| Metals of Antiquity | 0 | - | 4.94 | 92,887 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,091 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,994 |
| "Second Best" History Edition | 0 | - | 4.94 | 61,756 |
| Nicknames in World History | 0 | - | 4.73 | 37,330 |
| Quotes from Historical Figures #1 | 0 | - | 4.50 | 87,109 |
| Historical Middle Names | 0 | - | 4.16 | 35,377 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,229 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 228,582 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,507 |
| Empires by Maps | 0 | - | 4.98 | 118,421 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,209 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,081 |
| First Names of Explorers Quiz | 0 | - | 4.43 | 18,250 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,150 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,160 |
| Mythical Lands | 0 | - | 4.26 | 85,152 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,309 |
| Historical Middle Names - U.S. | 0 | - | 3.83 | 60,790 |
| Famous Mottos | 0 | - | 3.46 | 48,494 |
| Saint in the Answers | 0 | - | 4.10 | 44,159 |
| First Name + Initial Quiz | 0 | - | 4.03 | 52,726 |
| Historical Figures Known by a Single Name #1 | 0 | - | 4.31 | 84,488 |
| The Diseases They Had | 0 | - | 4.15 | 13,884 |
| Quotes from Historical Figures #2 | 0 | - | 4.36 | 42,509 |
| Ben Franklin Quotes | 0 | - | 4.45 | 25,744 |
| Famous Speeches from History | 0 | - | 4.16 | 33,524 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,646 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,984 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,610 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,941 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,978 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,323 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,318 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,145 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,801 |
| Influential Women in History | 0 | - | 4.42 | 34,960 |
| Cradles of Civilization | 0 | - | 4.46 | 39,024 |
| Popular Royal Names | 0 | - | 4.27 | 124,464 |
| Materials From History #1 | 0 | - | 4.56 | 50,575 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,053 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,269 |
| First Names of Painters | 0 | - | 4.43 | 59,594 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,148 |
| Famous Explorers | 0 | - | 4.58 | 35,937 |
| Famous Empires by Description | 0 | - | 4.70 | 117,520 |
| Answers by Time Period | 0 | - | 4.63 | 55,259 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,586,906 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,338 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,435 |
| Nicknames in U.S. History | 0 | - | 4.25 | 31,577 |
| Historical Misquotes | 0 | - | 4.39 | 26,622 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.95 | 40,682 |
| Random Symbol to Element | 0 | - | 4.88 | 92,201 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,535 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,087,666 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,105 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,074 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,203 |
| 7 Deadly Sins | 0 | - | 4.88 | 394,771 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,391 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,977 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,188 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,468 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,715 |
| Countries with Four Letters | 0 | - | 4.99 | 418,434 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,640 |
| Random Country to Capital | 0 | - | 4.98 | 911,423 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,529 |
| Name a Valid World City | 0 | - | 4.83 | 70,104 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,795 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,167 |
| Former Flags | 0 | - | 4.97 | 106,657 |
| Years in History by Picture | 0 | - | 4.44 | 35,093 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,178 |
| Materials From History #2 | 0 | - | 4.59 | 30,906 |
| Cold War Decoder | 0 | - | 4.83 | 51,913 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,314 |
| Events in History #2 | 0 | - | 4.49 | 71,418 |
| Events in History #4 | 0 | - | 4.44 | 44,091 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,374 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,810 |
| Assassinations in History | 0 | - | 4.20 | 65,945 |
| Famous Seconds | 0 | - | 4.22 | 46,386 |
| Ages and Eras | 0 | - | 4.38 | 67,443 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,391 |
| Titled People Quiz #1 | 0 | - | 4.10 | 45,607 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,031 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,818 |
| Female Historical Figures | 0 | - | 4.31 | 33,093 |
| Historical Blunders | 0 | - | 4.33 | 91,663 |
| Territorial Accessions | 0 | - | 4.38 | 34,627 |
| People Known as "The Great" | 0 | - | 4.46 | 24,512 |
| This Day in History - July | 0 | - | 4.49 | 36,368 |
| This Day in History - August | 0 | - | 4.42 | 43,248 |
| This Day in History - September | 0 | - | 4.55 | 57,256 |
| This Day in History - October | 0 | - | 4.49 | 37,553 |
| This Day in History - January | 0 | - | 4.53 | 46,568 |
| This Day in History - March | 0 | - | 4.45 | 43,539 |
| Ancient Civilizations | 0 | - | 4.63 | 37,746 |
| The Places They Went #1 | 0 | - | 4.74 | 33,443 |
