| All World Leaders 2026 | 0 | - | 4.96 | 19,720 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,475 |
| Famous Dictators #1 | 0 | - | 4.69 | 199,727 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,431 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,255 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,471 |
| Historical Rulers #1 | 0 | - | 4.35 | 118,890 |
| Words for Leaders | 0 | - | 4.77 | 257,122 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 110,029 |
| Name the English Monarchs | 0 | - | 4.91 | 502,198 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,478 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,017 |
| Name a Country A-Z | 0 | - | 5.00 | 243,041 |
| Prime Ministers of the UK | 0 | - | 4.95 | 438,480 |
| World Leaders Quiz #2 | 0 | - | 4.00 | 35,850 |
| UN Secretaries-General | 0 | - | 4.40 | 7,795 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,623 |
| NATO Countries | 0 | - | 4.98 | 279,815 |
| EU Countries Quiz | 0 | - | 4.99 | 273,475 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,089 |
| Russian History A-Z | 0 | - | 4.38 | 31,665 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,129 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,865 |
| British History A-Z #1 | 0 | - | 4.45 | 46,454 |
| Countries that Start with A | 0 | - | 4.98 | 2,161,015 |
| Countries that Start with B | 0 | - | 4.95 | 2,292,778 |
| Countries that Start with C | 0 | - | 4.96 | 1,820,762 |
| Countries that Start with D | 0 | - | 4.96 | 708,716 |
| Countries that Start with E | 0 | - | 4.95 | 1,376,153 |
| Countries that Start with G | 0 | - | 4.97 | 1,502,151 |
| Countries that Start with H | 0 | - | 4.96 | 604,027 |
| Countries that Start with I | 0 | - | 4.92 | 1,287,222 |
| Countries that Start with J | 0 | - | 4.98 | 601,766 |
| Countries that Start with K | 0 | - | 4.97 | 815,094 |
| Countries that Start with L | 0 | - | 4.98 | 1,089,911 |
| Countries that Start with N | 0 | - | 4.93 | 1,116,884 |
| Countries that Start with P | 0 | - | 4.94 | 1,215,319 |
| Countries that Start with S | 0 | - | 4.98 | 1,753,664 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,172 |
| Countries that Start with U | 0 | - | 4.97 | 903,983 |
| Countries that Start with V | 0 | - | 4.98 | 608,944 |
| Countries that Start with F | 0 | - | 4.83 | 617,023 |
| Countries that Start with M | 0 | - | 4.97 | 1,380,699 |
| Political Figures by Last Name #1 | 0 | - | 4.56 | 67,965 |
| World Leaders of the World Wars | 0 | - | 4.35 | 37,840 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,274 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.20 | 48,824 |
| Military History Vocabulary | 0 | - | 4.91 | 67,112 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,345 |
| Monarchies of Europe | 0 | - | 4.90 | 98,060 |
| Monarchies of Asia | 0 | - | 4.97 | 71,046 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,441 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 78,131 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,499 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,880 |
| World Leaders by Picture | 0 | - | 4.36 | 265,143 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,490 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,909 |
| German History A-Z | 0 | - | 4.49 | 24,595 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,842 |
| Richest Countries A-Z | 0 | - | 4.91 | 102,921 |
| Spanish History A-Z | 0 | - | 4.37 | 19,284 |
| Italian History A-Z | 0 | - | 4.21 | 17,696 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,892 |
| Dictators by Picture | 0 | - | 4.18 | 49,136 |
| WWII Geography | 0 | - | 4.81 | 120,254 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,363 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,775 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,628 |
| All OPEC Countries Ever | 0 | - | 4.75 | 91,355 |
| One Country By Letter By Continent | 0 | - | 5.00 | 123,677 |
| One Country By Letter By Continent on the Map | 0 | - | 4.99 | 47,010 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,264 |
| Movie Quotes A-Z #1 | 0 | - | 4.31 | 40,948 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 121,568 |
| Political Quotes | 0 | - | 4.17 | 19,879 |
| French History A-Z | 0 | - | 4.27 | 24,610 |
| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,478 |
| London A-Z | 0 | - | 4.10 | 40,757 |
| British Geography A-Z | 0 | - | 4.42 | 19,508 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,719 |
| Empires by Maps | 0 | - | 4.98 | 120,293 |
| Spouses of World Leaders | 0 | - | 4.18 | 12,322 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 24,982 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,060 |
| Countries of the Popes | 0 | - | 4.79 | 128,030 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,676 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,360 |
| English Royal Consorts | 0 | - | 4.37 | 37,340 |
| Kings of France Quiz | 0 | - | 4.20 | 32,707 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,960 |
| Countries that Start with R | 0 | - | 4.43 | 447,187 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,098 |
