| U.S. Baby Boy Names by Decade | 0 | - | 4.47 | 443,182 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.41 | 645,227 |
| Crayola Crayon Colors 64 Pack | 0 | - | 4.98 | 46,913 |
| Countries by Emojis | 0 | - | 4.99 | 205,421 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 64,352 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,113,570 |
| NBA Basketball by Year, 1970–1999 | 0 | - | 4.21 | 42,324 |
| NBA Basketball by Year, 2000–Present | 0 | - | 4.27 | 52,831 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.90 | 285,281 |
| Countries that Produce the Most Beer | 0 | - | 4.90 | 115,711 |
| Celebrity Mugshots Quiz #1 | 0 | - | 4.09 | 247,163 |
| Celebrity Mugshots Quiz #3 | 0 | - | 4.01 | 138,215 |
| "Second Best" History Edition | 0 | - | 4.94 | 46,268 |
| Famous Empires in History | 0 | - | 4.83 | 103,230 |
| Famous Billionaires | 0 | - | 4.13 | 64,931 |
| Former Countries by Territory Map | 0 | - | 4.97 | 85,648 |
| Empires by Maps | 0 | - | 4.98 | 94,226 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 46,343 |
| 2019 Year in Review | 0 | - | 4.43 | 32,623 |
| Birthstones Quiz | 0 | - | 4.41 | 77,809 |
| Sports Scandals Quiz | 0 | - | 3.93 | 33,168 |
| Celebrity Mugshots Quiz #2 | 0 | - | 3.86 | 109,539 |
| Famous Married Couples #1 | 0 | - | 3.90 | 66,185 |
| Famous Married Couples #2 | 0 | - | 3.67 | 48,157 |
| Superstitions | 0 | - | 4.35 | 75,425 |
| Countries by Alcohol Consumption | 0 | - | 4.44 | 193,553 |
| Top 10 Countries in Beer Production per Capita | 0 | - | 4.67 | 58,965 |
| First Names as Last Names Quiz #1 | 0 | - | 4.05 | 56,527 |
| Metals of Antiquity | 0 | - | 4.94 | 85,373 |
| Animals in World History | 0 | - | 4.82 | 40,133 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 39,750 |
| History: What Came First? #1 | 0 | - | 4.82 | 90,998 |
| Political Figures by Last Name #1 | 0 | - | 4.57 | 60,194 |
| Mythical Creatures Quiz #1 | 0 | - | 4.91 | 655,455 |
| 1960s Decade Quiz #2 | 0 | - | 4.44 | 41,576 |
| 2012 Year in Review | 0 | - | 4.03 | 45,211 |
| 2011 Year in Review | 0 | - | 4.16 | 41,129 |
| 2013 Year in Review | 0 | - | 4.32 | 39,605 |
| Years in History #1 - Multiple Choice | 0 | - | 4.84 | 62,847 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 194,645 |
| Name the Constellations Quiz | 0 | - | 4.57 | 41,239 |
| Batfacts: The Batman Quiz | 0 | - | 4.48 | 53,011 |
| U.S. Synonymous Trademarks | 0 | - | 4.09 | 65,525 |
| Brand Logos Quiz #2 | 0 | - | 4.76 | 1,495,062 |
| Brand Logos Quiz #5 | 0 | - | 4.42 | 930,382 |
| Brand Logos Quiz #4 | 0 | - | 4.44 | 887,563 |
| The Wonderful World of Elon Musk | 0 | - | 3.04 | 10,479 |
| Three Name Celebs Quiz | 0 | - | 4.05 | 33,271 |
| Fruit and Vegetable Emojis | 0 | - | 4.40 | 64,567 |
| Cradles of Civilization | 0 | - | 4.41 | 32,243 |
| Materials From History #1 | 0 | - | 4.54 | 44,870 |
| Biggest Nations and Empires Ever | 0 | - | 4.55 | 133,586 |
| Famous Explorers | 0 | - | 4.71 | 32,654 |
| Answers by Time Period | 0 | - | 4.49 | 42,617 |
| Nicknames in U.S. History | 0 | - | 4.21 | 30,156 |
| Territorial Accessions | 0 | - | 4.43 | 32,215 |
| Things that are Orange by Picture | 0 | - | 4.18 | 24,431 |
| Things that are Green by Picture | 0 | - | 4.12 | 27,513 |
| Brand Logos Quiz #6 | 0 | - | 4.29 | 661,011 |
| Brand Logos Quiz #3 | 0 | - | 4.33 | 1,087,023 |
| Brand Logos Quiz #8 | 0 | - | 4.33 | 446,928 |
| Brand Logos Quiz #7 | 0 | - | 4.39 | 521,409 |
| Random Brand Logos | 0 | - | 4.47 | 354,204 |
| Drinks by Country | 0 | - | 4.29 | 56,740 |
| First Names as Last Names Quiz #2 | 0 | - | 4.10 | 28,996 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 67,955 |
