| Metals of Antiquity | 0 | - | 4.94 | 92,872 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,070 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,990 |
| "Second Best" History Edition | 0 | - | 4.94 | 61,706 |
| Nicknames in World History | 0 | - | 4.73 | 37,319 |
| Quotes from Historical Figures #1 | 0 | - | 4.50 | 87,103 |
| Historical Middle Names | 0 | - | 4.16 | 35,369 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,218 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 228,567 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,468 |
| Empires by Maps | 0 | - | 4.98 | 118,347 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,192 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,068 |
| First Names of Explorers Quiz | 0 | - | 4.43 | 18,247 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,123 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,137 |
| Mythical Lands | 0 | - | 4.26 | 85,148 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,307 |
| Historical Middle Names - U.S. | 0 | - | 3.83 | 60,781 |
| Famous Mottos | 0 | - | 3.46 | 48,493 |
| Saint in the Answers | 0 | - | 4.10 | 44,155 |
| First Name + Initial Quiz | 0 | - | 4.03 | 52,720 |
| Historical Figures Known by a Single Name #1 | 0 | - | 4.31 | 84,473 |
| The Diseases They Had | 0 | - | 4.15 | 13,882 |
| Quotes from Historical Figures #2 | 0 | - | 4.36 | 42,503 |
| Ben Franklin Quotes | 0 | - | 4.45 | 25,743 |
| Famous Speeches from History | 0 | - | 4.16 | 33,522 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,638 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,978 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,605 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,929 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,966 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,317 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,315 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,145 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,796 |
| Influential Women in History | 0 | - | 4.42 | 34,926 |
| Cradles of Civilization | 0 | - | 4.46 | 38,988 |
| Popular Royal Names | 0 | - | 4.27 | 124,455 |
| Materials From History #1 | 0 | - | 4.56 | 50,547 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,030 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,192 |
| First Names of Painters | 0 | - | 4.43 | 59,590 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,117 |
| Famous Explorers | 0 | - | 4.58 | 35,926 |
| Famous Empires by Description | 0 | - | 4.70 | 117,504 |
| Answers by Time Period | 0 | - | 4.63 | 55,252 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,586,141 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,314 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,427 |
| Nicknames in U.S. History | 0 | - | 4.25 | 31,574 |
| Historical Misquotes | 0 | - | 4.39 | 26,620 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.95 | 40,675 |
| Random Symbol to Element | 0 | - | 4.88 | 92,187 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,532 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,087,315 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,044 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,016 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,175 |
| 7 Deadly Sins | 0 | - | 4.88 | 394,664 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,385 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,973 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,185 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,463 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,649 |
| Countries with Four Letters | 0 | - | 4.99 | 418,358 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,385 |
| Random Country to Capital | 0 | - | 4.98 | 911,243 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,520 |
| Name a Valid World City | 0 | - | 4.83 | 70,079 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,759 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,128 |
| Former Flags | 0 | - | 4.97 | 106,625 |
| Years in History by Picture | 0 | - | 4.44 | 35,081 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,167 |
| Materials From History #2 | 0 | - | 4.59 | 30,903 |
| Cold War Decoder | 0 | - | 4.83 | 51,902 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,310 |
| Events in History #2 | 0 | - | 4.49 | 71,405 |
| Events in History #4 | 0 | - | 4.44 | 44,084 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,351 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,797 |
| Assassinations in History | 0 | - | 4.20 | 65,936 |
| Famous Seconds | 0 | - | 4.22 | 46,378 |
| Ages and Eras Quiz | 0 | - | 4.38 | 67,435 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,382 |
| Titled People Quiz #1 | 0 | - | 4.10 | 45,599 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,022 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,812 |
| Female Historical Figures | 0 | - | 4.31 | 33,084 |
| Historical Blunders | 0 | - | 4.33 | 91,657 |
| Territorial Accessions | 0 | - | 4.38 | 34,621 |
| People Known as "The Great" | 0 | - | 4.46 | 24,504 |
| This Day in History - July | 0 | - | 4.49 | 36,367 |
| This Day in History - August | 0 | - | 4.42 | 43,241 |
| This Day in History - September | 0 | - | 4.55 | 57,248 |
| This Day in History - October | 0 | - | 4.49 | 37,548 |
| This Day in History - January | 0 | - | 4.53 | 46,566 |
| This Day in History - March | 0 | - | 4.45 | 43,537 |
| Ancient Civilizations | 0 | - | 4.63 | 37,737 |
| The Places They Went #1 | 0 | - | 4.74 | 33,442 |
