| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 86,471 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,957 |
| World Leaders of the World Wars | 0 | - | 4.36 | 38,009 |
| WWII First Names | 0 | - | 4.45 | 41,940 |
| Countries in World War II | 0 | - | 4.53 | 917,887 |
| Countries in World War I | 0 | - | 4.88 | 228,989 |
| All World Leaders 2026 | 0 | - | 4.95 | 20,935 |
| Words for Leaders | 0 | - | 4.77 | 258,732 |
| Important Cities in WWII | 0 | - | 4.42 | 93,821 |
| WWII for Dummies | 0 | - | 4.78 | 105,526 |
| Prime Ministers of the UK | 0 | - | 4.95 | 441,809 |
| Canadian Prime Ministers | 0 | - | 4.64 | 57,862 |
| Political Figures by Last Name #1 | 0 | - | 4.56 | 68,665 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.48 | 15,919 |
| World Leaders by Picture | 0 | - | 4.36 | 266,566 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,734 |
| Famous Dictators #1 | 0 | - | 4.69 | 200,500 |
| Dictators by Picture | 0 | - | 4.18 | 49,378 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,597 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,421 |
| Historical Rulers #2 | 0 | - | 4.24 | 47,749 |
| Historical Rulers #1 | 0 | - | 4.34 | 119,489 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 110,291 |
| World Leaders Quiz #2 | 0 | - | 4.01 | 36,043 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.15 | 63,807 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,919 |
| Cities Bombed During WWII | 0 | - | 4.09 | 30,281 |
| Countries by Percent WWII Deaths | 0 | - | 4.07 | 30,177 |
| Battle to Country | 0 | - | 4.91 | 53,882 |
| Spouses of World Leaders | 0 | - | 4.18 | 12,371 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 25,147 |
| Prime Ministers of Australia | 0 | - | 4.51 | 32,169 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,763 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,603 |
| Name the English Monarchs | 0 | - | 4.91 | 505,839 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,064 |
| UN Secretaries-General | 0 | - | 4.40 | 7,838 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,687 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 94,370 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,655 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,183 |
| Name that Greek Letter | 0 | - | 4.93 | 324,813 |
| British History A-Z #1 | 0 | - | 4.45 | 47,180 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,301 |
| WWI... or WWII? | 0 | - | 4.85 | 143,201 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,647 |
| Ancient Rome - True or False? | 0 | - | 4.85 | 43,256 |
| Ancient Greek Words | 0 | - | 4.93 | 112,329 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,108 |
| "Second Best" History Edition | 0 | - | 4.94 | 63,903 |
| Political Figures by Last Name #2 | 0 | - | 3.91 | 16,898 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,429 |
| The Dictator Files: Fidel Castro | 0 | - | 4.19 | 12,384 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,819 |
| Countries of the Popes | 0 | - | 4.79 | 128,647 |
| Communist Countries in History | 0 | - | 4.63 | 497,760 |
| The Vietnam War | 0 | - | 4.44 | 35,633 |
| Political Quotes | 0 | - | 4.17 | 19,937 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,967 |
| German History A-Z | 0 | - | 4.49 | 24,882 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,161 |
| Metals of Antiquity | 0 | - | 4.95 | 93,841 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,584 |
| Empires by Maps | 0 | - | 4.98 | 121,643 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,076 |
| History: What Came First? #1 | 0 | - | 4.87 | 105,845 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,123 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,742 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,559 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 709,810 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 54,071 |
| The Life of Winston Churchill | 0 | - | 4.16 | 11,867 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,561 |
| Countries that Have Won the Most Battles | 0 | - | 4.01 | 39,748 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,576 |
| British History A-Z #2 | 0 | - | 4.24 | 11,570 |
| The Reign of Queen Victoria | 0 | - | 4.34 | 23,535 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,115 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,186 |
| Former Flags | 0 | - | 4.97 | 108,417 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,388 |
| Pope Facts | 0 | - | 4.39 | 31,363 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,296 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,848 |
| WWII Decoder | 0 | - | 4.41 | 53,772 |
| Flags of WW1 | 0 | - | 4.60 | 38,644 |
| Cold War Decoder | 0 | - | 4.83 | 52,596 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,828 |
| The American Civil War | 0 | - | 4.62 | 52,607 |
| U.S. Civil War Decoder | 0 | - | 4.14 | 25,333 |
| Roman History Vocabulary | 0 | - | 4.41 | 57,703 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,746 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,228 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,660 |
| European History for Dummies | 0 | - | 4.83 | 90,319 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,930 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,908 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,035 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,986 |
| NATO Countries | 0 | - | 4.98 | 282,997 |
| EU Countries Quiz | 0 | - | 4.99 | 277,324 |