| Random Capital to Country | 0 | - | 4.99 | 2,359,559 |
| Random Country to Capital | 0 | - | 4.98 | 801,786 |
| Influential Women in History | 0 | - | 4.47 | 30,454 |
| Former Flags | 0 | - | 4.98 | 81,429 |
| Historical Events - AD or BC? | 0 | - | 4.75 | 52,047 |
| Materials From History #2 | 0 | - | 4.58 | 24,866 |
| 1950s Decade Quiz | 0 | - | 4.37 | 46,533 |
| 1960s Decade Quiz #1 | 0 | - | 4.38 | 47,304 |
| 20th Century Dates Quiz | 0 | - | 4.53 | 37,908 |
| Events in History #2 | 0 | - | 4.47 | 66,865 |
| Events in History #4 | 0 | - | 4.43 | 40,969 |
| Name a Valid Year in History | 0 | - | 4.92 | 52,983 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.18 | 46,512 |
| Assassinations in History Quiz | 0 | - | 4.17 | 63,089 |
| Famous Seconds Quiz | 0 | - | 4.21 | 44,575 |
| Ages and Eras Quiz | 0 | - | 4.36 | 64,467 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.21 | 38,323 |
| Titled People Quiz #1 | 0 | - | 4.14 | 43,857 |
| Titled People Quiz #3 | 0 | - | 4.33 | 41,315 |
| Job Titles Quiz #1 | 0 | - | 4.23 | 73,524 |
| Historical Blunders | 0 | - | 4.32 | 86,707 |
| This Day in History - April | 0 | - | 4.42 | 43,312 |
| This Day in History - July | 0 | - | 4.48 | 35,059 |
| This Day in History - August | 0 | - | 4.41 | 41,752 |
| This Day in History - September | 0 | - | 4.54 | 54,840 |
| This Day in History - October | 0 | - | 4.49 | 36,285 |
| This Day in History - January | 0 | - | 4.53 | 44,400 |
| This Day in History - February | 0 | - | 4.41 | 38,367 |
| This Day in History - March | 0 | - | 4.44 | 41,910 |
| The 7 Wonders of the Ancient World | 0 | - | 4.79 | 65,613 |
| Ancient Civilizations | 0 | - | 4.55 | 34,606 |
| 2015 Year in Review | 0 | - | 4.04 | 25,026 |
| 2010 Year in Review | 0 | - | 4.00 | 48,467 |
| 2014 Year in Review | 0 | - | 4.40 | 30,628 |
| 2016 Year in Review | 0 | - | 3.90 | 32,291 |
| Quiz on the Year 1997 | 0 | - | 4.33 | 18,652 |
| Quiz on the Year 1998 | 0 | - | 4.29 | 15,051 |
| 17th Century A-Z | 0 | - | 4.61 | 24,056 |
| The Places They Went #1 | 0 | - | 4.77 | 32,375 |
| Famous Inventors | 0 | - | 4.44 | 42,428 |
| British History Quiz for Dummies | 0 | - | 4.54 | 61,602 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.14 | 941,614 |
| Soft Drink Brand Logos | 0 | - | 4.25 | 157,108 |
| Superhero Alter Egos | 0 | - | 4.26 | 145,631 |
| Sidekicks Quiz | 0 | - | 4.21 | 104,284 |
| Highest Grossing Superhero Movies | 0 | - | 4.37 | 155,068 |
| Superhero Decoder | 0 | - | 4.37 | 50,176 |
| Batman Actors Quiz | 0 | - | 4.25 | 45,072 |
| Marvel Superheroes | 0 | - | 4.35 | 270,084 |
| Marvel Comics Movie Franchises | 0 | - | 4.19 | 89,722 |
| Avengers Team Members | 0 | - | 4.05 | 70,630 |
| Marvel Cinematic Universe - Actor to Character | 0 | - | 4.11 | 100,118 |
| X-Men Mutants | 0 | - | 4.06 | 42,592 |
| The Spiderman Quiz | 0 | - | 4.31 | 62,673 |
| American Corporate Slogans Quiz #1 | 0 | - | 4.04 | 63,513 |
| American Corporate Slogans Quiz #2 | 0 | - | 4.02 | 58,397 |
| Car Brands Quiz #1 | 0 | - | 4.12 | 169,905 |
| Brand-Name Animals Quiz | 0 | - | 4.22 | 71,269 |
| Most Valuable Brands Quiz | 0 | - | 4.31 | 125,749 |
| Brand Name Vocabulary | 0 | - | 4.16 | 36,824 |
| American TV Hosts Quiz | 0 | - | 4.16 | 15,081 |
| The Michael Jackson Quiz | 0 | - | 4.24 | 26,784 |
| Dogs in the Answer | 0 | - | 4.15 | 62,936 |
| Fads of the 1970s | 0 | - | 4.19 | 27,545 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,183,539 |
| Countries With One Word And Two O's | 0 | - | 4.90 | 34,445 |
| Capital Cities Chain | 0 | - | 4.86 | 71,389 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 78,601 |
