| English Monarchs Quiz | 0 | - | 4.91 | 447,176 |
| Rappers Real Names | 0 | - | 4.05 | 64,054 |
| "Second Best" History Edition | 0 | - | 4.94 | 46,354 |
| Famous Empires in History | 0 | - | 4.83 | 103,334 |
| Musicians Who Died Young | 0 | - | 4.38 | 95,352 |
| Former Countries by Territory Map | 0 | - | 4.97 | 85,741 |
| Empires by Maps | 0 | - | 4.98 | 94,351 |
| Words for Leaders | 0 | - | 4.80 | 216,537 |
| Political Figures by Last Name #1 | 0 | - | 4.57 | 60,250 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 46,384 |
| Music by Year, 1990–2009 | 0 | - | 4.22 | 101,309 |
| Music by Year, 1970–1989 | 0 | - | 4.28 | 38,093 |
| Mulan - "I'll Make A Man Out Of You" Lyrics | 0 | - | 4.45 | 32,558 |
| Metals of Antiquity | 0 | - | 4.94 | 85,402 |
| Animals in World History | 0 | - | 4.82 | 40,169 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 39,792 |
| History: What Came First? #1 | 0 | - | 4.82 | 91,077 |
| World Leaders by Picture | 0 | - | 4.39 | 238,730 |
| Canadian Prime Ministers Quiz | 0 | - | 4.64 | 49,625 |
| Dictators by Picture | 0 | - | 4.24 | 44,398 |
| Mythical Creatures Quiz #1 | 0 | - | 4.91 | 655,746 |
| Countries Italy Declared War On | 0 | - | 4.79 | 39,955 |
| The Life of King David | 0 | - | 4.43 | 13,427 |
| A Quiz About Elvis Presley | 0 | - | 4.31 | 20,043 |
| Years in History #1 - Multiple Choice | 0 | - | 4.83 | 62,901 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.95 | 36,630 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 48,511 |
| Houses of British Monarchs | 0 | - | 4.50 | 52,107 |
| Top 10 Oldest African Countries | 0 | - | 4.84 | 22,976 |
| Countries by National Anthem | 0 | - | 4.95 | 61,840 |
| "A Whole New World" Lyrics | 0 | - | 4.25 | 61,470 |
| Rappers by Picture | 0 | - | 4.21 | 111,471 |
| Cradles of Civilization | 0 | - | 4.41 | 32,282 |
| Former Flags | 0 | - | 4.98 | 81,479 |
| Materials From History #1 | 0 | - | 4.54 | 44,904 |
| Historical Countries by Ruler | 0 | - | 4.45 | 39,253 |
| World Leaders of the World Wars | 0 | - | 4.40 | 34,400 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.19 | 40,693 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.76 | 58,353 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.47 | 13,900 |
| WWII First Names | 0 | - | 4.46 | 38,679 |
| Name a Valid Year in History | 0 | - | 4.92 | 53,083 |
| Biggest Nations and Empires Ever | 0 | - | 4.55 | 133,671 |
| Famous Explorers | 0 | - | 4.71 | 32,675 |
| Answers by Time Period | 0 | - | 4.49 | 42,632 |
| Territorial Accessions | 0 | - | 4.43 | 32,224 |
| Political Quotes Quiz | 0 | - | 4.08 | 18,979 |
| 19th Century A-Z | 0 | - | 4.82 | 34,306 |
| Military History Vocabulary | 0 | - | 4.92 | 60,106 |
| Battle to Country | 0 | - | 4.92 | 35,427 |
| The Reign of Napoleon | 0 | - | 4.53 | 36,104 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 25,101 |
| European History for Dummies | 0 | - | 4.82 | 64,725 |
| English Royal Consorts | 0 | - | 4.27 | 34,545 |
| The Reign of Queen Elizabeth I | 0 | - | 4.50 | 29,650 |
| British History A-Z | 0 | - | 4.47 | 39,511 |
| World Capitals in the Answer | 0 | - | 4.94 | 67,379 |
| Monarchies of Europe | 0 | - | 4.88 | 87,030 |
| Monarchies of Asia | 0 | - | 4.95 | 54,034 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 88,374 |
| Countries with the Most Christians | 0 | - | 4.93 | 107,447 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 98,178 |
| Least Christian Countries with Exceptions | 0 | - | 4.89 | 72,520 |
| Countries Mentioned in the Bible | 0 | - | 4.97 | 56,015 |
| Countries with the Most Catholics | 0 | - | 4.91 | 93,181 |
| Catholic Countries in Europe | 0 | - | 4.87 | 83,737 |
| Orthodox Countries | 0 | - | 4.91 | 117,120 |
| Divided World City Name Puzzle #1 | 0 | - | 4.91 | 39,860 |