| Famous Inventors | 0 | - | 4.43 | 43,451 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,459 |
| European History for Dummies | 0 | - | 4.83 | 89,304 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,010,854 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,090,529 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,224 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,616 |
| Countries with Glaciers | 0 | - | 4.97 | 104,647 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,291 |
| Islands by Country #1 | 0 | - | 4.87 | 174,464 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,900 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,265 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,324 |
| Crayola Crayon Colors 64 Pack | 0 | - | 4.99 | 62,022 |
| Countries by Emojis | 0 | - | 4.99 | 236,099 |
| Countries with Shortest Maximum Distances to the Ocean | 0 | - | 4.13 | 30,866 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,280 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,403 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,091 |
| Country Chain | 0 | - | 4.96 | 215,691 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,734 |
| Capital Cities Chain | 0 | - | 4.84 | 81,898 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,975 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,939 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,761 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,370 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,339 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,513 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,751 |
| Name a Valid Country #6 | 0 | - | 4.95 | 126,357 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,437 |
| Name a Valid Country #8 | 0 | - | 4.85 | 95,980 |
| Random Name a Valid Bordering Country | 0 | - | 4.99 | 74,203 |
| Name a Valid Country #10 | 0 | - | 4.93 | 41,404 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,237 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,694 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.75 | 38,134 |
| History Analogies #1 | 0 | - | 4.53 | 89,774 |
| History Analogies #2 | 0 | - | 4.49 | 76,991 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,115 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 64,947 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 51,923 |
| History Analogies #3 | 0 | - | 4.61 | 80,423 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,133 |
| Which Came First? | 0 | - | 4.37 | 74,394 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,517 |
| Random History by Country | 0 | - | 4.53 | 34,655 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,536 |
| Animals in World History | 0 | - | 4.74 | 44,210 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,351 |
| History True or False #3 | 0 | - | 4.43 | 55,905 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.18 | 47,453 |
| A to Z: Legendary Creatures | 0 | - | 4.26 | 52,733 |
| WWII First Names | 0 | - | 4.44 | 41,557 |
| Cold War Trivia #1 | 0 | - | 4.41 | 56,944 |
| Events in History #3 | 0 | - | 4.40 | 71,443 |
| Events in History #1 | 0 | - | 4.34 | 157,259 |
| Events in Ancient History | 0 | - | 4.50 | 35,699 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,538 |
| Deaths by Date and Cause #1 | 0 | - | 4.37 | 94,884 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 67,470 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,536 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,902 |
| Political Quotes | 0 | - | 4.17 | 19,800 |
| This Day in History - April | 0 | - | 4.40 | 44,389 |
| This Day in History - May | 0 | - | 4.33 | 48,245 |
| This Day in History - June | 0 | - | 4.36 | 33,430 |
| This Day in History - November | 0 | - | 4.24 | 33,531 |
| This Day in History - December | 0 | - | 4.32 | 40,449 |
| This Day in History - February | 0 | - | 4.38 | 39,698 |
| The 19th Century | 0 | - | 4.53 | 67,873 |
| The 18th Century | 0 | - | 4.52 | 53,113 |
| The 16th Century | 0 | - | 4.77 | 58,731 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,535 |
| The 21st Century | 0 | - | 4.48 | 105,272 |
| Military History Vocabulary | 0 | - | 4.91 | 66,635 |
| History Multiple Choice #1 | 0 | - | 4.46 | 81,505 |
| Years in History #2 - Multiple Choice | 0 | - | 4.43 | 41,404 |
| History Multiple Choice #2 | 0 | - | 4.43 | 49,795 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,534 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,259 |
| Three Real and One Fake - World History | 0 | - | 4.44 | 38,184 |
| Dark Ages History | 0 | - | 4.42 | 32,672 |
| 30 Historical People You Probably Don't Know | 0 | - | 4.36 | 60,802 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,458 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,625 |
| The Sun Quiz | 0 | - | 4.93 | 34,096 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,086 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,462 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,651 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,613 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,295 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,587 |
| The Eleven Colors | 0 | - | 4.73 | 233,261 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 332,587 |
| MLS Soccer Teams | 0 | - | 4.23 | 83,953 |
| UK General Knowledge Multiple Choice #3 | 0 | - | 4.53 | 18,026 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,413 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,434 |
