| Countries With The Most Bird Species | 0 | - | 4.93 | 32,427 |
| Animals in World History | 0 | - | 4.74 | 44,229 |
| National Animals | 0 | - | 4.24 | 89,163 |
| Nicknames in World History | 0 | - | 4.73 | 37,357 |
| "Second Best" History Edition | 0 | - | 4.93 | 61,882 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 486,581 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 709,692 |
| Disney Feature Films by Characters | 0 | - | 4.42 | 276,540 |
| Animals of Australia | 0 | - | 4.52 | 42,160 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,134 |
| Superhero Alter Egos | 0 | - | 4.29 | 164,111 |
| Who Did These Sidekicks Work With? | 0 | - | 4.24 | 109,812 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,617 |
| Empires by Maps | 0 | - | 4.98 | 118,580 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,248 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,102 |
| Metals of Antiquity | 0 | - | 4.94 | 92,936 |
| Earliest Domestication of Animals | 0 | - | 4.33 | 28,210 |
| Animals in the News | 0 | - | 4.37 | 26,719 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,194 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,223 |
| Political Figures by Last Name #1 | 0 | - | 4.55 | 67,458 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,473 |
| Extinct Animals | 0 | - | 4.18 | 27,407 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,675 |
| Birds by Picture #2 | 0 | - | 4.33 | 35,964 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,864 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,466 |
| Influential Women in History | 0 | - | 4.42 | 35,049 |
| Cradles of Civilization | 0 | - | 4.46 | 39,116 |
| Materials From History #1 | 0 | - | 4.56 | 50,637 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,140 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,673 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,231 |
| Famous Explorers | 0 | - | 4.58 | 35,967 |
| Famous Empires by Description | 0 | - | 4.70 | 117,826 |
| Answers by Time Period | 0 | - | 4.63 | 55,283 |
| Nicknames in U.S. History | 0 | - | 4.25 | 31,579 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.95 | 40,704 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 54,881 |
| Movies with Animals in the Title #1 | 0 | - | 4.21 | 183,061 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,022 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,631 |
| Disney Animals | 0 | - | 4.27 | 238,689 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,629 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,326 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,431 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,743 |
| Random Capital to Country | 0 | - | 4.99 | 2,578,469 |
| Random Country to Capital | 0 | - | 4.98 | 911,887 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.75 | 38,135 |
| Name a Valid Answer - British History | 0 | - | 4.57 | 15,077 |
| Former Flags | 0 | - | 4.97 | 106,739 |
| Years in History by Picture | 0 | - | 4.44 | 35,126 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,206 |
| Materials From History #2 | 0 | - | 4.59 | 30,923 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,541 |
| Historic Orient Express Routes Map | 0 | - | 5.00 | 52,975 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.18 | 47,703 |
| Cold War Decoder | 0 | - | 4.83 | 51,944 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,323 |
| Events in History #2 | 0 | - | 4.49 | 71,446 |
| Events in History #4 | 0 | - | 4.44 | 44,114 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,444 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,824 |
| Assassinations in History | 0 | - | 4.21 | 65,970 |
| Famous Seconds | 0 | - | 4.22 | 46,400 |
| Ages and Eras | 0 | - | 4.38 | 67,472 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,405 |
| Titled People Quiz #1 | 0 | - | 4.10 | 45,620 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,041 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,828 |
| Female Historical Figures | 0 | - | 4.31 | 33,108 |
| Historical Blunders | 0 | - | 4.33 | 91,701 |
| Territorial Accessions | 0 | - | 4.38 | 34,643 |
| People Known as "The Great" | 0 | - | 4.46 | 24,530 |
| Political Quotes | 0 | - | 4.17 | 19,803 |
| This Day in History - July | 0 | - | 4.49 | 36,372 |
| This Day in History - August | 0 | - | 4.42 | 43,255 |
| This Day in History - September | 0 | - | 4.55 | 57,267 |
| This Day in History - October | 0 | - | 4.49 | 37,554 |
| This Day in History - January | 0 | - | 4.53 | 46,577 |
| This Day in History - March | 0 | - | 4.45 | 43,547 |
| Ancient Civilizations | 0 | - | 4.63 | 37,769 |
| Military History Vocabulary | 0 | - | 4.91 | 66,671 |
| The Places They Went #1 | 0 | - | 4.74 | 33,448 |
| Famous Inventors | 0 | - | 4.43 | 43,462 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,493 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,286 |
| European History for Dummies | 0 | - | 4.82 | 89,338 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,135 |
| Animals in British History | 0 | - | 4.44 | 25,876 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,011,040 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,424 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,054 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,222 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,860 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,509 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,478 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,118 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,482 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,716 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,649 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,152 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,616 |
