| All World Leaders 2026 | 0 | - | 4.95 | 21,136 |
| Famous Dictators #1 | 0 | - | 4.69 | 200,763 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,667 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,794 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,868 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,478 |
| Historical Rulers #2 | 0 | - | 4.24 | 47,812 |
| Historical Rulers #1 | 0 | - | 4.34 | 119,596 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 110,373 |
| World Leaders Quiz #2 | 0 | - | 4.01 | 36,107 |
| Words for Leaders | 0 | - | 4.77 | 259,242 |
| UN Secretaries-General | 0 | - | 4.40 | 7,855 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,701 |
| Prime Ministers of the UK | 0 | - | 4.95 | 443,132 |
| NATO Countries | 0 | - | 4.98 | 284,004 |
| EU Countries Quiz | 0 | - | 4.99 | 278,907 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.78 | 78,394 |
| Political Figures by Last Name #1 | 0 | - | 4.56 | 68,828 |
| World Leaders of the Cold War | 0 | - | 4.26 | 25,480 |
| Military History Vocabulary | 0 | - | 4.92 | 67,763 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,966 |
| "Second Best" History Edition | 0 | - | 4.94 | 64,394 |
| World Leaders of the World Wars | 0 | - | 4.36 | 38,078 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.16 | 64,175 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,163 |
| World Leaders by Picture | 0 | - | 4.36 | 267,069 |
| Canadian Prime Ministers | 0 | - | 4.64 | 58,001 |
| Prime Ministers of Australia | 0 | - | 4.51 | 32,239 |
| Name the English Monarchs | 0 | - | 4.91 | 507,344 |
| All OPEC Countries Ever | 0 | - | 4.70 | 100,401 |
| Dictators by Picture | 0 | - | 4.18 | 49,449 |
| WWII Geography | 0 | - | 4.81 | 121,503 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,490 |
| Former Countries by Territory Map | 0 | - | 4.96 | 104,214 |
| Empires by Maps | 0 | - | 4.98 | 122,557 |
| Political Quotes | 0 | - | 4.17 | 19,960 |
| The 7 Wonders of the Ancient World | 0 | - | 4.86 | 82,665 |
| Metals of Antiquity | 0 | - | 4.95 | 94,024 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,224 |
| History: What Came First? #1 | 0 | - | 4.87 | 106,136 |
| History - Did They Have It? | 0 | - | 4.85 | 62,340 |
| Spouses of World Leaders | 0 | - | 4.18 | 12,382 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 25,186 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.48 | 15,948 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 54,233 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,718 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,239 |
| Influential Women in History | 0 | - | 4.43 | 36,571 |
| Cradles of Civilization | 0 | - | 4.46 | 40,545 |
| Popular Royal Names | 0 | - | 4.27 | 125,459 |
| Materials From History #1 | 0 | - | 4.56 | 52,124 |
| Materials From History #2 | 0 | - | 4.59 | 31,625 |
| Historical Countries by Ruler | 0 | - | 4.48 | 49,344 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,143 |
| Name the Popes Quiz | 0 | - | 4.47 | 139,084 |
| Countries of the Popes | 0 | - | 4.79 | 128,889 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 710,699 |
| First Names of Painters | 0 | - | 4.43 | 60,105 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,753 |
| Famous Explorers | 0 | - | 4.58 | 36,409 |
| Famous Empires by Description | 0 | - | 4.73 | 119,060 |
| Answers by Time Period | 0 | - | 4.64 | 55,936 |
| Coups d'Etat - Name the Country | 0 | - | 4.43 | 42,364 |
| Top 10 Oldest African Countries | 0 | - | 4.87 | 28,302 |
| History of The Netherlands | 0 | - | 4.46 | 17,571 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,769 |
| Countries Invaded by the USSR | 0 | - | 4.30 | 94,504 |
| Name a Valid Year in History | 0 | - | 4.93 | 68,107 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,311 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,801 |
| All Modern-Day Countries Ever Controlled by the British | 0 | - | 4.81 | 50,275 |
| People Portrayed by Andy Warhol | 0 | - | 4.35 | 38,288 |
| 2010s Obituaries | 0 | - | 4.46 | 26,235 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,921 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 277,812 |
| Countries with NO Military | 0 | - | 4.97 | 63,609 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 150,015 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,191 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,786 |
| 7 Deadly Sins | 0 | - | 4.88 | 404,820 |
| Books of the Protestant Bible | 0 | - | 4.85 | 212,296 |
| Majority Muslim Countries | 0 | - | 4.98 | 378,403 |
| Former Flags | 0 | - | 4.97 | 108,824 |
| Years in History by Picture | 0 | - | 4.45 | 35,939 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,895 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,509 |
| Historic Orient Express Routes Map | 0 | - | 5.00 | 53,909 |
| Political Figures by Last Name #2 | 0 | - | 3.91 | 16,941 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.46 | 26,965 |
| WWII Decoder | 0 | - | 4.41 | 53,912 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,962 |
| Cold War Decoder | 0 | - | 4.83 | 52,706 |
| Events in History #2 | 0 | - | 4.49 | 72,036 |
| Events in History #3 | 0 | - | 4.41 | 71,957 |
| Events in History #4 | 0 | - | 4.44 | 44,529 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 49,196 |
| Assassinations in History | 0 | - | 4.21 | 66,468 |
| Famous Founders in the U.S. | 0 | - | 4.02 | 34,826 |
| Famous Seconds | 0 | - | 4.22 | 46,895 |
