| WWII Geography | 0 | - | 4.81 | 120,504 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,686 |
| Battle to Country | 0 | - | 4.91 | 53,472 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 708,232 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,102 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,129 |
| Countries with NO Military | 0 | - | 4.97 | 62,559 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,510 |
| Words for Leaders | 0 | - | 4.77 | 257,645 |
| All World Leaders 2026 | 0 | - | 4.94 | 20,419 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,604 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,483 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,869 |
| Countries that Have Won the Most Battles | 0 | - | 4.02 | 39,637 |
| Name the English Monarchs | 0 | - | 4.91 | 503,575 |
| "Second Best" History Edition | 0 | - | 4.94 | 63,240 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,556 |
| WWII Movies by Plot | 0 | - | 4.21 | 27,108 |
| WWII Decoder | 0 | - | 4.41 | 53,624 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,993 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,023 |
| Empires by Maps | 0 | - | 4.98 | 120,821 |
| Famous Dictators #1 | 0 | - | 4.69 | 199,981 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 78,028 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 53,828 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,277 |
| WWII First Names | 0 | - | 4.44 | 41,829 |
| WWI... or WWII? | 0 | - | 4.85 | 142,506 |
| WWII for Dummies | 0 | - | 4.78 | 105,113 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 86,049 |
| Countries in World War I | 0 | - | 4.88 | 228,382 |
| The American Civil War | 0 | - | 4.62 | 52,476 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,449 |
| Ye Olde Professions | 0 | - | 4.63 | 156,962 |
| Body Part Words | 0 | - | 4.43 | 146,107 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,945 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,486 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,297 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,526 |
| Historical Rulers #1 | 0 | - | 4.35 | 119,004 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 110,113 |
| World Leaders Quiz #2 | 0 | - | 4.01 | 35,894 |
| World Leaders of the World Wars | 0 | - | 4.36 | 37,885 |
| Mythical Creatures #2 | 0 | - | 4.05 | 111,907 |
| Things Named for Inventors | 0 | - | 4.40 | 72,716 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,184 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 51,481 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,262 |
| Metals of Antiquity | 0 | - | 4.95 | 93,559 |
| Popular Royal Names | 0 | - | 4.27 | 125,044 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,824 |
| History: What Came First? #1 | 0 | - | 4.87 | 105,435 |
| History - Did They Have It? | 0 | - | 4.84 | 61,921 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,572 |
| First Names of Painters | 0 | - | 4.43 | 59,903 |
| Countries in World War II | 0 | - | 4.54 | 914,167 |
| Notable People of WWII | 0 | - | 4.53 | 85,992 |
| WWII Trivia #2 | 0 | - | 4.52 | 104,269 |
| World War I Quiz | 0 | - | 4.78 | 101,413 |
| WWI A-Z | 0 | - | 4.51 | 38,407 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.33 | 8,338 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,371 |
| Elemental Words | 0 | - | 4.97 | 52,359 |
| Name a Valid Word #1 | 0 | - | 4.88 | 119,931 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 54,052 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,036 |
| Influential Women in History | 0 | - | 4.42 | 35,793 |
| Cradles of Civilization | 0 | - | 4.46 | 39,851 |
| History of The Netherlands | 0 | - | 4.46 | 17,467 |
| Materials From History #1 | 0 | - | 4.56 | 51,711 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,780 |
| UN Secretaries-General | 0 | - | 4.40 | 7,806 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,643 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,104 |
| Famous Explorers | 0 | - | 4.58 | 36,214 |
| Famous Empires by Description | 0 | - | 4.73 | 118,583 |
| Answers by Time Period | 0 | - | 4.64 | 55,656 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,390 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,088 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,426 |
| Book Titles with Shared First Words | 0 | - | 4.53 | 15,226 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,950 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,663 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 148,847 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,749 |
| NATO Countries | 0 | - | 4.98 | 281,299 |
| EU Countries Quiz | 0 | - | 4.99 | 275,228 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,086 |
| 7 Deadly Sins | 0 | - | 4.88 | 401,152 |
| Books of the Protestant Bible | 0 | - | 4.84 | 210,580 |
| Majority Muslim Countries | 0 | - | 4.98 | 375,286 |
| Former Flags | 0 | - | 4.97 | 107,910 |
| Years in History by Picture | 0 | - | 4.44 | 35,583 |
| Russian History A-Z | 0 | - | 4.35 | 31,817 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,161 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,664 |
| Materials From History #2 | 0 | - | 4.59 | 31,522 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,149 |
| Historic Orient Express Routes Map | 0 | - | 5.00 | 53,565 |
| WWII Trivia #1 | 0 | - | 4.36 | 177,928 |
| Important Cities in WWII | 0 | - | 4.42 | 93,575 |
