| #1 Hits of the 2010s | 0 | - | 4.41 | 298,277 |
| #1 Hits of the 1980s | 0 | - | 4.87 | 149,694 |
| Who Did That 1960s Song #2 | 0 | - | 4.46 | 41,229 |
| Who Did That 1970s Song #1 | 0 | - | 4.48 | 89,240 |
| 1980s Albums | 0 | - | 4.41 | 46,787 |
| Who Did That 1980s Song #3 | 0 | - | 4.58 | 55,024 |
| 2010s Music Trivia | 0 | - | 4.41 | 94,300 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 54,280 |
| Don't Stop Believin' Lyrics | 0 | - | 4.47 | 224,824 |
| #1 Hits of the 2000s | 0 | - | 4.30 | 203,357 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,110 |
| Music by Year, 1950–1969 | 0 | - | 4.46 | 30,728 |
| #1 Hits of the 1960s | 0 | - | 4.59 | 43,074 |
| #1 Hits of the 1970s | 0 | - | 4.44 | 85,504 |
| 100 Best Songs of the 2000s | 0 | - | 4.21 | 39,653 |
| Music by Year, 1990–2009 | 0 | - | 4.18 | 110,533 |
| Music by Year, 1970–1989 | 0 | - | 4.31 | 41,354 |
| Who Did That 1960s Song #1 | 0 | - | 4.38 | 47,841 |
| Woodstock Performers | 0 | - | 4.55 | 10,696 |
| Who Did That 1970s Song #2 | 0 | - | 4.25 | 53,951 |
| I Will Survive Lyrics | 0 | - | 4.25 | 37,785 |
| Who Did That 1980s Song #2 | 0 | - | 4.31 | 75,888 |
| Who Did That 1980s Song #1 | 0 | - | 4.37 | 171,067 |
| Africa - Toto Lyrics | 0 | - | 4.58 | 7,402 |
| Who Did That 1990s Song #2 | 0 | - | 4.28 | 61,408 |
| Who Did That 1990s Song #1 | 0 | - | 4.17 | 76,550 |
| Who Did That 1990s Song #3 | 0 | - | 4.08 | 56,272 |
| Who Did That 2000s Song #2 | 0 | - | 4.17 | 116,376 |
| Who Did That 2000s Song #1 | 0 | - | 4.23 | 92,745 |
| Who Did That 2010s Song #1 | 0 | - | 4.44 | 24,957 |
| 1970s Music Trivia | 0 | - | 4.29 | 31,837 |
| "We Are the World" Solo Musicians | 0 | - | 4.17 | 11,449 |
| 1990s Music Trivia #1 | 0 | - | 4.28 | 51,100 |
| 1990s Music Trivia #2 | 0 | - | 4.06 | 35,886 |
| 1990s One Hit Wonders | 0 | - | 4.00 | 38,036 |
| #1 Hits of the 1990s | 0 | - | 4.38 | 100,973 |
| 2000s Music Trivia #1 | 0 | - | 4.04 | 67,506 |
| 2000s Music Trivia #2 | 0 | - | 4.19 | 53,316 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 153,080 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 65,375 |
| Current Events by Year, 1930–1949 | 0 | - | 4.47 | 52,251 |
| 1950s Decade Quiz | 0 | - | 4.42 | 49,792 |
| 1960s Decade Quiz #2 | 0 | - | 4.45 | 45,617 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 492,637 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 716,776 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,808 |
| 1970s Albums | 0 | - | 4.38 | 27,809 |
| Fads of the 1980s | 0 | - | 4.06 | 36,968 |
| Who Did That Power Ballad? | 0 | - | 3.86 | 38,223 |
| Livin' on a Prayer Lyrics | 0 | - | 4.28 | 96,443 |
| Hair Band Songs Quiz | 0 | - | 4.22 | 28,973 |
| Fads of the 1990s | 0 | - | 4.03 | 36,664 |
| Ice Ice Baby Lyrics | 0 | - | 3.48 | 36,405 |
| 1990s Albums | 0 | - | 4.23 | 25,706 |
| Girls of Mambo Number 5 | 0 | - | 4.38 | 19,561 |
| Things that Alanis Morissette Finds "Ironic" | 0 | - | 4.26 | 22,362 |
| 1990s Movie Silhouettes | 0 | - | 4.98 | 99,900 |
| 2010s U.S. Pop Culture | 0 | - | 4.28 | 36,976 |
| 2000s Albums | 0 | - | 4.24 | 17,068 |
| Who Did That 2010s Song #2 | 0 | - | 4.15 | 15,857 |
| The 20th Century | 0 | - | 4.46 | 97,894 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,524 |
| The 19th Century | 0 | - | 4.53 | 68,325 |
| The 18th Century | 0 | - | 4.53 | 53,470 |
