| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 705,794 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,393 |
| A to Z: Legendary Creatures | 0 | - | 4.26 | 52,887 |
| Nicknames in World History | 0 | - | 4.74 | 37,603 |
| Quotes from Historical Figures #1 | 0 | - | 4.50 | 87,314 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,142 |
| Empires by Maps | 0 | - | 4.98 | 119,314 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,457 |
| Historical Middle Names | 0 | - | 4.16 | 35,592 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,404 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 228,979 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,232 |
| First Names of Explorers Quiz | 0 | - | 4.43 | 18,328 |
| Mythical Creatures #2 | 0 | - | 4.05 | 111,380 |
| Saint in the Answers | 0 | - | 4.10 | 44,219 |
| First Name + Initial Quiz | 0 | - | 4.03 | 52,802 |
| Nicknames in U.S. History | 0 | - | 4.25 | 31,665 |
| Historical Figures Known by a Single Name #1 | 0 | - | 4.31 | 84,818 |
| Quotes from Historical Figures #2 | 0 | - | 4.36 | 42,619 |
| Ben Franklin Quotes | 0 | - | 4.45 | 25,764 |
| Famous Speeches from History | 0 | - | 4.16 | 33,585 |
| Fictional Cities | 0 | - | 4.25 | 47,905 |
| Influential Women in History | 0 | - | 4.42 | 35,301 |
| Metals of Antiquity | 0 | - | 4.94 | 93,138 |
| Cradles of Civilization | 0 | - | 4.46 | 39,373 |
| Materials From History #1 | 0 | - | 4.56 | 51,335 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,426 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,382 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,797 |
| Historical Middle Names - U.S. | 0 | - | 3.83 | 60,945 |
| Famous Mottos | 0 | - | 3.46 | 48,562 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,532 |
| Famous Explorers | 0 | - | 4.58 | 36,052 |
| Famous Empires by Description | 0 | - | 4.73 | 118,166 |
| Answers by Time Period | 0 | - | 4.64 | 55,423 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,035 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,763 |
| Popular Royal Names | 0 | - | 4.27 | 124,721 |
| First Names of Painters | 0 | - | 4.43 | 59,732 |
| Historical Misquotes | 0 | - | 4.39 | 26,644 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 40,849 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,112 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,604,298 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,385 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,166 |
| Anagram Chain - Countries | 0 | - | 4.98 | 115,824 |
| Fictional Places in Songs | 0 | - | 4.18 | 29,689 |
| Random Symbol to Element | 0 | - | 4.88 | 92,526 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,747 |
| Name a Valid World City | 0 | - | 4.83 | 70,611 |
| Countries but all Vowels are Changed to O | 0 | - | 4.93 | 68,660 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,851 |
| Years in History by Picture | 0 | - | 4.44 | 35,312 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,422 |
| Materials From History #2 | 0 | - | 4.59 | 31,398 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,356 |
| Events in History #2 | 0 | - | 4.49 | 71,558 |
| Events in History #4 | 0 | - | 4.44 | 44,199 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,901 |
| Assassinations in History | 0 | - | 4.21 | 66,087 |
| Famous Seconds | 0 | - | 4.22 | 46,495 |
| Ages and Eras | 0 | - | 4.38 | 67,582 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,446 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,707 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,104 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,905 |
| Female Historical Figures | 0 | - | 4.27 | 33,180 |
| Historical Blunders | 0 | - | 4.34 | 91,811 |
| Territorial Accessions | 0 | - | 4.39 | 34,707 |
| People Known as "The Great" | 0 | - | 4.46 | 24,593 |
| This Day in History - July | 0 | - | 4.49 | 36,414 |
| This Day in History - August | 0 | - | 4.42 | 43,308 |
| This Day in History - September | 0 | - | 4.55 | 57,347 |
| This Day in History - October | 0 | - | 4.49 | 37,583 |
| This Day in History - January | 0 | - | 4.50 | 46,634 |
| This Day in History - March | 0 | - | 4.45 | 43,588 |
| Ancient Civilizations | 0 | - | 4.64 | 37,846 |
| The Places They Went #1 | 0 | - | 4.74 | 33,478 |
| Famous Inventors | 0 | - | 4.43 | 43,494 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,012,282 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,094,329 |
| 7 Deadly Sins | 0 | - | 4.88 | 397,697 |
| Disney Animated Characters | 0 | - | 4.88 | 600,286 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,085 |
| Countries with Four Letters | 0 | - | 4.99 | 420,340 |
| Random Capital to Country | 0 | - | 4.99 | 2,584,246 |
| Random Country to Capital | 0 | - | 4.98 | 914,978 |
| Former Flags | 0 | - | 4.97 | 107,174 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,743 |
| Cold War Decoder | 0 | - | 4.83 | 52,119 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,784 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,674 |
| European History for Dummies | 0 | - | 4.83 | 89,581 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 716,147 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,093,838 |
| Islands by Country #1 | 0 | - | 4.87 | 174,822 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,179 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,531 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,501 |
