| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,811 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 86,404 |
| Countries in World War I | 0 | - | 4.88 | 228,860 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 78,208 |
| Countries in World War II | 0 | - | 4.53 | 917,255 |
| WWII for Dummies | 0 | - | 4.78 | 105,444 |
| World Leaders of the World Wars | 0 | - | 4.36 | 37,994 |
| Important Cities in WWII | 0 | - | 4.42 | 93,769 |
| WWII Geography | 0 | - | 4.81 | 120,809 |
| WWII Decoder | 0 | - | 4.41 | 53,746 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,067 |
| WWII First Names | 0 | - | 4.45 | 41,932 |
| Military History Vocabulary | 0 | - | 4.91 | 67,532 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,261 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,822 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,675 |
| Name the English Monarchs | 0 | - | 4.91 | 505,500 |
| Cities Bombed During WWII | 0 | - | 4.09 | 30,263 |
| Countries by Percent WWII Deaths | 0 | - | 4.07 | 30,149 |
| WWI... or WWII? | 0 | - | 4.85 | 143,046 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 290,482 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 275,920 |
| Countries with NO Military | 0 | - | 4.97 | 62,973 |
| All World Leaders 2026 | 0 | - | 4.95 | 20,883 |
| Battle to Country | 0 | - | 4.91 | 53,771 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,024 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,603 |
| Territory Changes in World War I | 0 | - | 4.87 | 47,054 |
| The Trojan War | 0 | - | 4.83 | 39,936 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,696 |
| WWII Movies by Plot | 0 | - | 4.21 | 27,138 |
| WWII True or False? | 0 | - | 4.56 | 57,846 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,735 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,582 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,497 |
| Roman Emperors | 0 | - | 4.95 | 120,923 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,796 |
| Name that Greek Letter | 0 | - | 4.93 | 324,700 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,911 |
| British History A-Z #1 | 0 | - | 4.45 | 47,113 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,883 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,709 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,168 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,588 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,413 |
| Historical Rulers #2 | 0 | - | 4.27 | 47,732 |
| Historical Rulers #1 | 0 | - | 4.34 | 119,449 |
| "Second Best" History Edition | 0 | - | 4.94 | 63,821 |
| Words for Leaders | 0 | - | 4.77 | 258,589 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 110,274 |
| World Leaders Quiz #2 | 0 | - | 4.01 | 36,026 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,416 |
| Famous Dictators #1 | 0 | - | 4.69 | 200,439 |
| Communist Countries in History | 0 | - | 4.63 | 497,535 |
| Famous Battles Quiz | 0 | - | 4.21 | 49,088 |
| Name the War | 0 | - | 4.37 | 202,645 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,612 |
| Names for Warriors | 0 | - | 4.40 | 37,028 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,204 |
| English Royal Consorts | 0 | - | 4.38 | 37,489 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,953 |
| German History A-Z | 0 | - | 4.49 | 24,864 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,444 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 51,571 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,421 |
| Metals of Antiquity | 0 | - | 4.95 | 93,796 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,485 |
| Empires by Maps | 0 | - | 4.98 | 121,485 |
| Popular Royal Names | 0 | - | 4.27 | 125,259 |
| History of The Netherlands | 0 | - | 4.46 | 17,530 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,038 |
| History: What Came First? #1 | 0 | - | 4.87 | 105,764 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,739 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 709,590 |
| First Names of Painters | 0 | - | 4.43 | 59,999 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 54,017 |
| Notable People of WWII | 0 | - | 4.53 | 86,118 |
| WWII Trivia #2 | 0 | - | 4.52 | 104,433 |
| World War I Quiz | 0 | - | 4.78 | 101,610 |
| WWI A-Z | 0 | - | 4.51 | 38,525 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 94,326 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,543 |
| Countries that Have Won the Most Battles | 0 | - | 4.01 | 39,725 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,526 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,834 |
| British Royal Titles | 0 | - | 4.18 | 19,999 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,553 |
| British History A-Z #2 | 0 | - | 4.24 | 11,075 |
| The Reign of Queen Victoria | 0 | - | 4.34 | 23,527 |
| French History A-Z | 0 | - | 4.27 | 25,040 |
| Former Flags | 0 | - | 4.97 | 108,319 |
| Russian History A-Z | 0 | - | 4.35 | 32,109 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,215 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,344 |
| Historic Orient Express Routes Map | 0 | - | 5.00 | 53,709 |
| UN Secretaries-General | 0 | - | 4.40 | 7,836 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,679 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,160 |
| Former Capitals | 0 | - | 4.88 | 71,619 |
| WWII Trivia #1 | 0 | - | 4.36 | 178,293 |
| World War II Multiple Choice | 0 | - | 4.38 | 104,425 |