| European Geography By Letter - A | 0 | - | 4.52 | 145,761 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,895 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,485 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,201 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,257 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,327 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,334 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,652 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,548 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,874 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,659 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,386 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,857 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,330 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,252 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,448 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,993 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,822 |
| Metals of Antiquity | 0 | - | 4.95 | 93,400 |
| Popular Royal Names | 0 | - | 4.27 | 124,898 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,666 |
| History: What Came First? #1 | 0 | - | 4.87 | 105,194 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,063 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 707,349 |
| First Names of Painters | 0 | - | 4.43 | 59,835 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,264 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,827 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,913 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,637 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,820 |
| Influential Women in History | 0 | - | 4.42 | 35,552 |
| Cradles of Civilization | 0 | - | 4.46 | 39,608 |
| History of The Netherlands | 0 | - | 4.46 | 17,428 |
| Materials From History #1 | 0 | - | 4.56 | 51,518 |
| Political Figures by Last Name #2 | 0 | - | 3.88 | 16,724 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,669 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,432 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,789 |
| WWII A-Z #1 | 0 | - | 4.78 | 102,938 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,635 |
| WWII Decoder | 0 | - | 4.41 | 53,526 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,374 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 93,981 |
| Biggest Nations and Empires Ever | 0 | - | 4.52 | 145,842 |
| Famous Explorers | 0 | - | 4.58 | 36,146 |
| Famous Empires by Description | 0 | - | 4.73 | 118,406 |
| Answers by Time Period | 0 | - | 4.63 | 55,556 |
| U.S. History A-Z #1 | 0 | - | 4.36 | 30,020 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,738 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,497 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,434 |
| U.S. States by Governor | 0 | - | 4.43 | 18,057 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,686 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,667 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,922 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 272,560 |
| Countries with NO Military | 0 | - | 4.97 | 62,109 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,198 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,483 |
| Top Five Countries by Religion | 0 | - | 4.93 | 171,080 |
| 7 Deadly Sins | 0 | - | 4.88 | 399,807 |
| Books of the Protestant Bible | 0 | - | 4.89 | 209,706 |
| The Bible A-Z | 0 | - | 4.29 | 59,739 |
| Majority Muslim Countries | 0 | - | 4.98 | 373,806 |
| Colors by Letter | 0 | - | 4.25 | 162,495 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,068 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,354 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,672 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,842 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,493 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,331 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,977 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,583 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,820 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,899 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,184 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,757 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,702 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,204 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,074 |
| Asian Geography By Letter - J | 0 | - | 4.26 | 34,700 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,373 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,838 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,786 |
| California Cities A-Z | 0 | - | 4.06 | 17,220 |
| France A-Z | 0 | - | 4.16 | 38,190 |
| European Geography A-Z | 0 | - | 4.29 | 49,237 |
| Texas A-Z | 0 | - | 4.19 | 16,369 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,457 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,484 |
| Former Flags | 0 | - | 4.97 | 107,629 |
| Years in History by Picture | 0 | - | 4.44 | 35,482 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,565 |
| Materials From History #2 | 0 | - | 4.59 | 31,468 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,953 |
| Pope Facts | 0 | - | 4.39 | 31,227 |
| WWII First Names | 0 | - | 4.44 | 41,763 |
| WWII for Dummies | 0 | - | 4.78 | 104,841 |
| Cold War Decoder | 0 | - | 4.83 | 52,323 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,400 |
| Events in History #2 | 0 | - | 4.49 | 71,685 |
| Events in History #4 | 0 | - | 4.44 | 44,288 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,141 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,991 |
| Assassinations in History | 0 | - | 4.21 | 66,187 |
| Famous Seconds | 0 | - | 4.22 | 46,565 |
| Ages and Eras | 0 | - | 4.39 | 67,689 |