| Actors by Role #1 | 0 | - | 4.16 | 23,643 |
| Actors by Role #2 | 0 | - | 4.28 | 21,304 |
| Crayola Crayon Colors 64 Pack | 0 | - | 4.99 | 62,284 |
| Countries by Emojis | 0 | - | 4.99 | 237,800 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,003 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 170,316 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,447 |
| Country Chain | 0 | - | 4.96 | 216,414 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 215,013 |
| Capital Cities Chain | 0 | - | 4.84 | 82,255 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,386 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,661 |
| Name a Valid Country #3 | 0 | - | 4.99 | 261,686 |
| Name a Valid Country #1 | 0 | - | 4.99 | 287,008 |
| Name a Valid Country #2 | 0 | - | 4.98 | 249,031 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,023 |
| Name a Valid Country #5 | 0 | - | 4.99 | 204,761 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,286 |
| Name a Valid Country #7 | 0 | - | 4.91 | 128,238 |
| Name a Valid Country #8 | 0 | - | 4.85 | 97,594 |
| Random Name a Valid Bordering Country | 0 | - | 4.99 | 74,905 |
| Name a Valid Country #10 | 0 | - | 4.93 | 42,242 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,316 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,754 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.75 | 38,155 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,208 |
| History Analogies #1 | 0 | - | 4.53 | 89,856 |
| History Analogies #2 | 0 | - | 4.49 | 77,094 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,346 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 65,059 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 51,988 |
| History Analogies #3 | 0 | - | 4.61 | 80,539 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,294 |
| Which Came First? | 0 | - | 4.37 | 74,605 |
| Christopher Columbus Quiz | 0 | - | 4.21 | 8,276 |
| Random History by Country | 0 | - | 4.53 | 34,738 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,713 |
| Animals in World History | 0 | - | 4.74 | 44,348 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,467 |
| History True or False #3 | 0 | - | 4.43 | 56,566 |
| WWII First Names | 0 | - | 4.44 | 41,678 |
| Cold War Trivia #1 | 0 | - | 4.41 | 57,106 |
| Events in History #3 | 0 | - | 4.40 | 71,561 |
| Events in History #1 | 0 | - | 4.34 | 157,481 |
| Events in Ancient History | 0 | - | 4.50 | 35,842 |
| Born Here on This Date #1 | 0 | - | 3.92 | 35,326 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,606 |
| Titled People Quiz #2 | 0 | - | 4.38 | 26,698 |
| Deaths by Date and Cause #1 | 0 | - | 4.38 | 95,042 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 67,630 |
| Job Titles Quiz #2 | 0 | - | 3.62 | 37,291 |
| Famous Ships Quiz | 0 | - | 4.25 | 29,216 |
| Famous Short People | 0 | - | 4.37 | 17,246 |
| Name the Alliance | 0 | - | 4.29 | 29,362 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,817 |
| Coups d'Etat - Name the Country | 0 | - | 4.40 | 27,632 |
| Famous Documents | 0 | - | 4.05 | 21,798 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,172 |
| Legendary Deeds | 0 | - | 4.16 | 28,887 |
| Disasters in History | 0 | - | 4.40 | 25,637 |
| Executions in History | 0 | - | 4.29 | 16,941 |
| Political Quotes | 0 | - | 4.17 | 19,846 |
| This Day in History - April | 0 | - | 4.40 | 44,428 |
| This Day in History - May | 0 | - | 4.33 | 48,304 |
| This Day in History - June | 0 | - | 4.32 | 33,468 |
| This Day in History - November | 0 | - | 4.24 | 33,573 |
| This Day in History - December | 0 | - | 4.32 | 40,490 |
| This Day in History - February | 0 | - | 4.38 | 39,742 |
| The 19th Century | 0 | - | 4.53 | 67,974 |
| The 18th Century | 0 | - | 4.52 | 53,186 |
| The 16th Century | 0 | - | 4.77 | 58,797 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,594 |
| The 21st Century | 0 | - | 4.48 | 105,578 |
| Military History Vocabulary | 0 | - | 4.91 | 66,865 |
| History Multiple Choice #1 | 0 | - | 4.46 | 81,729 |
| Years in History #2 - Multiple Choice | 0 | - | 4.43 | 41,540 |
| History Multiple Choice #2 | 0 | - | 4.43 | 49,932 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,648 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,373 |
| Three Real and One Fake - World History | 0 | - | 4.44 | 38,287 |
| Dark Ages History | 0 | - | 4.42 | 32,713 |
| 30 Historical People You Probably Don't Know | 0 | - | 4.36 | 60,910 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,514 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,342 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,675 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,192 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,909 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,742 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,832 |
| Bogeymen Quiz | 0 | - | 3.98 | 39,813 |
| The Eleven Colors | 0 | - | 4.73 | 234,575 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 335,506 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,205 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,904 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,701 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 78,253 |
| The Only Country ... | 0 | - | 4.91 | 80,445 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,609 |
| The Sun Quiz | 0 | - | 4.93 | 34,339 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,728 |
| Random Countries by Borders | 0 | - | 4.99 | 81,946 |
