| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,026 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,544 |
| Nicknames in World History | 0 | - | 4.74 | 37,397 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 486,802 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 709,927 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 19,920 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,660 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,528 |
| "Second Best" History Edition | 0 | - | 4.93 | 61,997 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,732 |
| Empires by Maps | 0 | - | 4.98 | 118,704 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,299 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,129 |
| Kardashian Family Members by Picture | 0 | - | 2.22 | 34,362 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,021 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,651 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,979 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,016 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,343 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,353 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,170 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,818 |
| Metals of Antiquity | 0 | - | 4.94 | 92,975 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,233 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,279 |
| Political Figures by Last Name #1 | 0 | - | 4.55 | 67,496 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,690 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,703 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,429 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,987 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,208 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,482 |
| Small Countries with Large Economies | 0 | - | 4.63 | 89,408 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,494 |
| Influential Women in History | 0 | - | 4.42 | 35,151 |
| Cradles of Civilization | 0 | - | 4.46 | 39,208 |
| Former Flags | 0 | - | 4.97 | 106,830 |
| Materials From History #1 | 0 | - | 4.56 | 51,028 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,219 |
| Cold War Decoder | 0 | - | 4.83 | 51,979 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,490 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,303 |
| Famous Explorers | 0 | - | 4.58 | 35,993 |
| Famous Empires by Description | 0 | - | 4.73 | 117,994 |
| Answers by Time Period | 0 | - | 4.63 | 55,310 |
| Nicknames in U.S. History | 0 | - | 4.25 | 31,589 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,524 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.95 | 40,733 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 54,903 |
| European History for Dummies | 0 | - | 4.83 | 89,386 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,183 |
| American TV Hosts | 0 | - | 4.22 | 15,352 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,783 |
| Crayola Crayon Colors 64 Pack | 0 | - | 4.99 | 62,101 |
| Countries by Emojis | 0 | - | 4.99 | 236,903 |
| Geography of Spain | 0 | - | 4.59 | 21,981 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,109 |
| Topological Map of Africa Quiz | 0 | - | 4.80 | 21,174 |
| UK General Knowledge Multiple Choice #3 | 0 | - | 4.53 | 18,043 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,184 |
| Random Capital to Country | 0 | - | 4.99 | 2,579,470 |
| Random Country to Capital | 0 | - | 4.98 | 912,434 |
| Capital Cities Chain | 0 | - | 4.84 | 81,981 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,069 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.75 | 38,137 |
| Name a Valid Answer - British History | 0 | - | 4.57 | 15,081 |
| Years in History by Picture | 0 | - | 4.44 | 35,151 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,229 |
| Materials From History #2 | 0 | - | 4.59 | 31,203 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,587 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 24,869 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.18 | 47,863 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,142 |
| Territory Changes in World War I | 0 | - | 4.86 | 46,265 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,330 |
| Events in History #2 | 0 | - | 4.49 | 71,460 |
| Events in History #4 | 0 | - | 4.44 | 44,131 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,841 |
| Assassinations in History | 0 | - | 4.21 | 65,998 |
| Famous Seconds | 0 | - | 4.22 | 46,408 |
| Ages and Eras | 0 | - | 4.38 | 67,493 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,416 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,652 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,062 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,844 |
| Female Historical Figures | 0 | - | 4.27 | 33,123 |
| Historical Blunders | 0 | - | 4.33 | 91,732 |
| Territorial Accessions | 0 | - | 4.38 | 34,664 |
| People Known as "The Great" | 0 | - | 4.46 | 24,550 |
| Political Quotes | 0 | - | 4.17 | 19,812 |
| This Day in History - July | 0 | - | 4.49 | 36,376 |
| This Day in History - August | 0 | - | 4.42 | 43,263 |
| This Day in History - September | 0 | - | 4.55 | 57,279 |
| This Day in History - October | 0 | - | 4.49 | 37,557 |
| This Day in History - January | 0 | - | 4.53 | 46,587 |
| This Day in History - March | 0 | - | 4.45 | 43,551 |
| Ancient Civilizations | 0 | - | 4.63 | 37,784 |
| Military History Vocabulary | 0 | - | 4.91 | 66,703 |
| The Places They Went #1 | 0 | - | 4.74 | 33,454 |
