| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 486,527 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 709,641 |
| Political Figures by Last Name #1 | 0 | - | 4.55 | 67,450 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,159 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,402,713 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 129,678 |
| Celebrity Mugshots Quiz #1 | 0 | - | 4.09 | 258,174 |
| Celebrity Mugshots Quiz #3 | 0 | - | 4.05 | 144,548 |
| Nicknames in World History | 0 | - | 4.73 | 37,350 |
| "Second Best" History Edition | 0 | - | 4.93 | 61,853 |
| Countries that Produce the Most Wine | 0 | - | 4.86 | 190,961 |
| Actors Known by Three Names | 0 | - | 4.15 | 104,047 |
| Celebrity Mugshots Quiz #2 | 0 | - | 3.89 | 113,767 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,594 |
| Empires by Maps | 0 | - | 4.98 | 118,563 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 24,858 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,242 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,096 |
| Brand Logos Quiz #2 | 0 | - | 4.69 | 1,679,611 |
| Brand Logos Quiz #4 | 0 | - | 4.45 | 1,006,075 |
| Countries by Alcohol Consumption | 0 | - | 4.43 | 204,633 |
| Top 10 Countries in Beer Production per Capita | 0 | - | 4.68 | 64,504 |
| NFL Football Last Names | 0 | - | 4.43 | 170,548 |
| Metals of Antiquity | 0 | - | 4.94 | 92,926 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,182 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,213 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,429 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,634 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,671 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 223,642 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 138,970 |
| Name the Constellations | 0 | - | 4.58 | 44,686 |
| World City Nicknames Quiz | 0 | - | 4.19 | 35,461 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,271 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,460 |
| Influential Women in History | 0 | - | 4.42 | 35,034 |
| Cradles of Civilization | 0 | - | 4.46 | 39,099 |
| Materials From History #1 | 0 | - | 4.56 | 50,624 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,123 |
| Political Figures by Last Name #2 | 0 | - | 3.88 | 16,601 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,212 |
| Famous Explorers | 0 | - | 4.58 | 35,962 |
| Famous Empires by Description | 0 | - | 4.70 | 117,715 |
| Answers by Time Period | 0 | - | 4.63 | 55,276 |
| Nicknames in U.S. History | 0 | - | 4.25 | 31,577 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.95 | 40,699 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 54,874 |
| 2010s Celebrities by Picture #1 | 0 | - | 4.32 | 171,252 |
| 2010s Celebrities by Picture #2 | 0 | - | 4.15 | 147,806 |
| Countries as U.S. First Names | 0 | - | 4.31 | 77,354 |
| Highest Grossing Superhero Movies | 0 | - | 4.37 | 165,902 |
| MCU Actors by Picture | 0 | - | 4.44 | 83,104 |
| Marketing Slogans for Animals | 0 | - | 4.48 | 29,126 |
| American Corporate Slogans #1 | 0 | - | 4.06 | 65,180 |
| American Corporate Slogans #2 | 0 | - | 4.06 | 59,604 |
| Brand Logos Quiz #5 | 0 | - | 4.38 | 1,058,167 |
| Brand Logos Quiz #6 | 0 | - | 4.32 | 779,072 |
| Brand Logos Quiz #3 | 0 | - | 4.32 | 1,218,551 |
| Brand Logos Quiz #8 | 0 | - | 4.36 | 527,325 |
| Brand Logos Quiz #7 | 0 | - | 4.37 | 605,563 |
| Random Brand Logos | 0 | - | 4.45 | 399,562 |
| Drinks by Country | 0 | - | 4.30 | 59,185 |
| Top 15 Countries in Wine Production per Capita | 0 | - | 4.74 | 64,481 |
| Beers by Country | 0 | - | 4.45 | 96,368 |
| 1960s Catchphrases | 0 | - | 4.16 | 104,201 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,630 |
| Biblical Names Still Popular Today | 0 | - | 4.27 | 51,118 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,451 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,519 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,475 |
| NBA Players by Last Name | 0 | - | 4.30 | 83,916 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.75 | 38,134 |
| Name a Valid Answer - British History | 0 | - | 4.57 | 15,074 |
| Former Flags | 0 | - | 4.97 | 106,728 |
| Years in History by Picture | 0 | - | 4.44 | 35,122 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,202 |
| Materials From History #2 | 0 | - | 4.59 | 30,920 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,537 |
| Cold War Decoder | 0 | - | 4.83 | 51,940 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,322 |
| Events in History #2 | 0 | - | 4.49 | 71,443 |
| Events in History #4 | 0 | - | 4.44 | 44,109 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,427 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,822 |
| Assassinations in History | 0 | - | 4.21 | 65,965 |
| Famous Seconds | 0 | - | 4.22 | 46,397 |
| Ages and Eras | 0 | - | 4.38 | 67,466 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,402 |
| Titled People Quiz #1 | 0 | - | 4.10 | 45,617 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,040 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,825 |
| Female Historical Figures | 0 | - | 4.31 | 33,103 |
| Historical Blunders | 0 | - | 4.33 | 91,692 |
| Territorial Accessions | 0 | - | 4.38 | 34,641 |
| People Known as "The Great" | 0 | - | 4.46 | 24,526 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,079 |
| This Day in History - July | 0 | - | 4.49 | 36,372 |
| This Day in History - August | 0 | - | 4.42 | 43,255 |
| This Day in History - September | 0 | - | 4.55 | 57,265 |
| This Day in History - October | 0 | - | 4.49 | 37,554 |