| Batman Characters by Screen Time | 0 | - | 4.07 | 30,173 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,167 |
| Crayola Crayon Colors 64 Pack | 0 | - | 4.99 | 62,064 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 333,013 |
| Countries by Emojis | 0 | - | 4.99 | 236,275 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,011 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,326 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,137 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,406 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,372 |
| Capital Cities Chain | 0 | - | 4.84 | 81,949 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,355 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,867 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,023 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,705 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,119 |
| History Analogies #1 | 0 | - | 4.53 | 89,789 |
| History Analogies #2 | 0 | - | 4.49 | 77,010 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,152 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 64,965 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 51,933 |
| History Analogies #3 | 0 | - | 4.61 | 80,444 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,163 |
| Which Came First? | 0 | - | 4.37 | 74,412 |
| Random History by Country | 0 | - | 4.53 | 34,666 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,561 |
| People - Real or Fictional? | 0 | - | 4.56 | 58,478 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,369 |
| History True or False #3 | 0 | - | 4.43 | 55,940 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 24,858 |
| A to Z: Legendary Creatures | 0 | - | 4.26 | 52,763 |
| WWII Geography | 0 | - | 4.81 | 119,379 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,122 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,559 |
| Territory Changes in World War I | 0 | - | 4.86 | 46,241 |
| Cold War Trivia #1 | 0 | - | 4.41 | 56,967 |
| Events in History #3 | 0 | - | 4.40 | 71,463 |
| Events in History #1 | 0 | - | 4.34 | 157,296 |
| Events in Ancient History | 0 | - | 4.50 | 35,726 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,542 |
| Deaths by Date and Cause #1 | 0 | - | 4.37 | 94,904 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 67,493 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,575 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,926 |
| This Day in History - April | 0 | - | 4.40 | 44,393 |
| This Day in History - May | 0 | - | 4.33 | 48,257 |
| This Day in History - June | 0 | - | 4.36 | 33,435 |
| This Day in History - November | 0 | - | 4.24 | 33,534 |
| This Day in History - December | 0 | - | 4.32 | 40,453 |
| This Day in History - February | 0 | - | 4.38 | 39,703 |
| The 19th Century | 0 | - | 4.53 | 67,886 |
| The 18th Century | 0 | - | 4.52 | 53,124 |
| The 16th Century | 0 | - | 4.77 | 58,742 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,540 |
| The 21st Century | 0 | - | 4.48 | 105,315 |
| History Multiple Choice #1 | 0 | - | 4.46 | 81,532 |
| Years in History #2 - Multiple Choice | 0 | - | 4.43 | 41,419 |
| History Multiple Choice #2 | 0 | - | 4.43 | 49,815 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,550 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,270 |
| Three Real and One Fake - World History | 0 | - | 4.44 | 38,194 |
| Name the English Monarchs | 0 | - | 4.92 | 498,123 |
| Dark Ages History | 0 | - | 4.42 | 32,680 |
| 30 Historical People You Probably Don't Know | 0 | - | 4.36 | 60,824 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,575 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,221 |
| Star Wars Quotes | 0 | - | 4.84 | 173,489 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,073 |
| TV Character to Actor #1 | 0 | - | 4.24 | 10,156 |
| Horror Movie Villains | 0 | - | 4.24 | 86,646 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,403,003 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 129,699 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,527 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,548 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,131 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,316 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,923 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,318 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,324 |
| Random Point on Land to European Country | 0 | - | 4.93 | 76,130 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,027 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.89 | 50,563 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,686 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,565 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,640 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,557 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,246 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,006 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,755 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,132 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,601 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,943 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,087 |
| Name a Valid African Country | 0 | - | 4.98 | 152,982 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,301 |