| World War II Multiple Choice | 0 | - | 4.38 | 104,264 |
| WWII True or False? | 0 | - | 4.56 | 57,662 |
| Cold War Decoder | 0 | - | 4.83 | 52,427 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,437 |
| Events in History #2 | 0 | - | 4.49 | 71,789 |
| Events in History #3 | 0 | - | 4.41 | 71,748 |
| Events in History #4 | 0 | - | 4.44 | 44,354 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,408 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 49,045 |
| Assassinations in History | 0 | - | 4.21 | 66,251 |
| Famous Seconds | 0 | - | 4.22 | 46,604 |
| Ages and Eras | 0 | - | 4.39 | 67,774 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,494 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,826 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,210 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 76,036 |
| Female Historical Figures | 0 | - | 4.28 | 33,268 |
| Historical Blunders | 0 | - | 4.34 | 92,513 |
| Territorial Accessions | 0 | - | 4.34 | 34,821 |
| People Known as "The Great" | 0 | - | 4.46 | 24,711 |
| This Day in History - July | 0 | - | 4.49 | 36,469 |
| This Day in History - August | 0 | - | 4.42 | 43,367 |
| This Day in History - September | 0 | - | 4.55 | 57,472 |
| This Day in History - October | 0 | - | 4.49 | 37,641 |
| This Day in History - January | 0 | - | 4.47 | 46,737 |
| This Day in History - March | 0 | - | 4.45 | 43,684 |
| Ancient Civilizations | 0 | - | 4.64 | 37,996 |
| The Places They Went #1 | 0 | - | 4.74 | 33,543 |
| Famous Inventors | 0 | - | 4.44 | 43,556 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,005 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,553 |
| European History for Dummies | 0 | - | 4.83 | 90,036 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,832 |
| British History A-Z #1 | 0 | - | 4.45 | 46,557 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,741 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,014,497 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,464 |
| Coldest World Capitals | 0 | - | 4.95 | 133,629 |
| World Currency Quiz | 0 | - | 4.92 | 303,897 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,830 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,813 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,674 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,883 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 131,034 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,522 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,450 |
| Buddhist Countries | 0 | - | 4.96 | 144,535 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,098,686 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,551 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,907 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,356 |
| History Analogies #1 | 0 | - | 4.53 | 90,026 |
| History Analogies #2 | 0 | - | 4.49 | 77,273 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,676 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 65,207 |
| Current Events by Year, 1930–1949 | 0 | - | 4.47 | 52,127 |
| Groups of Things - History #1 | 0 | - | 4.41 | 94,178 |
| History Analogies #3 | 0 | - | 4.61 | 80,706 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,551 |
| Which Came First? | 0 | - | 4.37 | 74,852 |
| Random History by Country | 0 | - | 4.53 | 34,888 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,943 |
| Animals in World History | 0 | - | 4.74 | 44,552 |
| People - Real or Fictional? | 0 | - | 4.56 | 58,910 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,639 |
| History True or False #3 | 0 | - | 4.43 | 56,976 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,319 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.20 | 49,065 |
| A to Z: Legendary Creatures | 0 | - | 4.26 | 53,109 |
| Cold War Trivia #1 | 0 | - | 4.42 | 57,369 |
| Events in History #1 | 0 | - | 4.34 | 157,842 |
| Events in Ancient History | 0 | - | 4.50 | 36,033 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,690 |
| Deaths by Date and Cause #1 | 0 | - | 4.38 | 95,310 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 67,807 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,173 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,511 |
| Political Quotes | 0 | - | 4.17 | 19,905 |
| This Day in History - April | 0 | - | 4.40 | 44,474 |
| This Day in History - May | 0 | - | 4.33 | 48,397 |
| This Day in History - June | 0 | - | 4.32 | 33,508 |
| This Day in History - November | 0 | - | 4.24 | 33,614 |
| This Day in History - December | 0 | - | 4.32 | 40,545 |
| This Day in History - February | 0 | - | 4.38 | 39,810 |
| The 19th Century | 0 | - | 4.53 | 68,172 |
| The 18th Century | 0 | - | 4.53 | 53,339 |
| The 16th Century | 0 | - | 4.77 | 58,911 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,712 |
| The 21st Century | 0 | - | 4.47 | 106,096 |
| Military History A-Z | 0 | - | 4.20 | 21,188 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,003 |
| The Life of King David | 0 | - | 4.37 | 14,127 |
| History Multiple Choice #1 | 0 | - | 4.41 | 82,035 |
| Years in History #2 - Multiple Choice | 0 | - | 4.42 | 41,693 |
| History Multiple Choice #2 | 0 | - | 4.43 | 50,078 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,777 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,495 |
| Three Real and One Fake - World History | 0 | - | 4.44 | 38,417 |
| Trace the Route of Marco Polo on a Map | 0 | - | 5.00 | 42,377 |
