| The Dictator Files: Adolf Hitler | 0 | - | 4.78 | 78,404 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,771 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 86,815 |
| World Leaders of the World Wars | 0 | - | 4.36 | 38,083 |
| Countries in World War I | 0 | - | 4.88 | 229,471 |
| Countries in World War II | 0 | - | 4.54 | 920,425 |
| WWII First Names | 0 | - | 4.45 | 42,019 |
| Important Cities in WWII | 0 | - | 4.42 | 94,286 |
| All World Leaders 2026 | 0 | - | 4.95 | 21,145 |
| Words for Leaders | 0 | - | 4.77 | 259,270 |
| Political Figures by Last Name #1 | 0 | - | 4.56 | 68,837 |
| WWII for Dummies | 0 | - | 4.78 | 105,889 |
| Name the English Monarchs | 0 | - | 4.91 | 507,450 |
| Prime Ministers of the UK | 0 | - | 4.95 | 443,227 |
| Cities Bombed During WWII | 0 | - | 4.09 | 30,360 |
| Countries by Percent WWII Deaths | 0 | - | 4.05 | 30,263 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,672 |
| World Leaders by Picture | 0 | - | 4.36 | 267,112 |
| Canadian Prime Ministers | 0 | - | 4.64 | 58,020 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,802 |
| Famous Dictators #1 | 0 | - | 4.69 | 200,779 |
| Dictators by Picture | 0 | - | 4.18 | 49,452 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,481 |
| Historical Rulers #2 | 0 | - | 4.24 | 47,815 |
| Historical Rulers #1 | 0 | - | 4.34 | 119,606 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 110,378 |
| World Leaders Quiz #2 | 0 | - | 4.01 | 36,110 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.46 | 26,970 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,225 |
| Spouses of World Leaders | 0 | - | 4.18 | 12,382 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 25,191 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.16 | 64,198 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,877 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.48 | 15,953 |
| Battle to Country | 0 | - | 4.91 | 54,130 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,171 |
| UN Secretaries-General | 0 | - | 4.40 | 7,859 |
| Prime Ministers of Australia | 0 | - | 4.51 | 32,244 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,702 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,478 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,948 |
| WWII Decoder | 0 | - | 4.41 | 53,922 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 192,021 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 653,059 |
| Name that Greek Letter | 0 | - | 4.93 | 325,328 |
| Countries Italy Declared War On | 0 | - | 4.74 | 48,284 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 32,006 |
| Houses of British Monarchs | 0 | - | 4.54 | 66,032 |
| The Trojan War | 0 | - | 4.83 | 40,086 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,253 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,955 |
| WWI... or WWII? | 0 | - | 4.85 | 143,857 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,657 |
| Countries Invaded by the USSR | 0 | - | 4.30 | 94,513 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,703 |
| Roman Emperors | 0 | - | 4.95 | 121,457 |
| British History A-Z #1 | 0 | - | 4.45 | 47,345 |
| "Second Best" History Edition | 0 | - | 4.94 | 64,411 |
| Political Figures by Last Name #2 | 0 | - | 3.91 | 16,942 |
| World Leaders of the Cold War | 0 | - | 4.26 | 25,483 |
| The Dictator Files: Fidel Castro | 0 | - | 4.19 | 12,413 |
| Name the Popes Quiz | 0 | - | 4.47 | 139,102 |
| Countries of the Popes | 0 | - | 4.79 | 128,909 |
| The Vietnam War | 0 | - | 4.44 | 35,694 |
| Political Quotes | 0 | - | 4.17 | 19,963 |
| English Royal Consorts | 0 | - | 4.38 | 37,570 |
| Former Countries by Territory Map | 0 | - | 4.96 | 104,248 |
| Empires by Maps | 0 | - | 4.98 | 122,605 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,145 |
| The Life of Winston Churchill | 0 | - | 4.16 | 11,884 |
| Communist Countries in History | 0 | - | 4.63 | 498,811 |
| The 7 Wonders of the Ancient World | 0 | - | 4.86 | 82,673 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 36,031 |
| German History A-Z | 0 | - | 4.49 | 24,951 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,253 |
| Top 10 Oldest African Countries | 0 | - | 4.87 | 28,308 |
| Metals of Antiquity | 0 | - | 4.95 | 94,038 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,236 |
| History: What Came First? #1 | 0 | - | 4.87 | 106,153 |
| History - Did They Have It? | 0 | - | 4.85 | 62,348 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,770 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,594 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 710,794 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,490 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 54,252 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,975 |
| WWII True or False? | 0 | - | 4.57 | 58,106 |
| Name a Valid Year in History | 0 | - | 4.93 | 68,141 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,399 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,269 |
| Roman Names for Places | 0 | - | 4.62 | 58,793 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,893 |
| Countries that Have Won the Most Battles | 0 | - | 4.01 | 39,823 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,725 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,358 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,106 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,320 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,809 |
