| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,261 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 86,676 |
| Countries in World War I | 0 | - | 4.88 | 229,281 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.78 | 78,340 |
| Countries in World War II | 0 | - | 4.53 | 919,456 |
| WWII for Dummies | 0 | - | 4.78 | 105,766 |
| World Leaders of the World Wars | 0 | - | 4.36 | 38,057 |
| Important Cities in WWII | 0 | - | 4.42 | 93,960 |
| WWII Geography | 0 | - | 4.81 | 121,392 |
| WWII Decoder | 0 | - | 4.41 | 53,867 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,380 |
| WWII First Names | 0 | - | 4.45 | 41,984 |
| Military History Vocabulary | 0 | - | 4.92 | 67,698 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,421 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,919 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,875 |
| Name the English Monarchs | 0 | - | 4.91 | 506,905 |
| Cities Bombed During WWII | 0 | - | 4.09 | 30,335 |
| Countries by Percent WWII Deaths | 0 | - | 4.05 | 30,233 |
| WWI... or WWII? | 0 | - | 4.85 | 143,624 |
| Countries with NO Military | 0 | - | 4.97 | 63,494 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,613 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 277,290 |
| All World Leaders 2026 | 0 | - | 4.95 | 21,064 |
| Battle to Country | 0 | - | 4.91 | 54,030 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,371 |
| Normandy D-Day Beaches | 0 | - | 4.84 | 40,745 |
| Territory Changes in World War I | 0 | - | 4.88 | 47,274 |
| The Trojan War | 0 | - | 4.83 | 40,017 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,053 |
| WWII Movies by Plot | 0 | - | 4.22 | 27,176 |
| WWII True or False? | 0 | - | 4.57 | 58,028 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,902 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,862 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,633 |
| Roman Emperors | 0 | - | 4.95 | 121,308 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,336 |
| Name that Greek Letter | 0 | - | 4.93 | 325,099 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,987 |
| British History A-Z #1 | 0 | - | 4.45 | 47,288 |
| Houses of British Monarchs | 0 | - | 4.54 | 65,980 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,635 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,768 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,676 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,450 |
| Historical Rulers #2 | 0 | - | 4.24 | 47,783 |
| Historical Rulers #1 | 0 | - | 4.34 | 119,556 |
| "Second Best" History Edition | 0 | - | 4.94 | 64,303 |
| Words for Leaders | 0 | - | 4.78 | 259,073 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 110,350 |
| World Leaders Quiz #2 | 0 | - | 4.01 | 36,076 |
| World Leaders of the Cold War | 0 | - | 4.26 | 25,465 |
| Famous Dictators #1 | 0 | - | 4.69 | 200,671 |
| Communist Countries in History | 0 | - | 4.63 | 498,460 |
| Famous Battles Quiz | 0 | - | 4.21 | 49,156 |
| Name the War | 0 | - | 4.37 | 202,901 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,644 |
| Names for Warriors | 0 | - | 4.40 | 37,065 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,256 |
| English Royal Consorts | 0 | - | 4.38 | 37,539 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 36,009 |
| German History A-Z | 0 | - | 4.49 | 24,926 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,553 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,645 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 51,646 |
| Metals of Antiquity | 0 | - | 4.95 | 93,973 |
| Former Countries by Territory Map | 0 | - | 4.96 | 104,050 |
| Empires by Maps | 0 | - | 4.98 | 122,295 |
| Popular Royal Names | 0 | - | 4.27 | 125,423 |
| History of The Netherlands | 0 | - | 4.46 | 17,562 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,179 |
| History: What Came First? #1 | 0 | - | 4.87 | 106,051 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,833 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 710,357 |
| First Names of Painters | 0 | - | 4.43 | 60,070 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 54,187 |
| Notable People of WWII | 0 | - | 4.53 | 86,596 |
| WWII Trivia #2 | 0 | - | 4.52 | 104,643 |
| World War I Quiz | 0 | - | 4.78 | 102,115 |
| WWI A-Z | 0 | - | 4.51 | 38,638 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 94,459 |
| The 7 Wonders of the Ancient World | 0 | - | 4.86 | 82,641 |
| Countries that Have Won the Most Battles | 0 | - | 4.01 | 39,795 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,669 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,885 |
| British Royal Titles | 0 | - | 4.18 | 20,026 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,568 |
| British History A-Z #2 | 0 | - | 4.28 | 11,933 |
| The Reign of Queen Victoria | 0 | - | 4.34 | 23,560 |
| French History A-Z | 0 | - | 4.27 | 25,162 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,268 |
| Former Flags | 0 | - | 4.97 | 108,679 |
| Russian History A-Z | 0 | - | 4.35 | 32,252 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,246 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,483 |
| UN Secretaries-General | 0 | - | 4.40 | 7,852 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,699 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,364 |
| Former Capitals | 0 | - | 4.88 | 71,703 |
| WWII Trivia #1 | 0 | - | 4.36 | 178,615 |
| World War II Multiple Choice | 0 | - | 4.40 | 111,752 |
