| Quiz on the Year 2001 | 0 | - | 4.48 | 24,164 |
| 2010s U.S. Pop Culture | 0 | - | 4.28 | 36,093 |
| 2000s Decade Quiz | 0 | - | 4.23 | 119,988 |
| Quiz on the Year 2000 | 0 | - | 4.08 | 21,099 |
| 2000s U.S. Pop Culture | 0 | - | 4.19 | 15,896 |
| 1990s U.S. Pop Culture | 0 | - | 4.05 | 11,206 |
| 1980s U.S. Pop Culture | 0 | - | 4.03 | 10,367 |
| Nicknames in World History | 0 | - | 4.74 | 37,402 |
| "Second Best" History Edition | 0 | - | 4.93 | 62,001 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 486,810 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 709,939 |
| Fads of the 2000s | 0 | - | 3.68 | 61,292 |
| The 17th Century | 0 | - | 4.54 | 53,672 |
| 1940s Decade Quiz | 0 | - | 4.51 | 51,691 |
| 2010s Decade Quiz | 0 | - | 4.53 | 101,205 |
| 2000s Movie Trivia #1 | 0 | - | 4.39 | 62,741 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,734 |
| Empires by Maps | 0 | - | 4.98 | 118,711 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,299 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,130 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,672 |
| Metals of Antiquity | 0 | - | 4.94 | 92,975 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,235 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,280 |
| History - Did They Have It? | 0 | - | 4.84 | 61,166 |
| Political Figures by Last Name #1 | 0 | - | 4.55 | 67,497 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,697 |
| 1950s Decade Quiz | 0 | - | 4.41 | 48,943 |
| 1960s Decade Quiz #2 | 0 | - | 4.45 | 44,520 |
| 1970s Decade Quiz | 0 | - | 4.20 | 52,379 |
| 1980s Decade Quiz | 0 | - | 4.38 | 76,419 |
| 1910s Decade Quiz | 0 | - | 4.19 | 52,371 |
| 1930s Decade Quiz | 0 | - | 4.28 | 48,783 |
| 1920s Decade Quiz | 0 | - | 4.33 | 49,438 |
| 1990s Decade Quiz | 0 | - | 4.01 | 54,650 |
| 1850s Decade Quiz | 0 | - | 4.42 | 34,987 |
| 1790s Decade Quiz | 0 | - | 4.55 | 33,435 |
| 1800s Decade Quiz | 0 | - | 4.47 | 31,716 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,704 |
| Fads of the 1980s | 0 | - | 4.06 | 36,797 |
| Fads of the 1990s | 0 | - | 4.03 | 36,527 |
| 2000s Movie Trivia #2 | 0 | - | 4.17 | 27,904 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,495 |
| Influential Women in History | 0 | - | 4.42 | 35,155 |
| Cradles of Civilization | 0 | - | 4.46 | 39,215 |
| Materials From History #1 | 0 | - | 4.56 | 51,042 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,219 |
| Trace the Route of Ibn Battuta on a Map | 0 | - | 4.98 | 22,401 |
| 1960s Decade Quiz #1 | 0 | - | 4.40 | 49,742 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,307 |
| Famous Explorers | 0 | - | 4.58 | 35,993 |
| Famous Empires by Description | 0 | - | 4.73 | 117,994 |
| Answers by Time Period | 0 | - | 4.63 | 55,310 |
| Nicknames in U.S. History | 0 | - | 4.25 | 31,591 |
| Quiz on the Year 1997 | 0 | - | 4.39 | 20,911 |
| Quiz on the Year 1998 | 0 | - | 4.33 | 17,208 |
| 17th Century A-Z | 0 | - | 4.78 | 34,185 |
| 1900s Decade Quiz | 0 | - | 4.18 | 44,021 |
| 1860s Decade Quiz | 0 | - | 4.31 | 40,197 |
| 1880s Decade Quiz | 0 | - | 4.24 | 39,229 |
| 1890s Decade Quiz | 0 | - | 4.24 | 39,632 |
| 1870s Decade Quiz | 0 | - | 4.28 | 36,458 |
| 1840s Decade Quiz | 0 | - | 4.30 | 37,469 |
| 1810s Decade Quiz | 0 | - | 4.58 | 30,802 |
| 1820s Decade Quiz | 0 | - | 4.54 | 29,688 |
| 1830s Decade Quiz | 0 | - | 4.42 | 29,050 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.95 | 40,733 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 54,904 |
| All Modern-Day Countries Ever Controlled by the British | 0 | - | 4.80 | 49,429 |
| 2000s Celebrities by Picture #1 | 0 | - | 3.93 | 101,755 |
| 2000s Movie Co-Stars | 0 | - | 4.33 | 39,536 |
| World Capitals by a Single Clue #2 | 0 | - | 4.46 | 53,335 |
| World Capitals by a Single Clue #4 | 0 | - | 4.41 | 38,221 |
| World Capitals by a Single Clue #1 | 0 | - | 4.51 | 55,441 |
| NFL Team Names by Clue | 0 | - | 4.19 | 127,338 |
| NBA Team Names by Clue | 0 | - | 4.27 | 169,640 |
| NHL Hockey Team Names by Clue | 0 | - | 4.35 | 86,351 |
| Random Capital to Country | 0 | - | 4.99 | 2,579,512 |
| Random Country to Capital | 0 | - | 4.98 | 912,466 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.75 | 38,137 |
| Name a Valid Answer - British History | 0 | - | 4.57 | 15,081 |
| Former Flags | 0 | - | 4.97 | 106,833 |
| Years in History by Picture | 0 | - | 4.44 | 35,153 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,229 |
| Materials From History #2 | 0 | - | 4.59 | 31,215 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,588 |
| Historic Orient Express Routes Map | 0 | - | 5.00 | 53,020 |
| People Who Have Been Considered Gods | 0 | - | 4.48 | 24,249 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.18 | 47,868 |
| Cold War Decoder | 0 | - | 4.83 | 51,979 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,330 |
| Events in History #2 | 0 | - | 4.49 | 71,461 |
| Events in History #4 | 0 | - | 4.44 | 44,132 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,492 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,841 |
| Assassinations in History | 0 | - | 4.21 | 65,999 |
| Famous Seconds | 0 | - | 4.22 | 46,408 |
| Ages and Eras | 0 | - | 4.38 | 67,496 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,416 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,655 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,065 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,844 |
