| Metals of Antiquity | 0 | - | 4.94 | 92,909 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,101 |
| The Only Country ... | 0 | - | 4.91 | 79,883 |
| "Second Best" History Edition | 0 | - | 4.94 | 61,816 |
| Nicknames in World History | 0 | - | 4.73 | 37,347 |
| Quotes from Historical Figures #1 | 0 | - | 4.50 | 87,112 |
| Historical Middle Names | 0 | - | 4.16 | 35,385 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,240 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 228,598 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,549 |
| Empires by Maps | 0 | - | 4.98 | 118,506 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,230 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,089 |
| First Names of Explorers Quiz | 0 | - | 4.43 | 18,255 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,168 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,199 |
| Mythical Lands | 0 | - | 4.26 | 85,154 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,314 |
| Historical Middle Names - U.S. | 0 | - | 3.83 | 60,803 |
| Famous Mottos | 0 | - | 3.46 | 48,496 |
| Saint in the Answers | 0 | - | 4.10 | 44,163 |
| First Name + Initial Quiz | 0 | - | 4.03 | 52,729 |
| Historical Figures Known by a Single Name #1 | 0 | - | 4.31 | 84,504 |
| The Diseases They Had | 0 | - | 4.15 | 13,887 |
| Quotes from Historical Figures #2 | 0 | - | 4.36 | 42,511 |
| Ben Franklin Quotes | 0 | - | 4.45 | 25,745 |
| Famous Speeches from History | 0 | - | 4.16 | 33,525 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,659 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,085 |
| Cities that End in A by Clue | 0 | - | 4.55 | 52,761 |
| Cities that End in O by Clue | 0 | - | 4.56 | 60,964 |
| Cities that End in N by Clue | 0 | - | 4.55 | 53,918 |
| Cities that End in I by Clue | 0 | - | 4.62 | 57,056 |
| Cities that End in S by Clue | 0 | - | 4.57 | 44,784 |
| Influential Women in History | 0 | - | 4.42 | 35,007 |
| Cradles of Civilization | 0 | - | 4.46 | 39,065 |
| Popular Royal Names | 0 | - | 4.27 | 124,479 |
| Materials From History #1 | 0 | - | 4.56 | 50,607 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,100 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,354 |
| First Names of Painters | 0 | - | 4.43 | 59,599 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,188 |
| Famous Explorers | 0 | - | 4.58 | 35,949 |
| Famous Empires by Description | 0 | - | 4.70 | 117,548 |
| Answers by Time Period | 0 | - | 4.63 | 55,269 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,588,019 |
| Random Cities by Clue | 0 | - | 4.53 | 42,595 |
| MLB Baseball Team Names by Clue | 0 | - | 4.34 | 67,199 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,448 |
| Nicknames in U.S. History | 0 | - | 4.25 | 31,577 |
| Historical Misquotes | 0 | - | 4.39 | 26,623 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.95 | 40,692 |
| Random Symbol to Element | 0 | - | 4.88 | 92,216 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,538 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,088,004 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,171 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,120 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,236 |
| 7 Deadly Sins | 0 | - | 4.88 | 394,916 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,771 |
| Cities that End in R by Clue | 0 | - | 4.68 | 18,597 |
| Cities that End in M by Clue | 0 | - | 4.62 | 20,878 |
| U.S. Cities by Clue #1 | 0 | - | 4.27 | 47,965 |
| World Cities by Clue #1 | 0 | - | 4.30 | 73,935 |
| World Cities by Clue Quiz #3 | 0 | - | 4.30 | 48,446 |
| World Cities by Clue Quiz #4 | 0 | - | 4.41 | 23,890 |
| NFL Team Names by Clue | 0 | - | 4.19 | 127,285 |
| NBA Team Names by Clue | 0 | - | 4.27 | 169,558 |
| NHL Hockey Team Names by Clue | 0 | - | 4.35 | 86,263 |
| Countries with Four Letters | 0 | - | 4.99 | 418,532 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,977 |
| Random Country to Capital | 0 | - | 4.98 | 911,624 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,541 |
| Name a Valid World City | 0 | - | 4.83 | 70,132 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,841 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,196 |
| Former Flags | 0 | - | 4.97 | 106,694 |
| Years in History by Picture | 0 | - | 4.44 | 35,107 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,190 |
| Materials From History #2 | 0 | - | 4.59 | 30,915 |
| Cold War Decoder | 0 | - | 4.83 | 51,928 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,320 |
| Events in History #2 | 0 | - | 4.49 | 71,429 |
| Events in History #4 | 0 | - | 4.44 | 44,098 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,397 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,820 |
| Assassinations in History | 0 | - | 4.20 | 65,956 |
| Famous Seconds | 0 | - | 4.22 | 46,393 |
| Ages and Eras | 0 | - | 4.38 | 67,457 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,399 |
| Titled People Quiz #1 | 0 | - | 4.10 | 45,613 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,039 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,822 |
| Female Historical Figures | 0 | - | 4.31 | 33,097 |
| Historical Blunders | 0 | - | 4.33 | 91,679 |
| Territorial Accessions | 0 | - | 4.38 | 34,635 |
| People Known as "The Great" | 0 | - | 4.46 | 24,522 |
| This Day in History - July | 0 | - | 4.49 | 36,371 |
| This Day in History - August | 0 | - | 4.42 | 43,253 |
| This Day in History - September | 0 | - | 4.55 | 57,261 |
| This Day in History - October | 0 | - | 4.49 | 37,554 |
