| Military History Vocabulary | 0 | - | 4.92 | 60,687 |
| Battle to Country | 0 | - | 4.92 | 36,335 |
| WWII Geography | 0 | - | 4.81 | 100,403 |
| WWII Figures by Picture | 0 | - | 4.88 | 41,298 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 228,235 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 232,717 |
| Countries with NO Military | 0 | - | 4.97 | 50,444 |
| Countries with the Most Tanks | 0 | - | 4.89 | 76,330 |
| Most Powerful Countries Bordering Each Other | 0 | - | 4.85 | 50,120 |
| Normandy D-Day Beaches | 0 | - | 4.81 | 36,988 |
| Territory Changes in World War I | 0 | - | 4.87 | 40,762 |
| Countries that Have Won the Most Battles | 0 | - | 4.05 | 36,428 |
| English Monarchs Quiz | 0 | - | 4.91 | 451,503 |
| "Second Best" History Edition | 0 | - | 4.94 | 47,602 |
| G7 Leaders Since 2003 | 0 | - | 4.46 | 38,829 |
| WWII Decoder | 0 | - | 4.44 | 49,220 |
| Name a Valid Answer - World War II | 0 | - | 4.51 | 48,606 |
| Famous Empires in History | 0 | - | 4.83 | 105,170 |
| Deadliest U.S. Wars | 0 | - | 4.83 | 159,310 |
| Former Countries by Territory Map | 0 | - | 4.96 | 86,875 |
| Empires by Maps | 0 | - | 4.98 | 96,215 |
| Famous Dictators Quiz #1 | 0 | - | 4.75 | 184,439 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.76 | 58,857 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 46,888 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 210,180 |
| WWII First Names | 0 | - | 4.46 | 38,886 |
| WWII for Dummies | 0 | - | 4.76 | 92,868 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 74,053 |
| Countries in World War I | 0 | - | 4.87 | 211,278 |
| 2019 Year in Review | 0 | - | 4.43 | 32,832 |
| The 17th Century | 0 | - | 4.44 | 44,120 |
| 1940s Decade Quiz | 0 | - | 4.48 | 49,275 |
| 2010s Decade Quiz | 0 | - | 4.58 | 82,915 |
| Historical Leaders by Date #1 | 0 | - | 4.50 | 28,418 |
| Historical Leaders by Date #2 | 0 | - | 4.54 | 27,353 |
| Historical Rulers #2 | 0 | - | 4.26 | 43,420 |
| Historical Rulers #1 | 0 | - | 4.32 | 111,878 |
| Words for Leaders | 0 | - | 4.80 | 218,946 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 102,525 |
| World Leaders of the World Wars | 0 | - | 4.40 | 34,623 |
| UN Secretaries-General | 0 | - | 4.42 | 7,170 |
| Countries with U.S. Troops | 0 | - | 4.39 | 126,063 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 48,428 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 33,731 |
| Metals of Antiquity | 0 | - | 4.93 | 85,928 |
| Popular Royal Names | 0 | - | 4.27 | 117,132 |
| Animals in World History | 0 | - | 4.82 | 40,609 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 40,284 |
| History: What Came First? #1 | 0 | - | 4.84 | 92,130 |
| History - Did They Have It? | 0 | - | 4.88 | 53,709 |
| Famous Dictators Quiz #2 | 0 | - | 4.34 | 80,226 |
| Mythical Creatures Quiz #1 | 0 | - | 4.91 | 660,129 |
| Countries in World War II | 0 | - | 4.57 | 820,539 |
| Notable People of WWII | 0 | - | 4.52 | 80,602 |
| WWII Trivia #2 | 0 | - | 4.53 | 96,060 |
| WWII Movies | 0 | - | 4.19 | 25,803 |
| 1960s Decade Quiz #2 | 0 | - | 4.44 | 41,919 |
| World War I Quiz | 0 | - | 4.79 | 93,561 |
| WWI A-Z | 0 | - | 4.48 | 35,643 |
| 2012 Year in Review | 0 | - | 4.03 | 45,325 |
| 2011 Year in Review | 0 | - | 4.16 | 41,242 |
| 2013 Year in Review | 0 | - | 4.32 | 39,724 |
| 2014 Year in Review | 0 | - | 4.42 | 30,764 |
| 2020 Year in Review | 0 | - | 4.48 | 26,320 |
| 1970s Decade Quiz | 0 | - | 4.16 | 49,480 |
| 2000s Decade Quiz | 0 | - | 4.20 | 102,790 |
| 1980s Decade Quiz | 0 | - | 4.35 | 71,680 |
| 1910s Decade Quiz | 0 | - | 4.17 | 50,584 |
