| Metals of Antiquity | 0 | - | 4.94 | 93,105 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,196 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,182 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,334 |
| Nicknames in World History | 0 | - | 4.74 | 37,573 |
| Quotes from Historical Figures #1 | 0 | - | 4.50 | 87,289 |
| Historical Middle Names | 0 | - | 4.16 | 35,554 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,379 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 228,923 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,083 |
| Empires by Maps | 0 | - | 4.98 | 119,231 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,427 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,217 |
| First Names of Explorers Quiz | 0 | - | 4.43 | 18,316 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,399 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,709 |
| Mythical Lands | 0 | - | 4.26 | 85,242 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,337 |
| Historical Middle Names - U.S. | 0 | - | 3.83 | 60,930 |
| Famous Mottos | 0 | - | 3.46 | 48,557 |
| Saint in the Answers | 0 | - | 4.10 | 44,212 |
| First Name + Initial Quiz | 0 | - | 4.03 | 52,788 |
| Nicknames in U.S. History | 0 | - | 4.25 | 31,647 |
| Historical Figures Known by a Single Name #1 | 0 | - | 4.31 | 84,785 |
| The Diseases They Had | 0 | - | 4.15 | 13,956 |
| Quotes from Historical Figures #2 | 0 | - | 4.36 | 42,605 |
| Ben Franklin Quotes | 0 | - | 4.45 | 25,762 |
| Famous Speeches from History | 0 | - | 4.16 | 33,574 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,983 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,109 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,751 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,060 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,100 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,393 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,418 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,189 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,883 |
| Influential Women in History | 0 | - | 4.42 | 35,277 |
| Cradles of Civilization | 0 | - | 4.46 | 39,348 |
| Popular Royal Names | 0 | - | 4.27 | 124,691 |
| Materials From History #1 | 0 | - | 4.56 | 51,317 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,361 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 705,585 |
| First Names of Painters | 0 | - | 4.43 | 59,719 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,493 |
| Famous Explorers | 0 | - | 4.58 | 36,042 |
| Famous Empires by Description | 0 | - | 4.73 | 118,144 |
| Answers by Time Period | 0 | - | 4.64 | 55,405 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,602,270 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,738 |
| Historical Misquotes | 0 | - | 4.39 | 26,641 |
| Chinese Inventions | 0 | - | 4.30 | 33,750 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 40,831 |
| Random Symbol to Element | 0 | - | 4.88 | 92,483 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,598 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,093,719 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,241 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,050 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,762 |
| 7 Deadly Sins | 0 | - | 4.88 | 397,458 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,503 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,010 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,243 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,512 |
| Small Countries with Large Economies | 0 | - | 4.63 | 89,593 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,860 |
| Countries with Four Letters | 0 | - | 4.99 | 420,105 |
| Random Capital to Country | 0 | - | 4.99 | 2,583,541 |
| Random Country to Capital | 0 | - | 4.98 | 914,621 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,730 |
| Name a Valid World City | 0 | - | 4.83 | 70,507 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 68,581 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,756 |
| Former Flags | 0 | - | 4.97 | 107,113 |
| Years in History by Picture | 0 | - | 4.44 | 35,285 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,391 |
| Materials From History #2 | 0 | - | 4.59 | 31,386 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,725 |
| Cold War Decoder | 0 | - | 4.83 | 52,103 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,354 |
| Events in History #2 | 0 | - | 4.49 | 71,545 |
| Events in History #4 | 0 | - | 4.44 | 44,189 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,711 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,894 |
| Assassinations in History | 0 | - | 4.21 | 66,076 |
| Famous Seconds | 0 | - | 4.22 | 46,485 |
| Ages and Eras | 0 | - | 4.38 | 67,573 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,436 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,697 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,101 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,897 |
| Female Historical Figures | 0 | - | 4.27 | 33,172 |
| Historical Blunders | 0 | - | 4.34 | 91,800 |
| Territorial Accessions | 0 | - | 4.39 | 34,704 |
| People Known as "The Great" | 0 | - | 4.46 | 24,588 |
| This Day in History - July | 0 | - | 4.49 | 36,408 |
| This Day in History - August | 0 | - | 4.42 | 43,300 |
| This Day in History - September | 0 | - | 4.55 | 57,339 |
| This Day in History - October | 0 | - | 4.49 | 37,580 |
| This Day in History - January | 0 | - | 4.50 | 46,631 |
