| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 54,244 |
| 2010s Obituaries | 0 | - | 4.46 | 26,238 |
| Historic Orient Express Routes Map | 0 | - | 5.00 | 53,911 |
| All World Leaders 2026 | 0 | - | 4.95 | 21,138 |
| 20th Century A-Z | 0 | - | 4.50 | 54,039 |
| Military History Vocabulary | 0 | - | 4.92 | 67,769 |
| 2016 Obituaries | 0 | - | 4.07 | 18,256 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 153,052 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 65,360 |
| Current Events by Year, 1930–1949 | 0 | - | 4.47 | 52,243 |
| 1950s Decade Quiz | 0 | - | 4.42 | 49,776 |
| 1960s Decade Quiz #2 | 0 | - | 4.45 | 45,606 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,531 |
| Countries That Were Invaded | 0 | - | 4.55 | 98,318 |
| 19th Century A-Z | 0 | - | 4.77 | 47,510 |
| 18th Century A-Z | 0 | - | 4.54 | 43,359 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,802 |
| 17th Century A-Z | 0 | - | 4.78 | 34,785 |
| 2010s Music Trivia | 0 | - | 4.41 | 94,232 |
| Normandy D-Day Beaches | 0 | - | 4.84 | 40,787 |
| Territory Changes in World War I | 0 | - | 4.88 | 47,359 |
| People Portrayed by Andy Warhol | 0 | - | 4.35 | 38,290 |
| 2010s U.S. Pop Culture | 0 | - | 4.28 | 36,943 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,668 |
| "Second Best" History Edition | 0 | - | 4.94 | 64,400 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,796 |
| The 20th Century | 0 | - | 4.46 | 97,867 |
| WWII Geography | 0 | - | 4.81 | 121,510 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,495 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,515 |
| The 19th Century | 0 | - | 4.53 | 68,309 |
| The 18th Century | 0 | - | 4.53 | 53,457 |
| The 16th Century | 0 | - | 4.77 | 58,997 |
| The 15th Century | 0 | - | 4.43 | 51,345 |
| The 14th Century | 0 | - | 4.55 | 49,436 |
| 16th Century A-Z | 0 | - | 4.59 | 25,046 |
| 15th Century A-Z | 0 | - | 4.50 | 24,035 |
| 14th Century A-Z | 0 | - | 4.41 | 24,528 |
| The 21st Century | 0 | - | 4.47 | 106,534 |
| The 17th Century | 0 | - | 4.54 | 54,008 |
| 1990s Movie Silhouettes | 0 | - | 4.98 | 99,849 |
| 100 Best Songs of the 2000s | 0 | - | 4.21 | 39,631 |
| 2010s American TV Trivia | 0 | - | 4.45 | 19,829 |
| The 7th, 8th, 9th and 10th Century BC | 0 | - | 4.67 | 17,952 |
| Current Events by Year, 1950–1969 | 0 | - | 4.35 | 46,715 |
| Current Events by Year, 1910–1929 | 0 | - | 4.27 | 47,556 |
| Former Countries by Territory Map | 0 | - | 4.96 | 104,223 |
| Empires by Maps | 0 | - | 4.98 | 122,579 |
| Famous Dictators #1 | 0 | - | 4.69 | 200,765 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,990 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 106,123 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 49,032 |
| WWI... or WWII? | 0 | - | 4.85 | 143,834 |
| 1960s Decade Quiz #1 | 0 | - | 4.40 | 50,771 |
| Famous Battles Quiz | 0 | - | 4.21 | 49,177 |
| Name the War | 0 | - | 4.37 | 202,994 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,655 |
| Names for Warriors | 0 | - | 4.40 | 37,089 |
| The 7 Wonders of the Ancient World | 0 | - | 4.86 | 82,669 |
| The 13th Century | 0 | - | 4.48 | 43,401 |
| The 11th and 12th Century | 0 | - | 4.53 | 56,284 |
| The 7th and 8th Century | 0 | - | 4.42 | 30,587 |
| The 1st and 2nd Century | 0 | - | 4.61 | 30,752 |
| The 5th and 6th Century | 0 | - | 4.80 | 28,683 |
| The 1st and 2nd Century BC | 0 | - | 4.43 | 24,239 |
| The 5th and 6th Century BC | 0 | - | 4.49 | 19,180 |
| 1940s Decade Quiz | 0 | - | 4.51 | 52,486 |
| 2010s Decade Quiz | 0 | - | 4.53 | 103,886 |