| Cold War Decoder | 0 | - | 4.83 | 52,556 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,751 |
| People Who Died in Battle | 0 | - | 4.35 | 22,349 |
| The American Civil War | 0 | - | 4.62 | 52,588 |
| Ancient Roman Trivia #2 | 0 | - | 4.60 | 44,099 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,161 |
| Roman Names for Places | 0 | - | 4.62 | 58,617 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,795 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,094 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,278 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,054 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,213 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,613 |
| European History for Dummies | 0 | - | 4.83 | 90,259 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,008 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,936 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,161 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 92,776 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,455 |
| Coldest World Capitals | 0 | - | 4.95 | 134,079 |
| World Currency Quiz | 0 | - | 4.92 | 305,791 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,966 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,557 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,437 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,915 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,061 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,512 |
| NATO Countries | 0 | - | 4.98 | 282,685 |
| EU Countries Quiz | 0 | - | 4.99 | 276,984 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,914 |
| 7 Deadly Sins | 0 | - | 4.88 | 402,780 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,344 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,877 |
| Books of the Protestant Bible | 0 | - | 4.84 | 211,455 |
| Majority Muslim Countries | 0 | - | 4.98 | 376,854 |
| Buddhist Countries | 0 | - | 4.96 | 144,890 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,101,151 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,034 |
| Name a Valid Answer - British History | 0 | - | 4.57 | 15,219 |
| Influential Women in History | 0 | - | 4.42 | 36,228 |
| Cradles of Civilization | 0 | - | 4.46 | 40,179 |
| Spanish History A-Z | 0 | - | 4.37 | 19,470 |
| Italian History A-Z | 0 | - | 4.16 | 17,882 |
| Years in History by Picture | 0 | - | 4.44 | 35,702 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,774 |
| Materials From History #1 | 0 | - | 4.56 | 51,958 |
| Historical Countries by Ruler | 0 | - | 4.48 | 49,079 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.15 | 63,583 |
| Prime Ministers of the UK | 0 | - | 4.95 | 441,475 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,840 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,476 |
| Events in History #2 | 0 | - | 4.49 | 71,903 |
| Events in History #3 | 0 | - | 4.41 | 71,851 |
| Events in History #4 | 0 | - | 4.44 | 44,437 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,435 |
| Famous Explorers | 0 | - | 4.58 | 36,298 |
| Famous Empires by Description | 0 | - | 4.73 | 118,861 |
| Answers by Time Period | 0 | - | 4.64 | 55,799 |
| Political Quotes | 0 | - | 4.17 | 19,936 |
| This Day in History - July | 0 | - | 4.49 | 36,493 |
| This Day in History - August | 0 | - | 4.42 | 43,405 |
| This Day in History - September | 0 | - | 4.55 | 57,538 |
| This Day in History - October | 0 | - | 4.49 | 37,673 |
| This Day in History - January | 0 | - | 4.48 | 46,770 |
| This Day in History - March | 0 | - | 4.45 | 43,729 |
| Ancient Civilizations | 0 | - | 4.64 | 38,079 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,157 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,238 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,556 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.33 | 8,352 |
| Military History A-Z | 0 | - | 4.20 | 21,226 |
| The Places They Went #1 | 0 | - | 4.74 | 33,563 |
| The Life of King David | 0 | - | 4.37 | 14,139 |
| Famous Inventors | 0 | - | 4.44 | 43,580 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,180 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,642 |
| Animals in British History | 0 | - | 4.43 | 26,069 |
| Kings of France Quiz | 0 | - | 4.20 | 32,882 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.08 | 1,015,798 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,815 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,474 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,509 |
| Star Wars Quotes | 0 | - | 4.86 | 185,664 |
| Monarchies of Europe | 0 | - | 4.90 | 98,674 |
| Monarchies of Asia | 0 | - | 4.97 | 71,401 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,661 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,591 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,643 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,283 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 52,883 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,870 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,935 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,275 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,682 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 89,756 |
| Richest Island Countries | 0 | - | 4.85 | 101,049 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,801 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,644 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,387 |
