| Name the English Monarchs | 0 | - | 4.92 | 498,198 |
| Rappers Real Names | 0 | - | 4.08 | 68,968 |
| Musicians Who Died Young | 0 | - | 4.39 | 107,507 |
| "Second Best" History Edition | 0 | - | 4.93 | 61,893 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,630 |
| Empires by Maps | 0 | - | 4.98 | 118,602 |
| Words for Leaders | 0 | - | 4.77 | 255,252 |
| Political Figures by Last Name #1 | 0 | - | 4.55 | 67,467 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,256 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,104 |
| Music by Year, 1990–2009 | 0 | - | 4.20 | 109,414 |
| Music by Year, 1970–1989 | 0 | - | 4.31 | 40,962 |
| Mulan - "I'll Make A Man Out Of You" Lyrics | 0 | - | 4.61 | 39,030 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,468 |
| Metals of Antiquity | 0 | - | 4.94 | 92,941 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,205 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,230 |
| World Leaders by Picture | 0 | - | 4.36 | 263,514 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,068 |
| Dictators by Picture | 0 | - | 4.18 | 48,887 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,511 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,986 |
| A Quiz About Elvis Presley | 0 | - | 4.33 | 21,162 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,678 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.95 | 40,709 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 54,885 |
| All Modern-Day Countries Ever Controlled by the British | 0 | - | 4.81 | 49,400 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,314 |
| Countries by National Anthem | 0 | - | 4.93 | 71,038 |
| "A Whole New World" Lyrics | 0 | - | 4.31 | 67,350 |
| Rappers by Picture | 0 | - | 4.22 | 132,871 |
| Influential Women in History | 0 | - | 4.42 | 35,065 |
| Cradles of Civilization | 0 | - | 4.46 | 39,134 |
| Former Flags | 0 | - | 4.97 | 106,751 |
| Materials From History #1 | 0 | - | 4.56 | 50,645 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,154 |
| Historic Orient Express Routes Map | 0 | - | 5.00 | 52,983 |
| World Leaders of the World Wars | 0 | - | 4.35 | 37,660 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.18 | 47,743 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,355 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.48 | 15,761 |
| WWII First Names | 0 | - | 4.44 | 41,576 |
| Cold War Decoder | 0 | - | 4.83 | 51,950 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,450 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,244 |
| Famous Explorers | 0 | - | 4.58 | 35,972 |
| Famous Empires by Description | 0 | - | 4.70 | 117,937 |
| Answers by Time Period | 0 | - | 4.63 | 55,288 |
| Political Quotes | 0 | - | 4.17 | 19,808 |
| Military History Vocabulary | 0 | - | 4.91 | 66,677 |
| Battle to Country | 0 | - | 4.91 | 52,565 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,723 |
| The Life of King David | 0 | - | 4.37 | 14,063 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,501 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,292 |
| European History for Dummies | 0 | - | 4.82 | 89,344 |
| English Royal Consorts | 0 | - | 4.37 | 37,182 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,621 |
| British History A-Z #1 | 0 | - | 4.45 | 45,979 |
| Kings of France Quiz | 0 | - | 4.20 | 32,569 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,335 |
| Monarchies of Europe | 0 | - | 4.90 | 97,366 |
| Monarchies of Asia | 0 | - | 4.97 | 70,621 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,736 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,531 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,641 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,967 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 66,112 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,101 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,267 |
| Orthodox Countries | 0 | - | 4.91 | 130,444 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,123 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,488 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 333,085 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,449 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,130 |
| History Analogies #1 | 0 | - | 4.53 | 89,790 |
| History Analogies #2 | 0 | - | 4.49 | 77,010 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,159 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 64,966 |
| 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 | 58,171 |
| Spanish History A-Z | 0 | - | 4.37 | 19,105 |
| Italian History A-Z | 0 | - | 4.21 | 17,461 |
| Years in History by Picture | 0 | - | 4.44 | 35,126 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,209 |
| Materials From History #2 | 0 | - | 4.59 | 30,925 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,548 |
| Random History by Country | 0 | - | 4.53 | 34,672 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,566 |
| Animals in World History | 0 | - | 4.74 | 44,232 |
| People - Real or Fictional? | 0 | - | 4.56 | 58,489 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,371 |
| History True or False #3 | 0 | - | 4.43 | 55,946 |
| Spouses of World Leaders | 0 | - | 4.18 | 12,285 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 24,861 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,859 |