| Female Historical Figures | 0 | - | 4.27 | 33,123 |
| Historical Blunders | 0 | - | 4.33 | 91,735 |
| Territorial Accessions | 0 | - | 4.38 | 34,666 |
| People Known as "The Great" | 0 | - | 4.46 | 24,551 |
| Political Quotes | 0 | - | 4.17 | 19,812 |
| This Day in History - July | 0 | - | 4.49 | 36,376 |
| This Day in History - August | 0 | - | 4.42 | 43,263 |
| This Day in History - September | 0 | - | 4.55 | 57,279 |
| This Day in History - October | 0 | - | 4.49 | 37,557 |
| This Day in History - January | 0 | - | 4.53 | 46,588 |
| This Day in History - March | 0 | - | 4.45 | 43,551 |
| Ancient Civilizations | 0 | - | 4.63 | 37,784 |
| Quiz on the Year 1908 | 0 | - | 4.25 | 12,834 |
| Military History Vocabulary | 0 | - | 4.91 | 66,703 |
| The Places They Went #1 | 0 | - | 4.74 | 33,454 |
| Famous Inventors | 0 | - | 4.43 | 43,466 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,524 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,301 |
| Trace the Route of Marco Polo on a Map | 0 | - | 5.00 | 41,991 |
| European History for Dummies | 0 | - | 4.83 | 89,386 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,185 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,011,266 |
| 1990s Movie Silhouettes | 0 | - | 4.98 | 98,053 |
| Fads of the 1970s | 0 | - | 4.19 | 28,339 |
| 2000s American TV Trivia | 0 | - | 4.16 | 20,777 |
| Recent Movie Taglines Quiz | 0 | - | 4.30 | 54,146 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,148 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,509 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,812 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,697 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,801 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,645 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,211 |
| Crayola Crayon Colors 64 Pack | 0 | - | 4.99 | 62,102 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 333,463 |
| Countries by Emojis | 0 | - | 4.99 | 236,903 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,026 |
| The Only Country ... | 0 | - | 4.91 | 80,022 |
| World Capitals by a Single Clue #3 | 0 | - | 4.35 | 45,768 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,370 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,186 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,466 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,418 |
| Capital Cities Chain | 0 | - | 4.84 | 81,981 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,393 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,906 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,071 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,709 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,145 |
| History Analogies #1 | 0 | - | 4.53 | 89,799 |
| History Analogies #2 | 0 | - | 4.49 | 77,024 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,190 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 64,979 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 51,946 |
| History Analogies #3 | 0 | - | 4.61 | 80,458 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,190 |
| Which Came First? | 0 | - | 4.37 | 74,434 |
| Random History by Country | 0 | - | 4.53 | 34,679 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,594 |
| Animals in World History | 0 | - | 4.74 | 44,250 |
| People - Real or Fictional? | 0 | - | 4.56 | 58,509 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,387 |
| History True or False #3 | 0 | - | 4.43 | 55,966 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 24,870 |
| A to Z: Legendary Creatures | 0 | - | 4.26 | 52,790 |
| WWII Geography | 0 | - | 4.81 | 119,431 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,142 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,605 |
| Territory Changes in World War I | 0 | - | 4.86 | 46,265 |
| Cold War Trivia #1 | 0 | - | 4.41 | 56,995 |
| Events in History #3 | 0 | - | 4.40 | 71,476 |
| Events in History #1 | 0 | - | 4.34 | 157,331 |
| Events in Ancient History | 0 | - | 4.50 | 35,750 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,552 |
| Deaths by Date and Cause #1 | 0 | - | 4.37 | 94,928 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 67,518 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,607 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,965 |
| This Day in History - April | 0 | - | 4.40 | 44,396 |
| This Day in History - May | 0 | - | 4.33 | 48,262 |
| This Day in History - June | 0 | - | 4.36 | 33,438 |
| This Day in History - November | 0 | - | 4.24 | 33,537 |
| This Day in History - December | 0 | - | 4.32 | 40,455 |
| This Day in History - February | 0 | - | 4.38 | 39,710 |
| The 19th Century | 0 | - | 4.53 | 67,897 |
| The 18th Century | 0 | - | 4.52 | 53,131 |
| The 16th Century | 0 | - | 4.77 | 58,747 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,551 |
| The 21st Century | 0 | - | 4.48 | 105,356 |
| 1780s Decade Quiz | 0 | - | 4.36 | 25,432 |
| History Multiple Choice #1 | 0 | - | 4.46 | 81,556 |
| Years in History #2 - Multiple Choice | 0 | - | 4.43 | 41,433 |
| History Multiple Choice #2 | 0 | - | 4.43 | 49,825 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,560 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,278 |
| Three Real and One Fake - World History | 0 | - | 4.44 | 38,206 |
| Name the English Monarchs | 0 | - | 4.92 | 498,508 |
| Dark Ages History | 0 | - | 4.42 | 32,682 |