| The 16th Century | 0 | - | 4.77 | 59,006 |
| The 15th Century | 0 | - | 4.43 | 51,354 |
| The 14th Century | 0 | - | 4.55 | 49,443 |
| The 21st Century | 0 | - | 4.47 | 106,569 |
| The 17th Century | 0 | - | 4.54 | 54,018 |
| 1960s Music Trivia | 0 | - | 4.36 | 23,809 |
| 1980s Music Trivia #1 | 0 | - | 4.23 | 29,563 |
| 1980s Music Trivia #2 | 0 | - | 4.30 | 22,343 |
| The 7th, 8th, 9th and 10th Century BC | 0 | - | 4.67 | 17,959 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.75 | 38,245 |
| Current Events by Year, 1950–1969 | 0 | - | 4.35 | 46,719 |
| Current Events by Year, 1910–1929 | 0 | - | 4.27 | 47,564 |
| Were They Alive During This? | 0 | - | 4.94 | 49,195 |
| "Second Best" History Edition | 0 | - | 4.94 | 64,452 |
| 1960s Decade Quiz #1 | 0 | - | 4.40 | 50,786 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,677 |
| Quiz on the Year 2001 | 0 | - | 4.48 | 24,577 |
| Movies by Year, 1990–2009 | 0 | - | 4.21 | 66,939 |
| The 13th Century | 0 | - | 4.48 | 43,415 |
| The 11th and 12th Century | 0 | - | 4.53 | 56,295 |
| 20th Century A-Z | 0 | - | 4.50 | 54,059 |
| The 7th and 8th Century | 0 | - | 4.42 | 30,591 |
| The 1st and 2nd Century | 0 | - | 4.61 | 30,761 |
| The 5th and 6th Century | 0 | - | 4.80 | 28,693 |
| The 1st and 2nd Century BC | 0 | - | 4.43 | 24,250 |
| The 5th and 6th Century BC | 0 | - | 4.49 | 19,189 |
| 1940s Decade Quiz | 0 | - | 4.51 | 52,504 |
| 2010s Decade Quiz | 0 | - | 4.53 | 103,936 |
| 1850s Decade Quiz | 0 | - | 4.42 | 35,430 |
| 1790s Decade Quiz | 0 | - | 4.55 | 33,873 |
| 1800s Decade Quiz | 0 | - | 4.47 | 32,144 |
| A Quiz About Elvis Presley | 0 | - | 4.34 | 21,318 |
| 1980s One Hit Wonders | 0 | - | 3.89 | 26,498 |
| Original Mortal Kombat Characters | 0 | - | 4.09 | 40,998 |
| Fads of the 2000s | 0 | - | 3.68 | 61,443 |
| 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 |
| Recent Movie Taglines Quiz | 0 | - | 4.30 | 54,312 |
| 2014 Ebola Outbreak Countries | 0 | - | 4.41 | 13,268 |
| Metals of Antiquity | 0 | - | 4.95 | 94,061 |
| Former Countries by Territory Map | 0 | - | 4.96 | 104,303 |
| Empires by Maps | 0 | - | 4.98 | 122,709 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,254 |
| History: What Came First? #1 | 0 | - | 4.87 | 106,195 |
| History: What Came First? #2 | 0 | - | 4.81 | 80,257 |
| History - Did They Have It? | 0 | - | 4.85 | 62,367 |
| Political Figures by Last Name #1 | 0 | - | 4.56 | 68,863 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 710,965 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 21,089 |
| The 7 Wonders of the Ancient World | 0 | - | 4.86 | 82,682 |
| 19th Century A-Z | 0 | - | 4.77 | 47,526 |
| 18th Century A-Z | 0 | - | 4.54 | 43,370 |
| The 3rd and 4th Century BC | 0 | - | 4.32 | 21,094 |
| 17th Century A-Z | 0 | - | 4.78 | 34,792 |
| 1970s Decade Quiz | 0 | - | 4.23 | 61,080 |
| 2000s Decade Quiz | 0 | - | 4.23 | 123,226 |
| 1980s Decade Quiz | 0 | - | 4.38 | 86,216 |
| 1910s Decade Quiz | 0 | - | 4.21 | 52,926 |
| 1930s Decade Quiz | 0 | - | 4.21 | 49,384 |
| 1920s Decade Quiz | 0 | - | 4.33 | 50,049 |
| 1900s Decade Quiz | 0 | - | 4.18 | 44,471 |
| 1860s Decade Quiz | 0 | - | 4.31 | 40,540 |
| 1880s Decade Quiz | 0 | - | 4.25 | 39,602 |
| 1890s Decade Quiz | 0 | - | 4.25 | 40,018 |
| 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 | 30,020 |
