| Prime Ministers of the UK | 0 | - | 4.95 | 439,897 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 25,016 |
| All World Leaders 2026 | 0 | - | 4.94 | 20,453 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 490,226 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 713,626 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,610 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,559 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,996 |
| World Leaders by Picture | 0 | - | 4.36 | 265,739 |
| Famous Dictators #1 | 0 | - | 4.69 | 200,001 |
| Dictators by Picture | 0 | - | 4.18 | 49,238 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,492 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,302 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,532 |
| Historical Rulers #1 | 0 | - | 4.35 | 119,016 |
| Words for Leaders | 0 | - | 4.77 | 257,690 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 110,117 |
| World Leaders Quiz #2 | 0 | - | 4.01 | 35,901 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,575 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.48 | 15,871 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,427,666 |
| Spouses of World Leaders | 0 | - | 4.18 | 12,335 |
| UN Secretaries-General | 0 | - | 4.40 | 7,812 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,644 |
| Biblical Names Still Popular Today | 0 | - | 4.28 | 51,476 |
| "Second Best" History Edition | 0 | - | 4.94 | 63,379 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,088 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,698 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,320 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,842 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,323 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 78,042 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,858 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,768 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,334 |
| Superhero Nicknames | 0 | - | 4.21 | 61,707 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,060 |
| Empires by Maps | 0 | - | 4.98 | 120,889 |
| World Leaders of the World Wars | 0 | - | 4.36 | 37,890 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,171 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.20 | 49,095 |
| The Dictator Files: Fidel Castro | 0 | - | 4.19 | 12,346 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,388 |
| Countries of the Popes | 0 | - | 4.79 | 128,292 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 53,850 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,463 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,252 |
| NFL Football Last Names | 0 | - | 4.43 | 171,731 |
| Bible Quotes Quiz #1 | 0 | - | 4.42 | 61,962 |
| Bible Quotes Quiz #3 | 0 | - | 4.47 | 43,587 |
| Brand Logos Quiz #2 | 0 | - | 4.70 | 1,692,351 |
| Brand Logos Quiz #4 | 0 | - | 4.45 | 1,014,176 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,223 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 134,541 |
| Metals of Antiquity | 0 | - | 4.95 | 93,581 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,836 |
| History: What Came First? #1 | 0 | - | 4.87 | 105,470 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,543 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 708,354 |
| First Names of Painters | 0 | - | 4.43 | 59,909 |
| Political Movements by Country | 0 | - | 4.46 | 72,604 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,822 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,382 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,605 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,581 |
| Game of Thrones Last Names | 0 | - | 4.50 | 102,942 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 226,262 |
| Name the Constellations | 0 | - | 4.58 | 45,043 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,042 |
| Influential Women in History | 0 | - | 4.42 | 35,942 |
| Cradles of Civilization | 0 | - | 4.46 | 39,937 |
| Materials From History #1 | 0 | - | 4.56 | 51,771 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,831 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,974 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,487 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,825 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,148 |
| Famous Explorers | 0 | - | 4.58 | 36,233 |
| Famous Empires by Description | 0 | - | 4.73 | 118,622 |
| Answers by Time Period | 0 | - | 4.64 | 55,676 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,398 |
| NATO Countries | 0 | - | 4.98 | 281,416 |
| EU Countries Quiz | 0 | - | 4.99 | 275,358 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,026 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,553 |
| NBA Basketball Nicknames Quiz #1 | 0 | - | 4.23 | 149,471 |
| NBA Basketball Nicknames #2 | 0 | - | 4.09 | 57,681 |
| Countries as U.S. First Names | 0 | - | 4.31 | 78,073 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,748 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,824 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,644 |
| NBA Players by Last Name | 0 | - | 4.30 | 84,952 |
| Bible Quotes Quiz #2 | 0 | - | 4.27 | 52,956 |
| Bible Quotes Quiz #4 | 0 | - | 4.33 | 33,550 |
| The Bible - Who Said That? | 0 | - | 4.51 | 24,734 |
| American Corporate Slogans #1 | 0 | - | 4.06 | 65,399 |
| American Corporate Slogans #2 | 0 | - | 4.06 | 59,738 |
| Highest Grossing Superhero Movies | 0 | - | 4.37 | 167,032 |
