 |
| Animals in World History | 0 | - | 4.74 | 44,234 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,375 |
| History True or False #3 | 0 | - | 4.43 | 55,950 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,324 |
| A to Z: Legendary Creatures | 0 | - | 4.26 | 52,772 |
| WWII First Names | 0 | - | 4.44 | 41,577 |
| Cold War Trivia #1 | 0 | - | 4.41 | 56,976 |
| Events in History #3 | 0 | - | 4.40 | 71,465 |
| Events in History #1 | 0 | - | 4.34 | 157,302 |
| Events in Ancient History | 0 | - | 4.50 | 35,735 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,544 |
| Deaths by Date and Cause #1 | 0 | - | 4.37 | 94,911 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 67,501 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,579 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,938 |
| This Day in History - April | 0 | - | 4.40 | 44,395 |
| This Day in History - May | 0 | - | 4.33 | 48,259 |
| This Day in History - June | 0 | - | 4.36 | 33,436 |
| This Day in History - November | 0 | - | 4.24 | 33,535 |
| This Day in History - December | 0 | - | 4.32 | 40,454 |
| This Day in History - February | 0 | - | 4.38 | 39,705 |
| The 19th Century | 0 | - | 4.53 | 67,890 |
| The 18th Century | 0 | - | 4.52 | 53,127 |
| The 16th Century | 0 | - | 4.77 | 58,742 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,541 |
| The 21st Century | 0 | - | 4.48 | 105,328 |
| Military History Vocabulary | 0 | - | 4.91 | 66,680 |
| Battle to Country | 0 | - | 4.91 | 52,572 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,729 |
| The Life of King David | 0 | - | 4.37 | 14,063 |
| History Multiple Choice #1 | 0 | - | 4.46 | 81,540 |
| Years in History #2 - Multiple Choice | 0 | - | 4.43 | 41,426 |
| History Multiple Choice #2 | 0 | - | 4.43 | 49,820 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,555 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,270 |
| Three Real and One Fake - World History | 0 | - | 4.44 | 38,198 |
| English Royal Consorts | 0 | - | 4.37 | 37,186 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,623 |
| British History A-Z #1 | 0 | - | 4.45 | 46,004 |
| Kings of France Quiz | 0 | - | 4.20 | 32,570 |
| Dark Ages History | 0 | - | 4.42 | 32,681 |
| 30 Historical People You Probably Don't Know | 0 | - | 4.36 | 60,833 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,624 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,405 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,184 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,556 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 294,588 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 224,367 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 162,614 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 171,436 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 137,101 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 34,566 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 103,392 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 110,714 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,323 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,348 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,071 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,608 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,079 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 94,656 |
| Country Shapes Under the Sea | 0 | - | 5.00 | 77,214 |
| A Square of Merged Countries #1 | 0 | - | 4.87 | 59,001 |
| Country Shapes Slideshow | 0 | - | 4.84 | 39,169 |
| Country Shapes in my Burger | 0 | - | 4.95 | 54,149 |
| A Square of Merged Countries #2 | 0 | - | 4.97 | 41,042 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,465 |
| Flags to Capitals #1 | 0 | - | 4.96 | 57,918 |
| Flags to Capitals #2 | 0 | - | 4.95 | 43,962 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,340 |
| Monarchies of Europe | 0 | - | 4.90 | 97,372 |
| Monarchies of Asia | 0 | - | 4.97 | 70,631 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,739 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,653 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 66,122 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,111 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,272 |
