| 2010s Obituaries | 0 | - | 4.46 | 26,248 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 54,266 |
| 2016 Obituaries | 0 | - | 4.07 | 18,259 |
| Historic Orient Express Routes Map | 0 | - | 5.00 | 53,969 |
| All World Leaders 2026 | 0 | - | 4.95 | 21,188 |
| 20th Century A-Z | 0 | - | 4.50 | 54,057 |
| Military History Vocabulary | 0 | - | 4.92 | 67,789 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 153,076 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 65,374 |
| Current Events by Year, 1930–1949 | 0 | - | 4.47 | 52,250 |
| 1950s Decade Quiz | 0 | - | 4.42 | 49,787 |
| 1960s Decade Quiz #2 | 0 | - | 4.45 | 45,616 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,579 |
| Countries That Were Invaded | 0 | - | 4.55 | 98,361 |
| 19th Century A-Z | 0 | - | 4.77 | 47,526 |
| 18th Century A-Z | 0 | - | 4.54 | 43,369 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,807 |
| 17th Century A-Z | 0 | - | 4.78 | 34,792 |
| 2010s Music Trivia | 0 | - | 4.41 | 94,298 |
| Normandy D-Day Beaches | 0 | - | 4.84 | 40,808 |
| Territory Changes in World War I | 0 | - | 4.88 | 47,399 |
| People Portrayed by Andy Warhol | 0 | - | 4.35 | 38,307 |
| 2010s U.S. Pop Culture | 0 | - | 4.28 | 36,974 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,683 |
| "Second Best" History Edition | 0 | - | 4.94 | 64,449 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,808 |
| The 20th Century | 0 | - | 4.46 | 97,890 |
| WWII Geography | 0 | - | 4.81 | 121,556 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,544 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,521 |
| The 19th Century | 0 | - | 4.53 | 68,322 |
| The 18th Century | 0 | - | 4.53 | 53,469 |
| The 16th Century | 0 | - | 4.77 | 59,004 |
| The 15th Century | 0 | - | 4.43 | 51,352 |
| The 14th Century | 0 | - | 4.55 | 49,443 |
| 16th Century A-Z | 0 | - | 4.59 | 25,053 |
| 15th Century A-Z | 0 | - | 4.50 | 24,043 |
| 14th Century A-Z | 0 | - | 4.41 | 24,536 |
| The 21st Century | 0 | - | 4.47 | 106,566 |
| The 17th Century | 0 | - | 4.54 | 54,016 |
| 100 Best Songs of the 2000s | 0 | - | 4.21 | 39,649 |
| 2010s American TV Trivia | 0 | - | 4.45 | 19,836 |
| The 7th, 8th, 9th and 10th Century BC | 0 | - | 4.67 | 17,957 |
| Current Events by Year, 1950–1969 | 0 | - | 4.35 | 46,719 |
| Current Events by Year, 1910–1929 | 0 | - | 4.27 | 47,563 |
| Former Countries by Territory Map | 0 | - | 4.96 | 104,296 |
| Empires by Maps | 0 | - | 4.98 | 122,700 |
| Famous Dictators #1 | 0 | - | 4.69 | 200,814 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 120,030 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 106,162 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 49,046 |
| WWI... or WWII? | 0 | - | 4.85 | 143,924 |
| 1960s Decade Quiz #1 | 0 | - | 4.40 | 50,783 |
| Famous Battles Quiz | 0 | - | 4.21 | 49,189 |
| Name the War | 0 | - | 4.37 | 203,051 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,668 |
| Names for Warriors | 0 | - | 4.40 | 37,098 |
| The 7 Wonders of the Ancient World | 0 | - | 4.86 | 82,681 |
| The 13th Century | 0 | - | 4.48 | 43,414 |
| The 11th and 12th Century | 0 | - | 4.53 | 56,295 |
| The 7th and 8th Century | 0 | - | 4.42 | 30,590 |
| The 1st and 2nd Century | 0 | - | 4.61 | 30,759 |
| The 5th and 6th Century | 0 | - | 4.80 | 28,691 |
| The 1st and 2nd Century BC | 0 | - | 4.43 | 24,248 |
| The 5th and 6th Century BC | 0 | - | 4.49 | 19,187 |
| 1940s Decade Quiz | 0 | - | 4.51 | 52,501 |
| 2010s Decade Quiz | 0 | - | 4.53 | 103,922 |
| 1850s Decade Quiz | 0 | - | 4.42 | 35,430 |
