| The Dictator Files: Adolf Hitler | 0 | - | 4.78 | 78,409 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,813 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 86,828 |
| World Leaders of the World Wars | 0 | - | 4.36 | 38,086 |
| Countries in World War I | 0 | - | 4.88 | 229,501 |
| Countries in World War II | 0 | - | 4.55 | 920,590 |
| WWII First Names | 0 | - | 4.45 | 42,024 |
| Important Cities in WWII | 0 | - | 4.42 | 94,297 |
| All World Leaders 2026 | 0 | - | 4.95 | 21,166 |
| Words for Leaders | 0 | - | 4.77 | 259,310 |
| Political Figures by Last Name #1 | 0 | - | 4.56 | 68,848 |
| WWII for Dummies | 0 | - | 4.78 | 105,907 |
| Name the English Monarchs | 0 | - | 4.91 | 507,540 |
| Prime Ministers of the UK | 0 | - | 4.95 | 443,328 |
| Cities Bombed During WWII | 0 | - | 4.09 | 30,363 |
| Countries by Percent WWII Deaths | 0 | - | 4.05 | 30,265 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,678 |
| World Leaders by Picture | 0 | - | 4.36 | 267,130 |
| Canadian Prime Ministers | 0 | - | 4.64 | 58,028 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,806 |
| Famous Dictators #1 | 0 | - | 4.69 | 200,798 |
| Dictators by Picture | 0 | - | 4.18 | 49,454 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,486 |
| Historical Rulers #2 | 0 | - | 4.24 | 47,816 |
| Historical Rulers #1 | 0 | - | 4.34 | 119,612 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 110,383 |
| World Leaders Quiz #2 | 0 | - | 4.01 | 36,114 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.46 | 26,971 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,229 |
| Spouses of World Leaders | 0 | - | 4.18 | 12,382 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 25,194 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.16 | 64,221 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,884 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.48 | 15,953 |
| Battle to Country | 0 | - | 4.91 | 54,146 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,179 |
| UN Secretaries-General | 0 | - | 4.40 | 7,859 |
| Prime Ministers of Australia | 0 | - | 4.51 | 32,250 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,703 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,488 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,953 |
| WWII Decoder | 0 | - | 4.41 | 53,927 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 192,059 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 653,203 |
| Name that Greek Letter | 0 | - | 4.93 | 325,364 |
| Countries Italy Declared War On | 0 | - | 4.74 | 48,454 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 32,007 |
| Houses of British Monarchs | 0 | - | 4.54 | 66,040 |
| The Trojan War | 0 | - | 4.83 | 40,103 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,304 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 128,023 |
| WWI... or WWII? | 0 | - | 4.85 | 143,890 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,658 |
| Countries Invaded by the USSR | 0 | - | 4.30 | 94,524 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,713 |
| Roman Emperors | 0 | - | 4.95 | 121,483 |
| British History A-Z #1 | 0 | - | 4.45 | 47,357 |
| "Second Best" History Edition | 0 | - | 4.94 | 64,425 |
| Political Figures by Last Name #2 | 0 | - | 3.91 | 16,945 |
| World Leaders of the Cold War | 0 | - | 4.26 | 25,485 |
| The Dictator Files: Fidel Castro | 0 | - | 4.19 | 12,414 |
| Name the Popes Quiz | 0 | - | 4.47 | 139,112 |
| Countries of the Popes | 0 | - | 4.78 | 128,928 |
| The Vietnam War | 0 | - | 4.44 | 35,696 |
| Political Quotes | 0 | - | 4.17 | 19,963 |
| English Royal Consorts | 0 | - | 4.38 | 37,574 |
| Former Countries by Territory Map | 0 | - | 4.96 | 104,269 |
| Empires by Maps | 0 | - | 4.98 | 122,657 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,146 |
| The Life of Winston Churchill | 0 | - | 4.16 | 11,884 |
| Communist Countries in History | 0 | - | 4.63 | 498,873 |
| The 7 Wonders of the Ancient World | 0 | - | 4.86 | 82,675 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 36,034 |
| German History A-Z | 0 | - | 4.49 | 24,954 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,265 |
| Top 10 Oldest African Countries | 0 | - | 4.87 | 28,316 |
| Metals of Antiquity | 0 | - | 4.95 | 94,045 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,244 |
| History: What Came First? #1 | 0 | - | 4.87 | 106,169 |
| History - Did They Have It? | 0 | - | 4.85 | 62,354 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,771 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,594 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 710,867 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,515 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 54,255 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,985 |
| WWII True or False? | 0 | - | 4.57 | 58,118 |
| Name a Valid Year in History | 0 | - | 4.93 | 68,168 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,403 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,272 |
| Roman Names for Places | 0 | - | 4.62 | 58,802 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,903 |
| Countries that Have Won the Most Battles | 0 | - | 4.01 | 39,823 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,729 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,362 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,112 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,324 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,815 |