| Body Parts in History and Culture | 0 | - | 4.48 | 32,800 |
| History Analogies #1 | 0 | - | 4.47 | 75,988 |
| History Analogies #2 | 0 | - | 4.51 | 64,456 |
| Current Events by Year, 1990–2009 | 0 | - | 4.76 | 144,261 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 61,547 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 49,540 |
| History Analogies #3 | 0 | - | 4.54 | 66,632 |
| Influential Women in History | 0 | - | 4.47 | 30,468 |
| People Born on Islands | 0 | - | 4.43 | 40,109 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.71 | 53,846 |
| Spanish History A-Z | 0 | - | 4.30 | 11,291 |
| Italian History A-Z | 0 | - | 4.11 | 8,861 |
| Historical Events - AD or BC? | 0 | - | 4.75 | 52,080 |
| History of Israel | 0 | - | 4.13 | 9,907 |
| Materials From History #2 | 0 | - | 4.58 | 24,876 |
| States of the German Confederation in 1848 | 0 | - | 4.83 | 26,533 |
| Valid Answer - World History #1 | 0 | - | 4.59 | 42,657 |
| People - Real or Fictional? | 0 | - | 4.52 | 52,739 |
| Places - Real or Fictional? | 0 | - | 4.56 | 45,723 |
| History True or False #3 | 0 | - | 4.53 | 36,675 |
| Political Figures by Last Name #2 | 0 | - | 4.08 | 14,725 |
| Spouses of World Leaders | 0 | - | 4.13 | 11,604 |
| First Names of Recent World Leaders | 0 | - | 4.28 | 22,855 |
| Prime Ministers of the UK | 0 | - | 4.95 | 381,322 |
| The Trojan War | 0 | - | 4.81 | 35,957 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 85,453 |
| Mythology A-Z | 0 | - | 4.28 | 34,029 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 208,087 |
| WWII Geography | 0 | - | 4.81 | 99,419 |
| Normandy D-Day Beaches | 0 | - | 4.81 | 36,593 |
| WWII Figures by Picture | 0 | - | 4.88 | 40,349 |
| Countries in World War I | 0 | - | 4.89 | 209,681 |
| Territory Changes in World War I | 0 | - | 4.87 | 40,244 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 87,415 |
| 20th Century Dates Quiz | 0 | - | 4.53 | 37,915 |
| Events in History #2 | 0 | - | 4.47 | 66,886 |
| Events in History #4 | 0 | - | 4.43 | 40,988 |
| Events in Ancient History | 0 | - | 4.49 | 32,022 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.18 | 46,523 |
| Assassinations in History Quiz | 0 | - | 4.17 | 63,107 |
| Famous Seconds Quiz | 0 | - | 4.21 | 44,579 |
| Ages and Eras Quiz | 0 | - | 4.36 | 64,482 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.21 | 38,328 |
| Titled People Quiz #1 | 0 | - | 4.14 | 43,862 |
| Titled People Quiz #3 | 0 | - | 4.33 | 41,325 |
| Job Titles Quiz #1 | 0 | - | 4.23 | 73,540 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.47 | 443,552 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.41 | 645,755 |
| Famous Firsts #1 | 0 | - | 4.42 | 65,759 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 66,210 |
| Invasions | 0 | - | 4.71 | 89,383 |
| Historical Blunders | 0 | - | 4.32 | 86,734 |
| First Names of Historical Figures #1 | 0 | - | 4.41 | 216,296 |
| Deadliest U.S. Wars | 0 | - | 4.83 | 158,114 |
| This Day in History - April | 0 | - | 4.42 | 43,320 |
| This Day in History - July | 0 | - | 4.48 | 35,075 |
| This Day in History - August | 0 | - | 4.41 | 41,758 |
| This Day in History - September | 0 | - | 4.54 | 54,866 |
| This Day in History - October | 0 | - | 4.49 | 36,294 |
| This Day in History - January | 0 | - | 4.53 | 44,419 |
| This Day in History - February | 0 | - | 4.41 | 38,376 |
| This Day in History - March | 0 | - | 4.44 | 41,924 |
| The 7 Wonders of the Ancient World | 0 | - | 4.79 | 65,627 |
| Ancient Civilizations | 0 | - | 4.55 | 34,620 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 71,725 |
| Roman Emperors | 0 | - | 4.95 | 95,935 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 584,502 |
| The 19th Century | 0 | - | 4.47 | 53,580 |
| The 18th Century | 0 | - | 4.49 | 42,250 |
