| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 78,042 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,313 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 86,074 |
| World Leaders of the World Wars | 0 | - | 4.36 | 37,893 |
| Countries in World War I | 0 | - | 4.88 | 228,416 |
| Countries in World War II | 0 | - | 4.54 | 914,456 |
| WWII First Names | 0 | - | 4.44 | 41,833 |
| Important Cities in WWII | 0 | - | 4.42 | 93,586 |
| All World Leaders 2026 | 0 | - | 4.94 | 20,457 |
| Words for Leaders | 0 | - | 4.77 | 257,700 |
| Political Figures by Last Name #1 | 0 | - | 4.56 | 68,168 |
| WWII for Dummies | 0 | - | 4.78 | 105,154 |
| Name the English Monarchs | 0 | - | 4.91 | 503,736 |
| Prime Ministers of the UK | 0 | - | 4.95 | 439,904 |
| Cities Bombed During WWII | 0 | - | 4.09 | 30,198 |
| Countries by Percent WWII Deaths | 0 | - | 4.07 | 30,069 |
| World Leaders by Picture | 0 | - | 4.36 | 265,744 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,612 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,561 |
| Famous Dictators #1 | 0 | - | 4.69 | 200,005 |
| Dictators by Picture | 0 | - | 4.18 | 49,240 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,493 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,302 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,534 |
| Historical Rulers #1 | 0 | - | 4.35 | 119,020 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 110,118 |
| World Leaders Quiz #2 | 0 | - | 4.01 | 35,904 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,859 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,017 |
| Spouses of World Leaders | 0 | - | 4.18 | 12,335 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 25,017 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.20 | 49,101 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,580 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.48 | 15,872 |
| Battle to Country | 0 | - | 4.91 | 53,494 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,928 |
| UN Secretaries-General | 0 | - | 4.40 | 7,813 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,996 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,644 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,112 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,740 |
| WWII Decoder | 0 | - | 4.41 | 53,635 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,029 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,643 |
| Name that Greek Letter | 0 | - | 4.93 | 324,108 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,402 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,838 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,748 |
| The Trojan War | 0 | - | 4.83 | 39,787 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,172 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,434 |
| WWI... or WWII? | 0 | - | 4.85 | 142,554 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,621 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 94,140 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,636 |
| Roman Emperors | 0 | - | 4.95 | 120,334 |
| British History A-Z #1 | 0 | - | 4.45 | 46,569 |
| "Second Best" History Edition | 0 | - | 4.94 | 63,402 |
| Political Figures by Last Name #2 | 0 | - | 3.90 | 16,774 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,326 |
| The Dictator Files: Fidel Castro | 0 | - | 4.19 | 12,346 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,395 |
| Countries of the Popes | 0 | - | 4.79 | 128,303 |
| The Vietnam War | 0 | - | 4.44 | 35,570 |
| Political Quotes | 0 | - | 4.17 | 19,909 |
| English Royal Consorts | 0 | - | 4.38 | 37,401 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,069 |
| Empires by Maps | 0 | - | 4.98 | 120,905 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,088 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 53,855 |
| The Life of Winston Churchill | 0 | - | 4.16 | 11,851 |
| Communist Countries in History | 0 | - | 4.63 | 496,399 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,465 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,872 |
| German History A-Z | 0 | - | 4.49 | 24,649 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,041 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,044 |
| Metals of Antiquity | 0 | - | 4.95 | 93,589 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,840 |
| History: What Came First? #1 | 0 | - | 4.87 | 105,478 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,699 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,487 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 708,372 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,851 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,526 |
| WWII True or False? | 0 | - | 4.56 | 57,680 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,783 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,986 |
| Roman Names for Places | 0 | - | 4.62 | 58,388 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,701 |
| Countries that Have Won the Most Battles | 0 | - | 4.02 | 39,643 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,383 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,200 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,995 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,103 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,441 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,789 |
| British Royal Titles | 0 | - | 4.18 | 19,964 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,525 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,478 |