| Famous Inventors | 0 | - | 4.43 | 43,466 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,011,248 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,725 |
| Simpsons Characters by Picture | 0 | - | 4.41 | 21,631 |
| TV Character to Actor #1 | 0 | - | 4.24 | 10,161 |
| American TV Catchphrases #1 | 0 | - | 3.91 | 63,947 |
| American TV Catchphrases #2 | 0 | - | 3.76 | 43,901 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,147 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,504 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,308 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,806 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,696 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,645 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,211 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 333,454 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,404,374 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 129,770 |
| Geography of Egypt | 0 | - | 4.60 | 21,427 |
| Topological Map of Mainland Europe | 0 | - | 4.39 | 28,596 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,570 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,152 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,368 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,466 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,418 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,380 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,437 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,393 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,904 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,728 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,659 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,785 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,610 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,360 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,824 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,183 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,660 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,183 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,142 |
| Name a Valid African Country | 0 | - | 4.98 | 153,056 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,380 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,709 |
| History General Knowledge #13 | 0 | - | 4.69 | 48,526 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,145 |
| History Analogies #1 | 0 | - | 4.53 | 89,799 |
| History Analogies #2 | 0 | - | 4.49 | 77,024 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,189 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 64,979 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 51,946 |
| History Analogies #3 | 0 | - | 4.61 | 80,458 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,189 |
| 4-Letter History Chain #1 | 0 | - | 4.41 | 84,762 |
| 5-Letter History Chain #3 | 0 | - | 4.47 | 66,144 |
| 6-Letter History Chain #2 | 0 | - | 4.53 | 57,283 |
| Which Came First? | 0 | - | 4.37 | 74,434 |
| 5-Letter History Chain #1 | 0 | - | 4.54 | 101,863 |
| Empires A-Z | 0 | - | 4.51 | 44,859 |
| Christopher Columbus Quiz | 0 | - | 4.21 | 8,270 |
| Random History by Country | 0 | - | 4.53 | 34,679 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,592 |
| World History Quiz for Dummies | 0 | - | 4.50 | 97,271 |
| Animals in World History | 0 | - | 4.74 | 44,249 |
| People - Real or Fictional? | 0 | - | 4.56 | 58,507 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,387 |
| History True or False #3 | 0 | - | 4.43 | 55,964 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,147 |
| Prime Ministers of the UK | 0 | - | 4.96 | 435,077 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,874 |
| A to Z: Legendary Creatures | 0 | - | 4.26 | 52,790 |
| The Trojan War | 0 | - | 4.83 | 39,468 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,712 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,497 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,401 |
| The 20th Century | 0 | - | 4.46 | 97,101 |
| Roman Provinces on a Map | 0 | - | 4.54 | 36,611 |
| WWII Geography | 0 | - | 4.81 | 119,430 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,605 |
| WWI... or WWII? | 0 | - | 4.85 | 140,806 |
| Cold War Trivia #1 | 0 | - | 4.41 | 56,995 |
| Events in History #3 | 0 | - | 4.40 | 71,475 |
| Events in History #1 | 0 | - | 4.34 | 157,330 |
| Events in Ancient History | 0 | - | 4.50 | 35,750 |
| Born Here on This Date #1 | 0 | - | 3.92 | 35,300 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,552 |
| Quotes from Historical Figures #1 | 0 | - | 4.50 | 87,149 |
| Titled People Quiz #2 | 0 | - | 4.38 | 26,665 |
| Deaths by Date and Cause #1 | 0 | - | 4.37 | 94,927 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 67,517 |
| Job Titles Quiz #2 | 0 | - | 3.62 | 37,263 |
| Famous Ships Quiz | 0 | - | 4.25 | 29,186 |
| Famous Short People | 0 | - | 4.32 | 16,318 |
| Name the Alliance | 0 | - | 4.29 | 29,208 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,605 |
| Coups d'Etat - Name the Country | 0 | - | 4.40 | 27,591 |
| Famous Documents | 0 | - | 4.05 | 21,773 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,963 |
| Legendary Deeds | 0 | - | 4.16 | 28,861 |
| Disasters in History | 0 | - | 4.40 | 25,611 |
| Executions in History | 0 | - | 4.29 | 16,924 |
| This Day in History - April | 0 | - | 4.40 | 44,396 |
| This Day in History - May | 0 | - | 4.33 | 48,262 |
| This Day in History - June | 0 | - | 4.36 | 33,438 |