| 1850s Decade Quiz | 0 | - | 4.42 | 35,423 |
| 1790s Decade Quiz | 0 | - | 4.55 | 33,868 |
| 1800s Decade Quiz | 0 | - | 4.47 | 32,136 |
| #1 Hits of the 1980s | 0 | - | 4.87 | 149,643 |
| 2000s U.S. Pop Culture | 0 | - | 4.19 | 16,170 |
| 1990s U.S. Pop Culture | 0 | - | 4.05 | 11,370 |
| 1980s U.S. Pop Culture | 0 | - | 4.03 | 10,533 |
| Name a Valid Year Each War Occurred In | 0 | - | 4.64 | 24,372 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,479 |
| Historical Rulers #2 | 0 | - | 4.24 | 47,813 |
| Historical Rulers #1 | 0 | - | 4.34 | 119,600 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 110,377 |
| World Leaders Quiz #2 | 0 | - | 4.01 | 36,108 |
| Quiz on the Year 2001 | 0 | - | 4.48 | 24,570 |
| Music by Year, 1990–2009 | 0 | - | 4.18 | 110,492 |
| Music by Year, 1970–1989 | 0 | - | 4.31 | 41,342 |
| Movies by Year, 1990–2009 | 0 | - | 4.21 | 66,919 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,263 |
| Fads of the 2000s | 0 | - | 3.68 | 61,434 |
| 2000s American TV Trivia | 0 | - | 4.16 | 20,897 |
| 2014 Ebola Outbreak Countries | 0 | - | 4.41 | 13,265 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,327,651 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,411 |
| Metals of Antiquity | 0 | - | 4.95 | 94,029 |
| Popular Royal Names | 0 | - | 4.27 | 125,462 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,227 |
| History: What Came First? #1 | 0 | - | 4.87 | 106,141 |
| History - Did They Have It? | 0 | - | 4.85 | 62,341 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,870 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 710,733 |
| First Names of Painters | 0 | - | 4.43 | 60,106 |
| Notable People of WWII | 0 | - | 4.53 | 86,638 |
| WWII Trivia #2 | 0 | - | 4.52 | 104,713 |
| World War I Quiz | 0 | - | 4.78 | 102,170 |
| WWI A-Z | 0 | - | 4.51 | 38,666 |
| The 3rd and 4th Century BC | 0 | - | 4.32 | 21,083 |
| 1970s Decade Quiz | 0 | - | 4.23 | 61,043 |
| 2000s Decade Quiz | 0 | - | 4.23 | 123,173 |
| 1980s Decade Quiz | 0 | - | 4.38 | 86,194 |
| 1910s Decade Quiz | 0 | - | 4.21 | 52,912 |
| 1930s Decade Quiz | 0 | - | 4.21 | 49,374 |
| 1920s Decade Quiz | 0 | - | 4.33 | 50,039 |
| 1860s Decade Quiz | 0 | - | 4.31 | 40,536 |
| 1880s Decade Quiz | 0 | - | 4.25 | 39,597 |
| 1890s Decade Quiz | 0 | - | 4.25 | 40,011 |
| 1870s Decade Quiz | 0 | - | 4.28 | 36,800 |
| 1840s Decade Quiz | 0 | - | 4.31 | 37,811 |
| 1810s Decade Quiz | 0 | - | 4.58 | 31,145 |
| 1820s Decade Quiz | 0 | - | 4.54 | 30,013 |
| 1830s Decade Quiz | 0 | - | 4.42 | 29,376 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,719 |
| 1970s Music Trivia | 0 | - | 4.29 | 31,825 |
| 1980s Movie Trivia #1 | 0 | - | 4.58 | 31,544 |
| 1990s Music Trivia #1 | 0 | - | 4.28 | 51,082 |
| 1990s Music Trivia #2 | 0 | - | 4.06 | 35,875 |
| 1990s Movie Trivia #1 | 0 | - | 4.38 | 53,182 |
| 1990s Movie Trivia #2 | 0 | - | 4.40 | 42,008 |
| 2000s Music Trivia #1 | 0 | - | 4.04 | 67,479 |
| 2000s Music Trivia #2 | 0 | - | 4.19 | 53,285 |
| 2000s Movie Trivia #1 | 0 | - | 4.36 | 73,468 |
| 2010s Movie Trivia | 0 | - | 4.33 | 51,272 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 158,784 |
| Top 10 Oldest African Countries | 0 | - | 4.87 | 28,302 |
| Influential Women in History | 0 | - | 4.43 | 36,576 |
| Cradles of Civilization | 0 | - | 4.46 | 40,548 |
| History of The Netherlands | 0 | - | 4.46 | 17,572 |
| Materials From History #1 | 0 | - | 4.56 | 52,125 |
| Materials From History #2 | 0 | - | 4.59 | 31,626 |
| Historical Countries by Ruler | 0 | - | 4.48 | 49,346 |