| This Day in History - January | 0 | - | 4.53 | 46,576 |
| This Day in History - March | 0 | - | 4.45 | 43,546 |
| Ancient Civilizations | 0 | - | 4.63 | 37,767 |
| Military History Vocabulary | 0 | - | 4.91 | 66,662 |
| The Places They Went #1 | 0 | - | 4.74 | 33,447 |
| Famous Inventors | 0 | - | 4.43 | 43,461 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,486 |
| European History for Dummies | 0 | - | 4.82 | 89,330 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,328 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,127 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,011,007 |
| MCU Characters by Screen Time | 0 | - | 4.22 | 107,488 |
| Soft Drink Brand Logos | 0 | - | 4.24 | 173,907 |
| Crayola Crayon Colors 64 Pack | 0 | - | 4.99 | 62,059 |
| Superhero Nicknames | 0 | - | 4.21 | 61,231 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 332,926 |
| Brand-Name Animals | 0 | - | 4.16 | 74,289 |
| Clothing Brand Logos | 0 | - | 4.24 | 222,057 |
| Countries by Emojis | 0 | - | 4.99 | 236,239 |
| Unusual NBA Names | 0 | - | 3.80 | 191,089 |
| Unusual NFL First Names | 0 | - | 3.60 | 47,584 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,113 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,807 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,477 |
| Country Nicknames | 0 | - | 3.95 | 97,772 |
| Rappers Real Names | 0 | - | 4.08 | 68,955 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,697 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,643 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,022 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,392 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,704 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,114 |
| History Analogies #1 | 0 | - | 4.53 | 89,785 |
| History Analogies #2 | 0 | - | 4.49 | 77,006 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,144 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 64,962 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 51,931 |
| History Analogies #3 | 0 | - | 4.61 | 80,438 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,157 |
| Which Came First? | 0 | - | 4.37 | 74,408 |
| Random History by Country | 0 | - | 4.53 | 34,665 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,551 |
| Animals in World History | 0 | - | 4.74 | 44,222 |
| People - Real or Fictional? | 0 | - | 4.56 | 58,473 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,363 |
| History True or False #3 | 0 | - | 4.43 | 55,936 |
| A to Z: Legendary Creatures | 0 | - | 4.26 | 52,757 |
| WWII Geography | 0 | - | 4.81 | 119,372 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,117 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,553 |
| Territory Changes in World War I | 0 | - | 4.86 | 46,231 |
| Cold War Trivia #1 | 0 | - | 4.41 | 56,965 |
| Events in History #3 | 0 | - | 4.40 | 71,460 |
| Events in History #1 | 0 | - | 4.34 | 157,292 |
| Events in Ancient History | 0 | - | 4.50 | 35,723 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,541 |
| Deaths by Date and Cause #1 | 0 | - | 4.37 | 94,899 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 67,490 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,569 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,921 |
| This Day in History - April | 0 | - | 4.40 | 44,393 |
| This Day in History - May | 0 | - | 4.33 | 48,254 |
| This Day in History - June | 0 | - | 4.36 | 33,434 |
| This Day in History - November | 0 | - | 4.24 | 33,534 |
| This Day in History - December | 0 | - | 4.32 | 40,453 |
| This Day in History - February | 0 | - | 4.38 | 39,701 |
| The 19th Century | 0 | - | 4.53 | 67,883 |
| The 18th Century | 0 | - | 4.52 | 53,121 |
| The 16th Century | 0 | - | 4.77 | 58,737 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,539 |
| The 21st Century | 0 | - | 4.48 | 105,307 |
| History Multiple Choice #1 | 0 | - | 4.46 | 81,525 |
| Years in History #2 - Multiple Choice | 0 | - | 4.43 | 41,417 |
| History Multiple Choice #2 | 0 | - | 4.43 | 49,811 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,547 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,268 |
| Three Real and One Fake - World History | 0 | - | 4.44 | 38,194 |
| Name the English Monarchs | 0 | - | 4.92 | 498,060 |
| Dark Ages History | 0 | - | 4.42 | 32,678 |
| 30 Historical People You Probably Don't Know | 0 | - | 4.36 | 60,819 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,558 |
| American Corporate Slogans #3 | 0 | - | 4.02 | 25,702 |
| 100 Most Popular Pub Names in the UK | 0 | - | 4.26 | 19,531 |
| Celebrity Catchphrases | 0 | - | 3.89 | 22,749 |
| Kardashian Family Members by Picture | 0 | - | 2.22 | 34,354 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,202 |
| #1 Hits of the 1980s | 0 | - | 4.86 | 147,558 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,522 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,543 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,124 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,314 |
| Random Point on Land to European Country | 0 | - | 4.93 | 76,115 |
| 20 Random Country Flags | 0 | - | 4.99 | 604,582 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,921 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,994 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,903 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,075 |
| Name a Valid African Country | 0 | - | 4.98 | 152,966 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,289 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,124 |