| 1790s Decade Quiz | 0 | - | 4.55 | 33,871 |
| 1800s Decade Quiz | 0 | - | 4.47 | 32,143 |
| #1 Hits of the 1980s | 0 | - | 4.87 | 149,689 |
| 2000s U.S. Pop Culture | 0 | - | 4.19 | 16,177 |
| 1990s U.S. Pop Culture | 0 | - | 4.05 | 11,374 |
| 1980s U.S. Pop Culture | 0 | - | 4.03 | 10,540 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,493 |
| Historical Rulers #2 | 0 | - | 4.24 | 47,823 |
| Historical Rulers #1 | 0 | - | 4.34 | 119,617 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 110,389 |
| World Leaders Quiz #2 | 0 | - | 4.01 | 36,116 |
| Quiz on the Year 2001 | 0 | - | 4.48 | 24,576 |
| Music by Year, 1990–2009 | 0 | - | 4.18 | 110,527 |
| Music by Year, 1970–1989 | 0 | - | 4.31 | 41,351 |
| Movies by Year, 1990–2009 | 0 | - | 4.21 | 66,938 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,268 |
| Fads of the 2000s | 0 | - | 3.68 | 61,442 |
| 2000s American TV Trivia | 0 | - | 4.16 | 20,901 |
| 2014 Ebola Outbreak Countries | 0 | - | 4.41 | 13,267 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,328,328 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,421 |
| Metals of Antiquity | 0 | - | 4.95 | 94,055 |
| Popular Royal Names | 0 | - | 4.27 | 125,487 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,253 |
| History: What Came First? #1 | 0 | - | 4.87 | 106,191 |
| History - Did They Have It? | 0 | - | 4.85 | 62,365 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,891 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 710,955 |
| First Names of Painters | 0 | - | 4.43 | 60,127 |
| Notable People of WWII | 0 | - | 4.53 | 86,662 |
| WWII Trivia #2 | 0 | - | 4.52 | 104,746 |
| World War I Quiz | 0 | - | 4.78 | 102,204 |
| WWI A-Z | 0 | - | 4.51 | 38,684 |
| The 3rd and 4th Century BC | 0 | - | 4.32 | 21,093 |
| 1970s Decade Quiz | 0 | - | 4.23 | 61,078 |
| 2000s Decade Quiz | 0 | - | 4.23 | 123,197 |
| 1980s Decade Quiz | 0 | - | 4.38 | 86,211 |
| 1910s Decade Quiz | 0 | - | 4.21 | 52,924 |
| 1930s Decade Quiz | 0 | - | 4.21 | 49,382 |
| 1920s Decade Quiz | 0 | - | 4.33 | 50,047 |
| 1860s Decade Quiz | 0 | - | 4.31 | 40,540 |
| 1880s Decade Quiz | 0 | - | 4.25 | 39,602 |
| 1890s Decade Quiz | 0 | - | 4.25 | 40,016 |
| 1870s Decade Quiz | 0 | - | 4.28 | 36,807 |
| 1840s Decade Quiz | 0 | - | 4.31 | 37,817 |
| 1810s Decade Quiz | 0 | - | 4.58 | 31,150 |
| 1820s Decade Quiz | 0 | - | 4.54 | 30,019 |
| 1830s Decade Quiz | 0 | - | 4.42 | 29,383 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,737 |
| 1970s Music Trivia | 0 | - | 4.29 | 31,836 |
| 1980s Movie Trivia #1 | 0 | - | 4.58 | 31,551 |
| 1990s Music Trivia #1 | 0 | - | 4.28 | 51,097 |
| 1990s Music Trivia #2 | 0 | - | 4.06 | 35,884 |
| 1990s Movie Trivia #1 | 0 | - | 4.38 | 53,194 |
| 1990s Movie Trivia #2 | 0 | - | 4.40 | 42,019 |
| 2000s Music Trivia #1 | 0 | - | 4.04 | 67,505 |
| 2000s Music Trivia #2 | 0 | - | 4.19 | 53,313 |
| 2000s Movie Trivia #1 | 0 | - | 4.36 | 73,530 |
| 2010s Movie Trivia | 0 | - | 4.33 | 51,289 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 158,873 |
| Top 10 Oldest African Countries | 0 | - | 4.87 | 28,328 |
| Influential Women in History | 0 | - | 4.43 | 36,606 |
| Cradles of Civilization | 0 | - | 4.46 | 40,568 |
| History of The Netherlands | 0 | - | 4.46 | 17,580 |
| Materials From History #1 | 0 | - | 4.56 | 52,147 |
| Materials From History #2 | 0 | - | 4.59 | 31,641 |
| Historical Countries by Ruler | 0 | - | 4.48 | 49,364 |
| UN Secretaries-General | 0 | - | 4.40 | 7,859 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,703 |