| Famous Inventors | 0 | - | 4.43 | 43,447 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,446 |
| European History for Dummies | 0 | - | 4.82 | 89,289 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,010,702 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,090,364 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,219 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,602 |
| Countries with Glaciers | 0 | - | 4.97 | 104,631 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,110 |
| Islands by Country #1 | 0 | - | 4.87 | 174,446 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,881 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,252 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,318 |
| Crayola Crayon Colors 64 Pack | 0 | - | 4.99 | 62,008 |
| Countries by Emojis | 0 | - | 4.99 | 236,031 |
| Countries with Shortest Maximum Distances to the Ocean | 0 | - | 4.13 | 30,864 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,250 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,377 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,077 |
| Country Chain | 0 | - | 4.96 | 215,652 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,687 |
| Capital Cities Chain | 0 | - | 4.84 | 81,878 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,954 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,851 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,716 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,258 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,284 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,443 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,703 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,322 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,396 |
| Name a Valid Country #8 | 0 | - | 4.85 | 95,940 |
| Random Name a Valid Bordering Country | 0 | - | 4.99 | 74,178 |
| Name a Valid Country #10 | 0 | - | 4.93 | 41,373 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,232 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,688 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.75 | 38,133 |
| History Analogies #1 | 0 | - | 4.53 | 89,765 |
| History Analogies #2 | 0 | - | 4.49 | 76,984 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,102 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 64,939 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 51,919 |
| History Analogies #3 | 0 | - | 4.61 | 80,419 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,124 |
| Which Came First? | 0 | - | 4.37 | 74,385 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,508 |
| Random History by Country | 0 | - | 4.53 | 34,649 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,527 |
| Animals in World History | 0 | - | 4.74 | 44,203 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,344 |
| History True or False #3 | 0 | - | 4.43 | 55,899 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.18 | 47,326 |
| A to Z: Legendary Creatures | 0 | - | 4.26 | 52,727 |
| WWII First Names | 0 | - | 4.44 | 41,551 |
| Cold War Trivia #1 | 0 | - | 4.41 | 56,926 |
| Events in History #3 | 0 | - | 4.40 | 71,430 |
| Events in History #1 | 0 | - | 4.34 | 157,245 |
| Events in Ancient History | 0 | - | 4.50 | 35,692 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,529 |
| Deaths by Date and Cause #1 | 0 | - | 4.37 | 94,877 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 67,462 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,523 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,891 |
| Political Quotes | 0 | - | 4.17 | 19,800 |
| This Day in History - April | 0 | - | 4.40 | 44,385 |
| This Day in History - May | 0 | - | 4.33 | 48,242 |
| This Day in History - June | 0 | - | 4.36 | 33,429 |
| This Day in History - November | 0 | - | 4.24 | 33,529 |
| This Day in History - December | 0 | - | 4.32 | 40,447 |
| This Day in History - February | 0 | - | 4.38 | 39,695 |
| The 19th Century | 0 | - | 4.53 | 67,868 |
| The 18th Century | 0 | - | 4.52 | 53,110 |
| The 16th Century | 0 | - | 4.77 | 58,730 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,533 |
| The 21st Century | 0 | - | 4.48 | 105,264 |
| Military History Vocabulary | 0 | - | 4.91 | 66,621 |
| History Multiple Choice #1 | 0 | - | 4.46 | 81,497 |
| Years in History #2 - Multiple Choice | 0 | - | 4.43 | 41,398 |
| History Multiple Choice #2 | 0 | - | 4.43 | 49,787 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,529 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,256 |
| Three Real and One Fake - World History | 0 | - | 4.44 | 38,179 |
| Dark Ages History | 0 | - | 4.42 | 32,671 |
| 30 Historical People You Probably Don't Know | 0 | - | 4.36 | 60,792 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,408 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,618 |
| The Sun Quiz | 0 | - | 4.93 | 34,083 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,077 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,455 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,616 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,606 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,259 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,575 |
| The Eleven Colors | 0 | - | 4.73 | 233,235 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 332,435 |
| MLS Soccer Teams | 0 | - | 4.23 | 83,943 |
| UK General Knowledge Multiple Choice #3 | 0 | - | 4.53 | 18,026 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,387 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,422 |