| Body Parts in History and Culture | 0 | - | 4.48 | 32,784 |
| History Analogies #1 | 0 | - | 4.47 | 75,960 |
| History Analogies #2 | 0 | - | 4.51 | 64,422 |
| Current Events by Year, 1990–2009 | 0 | - | 4.76 | 144,231 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 61,527 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 49,527 |
| History Analogies #3 | 0 | - | 4.54 | 66,604 |
| People Born on Islands | 0 | - | 4.43 | 40,084 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.71 | 53,826 |
| Which Came First? | 0 | - | 4.35 | 69,126 |
| Years in History by Picture | 0 | - | 4.43 | 29,990 |
| States of the German Confederation in 1848 | 0 | - | 4.83 | 26,489 |
| Valid Answer - World History #1 | 0 | - | 4.59 | 42,632 |
| History True or False #3 | 0 | - | 4.53 | 36,641 |
| Political Figures by Last Name #2 | 0 | - | 4.08 | 14,713 |
| First Names of Recent World Leaders | 0 | - | 4.28 | 22,843 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.19 | 40,677 |
| A to Z: Legendary Creatures | 0 | - | 4.31 | 48,265 |
| Normandy D-Day Beaches | 0 | - | 4.81 | 36,568 |
| Territory Changes in World War I | 0 | - | 4.87 | 40,206 |
| Events in History #3 | 0 | - | 4.35 | 67,648 |
| Events in History #1 | 0 | - | 4.32 | 149,576 |
| Events in Ancient History | 0 | - | 4.49 | 31,996 |
| People Who Died Young #1 | 0 | - | 4.24 | 61,735 |
| Deaths by Date and Cause #1 | 0 | - | 4.39 | 77,591 |
| Deaths by Date and Cause #2 | 0 | - | 4.04 | 50,152 |
| Famous Firsts #1 | 0 | - | 4.42 | 65,745 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 66,178 |
| Invasions | 0 | - | 4.71 | 89,309 |
| First Names of Historical Figures #1 | 0 | - | 4.41 | 216,232 |
| Political Quotes Quiz | 0 | - | 4.08 | 18,977 |
| This Day in History - May | 0 | - | 4.30 | 46,868 |
| This Day in History - June | 0 | - | 4.34 | 32,589 |
| This Day in History - November | 0 | - | 4.23 | 32,569 |
| This Day in History - December | 0 | - | 4.29 | 39,085 |
| The 19th Century | 0 | - | 4.47 | 53,564 |
| The 18th Century | 0 | - | 4.49 | 42,238 |
| The 16th Century | 0 | - | 4.71 | 49,330 |
| 19th Century A-Z | 0 | - | 4.82 | 34,293 |
| The 21st Century | 0 | - | 4.50 | 92,381 |
| Military History Vocabulary | 0 | - | 4.92 | 60,057 |
| History by Picture - N | 0 | - | 4.41 | 36,429 |
| History Multiple Choice #1 | 0 | - | 4.43 | 75,845 |
| History Multiple Choice #2 | 0 | - | 4.42 | 46,802 |
| History Multiple Choice #4 | 0 | - | 4.41 | 47,148 |
| History Multiple Choice #3 | 0 | - | 4.45 | 45,772 |
| 30 Historical People You Probably Don't Know | 0 | - | 4.40 | 55,714 |
| The 2nd Millennium BC | 0 | - | 4.52 | 11,750 |
| Movies with Colors in the Title #2 | 0 | - | 3.49 | 52,791 |
| Movies with Colors in the Title #1 | 0 | - | 3.83 | 34,825 |
| Things that are Red by Picture | 0 | - | 3.72 | 13,117 |
| Things that are Yellow by Picture | 0 | - | 3.90 | 10,851 |
| Things that are Blue by Picture | 0 | - | 3.64 | 12,175 |
| Things that are White by Picture | 0 | - | 3.79 | 11,271 |
| Things that are Black by Picture | 0 | - | 3.43 | 12,285 |
| Top 50 Comic Book Heroes | 0 | - | 3.90 | 73,075 |
| Supervillain Alter Egos Quiz | 0 | - | 4.04 | 7,673 |
| Guardians of the Galaxy | 0 | - | 4.11 | 8,961 |
| Justice League Team - Movie Edition | 0 | - | 4.23 | 10,105 |
| MCU Characters by Screen Time | 0 | - | 4.20 | 93,245 |
| Avengers Infinity War Deaths | 0 | - | 4.24 | 40,799 |
| Superman Facts | 0 | - | 4.19 | 19,857 |
| Brands that are "The" Something | 0 | - | 3.53 | 33,338 |
| Car Brands Quiz #2 | 0 | - | 4.00 | 49,780 |
| Clothing Brand Logos | 0 | - | 4.24 | 188,017 |
| Famous Name Changes Quiz | 0 | - | 3.83 | 30,433 |