| Name a Valid Year in History | 0 | - | 4.93 | 68,195 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,783 |
| Famous Explorers | 0 | - | 4.58 | 36,420 |
| Famous Empires by Description | 0 | - | 4.74 | 119,092 |
| Answers by Time Period | 0 | - | 4.64 | 55,952 |
| Coups d'Etat - Name the Country | 0 | - | 4.44 | 42,506 |
| Quiz on the Year 1997 | 0 | - | 4.40 | 21,218 |
| Quiz on the Year 1998 | 0 | - | 4.33 | 17,454 |
| Quiz on the Year 2000 | 0 | - | 4.08 | 21,431 |
| Movies by Year, 1970–1989 | 0 | - | 4.38 | 25,490 |
| Figures From the 18th Century | 0 | - | 4.02 | 15,642 |
| 1900s Decade Quiz | 0 | - | 4.18 | 44,468 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,327 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,818 |
| All Modern-Day Countries Ever Controlled by the British | 0 | - | 4.81 | 50,302 |
| Most Important People in History | 0 | - | 3.97 | 51,077 |
| Rat Pack Members | 0 | - | 4.03 | 5,205 |
| Who Did That 1960s Song #2 | 0 | - | 4.46 | 41,229 |
| 1970s Celebrities | 0 | - | 4.03 | 13,797 |
| Who Did That 1970s Song #1 | 0 | - | 4.48 | 89,239 |
| 1980s Celebrities | 0 | - | 4.39 | 17,508 |
| 1980s Albums | 0 | - | 4.41 | 46,785 |
| Who Did That 1980s Song #3 | 0 | - | 4.58 | 55,022 |
| Highest Grossing 1980s Movies | 0 | - | 4.47 | 65,880 |
| Highest Grossing 1990s Movies | 0 | - | 4.50 | 109,070 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 96,245 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 292,143 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 278,319 |
| Countries with NO Military | 0 | - | 4.97 | 63,681 |
| Top Arms Exporting Countries | 0 | - | 4.97 | 106,074 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 150,128 |
| Countries with the Least Dense Road Networks | 0 | - | 4.82 | 41,878 |
| Monarchies of the World | 0 | - | 4.94 | 170,668 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 114,227 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 113,627 |
| Countries where the Sea Freezes | 0 | - | 4.92 | 115,621 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,870 |
| Disney Animated Characters | 0 | - | 4.88 | 603,299 |
| People on Money by Country | 0 | - | 4.83 | 60,848 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,247 |
| Fast Math - Addition | 0 | - | 4.87 | 525,671 |
| NATO Countries | 0 | - | 4.98 | 284,265 |
| EU Countries Quiz | 0 | - | 4.99 | 279,183 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,949 |
| 7 Deadly Sins | 0 | - | 4.88 | 405,079 |
| Books of the Protestant Bible | 0 | - | 4.85 | 212,435 |
| Majority Muslim Countries | 0 | - | 4.98 | 378,685 |
| Astronomy Quiz | 0 | - | 4.90 | 83,475 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 138,840 |
| Solar System Trivia | 0 | - | 4.93 | 47,313 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 66,327 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,095 |
| Countries with the Most Rail Travel | 0 | - | 4.85 | 37,770 |
| Countries with the Most Rail Travel per Capita | 0 | - | 4.93 | 33,687 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 155,862 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 170,589 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 88,664 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.85 | 40,522 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 118,111 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,704 |
| Former Flags | 0 | - | 4.97 | 108,885 |
| Years in History by Picture | 0 | - | 4.45 | 35,965 |
| Russian History A-Z | 0 | - | 4.35 | 32,328 |