| 1930s Decade Quiz | 0 | - | 4.25 | 46,973 |
| 1920s Decade Quiz | 0 | - | 4.32 | 47,363 |
| 1900s Decade Quiz | 0 | - | 4.15 | 42,522 |
| 1860s Decade Quiz | 0 | - | 4.29 | 38,900 |
| 1880s Decade Quiz | 0 | - | 4.21 | 37,934 |
| 1890s Decade Quiz | 0 | - | 4.22 | 38,324 |
| 1990s Decade Quiz | 0 | - | 4.02 | 50,662 |
| 1870s Decade Quiz | 0 | - | 4.28 | 35,272 |
| 1840s Decade Quiz | 0 | - | 4.29 | 36,086 |
| 1850s Decade Quiz | 0 | - | 4.40 | 33,490 |
| 1790s Decade Quiz | 0 | - | 4.53 | 31,614 |
| 1800s Decade Quiz | 0 | - | 4.45 | 30,170 |
| 1810s Decade Quiz | 0 | - | 4.56 | 29,399 |
| 1820s Decade Quiz | 0 | - | 4.50 | 28,277 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.38 | 7,907 |
| Years in History #1 - Multiple Choice | 0 | - | 4.84 | 63,568 |
| Cradles of Civilization | 0 | - | 4.41 | 32,794 |
| History of The Netherlands | 0 | - | 4.43 | 15,881 |
| Materials From History #1 | 0 | - | 4.54 | 45,326 |
| Historical Countries by Ruler | 0 | - | 4.45 | 39,978 |
| World Leaders Quiz #2 | 0 | - | 4.01 | 25,160 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 18,439 |
| Biggest Nations and Empires Ever | 0 | - | 4.55 | 134,697 |
| Famous Explorers | 0 | - | 4.65 | 32,887 |
| Answers by Time Period | 0 | - | 4.49 | 42,907 |
| Territorial Accessions | 0 | - | 4.43 | 32,376 |
| The Life of King David | 0 | - | 4.43 | 13,472 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.96 | 36,999 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 49,083 |
| Top 10 Oldest African Countries | 0 | - | 4.84 | 23,333 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 126,905 |
| All Disney Animated Movies | 0 | - | 4.83 | 394,517 |
| Countries by Number of Books Published | 0 | - | 4.95 | 64,359 |
| NATO Countries Quiz | 0 | - | 4.98 | 228,020 |
| EU Countries Quiz | 0 | - | 4.99 | 230,153 |
| Top Five Countries by Religion | 0 | - | 4.90 | 144,566 |
| 7 Deadly Sins Quiz | 0 | - | 4.86 | 348,036 |
| Books of the Protestant Bible Quiz | 0 | - | 4.87 | 181,441 |
| Influential Women in History | 0 | - | 4.47 | 30,594 |
| Former Flags | 0 | - | 4.98 | 82,358 |
| Ancient Greece A-Z | 0 | - | 4.63 | 20,946 |
| Historical Events - AD or BC? | 0 | - | 4.75 | 52,596 |
| Materials From History #2 | 0 | - | 4.58 | 24,976 |
| Historic Orient Express Routes Map | 0 | - | 4.99 | 47,566 |
| First Names of Painters | 0 | - | 4.38 | 56,567 |
| WWII Trivia #1 | 0 | - | 4.36 | 164,116 |
| Important Cities in WWII | 0 | - | 4.46 | 84,415 |
| World War II Multiple Choice | 0 | - | 4.38 | 95,980 |
| WWII True or False? | 0 | - | 4.55 | 51,765 |
| 1950s Decade Quiz | 0 | - | 4.37 | 46,792 |
| 1960s Decade Quiz #1 | 0 | - | 4.38 | 47,574 |
| 20th Century Dates Quiz | 0 | - | 4.53 | 38,032 |
| Events in History #2 | 0 | - | 4.47 | 67,303 |
| Events in History #4 | 0 | - | 4.44 | 41,291 |
| Name a Valid Year in History | 0 | - | 4.92 | 54,380 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.18 | 46,709 |
| Assassinations in History Quiz | 0 | - | 4.17 | 63,288 |
| Famous Seconds Quiz | 0 | - | 4.21 | 44,656 |
| Ages and Eras Quiz | 0 | - | 4.35 | 64,701 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.22 | 38,383 |
| Titled People Quiz #1 | 0 | - | 4.14 | 43,968 |
| Titled People Quiz #3 | 0 | - | 4.33 | 41,419 |
| Job Titles Quiz #1 | 0 | - | 4.23 | 73,695 |
| Historical Blunders | 0 | - | 4.32 | 87,376 |
| The American Civil War | 0 | - | 4.63 | 49,336 |
| This Day in History - April | 0 | - | 4.42 | 43,418 |
| This Day in History - July | 0 | - | 4.48 | 35,203 |
| This Day in History - August | 0 | - | 4.41 | 41,919 |
