| Metals of Antiquity | 0 | - | 4.94 | 92,908 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,098 |
| The Only Country ... | 0 | - | 4.91 | 79,882 |
| "Second Best" History Edition | 0 | - | 4.94 | 61,812 |
| Nicknames in World History | 0 | - | 4.73 | 37,344 |
| Quotes from Historical Figures #1 | 0 | - | 4.50 | 87,111 |
| Historical Middle Names | 0 | - | 4.16 | 35,385 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,238 |
| 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 | 118,501 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,227 |
| 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 | 46,167 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,194 |
| Mythical Lands | 0 | - | 4.26 | 85,154 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,314 |
| Historical Middle Names - U.S. | 0 | - | 3.83 | 60,801 |
| 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 | 84,501 |
| 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 | 25,744 |
| Famous Speeches from History | 0 | - | 4.16 | 33,525 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,655 |
| 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 | 60,963 |
| 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 | 44,783 |
| Influential Women in History | 0 | - | 4.42 | 35,002 |
| Cradles of Civilization | 0 | - | 4.46 | 39,061 |
| Popular Royal Names | 0 | - | 4.27 | 124,479 |
| Materials From History #1 | 0 | - | 4.56 | 50,604 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,098 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,344 |
| First Names of Painters | 0 | - | 4.43 | 59,597 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,182 |
| Famous Explorers | 0 | - | 4.58 | 35,946 |
| Famous Empires by Description | 0 | - | 4.70 | 117,547 |
| Answers by Time Period | 0 | - | 4.63 | 55,267 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,587,941 |
| 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 | 27,447 |
| 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 | 40,691 |
| 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 | 2,087,974 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,162 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,115 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,230 |
| 7 Deadly Sins | 0 | - | 4.88 | 394,896 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,765 |
| Cities that End in R by Clue | 0 | - | 4.68 | 18,596 |
| Cities that End in M by Clue | 0 | - | 4.62 | 20,876 |
| 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 | 23,889 |
| NFL Team Names by Clue | 0 | - | 4.19 | 127,283 |
| NBA Team Names by Clue | 0 | - | 4.27 | 169,558 |
| NHL Hockey Team Names by Clue | 0 | - | 4.35 | 86,262 |
| Countries with Four Letters | 0 | - | 4.99 | 418,525 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,960 |
| Random Country to Capital | 0 | - | 4.98 | 911,594 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,540 |
| Name a Valid World City | 0 | - | 4.83 | 70,130 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,837 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,191 |
| Former Flags | 0 | - | 4.97 | 106,693 |
| Years in History by Picture | 0 | - | 4.44 | 35,107 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,189 |
| Materials From History #2 | 0 | - | 4.59 | 30,913 |
| Cold War Decoder | 0 | - | 4.83 | 51,928 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,319 |
| Events in History #2 | 0 | - | 4.49 | 71,429 |
| Events in History #4 | 0 | - | 4.44 | 44,097 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,396 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,819 |
| Assassinations in History | 0 | - | 4.20 | 65,955 |
| Famous Seconds | 0 | - | 4.22 | 46,393 |
| Ages and Eras | 0 | - | 4.38 | 67,455 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,398 |
| 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 | 75,821 |
| Female Historical Figures | 0 | - | 4.31 | 33,096 |
| Historical Blunders | 0 | - | 4.33 | 91,678 |
| Territorial Accessions | 0 | - | 4.38 | 34,632 |
| People Known as "The Great" | 0 | - | 4.46 | 24,521 |
| 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 | 43,544 |
| Ancient Civilizations | 0 | - | 4.63 | 37,758 |
| 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 | 24,473 |
| European History for Dummies | 0 | - | 4.83 | 89,316 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,010,925 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,090,723 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,232 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,631 |
| Countries with Glaciers | 0 | - | 4.97 | 104,660 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,484 |
| Islands by Country #1 | 0 | - | 4.87 | 174,483 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,923 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,284 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,332 |
| Crayola Crayon Colors 64 Pack | 0 | - | 4.99 | 62,043 |
| Countries by Emojis | 0 | - | 4.99 | 236,169 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,318 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,434 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,106 |
| Country Chain | 0 | - | 4.96 | 215,724 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,806 |
| Capital Cities Chain | 0 | - | 4.84 | 81,919 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,994 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,012 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,809 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,497 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,399 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,573 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,796 |
| Name a Valid Country #6 | 0 | - | 4.95 | 126,401 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,487 |
| Name a Valid Country #8 | 0 | - | 4.85 | 96,023 |
| Random Name a Valid Bordering Country | 0 | - | 4.99 | 74,225 |
| Name a Valid Country #10 | 0 | - | 4.93 | 41,428 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,239 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,699 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.75 | 38,134 |
| History Analogies #1 | 0 | - | 4.53 | 89,781 |
| History Analogies #2 | 0 | - | 4.49 | 76,999 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,128 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 64,951 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 51,925 |
| History Analogies #3 | 0 | - | 4.61 | 80,432 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,147 |
| 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 | 61,542 |
| 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 | 47,561 |
| A to Z: Legendary Creatures | 0 | - | 4.26 | 52,747 |
| WWII First Names | 0 | - | 4.44 | 41,561 |
| Cold War Trivia #1 | 0 | - | 4.41 | 56,961 |
| Events in History #3 | 0 | - | 4.40 | 71,450 |
| Events in History #1 | 0 | - | 4.34 | 157,276 |
| 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 | 73,550 |
| 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 | 48,251 |
| 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 | 67,879 |
| 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 | 105,293 |
| Military History Vocabulary | 0 | - | 4.91 | 66,650 |
| History Multiple Choice #1 | 0 | - | 4.46 | 81,516 |
| Years in History #2 - Multiple Choice | 0 | - | 4.43 | 41,410 |
| History Multiple Choice #2 | 0 | - | 4.43 | 49,804 |
| 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 | 38,188 |
| Dark Ages History | 0 | - | 4.42 | 32,677 |
| 30 Historical People You Probably Don't Know | 0 | - | 4.36 | 60,810 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,510 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,643 |
| The Sun Quiz | 0 | - | 4.93 | 34,109 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,097 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,470 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,674 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,631 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,338 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,599 |
| The Eleven Colors | 0 | - | 4.73 | 233,303 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 332,760 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,001 |