| The 16th Century | 0 | - | 4.71 | 49,339 |
| The 21st Century | 0 | - | 4.50 | 92,514 |
| The Places They Went #1 | 0 | - | 4.77 | 32,380 |
| History by Picture - N | 0 | - | 4.41 | 36,463 |
| Famous Inventors | 0 | - | 4.44 | 42,433 |
| History Multiple Choice #1 | 0 | - | 4.43 | 75,880 |
| History Multiple Choice #2 | 0 | - | 4.42 | 46,824 |
| History Multiple Choice #4 | 0 | - | 4.41 | 47,184 |
| History Multiple Choice #3 | 0 | - | 4.45 | 45,791 |
| Three Real and One Fake - World History | 0 | - | 4.41 | 35,047 |
| The Reign of Henry VIII | 0 | - | 4.24 | 26,288 |
| British Royal Titles | 0 | - | 4.25 | 18,485 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.29 | 23,359 |
| The Reign of Queen Elizabeth II | 0 | - | 4.38 | 33,749 |
| Kings of France Quiz | 0 | - | 4.15 | 30,219 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.14 | 942,229 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.82 | 9,912 |
| #1 Hits of the 1980s | 0 | - | 4.84 | 135,500 |
| Phineas and Ferb Theme Song Lyrics | 0 | - | 4.38 | 86,162 |
| Star Wars Quotes | 0 | - | 4.84 | 157,296 |
| Top 10 Coldest European Countries | 0 | - | 4.95 | 180,803 |
| Top 10 Hottest European Countries | 0 | - | 4.87 | 115,547 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 116,463 |
| Top 100 Greatest NBA Players | 0 | - | 4.41 | 610,269 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.90 | 32,412 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,115,435 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 64,876 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.88 | 68,265 |
| Top 10 Richest Countries in Asia | 0 | - | 4.87 | 80,973 |
| Top 10 Richest Countries in Africa | 0 | - | 4.87 | 67,792 |
| Top 10 Richest Countries in Europe | 0 | - | 4.88 | 135,284 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 178,864 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 109,585 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 101,799 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 81,397 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 61,480 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 67,579 |
| Divided World City Name Puzzle #2 | 0 | - | 4.91 | 29,411 |
| Click a Valid Country A-Z | 0 | - | 4.97 | 415,687 |
| Name a World Capital A-Z | 0 | - | 4.99 | 141,011 |
| Click a Valid World Capital A-Z | 0 | - | 4.87 | 71,314 |
| Largest City on Every Continent A-Z | 0 | - | 4.96 | 32,274 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.90 | 285,617 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 91,318 |
| Most Guessed European Capitals | 0 | - | 4.89 | 96,472 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 40,677 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.89 | 114,729 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 200,879 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.86 | 67,949 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 142,872 |
| Category Elimination - European Countries #1 | 0 | - | 4.87 | 76,684 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.90 | 92,811 |
| Category Elimination - African Geography #1 | 0 | - | 4.89 | 79,647 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 82,234 |
| European Capital Superlatives - Top 2 | 0 | - | 4.93 | 61,685 |
| History General Knowledge #13 | 0 | - | 4.68 | 23,930 |
| Current Events by Year, 1950–1969 | 0 | - | 4.37 | 44,396 |
| Current Events by Year, 1910–1929 | 0 | - | 4.28 | 45,445 |
| Groups of Things - History #1 | 0 | - | 4.37 | 86,394 |
| Groups of Things - History #2 | 0 | - | 4.39 | 74,606 |
| Historical Leaders by Date #1 | 0 | - | 4.50 | 28,259 |
| Historical Leaders by Date #2 | 0 | - | 4.54 | 27,164 |
| History Analogies #4 | 0 | - | 4.17 | 50,656 |