| This Day in History - March | 0 | - | 4.45 | 43,580 |
| Ancient Civilizations | 0 | - | 4.64 | 37,831 |
| The Places They Went #1 | 0 | - | 4.74 | 33,471 |
| Famous Inventors | 0 | - | 4.43 | 43,491 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,649 |
| European History for Dummies | 0 | - | 4.83 | 89,553 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,012,110 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,093,488 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,386 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,839 |
| Countries with Glaciers | 0 | - | 4.97 | 104,828 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 715,654 |
| Islands by Country #1 | 0 | - | 4.87 | 174,783 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,148 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,500 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,478 |
| Crayola Crayon Colors 64 Pack | 0 | - | 4.99 | 62,263 |
| Countries by Emojis | 0 | - | 4.99 | 237,681 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,876 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,981 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,405 |
| Country Chain | 0 | - | 4.96 | 216,360 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,885 |
| Capital Cities Chain | 0 | - | 4.84 | 82,203 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,302 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,394 |
| Name a Valid Country #3 | 0 | - | 4.99 | 261,427 |
| Name a Valid Country #1 | 0 | - | 4.99 | 286,558 |
| Name a Valid Country #2 | 0 | - | 4.98 | 248,696 |
| Name a Valid Country #4 | 0 | - | 4.97 | 253,737 |
| Name a Valid Country #5 | 0 | - | 4.99 | 204,032 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,080 |
| Name a Valid Country #7 | 0 | - | 4.91 | 128,028 |
| Name a Valid Country #8 | 0 | - | 4.85 | 97,420 |
| Random Name a Valid Bordering Country | 0 | - | 4.99 | 74,816 |
| Name a Valid Country #10 | 0 | - | 4.93 | 42,144 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,312 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,747 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.75 | 38,151 |
| History Analogies #1 | 0 | - | 4.53 | 89,844 |
| History Analogies #2 | 0 | - | 4.49 | 77,079 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,312 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 65,047 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 51,980 |
| History Analogies #3 | 0 | - | 4.61 | 80,526 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,282 |
| Which Came First? | 0 | - | 4.37 | 74,574 |
| Random History by Country | 0 | - | 4.53 | 34,727 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,693 |
| Russian Inventions | 0 | - | 4.39 | 12,914 |
| Animals in World History | 0 | - | 4.74 | 44,337 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,453 |
| History True or False #3 | 0 | - | 4.43 | 56,462 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.20 | 48,257 |
| A to Z: Legendary Creatures | 0 | - | 4.26 | 52,867 |
| WWII First Names | 0 | - | 4.44 | 41,670 |
| Cold War Trivia #1 | 0 | - | 4.41 | 57,093 |
| Events in History #3 | 0 | - | 4.40 | 71,547 |
| Events in History #1 | 0 | - | 4.34 | 157,462 |
| Events in Ancient History | 0 | - | 4.50 | 35,828 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,602 |
| Deaths by Date and Cause #1 | 0 | - | 4.38 | 95,029 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 67,609 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,783 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,138 |
| Political Quotes | 0 | - | 4.17 | 19,840 |
| This Day in History - April | 0 | - | 4.40 | 44,423 |
| This Day in History - May | 0 | - | 4.33 | 48,299 |
| This Day in History - June | 0 | - | 4.36 | 33,462 |
| This Day in History - November | 0 | - | 4.24 | 33,567 |
| This Day in History - December | 0 | - | 4.32 | 40,485 |
| This Day in History - February | 0 | - | 4.38 | 39,736 |
| The 19th Century | 0 | - | 4.53 | 67,964 |
| The 18th Century | 0 | - | 4.52 | 53,177 |
| The 16th Century | 0 | - | 4.77 | 58,790 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,589 |
| The 21st Century | 0 | - | 4.48 | 105,544 |
| Military History Vocabulary | 0 | - | 4.91 | 66,836 |
| French Inventions | 0 | - | 4.08 | 13,874 |
| History Multiple Choice #1 | 0 | - | 4.46 | 81,705 |
| Years in History #2 - Multiple Choice | 0 | - | 4.43 | 41,524 |
| History Multiple Choice #2 | 0 | - | 4.43 | 49,916 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,632 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,362 |
| Three Real and One Fake - World History | 0 | - | 4.44 | 38,273 |
| Dark Ages History | 0 | - | 4.42 | 32,706 |
| 30 Historical People You Probably Don't Know | 0 | - | 4.36 | 60,899 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,405 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,766 |
| The Sun Quiz | 0 | - | 4.93 | 34,316 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,306 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,642 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,136 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,876 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,602 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,802 |
| The Eleven Colors | 0 | - | 4.73 | 234,514 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 335,242 |
| MLS Soccer Teams | 0 | - | 4.23 | 84,227 |
| UK General Knowledge Multiple Choice #3 | 0 | - | 4.53 | 18,063 |
