| WWII Geography | 0 | - | 4.81 | 120,531 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,723 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,317 |
| WWII Decoder | 0 | - | 4.41 | 53,635 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,526 |
| Countries in World War I | 0 | - | 4.88 | 228,421 |
| Countries in World War II | 0 | - | 4.54 | 914,485 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 86,075 |
| World Leaders of the World Wars | 0 | - | 4.36 | 37,894 |
| Important Cities in WWII | 0 | - | 4.42 | 93,587 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,113 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,740 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 78,043 |
| WWII for Dummies | 0 | - | 4.78 | 105,155 |
| WWII Movies by Plot | 0 | - | 4.21 | 27,112 |
| Military History Vocabulary | 0 | - | 4.91 | 67,262 |
| Name the English Monarchs | 0 | - | 4.91 | 503,759 |
| Cities Bombed During WWII | 0 | - | 4.09 | 30,199 |
| Countries by Percent WWII Deaths | 0 | - | 4.07 | 30,069 |
| WWI... or WWII? | 0 | - | 4.85 | 142,556 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,225 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,336 |
| Countries with NO Military | 0 | - | 4.97 | 62,602 |
| All World Leaders 2026 | 0 | - | 4.94 | 20,463 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,653 |
| Battle to Country | 0 | - | 4.91 | 53,496 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,492 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,886 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,524 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,034 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,561 |
| The Trojan War | 0 | - | 4.83 | 39,787 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,183 |
| WWII First Names | 0 | - | 4.44 | 41,833 |
| WWII True or False? | 0 | - | 4.56 | 57,681 |
| The American Civil War | 0 | - | 4.62 | 52,487 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,637 |
| Roman Emperors | 0 | - | 4.95 | 120,340 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,838 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,751 |
| "Second Best" History Edition | 0 | - | 4.94 | 63,418 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,327 |
| Famous Dictators #1 | 0 | - | 4.69 | 200,009 |
| World War II Multiple Choice | 0 | - | 4.38 | 104,283 |
| Famous Battles Quiz | 0 | - | 4.21 | 49,027 |
| Name the War | 0 | - | 4.37 | 201,851 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,568 |
| Names for Warriors | 0 | - | 4.40 | 36,967 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,017 |
| English Royal Consorts | 0 | - | 4.38 | 37,403 |
| Kings of France Quiz | 0 | - | 4.20 | 32,807 |
| 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 | 119,021 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,073 |
| Empires by Maps | 0 | - | 4.98 | 120,912 |
| Words for Leaders | 0 | - | 4.77 | 257,707 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 110,119 |
| World Leaders Quiz #2 | 0 | - | 4.01 | 35,905 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 53,857 |
| Communist Countries in History | 0 | - | 4.63 | 496,413 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,465 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,169 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,206 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 51,490 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,279 |
| Metals of Antiquity | 0 | - | 4.95 | 93,592 |
| Popular Royal Names | 0 | - | 4.27 | 125,060 |
| History of The Netherlands | 0 | - | 4.46 | 17,475 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,841 |
| History: What Came First? #1 | 0 | - | 4.87 | 105,481 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,581 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 708,386 |
| First Names of Painters | 0 | - | 4.43 | 59,912 |
| Notable People of WWII | 0 | - | 4.53 | 86,005 |
| WWII Trivia #2 | 0 | - | 4.52 | 104,284 |
| World War I Quiz | 0 | - | 4.78 | 101,434 |
| WWI A-Z | 0 | - | 4.51 | 38,421 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 94,140 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,064 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,945 |
| Countries that Have Won the Most Battles | 0 | - | 4.02 | 39,644 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,402 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,385 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,790 |
| Medieval English History | 0 | - | 4.53 | 43,564 |
| British Royal Titles | 0 | - | 4.18 | 19,964 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,525 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,046 |
| Influential Women in History | 0 | - | 4.42 | 35,984 |
| Cradles of Civilization | 0 | - | 4.46 | 39,977 |
| Former Flags | 0 | - | 4.97 | 107,948 |
| Russian History A-Z | 0 | - | 4.35 | 31,834 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,169 |
| Materials From History #1 | 0 | - | 4.56 | 51,797 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,168 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,846 |
| UN Secretaries-General | 0 | - | 4.40 | 7,813 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,644 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,855 |