| Trace the Route of Ibn Battuta on a Map | 0 | - | 4.99 | 22,784 |
| UN Secretaries-General | 0 | - | 4.40 | 7,857 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,701 |
| Name a Valid Year in History | 0 | - | 4.93 | 68,116 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,758 |
| Famous Explorers | 0 | - | 4.58 | 36,409 |
| Famous Empires by Description | 0 | - | 4.73 | 119,064 |
| Answers by Time Period | 0 | - | 4.64 | 55,936 |
| Coups d'Etat - Name the Country | 0 | - | 4.43 | 42,390 |
| Quiz on the Year 1997 | 0 | - | 4.40 | 21,211 |
| Quiz on the Year 1998 | 0 | - | 4.33 | 17,449 |
| Quiz on the Year 2000 | 0 | - | 4.08 | 21,421 |
| Movies by Year, 1970–1989 | 0 | - | 4.38 | 25,484 |
| Figures From the 18th Century | 0 | - | 4.02 | 15,640 |
| 1900s Decade Quiz | 0 | - | 4.18 | 44,462 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,315 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,805 |
| All Modern-Day Countries Ever Controlled by the British | 0 | - | 4.81 | 50,278 |
| Most Important People in History | 0 | - | 3.98 | 51,040 |
| Rat Pack Members | 0 | - | 4.03 | 5,201 |
| Who Did That 1960s Song #2 | 0 | - | 4.46 | 41,212 |
| 1970s Celebrities | 0 | - | 4.03 | 13,796 |
| Who Did That 1970s Song #1 | 0 | - | 4.48 | 89,211 |
| 1980s Celebrities | 0 | - | 4.39 | 17,507 |
| 1980s Albums | 0 | - | 4.41 | 46,762 |
| Who Did That 1980s Song #3 | 0 | - | 4.58 | 54,986 |
| Highest Grossing 1980s Movies | 0 | - | 4.47 | 65,858 |
| Highest Grossing 1990s Movies | 0 | - | 4.50 | 109,044 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 96,199 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,954 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 277,912 |
| Countries with NO Military | 0 | - | 4.97 | 63,616 |
| Top Arms Exporting Countries | 0 | - | 4.97 | 105,921 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 150,031 |
| Countries with the Least Dense Road Networks | 0 | - | 4.82 | 41,850 |
| Monarchies of the World | 0 | - | 4.94 | 170,561 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,955 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 113,242 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 115,356 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,676 |
| Disney Animated Characters | 0 | - | 4.88 | 603,213 |
| People on Money by Country | 0 | - | 4.83 | 60,783 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,196 |
| Fast Math - Addition | 0 | - | 4.87 | 525,519 |
| NATO Countries | 0 | - | 4.98 | 284,034 |
| EU Countries Quiz | 0 | - | 4.99 | 278,932 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,802 |
| 7 Deadly Sins | 0 | - | 4.88 | 404,851 |
| Books of the Protestant Bible | 0 | - | 4.85 | 212,308 |
| Majority Muslim Countries | 0 | - | 4.98 | 378,444 |
| Astronomy Quiz | 0 | - | 4.90 | 83,421 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 138,729 |
| Solar System Trivia | 0 | - | 4.93 | 47,283 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 66,281 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,064 |
| Countries with the Most Rail Travel | 0 | - | 4.85 | 37,727 |
| Countries with the Most Rail Travel per Capita | 0 | - | 4.93 | 33,664 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 155,743 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 170,465 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 88,603 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.84 | 40,468 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 118,076 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,675 |
