| All World Leaders 2026 | 0 | - | 4.94 | 20,503 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,580 |
| Famous Dictators #1 | 0 | - | 4.69 | 200,067 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,506 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,313 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,550 |
| Historical Rulers #1 | 0 | - | 4.35 | 119,052 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 110,133 |
| World Leaders Quiz #2 | 0 | - | 4.01 | 35,913 |
| Words for Leaders | 0 | - | 4.77 | 257,818 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,607 |
| UN Secretaries-General | 0 | - | 4.40 | 7,816 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,651 |
| Prime Ministers of the UK | 0 | - | 4.95 | 440,138 |
| NATO Countries | 0 | - | 4.98 | 281,640 |
| EU Countries Quiz | 0 | - | 4.99 | 275,663 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 78,070 |
| Political Figures by Last Name #1 | 0 | - | 4.56 | 68,204 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,336 |
| Military History Vocabulary | 0 | - | 4.91 | 67,305 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,766 |
| Countries that Start with A | 0 | - | 4.98 | 2,167,017 |
| Countries that Start with B | 0 | - | 4.95 | 2,298,386 |
| Countries that Start with C | 0 | - | 4.96 | 1,825,253 |
| Countries that Start with D | 0 | - | 4.96 | 711,933 |
| Countries that Start with E | 0 | - | 4.95 | 1,379,862 |
| Countries that Start with G | 0 | - | 4.97 | 1,506,123 |
| Countries that Start with H | 0 | - | 4.96 | 606,367 |
| Countries that Start with I | 0 | - | 4.92 | 1,290,408 |
| Countries that Start with J | 0 | - | 4.98 | 603,963 |
| Countries that Start with K | 0 | - | 4.97 | 817,503 |
| Countries that Start with L | 0 | - | 4.98 | 1,092,752 |
| Countries that Start with N | 0 | - | 4.93 | 1,119,825 |
| Countries that Start with P | 0 | - | 4.94 | 1,218,193 |
| Countries that Start with S | 0 | - | 4.98 | 1,757,755 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,403 |
| Countries that Start with U | 0 | - | 4.97 | 905,740 |
| Countries that Start with V | 0 | - | 4.98 | 610,207 |
| Countries that Start with F | 0 | - | 4.83 | 618,844 |
| Countries that Start with M | 0 | - | 4.97 | 1,383,960 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,727 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 97,949 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 86,892 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,615 |
| "Second Best" History Edition | 0 | - | 4.94 | 63,535 |
| World Leaders of the World Wars | 0 | - | 4.36 | 37,905 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.20 | 49,142 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,944 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,484 |
| World Leaders by Picture | 0 | - | 4.36 | 265,854 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,651 |
| Prime Ministers of Australia | 0 | - | 4.50 | 32,013 |
| Name the English Monarchs | 0 | - | 4.91 | 504,056 |
| All OPEC Countries Ever | 0 | - | 4.74 | 99,289 |
| Dictators by Picture | 0 | - | 4.18 | 49,252 |
| WWII Geography | 0 | - | 4.81 | 120,582 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,788 |
| One Country By Letter By Continent | 0 | - | 5.00 | 124,528 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,381 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,502 |
| Name a Country A-Z | 0 | - | 5.00 | 244,275 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,167 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,128 |
| Empires by Maps | 0 | - | 4.98 | 120,977 |
| Russian History A-Z | 0 | - | 4.35 | 31,875 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,180 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 53,889 |
| Political Quotes | 0 | - | 4.17 | 19,911 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,475 |
| British History A-Z #1 | 0 | - | 4.45 | 46,586 |
| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,642 |
| One Country By Letter By Continent on the Map | 0 | - | 4.99 | 47,542 |
| Metals of Antiquity | 0 | - | 4.95 | 93,617 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,880 |
| Spouses of World Leaders | 0 | - | 4.18 | 12,338 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 25,022 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,412 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,057 |
| Countries that Start with R | 0 | - | 4.43 | 448,463 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,271 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,994 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 120,393 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,789 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,344 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,012 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,342 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,216 |
| European Geography By Letter - R | 0 | - | 4.42 | 94,022 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,293 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,846 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,504 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,014 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,477 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,847 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,895 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,135 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,045 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,354 |
