| All World Leaders 2026 | 0 | - | 4.95 | 21,132 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,663 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,794 |
| Famous Dictators #1 | 0 | - | 4.69 | 200,753 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,476 |
| Historical Rulers #2 | 0 | - | 4.24 | 47,804 |
| Historical Rulers #1 | 0 | - | 4.34 | 119,590 |
| Words for Leaders | 0 | - | 4.77 | 259,221 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 110,371 |
| World Leaders Quiz #2 | 0 | - | 4.01 | 36,103 |
| Name the English Monarchs | 0 | - | 4.91 | 507,284 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 38,643 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,862 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,284 |
| Name a Country A-Z | 0 | - | 5.00 | 246,183 |
| Prime Ministers of the UK | 0 | - | 4.95 | 443,053 |
| UN Secretaries-General | 0 | - | 4.40 | 7,855 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,701 |
| NATO Countries | 0 | - | 4.98 | 283,962 |
| EU Countries Quiz | 0 | - | 4.99 | 278,860 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,821 |
| Russian History A-Z | 0 | - | 4.35 | 32,293 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,258 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.78 | 78,391 |
| British History A-Z #1 | 0 | - | 4.45 | 47,319 |
| Countries that Start with A | 0 | - | 4.98 | 2,178,272 |
| Countries that Start with B | 0 | - | 4.95 | 2,308,883 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,345 |
| Countries that Start with D | 0 | - | 4.96 | 717,737 |
| Countries that Start with E | 0 | - | 4.95 | 1,386,594 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,157 |
| Countries that Start with H | 0 | - | 4.96 | 610,489 |
| Countries that Start with I | 0 | - | 4.92 | 1,295,770 |
| Countries that Start with J | 0 | - | 4.98 | 607,870 |
| Countries that Start with K | 0 | - | 4.97 | 821,701 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,031 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,090 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,253 |
| Countries that Start with S | 0 | - | 4.98 | 1,764,775 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,844 |
| Countries that Start with U | 0 | - | 4.97 | 909,190 |
| Countries that Start with V | 0 | - | 4.98 | 612,526 |
| Countries that Start with F | 0 | - | 4.83 | 621,987 |
| Countries that Start with M | 0 | - | 4.97 | 1,389,555 |
| Political Figures by Last Name #1 | 0 | - | 4.56 | 68,823 |
| World Leaders of the World Wars | 0 | - | 4.36 | 38,077 |
| World Leaders of the Cold War | 0 | - | 4.26 | 25,480 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.16 | 64,160 |
| Military History Vocabulary | 0 | - | 4.92 | 67,755 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,959 |
| Monarchies of Europe | 0 | - | 4.90 | 99,021 |
| Monarchies of Asia | 0 | - | 4.97 | 71,600 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,104 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,084 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,060 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,936 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,226 |
| World Leaders by Picture | 0 | - | 4.36 | 267,053 |
| Canadian Prime Ministers | 0 | - | 4.64 | 58,000 |
| Prime Ministers of Australia | 0 | - | 4.51 | 32,236 |
| German History A-Z | 0 | - | 4.49 | 24,942 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,159 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,225 |
| Spanish History A-Z | 0 | - | 4.37 | 19,531 |
| Italian History A-Z | 0 | - | 4.16 | 17,954 |
| "Second Best" History Edition | 0 | - | 4.94 | 64,380 |
| Dictators by Picture | 0 | - | 4.18 | 49,446 |
| WWII Geography | 0 | - | 4.81 | 121,497 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,482 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,999 |
| Houses of British Monarchs | 0 | - | 4.54 | 66,016 |
| All OPEC Countries Ever | 0 | - | 4.70 | 100,383 |
| One Country By Letter By Continent | 0 | - | 5.00 | 125,959 |
| One Country By Letter By Continent on the Map | 0 | - | 4.99 | 48,363 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,655 |
| Movie Quotes A-Z #1 | 0 | - | 4.31 | 41,135 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 123,223 |
| Political Quotes | 0 | - | 4.17 | 19,960 |
| British History A-Z #2 | 0 | - | 4.28 | 12,000 |
| French History A-Z | 0 | - | 4.27 | 25,188 |
| Countries Bordering "U" Countries | 0 | - | 4.83 | 24,953 |
| London A-Z | 0 | - | 4.10 | 40,898 |
| British Geography A-Z | 0 | - | 4.42 | 19,628 |
| Former Countries by Territory Map | 0 | - | 4.96 | 104,199 |
| Empires by Maps | 0 | - | 4.98 | 122,523 |
| Spouses of World Leaders | 0 | - | 4.18 | 12,382 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 25,184 |
| Name the Popes Quiz | 0 | - | 4.47 | 139,077 |
| Countries of the Popes | 0 | - | 4.79 | 128,877 |
| The 7 Wonders of the Ancient World | 0 | - | 4.86 | 82,663 |
| English Royal Consorts | 0 | - | 4.38 | 37,556 |
| Kings of France Quiz | 0 | - | 4.22 | 32,966 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,233 |