| All Modern-Day Countries Ever Controlled by the British | 0 | - | 4.81 | 50,293 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,901 |
| British Royal Titles | 0 | - | 4.18 | 20,037 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,577 |
| British History A-Z #2 | 0 | - | 4.28 | 12,049 |
| The Reign of Queen Victoria | 0 | - | 4.34 | 23,574 |
| French History A-Z | 0 | - | 4.27 | 25,207 |
| NATO Countries | 0 | - | 4.98 | 284,164 |
| EU Countries Quiz | 0 | - | 4.99 | 279,080 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,207 |
| U.S. States by Governor | 0 | - | 4.43 | 18,125 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,789 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,809 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,788 |
| Name a Valid Answer - British History | 0 | - | 4.57 | 15,256 |
| Influential Women in History | 0 | - | 4.43 | 36,595 |
| Cradles of Civilization | 0 | - | 4.46 | 40,560 |
| Former Flags | 0 | - | 4.97 | 108,869 |
| Materials From History #1 | 0 | - | 4.56 | 52,134 |
| Materials From History #2 | 0 | - | 4.59 | 31,634 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,526 |
| Historical Countries by Ruler | 0 | - | 4.48 | 49,357 |
| Historic Orient Express Routes Map | 0 | - | 5.00 | 53,944 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,700 |
| Pope Facts | 0 | - | 4.39 | 31,435 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,255 |
| Cold War Decoder | 0 | - | 4.83 | 52,718 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,777 |
| Famous Explorers | 0 | - | 4.58 | 36,417 |
| Famous Empires by Description | 0 | - | 4.74 | 119,083 |
| Answers by Time Period | 0 | - | 4.64 | 55,946 |
| Coups d'Etat - Name the Country | 0 | - | 4.43 | 42,471 |
| The American Civil War | 0 | - | 4.62 | 52,667 |
| U.S. Civil War Decoder | 0 | - | 4.14 | 25,349 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,278 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,598 |
| Military History Vocabulary | 0 | - | 4.92 | 67,780 |
| The Life of King David | 0 | - | 4.37 | 14,152 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,358 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,734 |
| European History for Dummies | 0 | - | 4.83 | 90,507 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,170 |
| British History Quiz for Dummies | 0 | - | 4.70 | 79,174 |
| Animals in British History | 0 | - | 4.43 | 26,122 |
| Kings of France Quiz | 0 | - | 4.22 | 32,975 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 241,012 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,505 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 29,104 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,838 |
| Monarchies of Europe | 0 | - | 4.90 | 99,064 |
| Monarchies of Asia | 0 | - | 4.97 | 71,631 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,578 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,998 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,755 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,388 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 67,767 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,688 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,928 |
| Orthodox Countries | 0 | - | 4.92 | 133,000 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,508 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,629 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 344,112 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,374 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,480 |
| 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 | 153,068 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 65,369 |
| Current Events by Year, 1930–1949 | 0 | - | 4.47 | 52,247 |
| Groups of Things - History #1 | 0 | - | 4.41 | 94,600 |
| History Analogies #3 | 0 | - | 4.61 | 80,991 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.74 | 58,837 |
| Spanish History A-Z | 0 | - | 4.37 | 19,539 |
| Italian History A-Z | 0 | - | 4.16 | 17,961 |
| Years in History by Picture | 0 | - | 4.45 | 35,955 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,910 |
| Random History by Country | 0 | - | 4.53 | 35,041 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 62,220 |
| Animals in World History | 0 | - | 4.74 | 44,727 |
| People - Real or Fictional? | 0 | - | 4.56 | 59,183 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,802 |
| History True or False #3 | 0 | - | 4.43 | 57,330 |
| Prime Ministers of Israel | 0 | - | 3.97 | 18,104 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,698 |
| Mythology A-Z | 0 | - | 4.31 | 37,461 |
| WWII Geography | 0 | - | 4.81 | 121,536 |
| Normandy D-Day Beaches | 0 | - | 4.84 | 40,803 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,525 |
| 1950s Decade Quiz | 0 | - | 4.42 | 49,786 |
| 1960s Decade Quiz #2 | 0 | - | 4.45 | 45,613 |
| Territory Changes in World War I | 0 | - | 4.88 | 47,386 |
| Cold War Trivia #1 | 0 | - | 4.42 | 57,620 |
| Events in History #2 | 0 | - | 4.49 | 72,045 |
| Events in History #3 | 0 | - | 4.41 | 71,965 |
| Events in History #4 | 0 | - | 4.44 | 44,536 |
| Events in Ancient History | 0 | - | 4.50 | 36,235 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 49,199 |
| Assassinations in History | 0 | - | 4.21 | 66,479 |
| Famous Founders in the U.S. | 0 | - | 4.03 | 34,841 |
| Famous Seconds | 0 | - | 4.22 | 46,899 |
| Ages and Eras | 0 | - | 4.39 | 67,980 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,588 |