| 1830s Decade Quiz | 0 | - | 4.42 | 29,384 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,738 |
| People Portrayed by Andy Warhol | 0 | - | 4.35 | 38,309 |
| 1980s Movie Trivia #1 | 0 | - | 4.58 | 31,551 |
| Michael Jackson Complete Song Discography | 0 | - | 4.56 | 5,853 |
| Highest Grossing 1980s Movies | 0 | - | 4.47 | 65,881 |
| 1990s Movie Trivia #1 | 0 | - | 4.38 | 53,195 |
| 1990s Movie Trivia #2 | 0 | - | 4.40 | 42,019 |
| Highest Grossing 1990s Movies | 0 | - | 4.50 | 109,073 |
| 2000s Movie Trivia #1 | 0 | - | 4.36 | 73,532 |
| 2000s Movie Quotes Quiz | 0 | - | 3.98 | 75,556 |
| 2010s Movie Trivia | 0 | - | 4.33 | 51,290 |
| 2010s Obituaries | 0 | - | 4.46 | 26,260 |
| Top 10 Oldest African Countries | 0 | - | 4.87 | 28,328 |
| Former Flags | 0 | - | 4.97 | 108,889 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,534 |
| Historic Orient Express Routes Map | 0 | - | 5.00 | 53,977 |
| Trace the Route of Ibn Battuta on a Map | 0 | - | 4.99 | 22,803 |
| Cold War Decoder | 0 | - | 4.83 | 52,728 |
| Name a Valid Year in History | 0 | - | 4.93 | 68,198 |
| Quiz on the Year 1908 | 0 | - | 4.25 | 13,012 |
| 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 | 21,433 |
| Movies by Year, 1970–1989 | 0 | - | 4.38 | 25,490 |
| Figures From the 18th Century | 0 | - | 4.02 | 15,642 |
| 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 |
| 1990s Decade Quiz | 0 | - | 4.00 | 63,061 |
| 1780s Decade Quiz | 0 | - | 4.36 | 25,719 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,331 |
| 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 | 50,303 |
| European History for Dummies | 0 | - | 4.83 | 90,513 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,180 |
| British History Quiz for Dummies | 0 | - | 4.70 | 79,187 |
| Rat Pack Members | 0 | - | 4.03 | 5,205 |
| 1970s Celebrities | 0 | - | 4.03 | 13,797 |
| 1970s... or 1980s? | 0 | - | 4.60 | 30,718 |
| Top 100 NES Video Games | 0 | - | 4.21 | 20,974 |
| 1980s Celebrities | 0 | - | 4.39 | 17,508 |
| 1980s Movie Trivia #2 | 0 | - | 4.28 | 20,854 |
| Ways to Die in Oregon Trail | 0 | - | 4.14 | 13,820 |
| Back to the Future Trivia | 0 | - | 4.59 | 34,725 |
| 1990s Catchphrases | 0 | - | 4.22 | 176,630 |
| Street Fighter 2 Characters | 0 | - | 4.26 | 21,010 |
| Top Box Office Stars of the 1990s | 0 | - | 4.30 | 31,805 |
| 2000s Catchphrases | 0 | - | 3.04 | 349,413 |
| 2000s Movie Trivia #2 | 0 | - | 4.19 | 28,766 |
| 2010s American TV Trivia | 0 | - | 4.45 | 19,836 |
| Breaking Bad Trivia | 0 | - | 4.45 | 55,554 |
| Countries by National Anthem | 0 | - | 4.92 | 71,449 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,752 |
| Name a Valid Answer - British History | 0 | - | 4.57 | 15,256 |
| Influential Women in History | 0 | - | 4.43 | 36,607 |
| Cradles of Civilization | 0 | - | 4.46 | 40,568 |
| Years in History by Picture | 0 | - | 4.45 | 35,965 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,916 |
| Materials From History #1 | 0 | - | 4.56 | 52,149 |
| Materials From History #2 | 0 | - | 4.59 | 31,643 |
| Historical Countries by Ruler | 0 | - | 4.48 | 49,366 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 25,197 |
| All World Leaders 2026 | 0 | - | 4.95 | 21,191 |
| Prime Ministers of the UK | 0 | - | 4.95 | 443,423 |
| WWII Geography | 0 | - | 4.81 | 121,559 |
| Normandy D-Day Beaches | 0 | - | 4.84 | 40,812 |