| MCU Actors by Picture | 0 | - | 4.45 | 84,408 |
| Marketing Slogans for Animals | 0 | - | 4.48 | 29,298 |
| Brand Logos Quiz #5 | 0 | - | 4.37 | 1,066,001 |
| Brand Logos Quiz #6 | 0 | - | 4.30 | 785,529 |
| Strongest Nation Brands | 0 | - | 4.50 | 37,665 |
| Brand Logos Quiz #3 | 0 | - | 4.32 | 1,227,066 |
| Brand Logos Quiz #8 | 0 | - | 4.36 | 531,883 |
| Brand Logos Quiz #7 | 0 | - | 4.37 | 610,557 |
| Random Brand Logos | 0 | - | 4.45 | 403,165 |
| Name a Valid Answer - British History | 0 | - | 4.57 | 15,178 |
| Former Flags | 0 | - | 4.97 | 107,940 |
| Years in History by Picture | 0 | - | 4.44 | 35,596 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,674 |
| Materials From History #2 | 0 | - | 4.59 | 31,531 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,160 |
| Pope Facts | 0 | - | 4.39 | 31,285 |
| Flags of WW1 | 0 | - | 4.60 | 38,482 |
| Cold War Decoder | 0 | - | 4.83 | 52,438 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,439 |
| Events in History #2 | 0 | - | 4.49 | 71,798 |
| Events in History #3 | 0 | - | 4.41 | 71,758 |
| Events in History #4 | 0 | - | 4.44 | 44,361 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,433 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 49,060 |
| Assassinations in History | 0 | - | 4.21 | 66,265 |
| Famous Seconds | 0 | - | 4.22 | 46,611 |
| Ages and Eras | 0 | - | 4.39 | 67,788 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,507 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,836 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,224 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 76,050 |
| Female Historical Figures | 0 | - | 4.28 | 33,276 |
| Historical Blunders | 0 | - | 4.34 | 92,526 |
| Territorial Accessions | 0 | - | 4.34 | 34,833 |
| People Known as "The Great" | 0 | - | 4.46 | 24,716 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,270 |
| Political Quotes | 0 | - | 4.17 | 19,906 |
| This Day in History - July | 0 | - | 4.49 | 36,471 |
| This Day in History - August | 0 | - | 4.42 | 43,369 |
| This Day in History - September | 0 | - | 4.55 | 57,476 |
| This Day in History - October | 0 | - | 4.49 | 37,644 |
| This Day in History - January | 0 | - | 4.47 | 46,739 |
| This Day in History - March | 0 | - | 4.45 | 43,689 |
| Ancient Civilizations | 0 | - | 4.64 | 38,005 |
| Military History Vocabulary | 0 | - | 4.91 | 67,258 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,017 |
| The Places They Went #1 | 0 | - | 4.74 | 33,545 |
| Famous Inventors | 0 | - | 4.44 | 43,559 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,019 |
| European History for Dummies | 0 | - | 4.83 | 90,048 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,726 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,014,602 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,704 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,880 |
| Unusual NBA Names | 0 | - | 3.81 | 192,000 |
| Unusual NFL First Names | 0 | - | 3.60 | 47,763 |
| NFL Team Nicknames | 0 | - | 3.89 | 93,124 |
| Country Nicknames | 0 | - | 3.95 | 97,970 |
| Rappers Real Names | 0 | - | 4.09 | 71,962 |
| Quotes of Jesus | 0 | - | 4.23 | 13,856 |
| Horror Movie Quotes Quiz | 0 | - | 4.19 | 51,311 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,382 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,123 |
| MCU Characters by Screen Time | 0 | - | 4.23 | 109,216 |
| Brand-Name Animals | 0 | - | 4.16 | 74,561 |
| Clothing Brand Logos | 0 | - | 4.24 | 224,487 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,796 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,502 |
| Soft Drink Brand Logos | 0 | - | 4.24 | 175,512 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 67,211 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,909 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,362 |
| History Analogies #1 | 0 | - | 4.53 | 90,031 |
| History Analogies #2 | 0 | - | 4.49 | 77,283 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,683 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 65,215 |
| Current Events by Year, 1930–1949 | 0 | - | 4.47 | 52,133 |
| Groups of Things - History #1 | 0 | - | 4.41 | 94,195 |
| History Analogies #3 | 0 | - | 4.61 | 80,720 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,562 |
| Which Came First? | 0 | - | 4.37 | 74,872 |
| Random History by Country | 0 | - | 4.53 | 34,891 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,956 |
| Animals in World History | 0 | - | 4.74 | 44,558 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,642 |
| History True or False #3 | 0 | - | 4.43 | 56,988 |
| A to Z: Legendary Creatures | 0 | - | 4.26 | 53,119 |
| Arthurian Legend | 0 | - | 4.33 | 25,128 |
| WWII Geography | 0 | - | 4.81 | 120,527 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,491 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,714 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,880 |
| Cold War Trivia #1 | 0 | - | 4.42 | 57,378 |
| Events in History #1 | 0 | - | 4.34 | 157,860 |
| Events in Ancient History | 0 | - | 4.50 | 36,044 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,697 |
| Deaths by Date and Cause #1 | 0 | - | 4.38 | 95,336 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 67,820 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,184 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,523 |
| This Day in History - April | 0 | - | 4.40 | 44,476 |
| This Day in History - May | 0 | - | 4.33 | 48,402 |