| U.S. States by Governor | 0 | - | 4.43 | 18,109 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,753 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,457 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,760 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,648 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,477 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,972 |
| Influential Women in History | 0 | - | 4.42 | 36,264 |
| Cradles of Civilization | 0 | - | 4.46 | 40,200 |
| Spanish History A-Z | 0 | - | 4.37 | 19,488 |
| Italian History A-Z | 0 | - | 4.16 | 17,906 |
| Years in History by Picture | 0 | - | 4.44 | 35,729 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,791 |
| Materials From History #1 | 0 | - | 4.56 | 51,986 |
| Historical Countries by Ruler | 0 | - | 4.48 | 49,131 |
| Prime Ministers of Israel | 0 | - | 3.97 | 18,053 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,465 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,626 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,897 |
| WWII Geography | 0 | - | 4.81 | 120,882 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,637 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,143 |
| Territory Changes in World War I | 0 | - | 4.88 | 47,114 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,485 |
| Events in History #2 | 0 | - | 4.49 | 71,925 |
| Events in History #3 | 0 | - | 4.41 | 71,871 |
| Events in History #4 | 0 | - | 4.44 | 44,454 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,493 |
| Famous Explorers | 0 | - | 4.58 | 36,313 |
| Famous Empires by Description | 0 | - | 4.73 | 118,893 |
| Answers by Time Period | 0 | - | 4.64 | 55,821 |
| This Day in History - July | 0 | - | 4.49 | 36,503 |
| This Day in History - August | 0 | - | 4.42 | 43,412 |
| This Day in History - September | 0 | - | 4.55 | 57,550 |
| This Day in History - October | 0 | - | 4.49 | 37,678 |
| This Day in History - January | 0 | - | 4.48 | 46,779 |
| This Day in History - March | 0 | - | 4.45 | 43,739 |
| Ancient Civilizations | 0 | - | 4.64 | 38,101 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,161 |
| Roman History by Picture | 0 | - | 4.46 | 26,567 |
| Military History Vocabulary | 0 | - | 4.91 | 67,582 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.33 | 8,357 |
| The Places They Went #1 | 0 | - | 4.74 | 33,567 |
| The Life of King David | 0 | - | 4.37 | 14,143 |
| Famous Inventors | 0 | - | 4.44 | 43,589 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,211 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,651 |
| English Royal Consorts | 0 | - | 4.38 | 37,502 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.32 | 62,514 |
| Kings of France Quiz | 0 | - | 4.20 | 32,899 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.08 | 1,016,076 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 339,001 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,703 |
| Senators Who Ran For President | 0 | - | 4.24 | 17,077 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,209 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,558 |
| U.S. Electoral College Landslides | 0 | - | 4.35 | 22,081 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.22 | 10,897 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,996 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,568 |
| Star Wars Quotes | 0 | - | 4.86 | 185,919 |
| Monarchies of Europe | 0 | - | 4.90 | 98,752 |
| Monarchies of Asia | 0 | - | 4.97 | 71,444 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,759 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,685 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,694 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 53,017 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,435,915 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,228 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 93,882 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,890 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,980 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,499 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,219 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,904 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,746 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,422 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,409 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 67,521 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,277 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,680 |
| Orthodox Countries | 0 | - | 4.92 | 132,673 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,211 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,381 |
| Click a Valid Country A-Z | 0 | - | 4.97 | 536,830 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,917 |
| Click a Valid World Capital A-Z | 0 | - | 4.84 | 91,280 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 38,508 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 342,634 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,770 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,037 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,439 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,232 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,638 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,924 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,950 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,221 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,574 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,494 |