| This Day in History - January | 0 | - | 4.53 | 46,573 |
| This Day in History - March | 0 | - | 4.45 | 43,545 |
| Ancient Civilizations | 0 | - | 4.63 | 37,759 |
| The Places They Went #1 | 0 | - | 4.74 | 33,444 |
| Famous Inventors | 0 | - | 4.43 | 43,454 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,476 |
| European History for Dummies | 0 | - | 4.83 | 89,317 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,010,930 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,090,739 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,235 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,631 |
| Countries with Glaciers | 0 | - | 4.97 | 104,663 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,502 |
| Islands by Country #1 | 0 | - | 4.87 | 174,485 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,923 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,286 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,332 |
| Crayola Crayon Colors 64 Pack | 0 | - | 4.99 | 62,046 |
| Countries by Emojis | 0 | - | 4.99 | 236,179 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,324 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,435 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,108 |
| Country Chain | 0 | - | 4.96 | 215,728 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,809 |
| Capital Cities Chain | 0 | - | 4.84 | 81,919 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,999 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,017 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,815 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,512 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,405 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,575 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,801 |
| Name a Valid Country #6 | 0 | - | 4.95 | 126,403 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,493 |
| Name a Valid Country #8 | 0 | - | 4.85 | 96,025 |
| Random Name a Valid Bordering Country | 0 | - | 4.99 | 74,227 |
| Name a Valid Country #10 | 0 | - | 4.93 | 41,431 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,239 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,700 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.75 | 38,134 |
| History Analogies #1 | 0 | - | 4.53 | 89,782 |
| History Analogies #2 | 0 | - | 4.49 | 76,999 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,131 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 64,956 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 51,928 |
| History Analogies #3 | 0 | - | 4.61 | 80,432 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,148 |
| Which Came First? | 0 | - | 4.37 | 74,401 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,520 |
| Random History by Country | 0 | - | 4.53 | 34,659 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,543 |
| Animals in World History | 0 | - | 4.74 | 44,216 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,354 |
| History True or False #3 | 0 | - | 4.43 | 55,926 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.18 | 47,568 |
| A to Z: Legendary Creatures | 0 | - | 4.26 | 52,748 |
| WWII First Names | 0 | - | 4.44 | 41,562 |
| Cold War Trivia #1 | 0 | - | 4.41 | 56,961 |
| Events in History #3 | 0 | - | 4.40 | 71,451 |
| Events in History #1 | 0 | - | 4.34 | 157,277 |
| Events in Ancient History | 0 | - | 4.50 | 35,715 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,540 |
| Deaths by Date and Cause #1 | 0 | - | 4.37 | 94,889 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 67,479 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,552 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,915 |
| Political Quotes | 0 | - | 4.17 | 19,802 |
| This Day in History - April | 0 | - | 4.40 | 44,392 |
| This Day in History - May | 0 | - | 4.33 | 48,252 |
| This Day in History - June | 0 | - | 4.36 | 33,433 |
| This Day in History - November | 0 | - | 4.24 | 33,533 |
| This Day in History - December | 0 | - | 4.32 | 40,452 |
| This Day in History - February | 0 | - | 4.38 | 39,701 |
| The 19th Century | 0 | - | 4.53 | 67,880 |
| The 18th Century | 0 | - | 4.52 | 53,117 |
| The 16th Century | 0 | - | 4.77 | 58,736 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,538 |
| The 21st Century | 0 | - | 4.48 | 105,296 |
| Military History Vocabulary | 0 | - | 4.91 | 66,651 |
| History Multiple Choice #1 | 0 | - | 4.46 | 81,517 |
| Years in History #2 - Multiple Choice | 0 | - | 4.43 | 41,411 |
| History Multiple Choice #2 | 0 | - | 4.43 | 49,805 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,541 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,264 |
| Three Real and One Fake - World History | 0 | - | 4.44 | 38,189 |
| Dark Ages History | 0 | - | 4.42 | 32,677 |
| 30 Historical People You Probably Don't Know | 0 | - | 4.36 | 60,813 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,513 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,646 |
| The Sun Quiz | 0 | - | 4.93 | 34,110 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,097 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,473 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,676 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,633 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,342 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,603 |
| The Eleven Colors | 0 | - | 4.73 | 233,303 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 332,778 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,001 |