| Cold War Decoder | 0 | - | 4.83 | 52,674 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,994 |
| People Who Died in Battle | 0 | - | 4.35 | 22,380 |
| The American Civil War | 0 | - | 4.62 | 52,640 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,335 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,229 |
| Roman Names for Places | 0 | - | 4.62 | 58,737 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,867 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,179 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,338 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,099 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,283 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,750 |
| European History for Dummies | 0 | - | 4.83 | 90,422 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,115 |
| British History Quiz for Dummies | 0 | - | 4.70 | 79,097 |
| Top Arms Exporting Countries | 0 | - | 4.97 | 105,590 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,868 |
| Coldest World Capitals | 0 | - | 4.95 | 134,192 |
| World Currency Quiz | 0 | - | 4.92 | 307,110 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,135 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,090 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,785 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,211 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,184 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,735 |
| NATO Countries | 0 | - | 4.98 | 283,690 |
| EU Countries Quiz | 0 | - | 4.99 | 278,249 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,584 |
| 7 Deadly Sins | 0 | - | 4.88 | 404,358 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,794 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,225 |
| Books of the Protestant Bible | 0 | - | 4.85 | 212,093 |
| Majority Muslim Countries | 0 | - | 4.98 | 378,011 |
| Buddhist Countries | 0 | - | 4.96 | 145,165 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,102,894 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,015 |
| Name a Valid Answer - British History | 0 | - | 4.57 | 15,245 |
| Influential Women in History | 0 | - | 4.43 | 36,527 |
| Cradles of Civilization | 0 | - | 4.46 | 40,507 |
| Spanish History A-Z | 0 | - | 4.37 | 19,517 |
| Italian History A-Z | 0 | - | 4.16 | 17,942 |
| Years in History by Picture | 0 | - | 4.45 | 35,883 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,867 |
| Materials From History #1 | 0 | - | 4.56 | 52,095 |
| Historical Countries by Ruler | 0 | - | 4.48 | 49,304 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.16 | 64,072 |
| Prime Ministers of the UK | 0 | - | 4.95 | 442,679 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,048 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,499 |
| Events in History #2 | 0 | - | 4.49 | 71,995 |
| Events in History #3 | 0 | - | 4.41 | 71,920 |
| Events in History #4 | 0 | - | 4.44 | 44,501 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,695 |
| Famous Explorers | 0 | - | 4.58 | 36,391 |
| Famous Empires by Description | 0 | - | 4.74 | 119,011 |
| Answers by Time Period | 0 | - | 4.64 | 55,904 |
| Coups d'Etat - Name the Country | 0 | - | 4.43 | 42,026 |
| Political Quotes | 0 | - | 4.17 | 19,953 |
| This Day in History - July | 0 | - | 4.49 | 36,520 |
| This Day in History - August | 0 | - | 4.42 | 43,433 |
| This Day in History - September | 0 | - | 4.55 | 57,579 |
| This Day in History - October | 0 | - | 4.49 | 37,691 |
| This Day in History - January | 0 | - | 4.48 | 46,804 |
| This Day in History - March | 0 | - | 4.45 | 43,757 |
| Ancient Civilizations | 0 | - | 4.64 | 38,153 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,187 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,270 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,589 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.33 | 8,362 |
| Military History A-Z | 0 | - | 4.20 | 21,262 |
| The Places They Went #1 | 0 | - | 4.74 | 33,583 |
| The Life of King David | 0 | - | 4.37 | 14,148 |
| Famous Inventors | 0 | - | 4.44 | 43,606 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,294 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,689 |
| Animals in British History | 0 | - | 4.43 | 26,105 |
| Kings of France Quiz | 0 | - | 4.21 | 32,940 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.08 | 1,016,769 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 340,350 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,527 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,711 |
| Star Wars Quotes | 0 | - | 4.86 | 186,348 |
| Monarchies of Europe | 0 | - | 4.90 | 98,938 |
| Monarchies of Asia | 0 | - | 4.97 | 71,544 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,971 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,864 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,782 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,315 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 53,312 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,228 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,248 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,546 |
| Countries by Oil Consumption | 0 | - | 4.96 | 122,190 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,468 |
| Richest Island Countries | 0 | - | 4.85 | 101,277 |
| Largest Economies in 2050 | 0 | - | 4.88 | 111,974 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,885 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,499 |