| French History A-Z | 0 | - | 4.27 | 24,748 |
| NATO Countries | 0 | - | 4.98 | 281,435 |
| EU Countries Quiz | 0 | - | 4.99 | 275,385 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,028 |
| U.S. States by Governor | 0 | - | 4.43 | 18,078 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,714 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,705 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,449 |
| Name a Valid Answer - British History | 0 | - | 4.57 | 15,179 |
| Influential Women in History | 0 | - | 4.42 | 35,962 |
| Cradles of Civilization | 0 | - | 4.46 | 39,960 |
| Former Flags | 0 | - | 4.97 | 107,945 |
| Materials From History #1 | 0 | - | 4.56 | 51,787 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,166 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,841 |
| Historic Orient Express Routes Map | 0 | - | 5.00 | 53,580 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,544 |
| Pope Facts | 0 | - | 4.39 | 31,286 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,499 |
| Cold War Decoder | 0 | - | 4.83 | 52,439 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,436 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,153 |
| Famous Explorers | 0 | - | 4.58 | 36,237 |
| Famous Empires by Description | 0 | - | 4.73 | 118,628 |
| Answers by Time Period | 0 | - | 4.64 | 55,677 |
| The American Civil War | 0 | - | 4.62 | 52,485 |
| U.S. Civil War Decoder | 0 | - | 4.14 | 25,293 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,202 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,518 |
| Military History Vocabulary | 0 | - | 4.91 | 67,260 |
| The Life of King David | 0 | - | 4.37 | 14,128 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,019 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,561 |
| European History for Dummies | 0 | - | 4.83 | 90,050 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,772 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,728 |
| Animals in British History | 0 | - | 4.43 | 26,037 |
| Kings of France Quiz | 0 | - | 4.20 | 32,805 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,709 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,392 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,881 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,260 |
| Monarchies of Europe | 0 | - | 4.90 | 98,320 |
| Monarchies of Asia | 0 | - | 4.97 | 71,194 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,237 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,560 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,981 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,479 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 67,214 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,732 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,350 |
| Orthodox Countries | 0 | - | 4.92 | 132,216 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,941 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,154 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 340,337 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,993 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,365 |
| History Analogies #1 | 0 | - | 4.53 | 90,032 |
| History Analogies #2 | 0 | - | 4.49 | 77,284 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,686 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 65,216 |
| Current Events by Year, 1930–1949 | 0 | - | 4.47 | 52,133 |
| Groups of Things - History #1 | 0 | - | 4.41 | 94,196 |
| History Analogies #3 | 0 | - | 4.61 | 80,720 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,563 |
| Spanish History A-Z | 0 | - | 4.37 | 19,320 |
| Italian History A-Z | 0 | - | 4.21 | 17,735 |
| Years in History by Picture | 0 | - | 4.44 | 35,596 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,678 |
| Materials From History #2 | 0 | - | 4.59 | 31,533 |
| Random History by Country | 0 | - | 4.53 | 34,891 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,957 |
| Animals in World History | 0 | - | 4.74 | 44,560 |
| People - Real or Fictional? | 0 | - | 4.56 | 58,922 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,643 |
| History True or False #3 | 0 | - | 4.43 | 56,991 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,976 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,174 |
| Mythology A-Z | 0 | - | 4.31 | 37,276 |
| WWII Geography | 0 | - | 4.81 | 120,529 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,492 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,718 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,884 |
| Cold War Trivia #1 | 0 | - | 4.42 | 57,378 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,440 |
| Events in History #2 | 0 | - | 4.49 | 71,800 |
| Events in History #3 | 0 | - | 4.41 | 71,760 |
| Events in History #4 | 0 | - | 4.44 | 44,362 |
| Events in Ancient History | 0 | - | 4.50 | 36,044 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 49,062 |
| Assassinations in History | 0 | - | 4.21 | 66,271 |
| Famous Seconds | 0 | - | 4.22 | 46,612 |
| Ages and Eras | 0 | - | 4.39 | 67,794 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,507 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,840 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,228 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 76,051 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 490,255 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 713,657 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,186 |