| This Day in History - September | 0 | - | 4.55 | 55,113 |
| This Day in History - October | 0 | - | 4.49 | 36,396 |
| This Day in History - January | 0 | - | 4.53 | 44,652 |
| This Day in History - February | 0 | - | 4.41 | 38,502 |
| This Day in History - March | 0 | - | 4.44 | 42,098 |
| The 7 Wonders of the Ancient World | 0 | - | 4.79 | 65,746 |
| Ancient Civilizations | 0 | - | 4.56 | 34,823 |
| 2015 Year in Review | 0 | - | 4.04 | 25,124 |
| 2010 Year in Review | 0 | - | 4.00 | 48,546 |
| 2016 Year in Review | 0 | - | 3.90 | 32,396 |
| Quiz on the Year 1997 | 0 | - | 4.33 | 18,740 |
| Quiz on the Year 1998 | 0 | - | 4.29 | 15,128 |
| Quiz on the Year 2001 | 0 | - | 4.39 | 21,263 |
| 17th Century A-Z | 0 | - | 4.61 | 24,214 |
| 1830s Decade Quiz | 0 | - | 4.40 | 27,677 |
| 1780s Decade Quiz | 0 | - | 4.30 | 24,457 |
| The Places They Went #1 | 0 | - | 4.77 | 32,486 |
| Famous Inventors | 0 | - | 4.44 | 42,516 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 25,429 |
| British History A-Z | 0 | - | 4.47 | 39,884 |
| Houses of British Monarchs | 0 | - | 4.50 | 52,584 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.14 | 950,251 |
| Coldest World Capitals | 0 | - | 4.96 | 128,459 |
| World Currency Quiz | 0 | - | 4.92 | 249,566 |
| Countries with the Most Millionaires | 0 | - | 4.85 | 85,303 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 42,233 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 67,067 |
| Cities with the Biggest Economies | 0 | - | 4.92 | 119,299 |
| Countries with the Most Christians | 0 | - | 4.93 | 123,224 |
| Least Christian Countries with Exceptions | 0 | - | 4.89 | 73,987 |
| Majority Muslim Countries | 0 | - | 4.97 | 315,979 |
| Buddhist Countries | 0 | - | 4.96 | 131,725 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,013,676 |
| Body Parts in History and Culture | 0 | - | 4.48 | 32,997 |
| History Analogies #1 | 0 | - | 4.47 | 76,255 |
| History Analogies #2 | 0 | - | 4.51 | 64,769 |
| Current Events by Year, 1990–2009 | 0 | - | 4.75 | 145,181 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 61,898 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 49,766 |
| History Analogies #3 | 0 | - | 4.54 | 66,921 |
| People Born on Islands | 0 | - | 4.43 | 40,341 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.72 | 54,235 |
| Which Came First? | 0 | - | 4.35 | 69,651 |
| Years in History by Picture | 0 | - | 4.43 | 30,388 |
| Valid Answer - World History #2 | 0 | - | 4.41 | 39,740 |
| States of the German Confederation in 1848 | 0 | - | 4.84 | 26,893 |
| Random History by Country | 0 | - | 4.53 | 31,695 |
| Valid Answer - World History #1 | 0 | - | 4.57 | 56,719 |
| People - Real or Fictional? | 0 | - | 4.52 | 53,327 |
| Places - Real or Fictional? | 0 | - | 4.56 | 46,069 |
| History True or False #3 | 0 | - | 4.55 | 37,394 |
| World Leaders of the Cold War | 0 | - | 4.34 | 22,618 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.19 | 40,941 |
| A to Z: Legendary Creatures | 0 | - | 4.31 | 48,620 |
| Events in History #3 | 0 | - | 4.35 | 68,008 |
| Events in History #1 | 0 | - | 4.32 | 150,308 |
| Events in Ancient History | 0 | - | 4.49 | 32,336 |
| People Who Died Young #1 | 0 | - | 4.24 | 61,873 |
| Deaths by Date and Cause #1 | 0 | - | 4.39 | 78,046 |
| Deaths by Date and Cause #2 | 0 | - | 4.04 | 50,316 |
| Famous Firsts #1 | 0 | - | 4.42 | 65,975 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 66,813 |
| Invasions | 0 | - | 4.71 | 90,103 |
| First Names of Historical Figures #1 | 0 | - | 4.41 | 217,613 |