| Influential Women in History | 0 | - | 4.42 | 36,088 |
| Cradles of Civilization | 0 | - | 4.46 | 40,058 |
| Spanish History A-Z | 0 | - | 4.37 | 19,324 |
| Italian History A-Z | 0 | - | 4.21 | 17,741 |
| Popular Royal Names | 0 | - | 4.27 | 125,088 |
| Materials From History #1 | 0 | - | 4.56 | 51,847 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,099 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,442 |
| Countries of the Popes | 0 | - | 4.79 | 128,355 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 708,622 |
| First Names of Painters | 0 | - | 4.43 | 59,920 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,217 |
| Famous Explorers | 0 | - | 4.58 | 36,253 |
| Famous Empires by Description | 0 | - | 4.73 | 118,680 |
| Answers by Time Period | 0 | - | 4.64 | 55,709 |
| German History A-Z | 0 | - | 4.49 | 24,665 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,424 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,165 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,948 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,002 |
| History of The Netherlands | 0 | - | 4.46 | 17,488 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,705 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 94,163 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,428 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,590 |
| Countries with NO Military | 0 | - | 4.97 | 62,666 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,996 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,806 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,281 |
| 7 Deadly Sins | 0 | - | 4.88 | 401,579 |
| Books of the Protestant Bible | 0 | - | 4.84 | 210,800 |
| The Bible A-Z | 0 | - | 4.29 | 59,850 |
| Majority Muslim Countries | 0 | - | 4.98 | 375,665 |
| Colors by Letter | 0 | - | 4.25 | 162,703 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,145 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,274 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,623 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,475 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,158 |
| European Geography By Letter - I | 0 | - | 4.09 | 95,902 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,542 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,021 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,153 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,017 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,291 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,880 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,840 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,311 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,451 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,807 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,661 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,095 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,847 |
| European Geography A-Z | 0 | - | 4.29 | 49,368 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,565 |
| Former Flags | 0 | - | 4.97 | 107,991 |
| Years in History by Picture | 0 | - | 4.44 | 35,615 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,695 |
| Materials From History #2 | 0 | - | 4.59 | 31,555 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,204 |
| Political Figures by Last Name #2 | 0 | - | 3.90 | 16,781 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,867 |
| WWII Decoder | 0 | - | 4.41 | 53,663 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,549 |
| Cold War Decoder | 0 | - | 4.83 | 52,456 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,444 |
| Events in History #2 | 0 | - | 4.49 | 71,820 |
| Events in History #3 | 0 | - | 4.41 | 71,780 |
| Events in History #4 | 0 | - | 4.44 | 44,378 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,488 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 49,081 |
| Assassinations in History | 0 | - | 4.21 | 66,300 |
| Famous Seconds | 0 | - | 4.22 | 46,669 |
| Ages and Eras | 0 | - | 4.39 | 67,814 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,523 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,856 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,244 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 76,065 |
| Female Historical Figures | 0 | - | 4.28 | 33,298 |
| Historical Blunders | 0 | - | 4.34 | 92,562 |
| Territorial Accessions | 0 | - | 4.34 | 34,844 |
| People Known as "The Great" | 0 | - | 4.46 | 24,727 |
| This Day in History - July | 0 | - | 4.49 | 36,473 |
| This Day in History - August | 0 | - | 4.42 | 43,378 |
| This Day in History - September | 0 | - | 4.55 | 57,489 |
| This Day in History - October | 0 | - | 4.49 | 37,645 |
| This Day in History - January | 0 | - | 4.47 | 46,742 |
| This Day in History - March | 0 | - | 4.45 | 43,695 |
| Ancient Civilizations | 0 | - | 4.64 | 38,019 |
| The Places They Went #1 | 0 | - | 4.74 | 33,551 |
| Famous Inventors | 0 | - | 4.44 | 43,563 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,849 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,783 |
| French History A-Z | 0 | - | 4.27 | 24,768 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.08 | 1,014,829 |
| U.S. States by Governor | 0 | - | 4.43 | 18,079 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,717 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,712 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,715 |
| Coldest World Capitals | 0 | - | 4.95 | 133,666 |
| World Currency Quiz | 0 | - | 4.92 | 304,314 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,982 |