| All Modern-Day Countries Ever Controlled by the British | 0 | - | 4.81 | 50,285 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,900 |
| British Royal Titles | 0 | - | 4.18 | 20,033 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,575 |
| British History A-Z #2 | 0 | - | 4.28 | 12,029 |
| The Reign of Queen Victoria | 0 | - | 4.34 | 23,572 |
| French History A-Z | 0 | - | 4.27 | 25,198 |
| NATO Countries | 0 | - | 4.98 | 284,083 |
| EU Countries Quiz | 0 | - | 4.99 | 278,984 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,197 |
| U.S. States by Governor | 0 | - | 4.43 | 18,123 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,785 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,808 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,780 |
| Name a Valid Answer - British History | 0 | - | 4.57 | 15,255 |
| Influential Women in History | 0 | - | 4.43 | 36,584 |
| Cradles of Civilization | 0 | - | 4.46 | 40,554 |
| Former Flags | 0 | - | 4.97 | 108,845 |
| Materials From History #1 | 0 | - | 4.56 | 52,131 |
| Materials From History #2 | 0 | - | 4.59 | 31,630 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,513 |
| Historical Countries by Ruler | 0 | - | 4.48 | 49,353 |
| Historic Orient Express Routes Map | 0 | - | 5.00 | 53,918 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,695 |
| Pope Facts | 0 | - | 4.39 | 31,430 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,147 |
| Cold War Decoder | 0 | - | 4.83 | 52,714 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,768 |
| Famous Explorers | 0 | - | 4.58 | 36,413 |
| Famous Empires by Description | 0 | - | 4.73 | 119,072 |
| Answers by Time Period | 0 | - | 4.64 | 55,941 |
| Coups d'Etat - Name the Country | 0 | - | 4.43 | 42,441 |
| The American Civil War | 0 | - | 4.62 | 52,665 |
| U.S. Civil War Decoder | 0 | - | 4.14 | 25,346 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,278 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,596 |
| Military History Vocabulary | 0 | - | 4.92 | 67,772 |
| The Life of King David | 0 | - | 4.37 | 14,151 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,342 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,732 |
| European History for Dummies | 0 | - | 4.83 | 90,493 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,156 |
| British History Quiz for Dummies | 0 | - | 4.70 | 79,161 |
| Animals in British History | 0 | - | 4.43 | 26,121 |
| Kings of France Quiz | 0 | - | 4.22 | 32,972 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,993 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,502 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 29,098 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,824 |
| Monarchies of Europe | 0 | - | 4.90 | 99,048 |
| Monarchies of Asia | 0 | - | 4.97 | 71,618 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,567 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,967 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,728 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,372 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 67,756 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,663 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,919 |
| Orthodox Countries | 0 | - | 4.92 | 132,982 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,495 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,619 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 344,023 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,366 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,477 |
| History Analogies #1 | 0 | - | 4.53 | 90,421 |
| History Analogies #2 | 0 | - | 4.49 | 77,546 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 153,061 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 65,366 |
| Current Events by Year, 1930–1949 | 0 | - | 4.47 | 52,245 |
| Groups of Things - History #1 | 0 | - | 4.41 | 94,588 |
| History Analogies #3 | 0 | - | 4.61 | 80,987 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,831 |
| Spanish History A-Z | 0 | - | 4.37 | 19,539 |
| Italian History A-Z | 0 | - | 4.16 | 17,959 |
| Years in History by Picture | 0 | - | 4.45 | 35,949 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,901 |
| Random History by Country | 0 | - | 4.53 | 35,039 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 62,215 |
| Animals in World History | 0 | - | 4.74 | 44,722 |
| People - Real or Fictional? | 0 | - | 4.56 | 59,180 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,801 |
| History True or False #3 | 0 | - | 4.43 | 57,320 |
| Prime Ministers of Israel | 0 | - | 3.97 | 18,100 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,677 |
| Mythology A-Z | 0 | - | 4.31 | 37,454 |
| WWII Geography | 0 | - | 4.81 | 121,521 |
| Normandy D-Day Beaches | 0 | - | 4.84 | 40,793 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,506 |
| 1950s Decade Quiz | 0 | - | 4.42 | 49,779 |
| 1960s Decade Quiz #2 | 0 | - | 4.45 | 45,607 |
| Territory Changes in World War I | 0 | - | 4.88 | 47,369 |
| Cold War Trivia #1 | 0 | - | 4.42 | 57,617 |
| Events in History #2 | 0 | - | 4.49 | 72,039 |
| Events in History #3 | 0 | - | 4.41 | 71,960 |
| Events in History #4 | 0 | - | 4.44 | 44,533 |
| Events in Ancient History | 0 | - | 4.50 | 36,228 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 49,198 |
| Assassinations in History | 0 | - | 4.21 | 66,472 |
| Famous Founders in the U.S. | 0 | - | 4.02 | 34,834 |
| Famous Seconds | 0 | - | 4.22 | 46,898 |
| Ages and Eras | 0 | - | 4.39 | 67,977 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,588 |
