| Countries With The Most Bird Species | 0 | - | 4.93 | 32,434 |
| Animals in World History | 0 | - | 4.74 | 44,231 |
| National Animals | 0 | - | 4.24 | 89,166 |
| Nicknames in World History | 0 | - | 4.73 | 37,360 |
| "Second Best" History Edition | 0 | - | 4.93 | 61,888 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 486,617 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 709,727 |
| Disney Feature Films by Characters | 0 | - | 4.42 | 276,548 |
| Animals of Australia | 0 | - | 4.52 | 42,160 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,138 |
| Superhero Alter Egos | 0 | - | 4.29 | 164,114 |
| Who Did These Sidekicks Work With? | 0 | - | 4.24 | 109,815 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,627 |
| Empires by Maps | 0 | - | 4.98 | 118,588 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,253 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,104 |
| Metals of Antiquity | 0 | - | 4.94 | 92,937 |
| Earliest Domestication of Animals | 0 | - | 4.33 | 28,210 |
| Animals in the News | 0 | - | 4.37 | 26,720 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,198 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,227 |
| Political Figures by Last Name #1 | 0 | - | 4.55 | 67,464 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,498 |
| Extinct Animals | 0 | - | 4.18 | 27,408 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,677 |
| Birds by Picture #2 | 0 | - | 4.33 | 35,968 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,867 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,467 |
| Influential Women in History | 0 | - | 4.42 | 35,061 |
| Cradles of Civilization | 0 | - | 4.46 | 39,127 |
| Materials From History #1 | 0 | - | 4.56 | 50,640 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,148 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,673 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,237 |
| Famous Explorers | 0 | - | 4.58 | 35,971 |
| Famous Empires by Description | 0 | - | 4.70 | 117,897 |
| Answers by Time Period | 0 | - | 4.63 | 55,287 |
| Nicknames in U.S. History | 0 | - | 4.25 | 31,580 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.95 | 40,708 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 54,883 |
| Movies with Animals in the Title #1 | 0 | - | 4.21 | 183,067 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,023 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,632 |
| Disney Animals | 0 | - | 4.27 | 238,696 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,631 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,329 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,434 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,743 |
| Random Capital to Country | 0 | - | 4.99 | 2,578,609 |
| Random Country to Capital | 0 | - | 4.98 | 911,992 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.75 | 38,135 |
| Name a Valid Answer - British History | 0 | - | 4.57 | 15,078 |
| Former Flags | 0 | - | 4.97 | 106,744 |
| Years in History by Picture | 0 | - | 4.44 | 35,126 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,207 |
| Materials From History #2 | 0 | - | 4.59 | 30,925 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,545 |
| Historic Orient Express Routes Map | 0 | - | 5.00 | 52,980 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.18 | 47,729 |
| Cold War Decoder | 0 | - | 4.83 | 51,947 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,325 |
| Events in History #2 | 0 | - | 4.49 | 71,447 |
| Events in History #4 | 0 | - | 4.44 | 44,116 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,449 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,827 |
| Assassinations in History | 0 | - | 4.21 | 65,972 |
| Famous Seconds | 0 | - | 4.22 | 46,400 |
| Ages and Eras | 0 | - | 4.38 | 67,476 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,405 |
| Titled People Quiz #1 | 0 | - | 4.10 | 45,621 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,042 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,830 |
| Female Historical Figures | 0 | - | 4.31 | 33,110 |
| Historical Blunders | 0 | - | 4.33 | 91,704 |
| Territorial Accessions | 0 | - | 4.38 | 34,644 |
| People Known as "The Great" | 0 | - | 4.46 | 24,530 |
| Political Quotes | 0 | - | 4.17 | 19,804 |
| This Day in History - July | 0 | - | 4.49 | 36,373 |
| This Day in History - August | 0 | - | 4.42 | 43,257 |
| This Day in History - September | 0 | - | 4.55 | 57,271 |
| This Day in History - October | 0 | - | 4.49 | 37,555 |
| This Day in History - January | 0 | - | 4.53 | 46,578 |
| This Day in History - March | 0 | - | 4.45 | 43,547 |
| Ancient Civilizations | 0 | - | 4.63 | 37,769 |
| Military History Vocabulary | 0 | - | 4.91 | 66,673 |
| The Places They Went #1 | 0 | - | 4.74 | 33,449 |
| Famous Inventors | 0 | - | 4.43 | 43,462 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,498 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,290 |
| European History for Dummies | 0 | - | 4.82 | 89,342 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,144 |
| Animals in British History | 0 | - | 4.44 | 25,876 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,011,063 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,431 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,055 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,226 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,872 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,516 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,480 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,122 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,488 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,725 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,652 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,304 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,618 |
| Batman Characters by Screen Time | 0 | - | 4.07 | 30,175 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,173 |
| Crayola Crayon Colors 64 Pack | 0 | - | 4.99 | 62,071 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 333,054 |
| Countries by Emojis | 0 | - | 4.99 | 236,295 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,015 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,333 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,142 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,409 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,376 |
| Capital Cities Chain | 0 | - | 4.84 | 81,951 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,357 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,875 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,024 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,706 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,122 |
| History Analogies #1 | 0 | - | 4.53 | 89,790 |
| History Analogies #2 | 0 | - | 4.49 | 77,010 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,155 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 64,966 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 51,934 |
| History Analogies #3 | 0 | - | 4.61 | 80,446 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,166 |
| Which Came First? | 0 | - | 4.37 | 74,417 |
| Random History by Country | 0 | - | 4.53 | 34,669 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,564 |
| People - Real or Fictional? | 0 | - | 4.56 | 58,482 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,370 |
| History True or False #3 | 0 | - | 4.43 | 55,943 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 24,861 |
| A to Z: Legendary Creatures | 0 | - | 4.26 | 52,768 |
| WWII Geography | 0 | - | 4.81 | 119,389 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,123 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,564 |
| Territory Changes in World War I | 0 | - | 4.86 | 46,246 |
| Cold War Trivia #1 | 0 | - | 4.41 | 56,968 |
| Events in History #3 | 0 | - | 4.40 | 71,463 |
| Events in History #1 | 0 | - | 4.34 | 157,300 |
| Events in Ancient History | 0 | - | 4.50 | 35,729 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,544 |
| Deaths by Date and Cause #1 | 0 | - | 4.37 | 94,906 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 67,493 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,578 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,930 |
| This Day in History - April | 0 | - | 4.40 | 44,394 |
| 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 | 33,535 |
| 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 | 105,320 |
| History Multiple Choice #1 | 0 | - | 4.46 | 81,535 |
| Years in History #2 - Multiple Choice | 0 | - | 4.43 | 41,420 |
| History Multiple Choice #2 | 0 | - | 4.43 | 49,816 |
| 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 | 498,174 |
| Dark Ages History | 0 | - | 4.42 | 32,681 |
| 30 Historical People You Probably Don't Know | 0 | - | 4.36 | 60,825 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,591 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,232 |
| Star Wars Quotes | 0 | - | 4.84 | 173,498 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,088 |
| TV Character to Actor #1 | 0 | - | 4.24 | 10,157 |
| Horror Movie Villains | 0 | - | 4.24 | 86,663 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,403,113 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 129,704 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,530 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,551 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,135 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,329 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,927 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,329 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,328 |
| Random Point on Land to European Country | 0 | - | 4.93 | 76,135 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,035 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.89 | 50,573 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,691 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,571 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,652 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,562 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,258 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,011 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,763 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,138 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,610 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,973 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,094 |
| Name a Valid African Country | 0 | - | 4.98 | 152,988 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,306 |