| Ages and Eras | 0 | - | 4.39 | 67,971 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,587 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,946 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,324 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 76,169 |
| Female Historical Figures | 0 | - | 4.28 | 33,409 |
| Historical Blunders | 0 | - | 4.34 | 92,744 |
| Territorial Accessions | 0 | - | 4.34 | 34,958 |
| People Known as "The Great" | 0 | - | 4.46 | 24,813 |
| This Day in History - July | 0 | - | 4.49 | 36,523 |
| This Day in History - August | 0 | - | 4.42 | 43,442 |
| This Day in History - September | 0 | - | 4.55 | 57,590 |
| This Day in History - October | 0 | - | 4.49 | 37,698 |
| This Day in History - January | 0 | - | 4.48 | 46,814 |
| This Day in History - March | 0 | - | 4.45 | 43,764 |
| Ancient Civilizations | 0 | - | 4.64 | 38,168 |
| The Places They Went #1 | 0 | - | 4.74 | 33,587 |
| Famous Inventors | 0 | - | 4.44 | 43,619 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,334 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,724 |
| European History for Dummies | 0 | - | 4.83 | 90,477 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 32,002 |
| Houses of British Monarchs | 0 | - | 4.54 | 66,021 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.08 | 1,017,079 |
| U.S. States by Governor | 0 | - | 4.43 | 18,122 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,783 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,804 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,768 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,472 |
| Coldest World Capitals | 0 | - | 4.95 | 134,287 |
| World Currency Quiz | 0 | - | 4.92 | 307,572 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,329 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,982 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,280 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,251 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,826 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,940 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,348 |
| Buddhist Countries | 0 | - | 4.96 | 145,256 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,103,706 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,371 |
| The 2nd Millennium BC | 0 | - | 4.64 | 21,035 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,472 |
| History Analogies #1 | 0 | - | 4.53 | 90,417 |
| History Analogies #2 | 0 | - | 4.49 | 77,541 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 153,049 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 65,355 |
| Current Events by Year, 1930–1949 | 0 | - | 4.47 | 52,242 |
| Groups of Things - History #1 | 0 | - | 4.41 | 94,577 |
| History Analogies #3 | 0 | - | 4.61 | 80,984 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,818 |
| Which Came First? | 0 | - | 4.37 | 75,083 |
| Russian History A-Z | 0 | - | 4.35 | 32,299 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,260 |
| Random History by Country | 0 | - | 4.53 | 35,037 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 62,205 |
| Animals in World History | 0 | - | 4.74 | 44,711 |
| People - Real or Fictional? | 0 | - | 4.56 | 59,171 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,794 |
| History True or False #3 | 0 | - | 4.43 | 57,310 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,594 |
| The Dictator Files: Fidel Castro | 0 | - | 4.19 | 12,413 |
| A to Z: Legendary Creatures | 0 | - | 4.28 | 53,349 |
| WWII First Names | 0 | - | 4.45 | 42,014 |
| WWII for Dummies | 0 | - | 4.78 | 105,860 |
| 1950s Decade Quiz | 0 | - | 4.42 | 49,776 |
| 1960s Decade Quiz #2 | 0 | - | 4.45 | 45,605 |
| Cold War Trivia #1 | 0 | - | 4.42 | 57,615 |
| Events in History #1 | 0 | - | 4.35 | 158,242 |
| Events in Ancient History | 0 | - | 4.50 | 36,222 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,795 |
| Deaths by Date and Cause #1 | 0 | - | 4.38 | 95,580 |
| Deaths by Date and Cause #2 | 0 | - | 4.16 | 68,025 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,526 |
| Countries That Were Invaded | 0 | - | 4.55 | 98,316 |
| This Day in History - April | 0 | - | 4.40 | 44,523 |
| This Day in History - May | 0 | - | 4.33 | 48,482 |
| This Day in History - June | 0 | - | 4.32 | 33,554 |
| This Day in History - November | 0 | - | 4.24 | 33,654 |
| This Day in History - December | 0 | - | 4.32 | 40,611 |
| This Day in History - February | 0 | - | 4.38 | 39,885 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,802 |
| Battle to Country | 0 | - | 4.91 | 54,111 |
| The Life of King David | 0 | - | 4.37 | 14,151 |
| History Multiple Choice #1 | 0 | - | 4.41 | 82,405 |
| Years in History #2 - Multiple Choice | 0 | - | 4.42 | 41,830 |
| History Multiple Choice #2 | 0 | - | 4.43 | 50,236 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,936 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,635 |
| Three Real and One Fake - World History | 0 | - | 4.44 | 38,553 |
| English Royal Consorts | 0 | - | 4.38 | 37,558 |
| British History A-Z #1 | 0 | - | 4.45 | 47,331 |
| Kings of France Quiz | 0 | - | 4.22 | 32,969 |
| Dark Ages History | 0 | - | 4.42 | 32,834 |
| 30 Historical People You Probably Don't Know | 0 | - | 4.36 | 61,300 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 341,055 |
| 2016 Obituaries | 0 | - | 4.07 | 18,254 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,495 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,806 |
| Monarchies of Europe | 0 | - | 4.90 | 99,028 |
| Monarchies of Asia | 0 | - | 4.97 | 71,605 |