| Former Capitals | 0 | - | 4.88 | 71,512 |
| WWII Trivia #1 | 0 | - | 4.36 | 177,957 |
| Cold War Decoder | 0 | - | 4.83 | 52,441 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,443 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,158 |
| Famous Explorers | 0 | - | 4.58 | 36,240 |
| Famous Empires by Description | 0 | - | 4.73 | 118,631 |
| Answers by Time Period | 0 | - | 4.64 | 55,677 |
| People Who Died in Battle | 0 | - | 4.35 | 22,330 |
| 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 | 41,702 |
| Embarrassing Chapters in British History | 0 | - | 4.29 | 32,297 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,200 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,996 |
| French History Multiple Choice | 0 | - | 4.55 | 33,116 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,019 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,106 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,441 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,565 |
| European History for Dummies | 0 | - | 4.83 | 90,053 |
| British History A-Z #1 | 0 | - | 4.45 | 46,569 |
| History of Scotland | 0 | - | 4.51 | 21,123 |
| French History A-Z | 0 | - | 4.27 | 24,750 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 91,992 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 148,901 |
| Coldest World Capitals | 0 | - | 4.95 | 133,645 |
| World Currency Quiz | 0 | - | 4.92 | 304,063 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,780 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,887 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,913 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,704 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,899 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 131,066 |
| NATO Countries | 0 | - | 4.98 | 281,450 |
| EU Countries Quiz | 0 | - | 4.99 | 275,401 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,166 |
| 7 Deadly Sins | 0 | - | 4.88 | 401,332 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,562 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,480 |
| Books of the Protestant Bible | 0 | - | 4.84 | 210,652 |
| Majority Muslim Countries | 0 | - | 4.98 | 375,426 |
| Buddhist Countries | 0 | - | 4.96 | 144,573 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,098,934 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,665 |
| Name a Valid Answer - British History | 0 | - | 4.57 | 15,180 |
| Years in History by Picture | 0 | - | 4.44 | 35,598 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,678 |
| Materials From History #2 | 0 | - | 4.59 | 31,535 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.20 | 49,103 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,506 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,440 |
| Events in History #2 | 0 | - | 4.49 | 71,801 |
| Events in History #3 | 0 | - | 4.41 | 71,761 |
| Events in History #4 | 0 | - | 4.44 | 44,364 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 49,063 |
| Assassinations in History | 0 | - | 4.21 | 66,272 |
| Famous Seconds | 0 | - | 4.22 | 46,614 |
| Ages and Eras | 0 | - | 4.39 | 67,797 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,509 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,841 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,230 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 76,054 |
| Female Historical Figures | 0 | - | 4.28 | 33,280 |
| Historical Blunders | 0 | - | 4.34 | 92,534 |
| Territorial Accessions | 0 | - | 4.34 | 34,835 |
| People Known as "The Great" | 0 | - | 4.46 | 24,718 |
| Political Quotes | 0 | - | 4.17 | 19,909 |
| This Day in History - July | 0 | - | 4.49 | 36,471 |
| This Day in History - August | 0 | - | 4.42 | 43,371 |
| This Day in History - September | 0 | - | 4.55 | 57,478 |
| This Day in History - October | 0 | - | 4.49 | 37,645 |
| This Day in History - January | 0 | - | 4.47 | 46,739 |
| This Day in History - March | 0 | - | 4.45 | 43,690 |
| Ancient Civilizations | 0 | - | 4.64 | 38,006 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,202 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,518 |
| Military History A-Z | 0 | - | 4.20 | 21,189 |
| The Places They Went #1 | 0 | - | 4.74 | 33,546 |
| The Life of King David | 0 | - | 4.37 | 14,128 |
| Famous Inventors | 0 | - | 4.44 | 43,559 |
| Animals in British History | 0 | - | 4.43 | 26,038 |
| German History A-Z | 0 | - | 4.49 | 24,652 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,014,628 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,049 |
| Branches of the U.S. Military | 0 | - | 4.39 | 24,410 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,264 |
| Monarchies of Europe | 0 | - | 4.90 | 98,324 |
| Monarchies of Asia | 0 | - | 4.97 | 71,201 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,279 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,213 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,080 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,223 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,460 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,612 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,950 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,519 |
| Richest Island Countries | 0 | - | 4.85 | 100,760 |