| The Trojan War | 0 | - | 4.83 | 39,453 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,623 |
| Mythology A-Z | 0 | - | 4.31 | 37,012 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,475 |
| WWII Geography | 0 | - | 4.81 | 119,393 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,125 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,566 |
| Countries in World War I | 0 | - | 4.88 | 226,672 |
| Territory Changes in World War I | 0 | - | 4.86 | 46,249 |
| Cold War Trivia #1 | 0 | - | 4.41 | 56,971 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 93,576 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,326 |
| Events in History #2 | 0 | - | 4.49 | 71,448 |
| Events in History #4 | 0 | - | 4.44 | 44,117 |
| Events in Ancient History | 0 | - | 4.50 | 35,732 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,830 |
| Assassinations in History | 0 | - | 4.21 | 65,974 |
| Famous Seconds | 0 | - | 4.22 | 46,401 |
| Ages and Eras | 0 | - | 4.38 | 67,476 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,406 |
| Titled People Quiz #1 | 0 | - | 4.10 | 45,622 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,043 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,831 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 486,638 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 709,752 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,578 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,935 |
| Female Historical Figures | 0 | - | 4.31 | 33,111 |
| Historical Blunders | 0 | - | 4.33 | 91,704 |
| Territorial Accessions | 0 | - | 4.38 | 34,645 |
| People Known as "The Great" | 0 | - | 4.46 | 24,534 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,331 |
| 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 | 57,272 |
| 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 | 37,769 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,080 |
| Roman Emperors | 0 | - | 4.95 | 118,553 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,239 |
| Name that Greek Letter | 0 | - | 4.94 | 321,773 |
| The 19th Century | 0 | - | 4.53 | 67,890 |
| The 18th Century | 0 | - | 4.52 | 53,126 |
| The 16th Century | 0 | - | 4.77 | 58,742 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,540 |
| The 21st Century | 0 | - | 4.48 | 105,321 |
| The Places They Went #1 | 0 | - | 4.74 | 33,449 |
| Famous Inventors | 0 | - | 4.43 | 43,463 |
| History Multiple Choice #1 | 0 | - | 4.46 | 81,537 |
| Years in History #2 - Multiple Choice | 0 | - | 4.43 | 41,423 |
| History Multiple Choice #2 | 0 | - | 4.43 | 49,817 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,551 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,270 |
| Three Real and One Fake - World History | 0 | - | 4.44 | 38,195 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,620 |
| British Royal Titles | 0 | - | 4.18 | 19,866 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,432 |
| The Reign of Queen Elizabeth II | 0 | - | 4.35 | 35,688 |
| Dark Ages History | 0 | - | 4.42 | 32,681 |
| German History A-Z | 0 | - | 4.49 | 24,318 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,011,087 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,601 |
| #1 Hits of the 1980s | 0 | - | 4.86 | 147,575 |
| Phineas and Ferb Theme Song Lyrics | 0 | - | 4.38 | 91,796 |
| Star Wars Quotes | 0 | - | 4.84 | 173,507 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,288 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,151 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,511 |
| Top 100 Greatest NBA Players | 0 | - | 4.42 | 685,767 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.89 | 50,581 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,403,184 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,133 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,128 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,197 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,198 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,319 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,401 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,285 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,127 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,118 |
| Countries in a Penrose Tiling of the World Map | 0 | - | 4.95 | 55,991 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,550 |
| Hindu Countries | 0 | - | 4.86 | 49,611 |
| Click a Valid Country A-Z | 0 | - | 4.97 | 521,859 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,040 |
| Click a Valid World Capital A-Z | 0 | - | 4.83 | 89,227 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 37,748 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 105,031 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,215 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,847 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,578 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,662 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,567 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,264 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,014 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,771 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,141 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,615 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,698 |
| History Multiple Choice #6 | 0 | - | 4.46 | 17,937 |