| Countries that Start with R | 0 | - | 4.44 | 450,795 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,522 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,341 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,738 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,246 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,697 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,262 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,774 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,277 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,884 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,164 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,136 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,712 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,270 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,710 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,779 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,560 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,379 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,378 |
| Metals of Antiquity | 0 | - | 4.95 | 94,021 |
| Popular Royal Names | 0 | - | 4.27 | 125,453 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,221 |
| History: What Came First? #1 | 0 | - | 4.87 | 106,128 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,142 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 710,657 |
| First Names of Painters | 0 | - | 4.43 | 60,104 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 54,227 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,711 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 36,026 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,359 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,430 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 44,153 |
| Influential Women in History | 0 | - | 4.43 | 36,563 |
| Cradles of Civilization | 0 | - | 4.46 | 40,542 |
| History of The Netherlands | 0 | - | 4.46 | 17,571 |
| Materials From History #1 | 0 | - | 4.56 | 52,121 |
| Materials From History #2 | 0 | - | 4.59 | 31,625 |
| Political Figures by Last Name #2 | 0 | - | 3.91 | 16,939 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,768 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,593 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.46 | 26,962 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,464 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,938 |
| WWII Decoder | 0 | - | 4.41 | 53,907 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,954 |
| Countries Invaded by the USSR | 0 | - | 4.30 | 94,498 |
| Name a Valid Year in History | 0 | - | 4.93 | 68,094 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,748 |
| Famous Explorers | 0 | - | 4.58 | 36,408 |
| Famous Empires by Description | 0 | - | 4.73 | 119,057 |
| Answers by Time Period | 0 | - | 4.64 | 55,935 |
| Coups d'Etat - Name the Country | 0 | - | 4.43 | 42,326 |
| U.S. History A-Z #1 | 0 | - | 4.36 | 30,573 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,892 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,575 |
| The Reign of Queen Victoria | 0 | - | 4.34 | 23,571 |
| People Portrayed by Andy Warhol | 0 | - | 4.35 | 38,285 |
| 2010s Obituaries | 0 | - | 4.46 | 26,234 |
| U.S. States by Governor | 0 | - | 4.43 | 18,121 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,783 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,801 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,767 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,880 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 277,683 |
| Countries with NO Military | 0 | - | 4.97 | 63,599 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,999 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,185 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,759 |
| 7 Deadly Sins | 0 | - | 4.88 | 404,781 |
| Books of the Protestant Bible | 0 | - | 4.85 | 212,282 |
| The Bible A-Z | 0 | - | 4.29 | 60,016 |
| Majority Muslim Countries | 0 | - | 4.98 | 378,363 |
| Colors by Letter | 0 | - | 4.25 | 163,008 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,276 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,392 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,643 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,338 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,112 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,693 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,336 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,720 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,688 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,222 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,454 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 68,105 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 65,070 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,494 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,990 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,988 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,141 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 58,532 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,977 |
| California Cities A-Z | 0 | - | 4.07 | 17,480 |
| France A-Z | 0 | - | 4.16 | 38,359 |
| European Geography A-Z | 0 | - | 4.29 | 49,517 |
| Texas A-Z | 0 | - | 4.19 | 16,446 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,773 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,908 |
| Former Flags | 0 | - | 4.97 | 108,810 |
| Years in History by Picture | 0 | - | 4.45 | 35,935 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,894 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,507 |
| Pope Facts | 0 | - | 4.39 | 31,421 |
| WWII First Names | 0 | - | 4.45 | 42,011 |
| WWII for Dummies | 0 | - | 4.78 | 105,850 |
| Cold War Decoder | 0 | - | 4.83 | 52,705 |
| Events in History #2 | 0 | - | 4.49 | 72,032 |
