| All World Leaders 2026 | 0 | - | 4.95 | 21,177 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,680 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,806 |
| Famous Dictators #1 | 0 | - | 4.69 | 200,807 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,490 |
| Historical Rulers #2 | 0 | - | 4.24 | 47,820 |
| Historical Rulers #1 | 0 | - | 4.34 | 119,613 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 110,385 |
| World Leaders Quiz #2 | 0 | - | 4.01 | 36,115 |
| Words for Leaders | 0 | - | 4.77 | 259,330 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,885 |
| UN Secretaries-General | 0 | - | 4.40 | 7,859 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,703 |
| NATO Countries | 0 | - | 4.98 | 284,215 |
| EU Countries Quiz | 0 | - | 4.99 | 279,136 |
| Prime Ministers of the UK | 0 | - | 4.95 | 443,371 |
| "Second Best" History Edition | 0 | - | 4.94 | 64,433 |
| World Leaders of the Cold War | 0 | - | 4.26 | 25,489 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.78 | 78,411 |
| Military History Vocabulary | 0 | - | 4.92 | 67,782 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 241,020 |
| Political Figures by Last Name #1 | 0 | - | 4.56 | 68,849 |
| World Leaders by Picture | 0 | - | 4.36 | 267,141 |
| Canadian Prime Ministers | 0 | - | 4.64 | 58,032 |
| World Leaders of the World Wars | 0 | - | 4.36 | 38,087 |
| Prime Ministers of Australia | 0 | - | 4.51 | 32,250 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.16 | 64,233 |
| All OPEC Countries Ever | 0 | - | 4.70 | 100,482 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,188 |
| Former Countries by Territory Map | 0 | - | 4.96 | 104,284 |
| Empires by Maps | 0 | - | 4.98 | 122,675 |
| WWII Geography | 0 | - | 4.81 | 121,543 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,535 |
| The 7 Wonders of the Ancient World | 0 | - | 4.86 | 82,677 |
| Name the English Monarchs | 0 | - | 4.91 | 507,586 |
| Dictators by Picture | 0 | - | 4.18 | 49,456 |
| Political Quotes | 0 | - | 4.17 | 19,963 |
| Influential Women in History | 0 | - | 4.43 | 36,600 |
| Metals of Antiquity | 0 | - | 4.95 | 94,047 |
| Cradles of Civilization | 0 | - | 4.46 | 40,562 |
| Materials From History #1 | 0 | - | 4.56 | 52,139 |
| Materials From History #2 | 0 | - | 4.59 | 31,640 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,249 |
| Historical Countries by Ruler | 0 | - | 4.48 | 49,360 |
| History: What Came First? #1 | 0 | - | 4.87 | 106,180 |
| Spouses of World Leaders | 0 | - | 4.18 | 12,383 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 25,194 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.48 | 15,955 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 710,902 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 54,262 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,780 |
| Famous Explorers | 0 | - | 4.58 | 36,418 |
| Famous Empires by Description | 0 | - | 4.74 | 119,088 |
| Answers by Time Period | 0 | - | 4.64 | 55,950 |
| Coups d'Etat - Name the Country | 0 | - | 4.43 | 42,482 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,734 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,268 |
| Top 10 Oldest African Countries | 0 | - | 4.87 | 28,323 |
| Popular Royal Names | 0 | - | 4.27 | 125,477 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,146 |
| First Names of Painters | 0 | - | 4.43 | 60,124 |
| Name a Valid Year in History | 0 | - | 4.93 | 68,176 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,327 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,815 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 292,083 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 278,267 |
| Countries with NO Military | 0 | - | 4.97 | 63,671 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 150,105 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,237 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,915 |
| Books of the Protestant Bible | 0 | - | 4.85 | 212,405 |
| Years in History by Picture | 0 | - | 4.45 | 35,958 |
| History of The Netherlands | 0 | - | 4.46 | 17,580 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,913 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,773 |
| Name the Popes Quiz | 0 | - | 4.47 | 139,117 |
| Countries of the Popes | 0 | - | 4.78 | 128,936 |
| Events in History #2 | 0 | - | 4.49 | 72,050 |
| Events in History #3 | 0 | - | 4.41 | 71,969 |
| Events in History #4 | 0 | - | 4.44 | 44,537 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 49,200 |
| Assassinations in History | 0 | - | 4.21 | 66,482 |
| Famous Founders in the U.S. | 0 | - | 4.03 | 34,845 |
| Famous Seconds | 0 | - | 4.22 | 46,901 |
| Ages and Eras | 0 | - | 4.39 | 67,984 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,588 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,954 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,338 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 76,177 |
| Female Historical Figures | 0 | - | 4.28 | 33,414 |
| Historical Blunders | 0 | - | 4.34 | 92,765 |
| Territorial Accessions | 0 | - | 4.34 | 34,965 |
| People Known as "The Great" | 0 | - | 4.46 | 24,819 |
| This Day in History - July | 0 | - | 4.49 | 36,527 |
| This Day in History - August | 0 | - | 4.42 | 43,451 |
| This Day in History - September | 0 | - | 4.55 | 57,602 |
| This Day in History - October | 0 | - | 4.49 | 37,706 |
| This Day in History - January | 0 | - | 4.48 | 46,820 |
| This Day in History - March | 0 | - | 4.45 | 43,770 |
| Ancient Civilizations | 0 | - | 4.64 | 38,177 |
| The Places They Went #1 | 0 | - | 4.74 | 33,590 |
| Famous Inventors | 0 | - | 4.44 | 43,623 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.08 | 1,017,255 |
| People Portrayed by Andy Warhol | 0 | - | 4.35 | 38,303 |
| 2010s Obituaries | 0 | - | 4.46 | 26,243 |
| 7 Deadly Sins | 0 | - | 4.88 | 405,022 |
| Majority Muslim Countries | 0 | - | 4.98 | 378,622 |
| Former Flags | 0 | - | 4.97 | 108,872 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,526 |
| Political Figures by Last Name #2 | 0 | - | 3.91 | 16,945 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.46 | 26,974 |
| WWII Decoder | 0 | - | 4.41 | 53,929 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,990 |
| Cold War Decoder | 0 | - | 4.83 | 52,720 |
| Countries Invaded by the USSR | 0 | - | 4.30 | 94,528 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,362 |
| European History for Dummies | 0 | - | 4.83 | 90,510 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 32,008 |
| Houses of British Monarchs | 0 | - | 4.54 | 66,043 |
| U.S. States by Governor | 0 | - | 4.43 | 18,126 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,790 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,813 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,793 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,514 |
| Coldest World Capitals | 0 | - | 4.95 | 134,345 |
| World Currency Quiz | 0 | - | 4.92 | 307,812 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,459 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 125,092 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,308 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,273 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,860 |
| Countries with the Most Christians | 0 | - | 4.93 | 145,009 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,398 |
| Buddhist Countries | 0 | - | 4.96 | 145,304 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,104,038 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,537 |
| The 2nd Millennium BC | 0 | - | 4.64 | 21,043 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,481 |
| History Analogies #1 | 0 | - | 4.53 | 90,423 |
| History Analogies #2 | 0 | - | 4.49 | 77,547 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 153,073 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 65,371 |
| Current Events by Year, 1930–1949 | 0 | - | 4.47 | 52,249 |
| Groups of Things - History #1 | 0 | - | 4.41 | 94,605 |
| History Analogies #3 | 0 | - | 4.61 | 80,992 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.74 | 58,838 |
| Which Came First? | 0 | - | 4.37 | 75,100 |
| Russian History A-Z | 0 | - | 4.35 | 32,324 |
| Christopher Columbus Quiz | 0 | - | 4.26 | 8,356 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,263 |
| Random History by Country | 0 | - | 4.53 | 35,041 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 62,224 |
| Animals in World History | 0 | - | 4.74 | 44,729 |
| People - Real or Fictional? | 0 | - | 4.56 | 59,185 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,803 |
| History True or False #3 | 0 | - | 4.43 | 57,332 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,596 |
| A to Z: Legendary Creatures | 0 | - | 4.28 | 53,368 |
| WWII First Names | 0 | - | 4.45 | 42,026 |
| WWII for Dummies | 0 | - | 4.78 | 105,915 |
| 1950s Decade Quiz | 0 | - | 4.42 | 49,786 |
| 1960s Decade Quiz #2 | 0 | - | 4.45 | 45,614 |
| Cold War Trivia #1 | 0 | - | 4.42 | 57,622 |
| Events in History #1 | 0 | - | 4.35 | 158,270 |
| Events in Ancient History | 0 | - | 4.50 | 36,235 |
| Born Here on This Date #1 | 0 | - | 3.92 | 35,459 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,804 |
| Titled People Quiz #2 | 0 | - | 4.38 | 26,854 |
| Deaths by Date and Cause #1 | 0 | - | 4.38 | 95,595 |
| Deaths by Date and Cause #2 | 0 | - | 4.16 | 68,043 |
| Job Titles Quiz #2 | 0 | - | 3.62 | 37,374 |
| Famous Ships Quiz | 0 | - | 4.25 | 29,307 |
| Famous Short People | 0 | - | 4.37 | 18,119 |
| Name the Alliance | 0 | - | 4.29 | 30,049 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,575 |
| Famous Documents | 0 | - | 4.05 | 21,877 |
| Countries That Were Invaded | 0 | - | 4.55 | 98,349 |
| Legendary Deeds | 0 | - | 4.16 | 28,965 |
| Disasters in History | 0 | - | 4.40 | 25,767 |
| Executions in History | 0 | - | 4.30 | 17,034 |
| This Day in History - April | 0 | - | 4.40 | 44,532 |
| This Day in History - May | 0 | - | 4.33 | 48,489 |
| This Day in History - June | 0 | - | 4.32 | 33,559 |
| This Day in History - November | 0 | - | 4.24 | 33,658 |
| This Day in History - December | 0 | - | 4.32 | 40,616 |
| This Day in History - February | 0 | - | 4.38 | 39,893 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,806 |
| Battle to Country | 0 | - | 4.91 | 54,151 |
| The Life of King David | 0 | - | 4.37 | 14,153 |
| History Multiple Choice #1 | 0 | - | 4.41 | 82,423 |
| Years in History #2 - Multiple Choice | 0 | - | 4.42 | 41,847 |
| History Multiple Choice #2 | 0 | - | 4.43 | 50,245 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,941 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,640 |
| Three Real and One Fake - World History | 0 | - | 4.44 | 38,561 |
| British History A-Z #1 | 0 | - | 4.45 | 47,358 |
| Dark Ages History | 0 | - | 4.42 | 32,845 |
| 30 Historical People You Probably Don't Know | 0 | - | 4.36 | 61,322 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 341,208 |
| 2016 Obituaries | 0 | - | 4.07 | 18,257 |
