| #1 Hits of the 2020s | 0 | - | 4.47 | 94,707 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,630 |
| Territory Changes in World War I | 0 | - | 4.88 | 47,096 |
| #1 Hits of the 2010s | 0 | - | 4.41 | 297,447 |
| Nicknames in World History | 0 | - | 4.74 | 37,956 |
| "Second Best" History Edition | 0 | - | 4.94 | 63,868 |
| WWII Geography | 0 | - | 4.81 | 120,867 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,117 |
| Quotes from Historical Figures #1 | 0 | - | 4.50 | 87,661 |
| Musicians Who Died Young | 0 | - | 4.39 | 108,989 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,540 |
| Empires by Maps | 0 | - | 4.98 | 121,577 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 54,048 |
| WWI... or WWII? | 0 | - | 4.85 | 143,147 |
| Historical Middle Names | 0 | - | 4.16 | 36,052 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,888 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 230,210 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,551 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,423 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,235 |
| First Names of Explorers Quiz | 0 | - | 4.45 | 18,548 |
| Mythical Lands | 0 | - | 4.26 | 85,466 |
| Saint in the Answers | 0 | - | 4.10 | 44,450 |
| First Name + Initial Quiz | 0 | - | 4.03 | 52,955 |
| Nicknames in U.S. History | 0 | - | 4.25 | 31,813 |
| Historical Figures Known by a Single Name #1 | 0 | - | 4.32 | 85,534 |
| Quotes from Historical Figures #2 | 0 | - | 4.36 | 42,795 |
| Ben Franklin Quotes | 0 | - | 4.45 | 25,808 |
| Famous Speeches from History | 0 | - | 4.19 | 33,699 |
| Music by Year, 1990–2009 | 0 | - | 4.18 | 110,351 |
| Music by Year, 1970–1989 | 0 | - | 4.31 | 41,285 |
| Most Popular NBA Jerseys | 0 | - | 4.38 | 839,813 |
| Metals of Antiquity | 0 | - | 4.95 | 93,818 |
| Popular Royal Names | 0 | - | 4.27 | 125,277 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,058 |
| History: What Came First? #1 | 0 | - | 4.87 | 105,808 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 709,729 |
| First Names of Painters | 0 | - | 4.43 | 60,015 |
| Notable People of WWII | 0 | - | 4.53 | 86,148 |
| WWII Trivia #2 | 0 | - | 4.52 | 104,476 |
| 1960s Decade Quiz #2 | 0 | - | 4.45 | 45,510 |
| World War I Quiz | 0 | - | 4.78 | 101,969 |
| WWI A-Z | 0 | - | 4.51 | 38,559 |
| Historical Middle Names - U.S. | 0 | - | 3.84 | 61,249 |
| Famous Mottos | 0 | - | 3.46 | 48,644 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,554 |
| Pasta... or Composer? | 0 | - | 4.63 | 26,816 |
| Songs with Food in the Title | 0 | - | 4.26 | 42,608 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,647,318 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,172 |
| Influential Women in History | 0 | - | 4.42 | 36,245 |
| Cradles of Civilization | 0 | - | 4.46 | 40,190 |
| Materials From History #1 | 0 | - | 4.56 | 51,977 |
| Historical Countries by Ruler | 0 | - | 4.48 | 49,111 |
| Recently Independent Countries | 0 | - | 4.98 | 159,830 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,464 |
| Famous Explorers | 0 | - | 4.58 | 36,308 |
| Famous Empires by Description | 0 | - | 4.73 | 118,879 |
| Answers by Time Period | 0 | - | 4.64 | 55,814 |
| Historical Misquotes | 0 | - | 4.39 | 26,690 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,220 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,644 |
| Countries by National Anthem | 0 | - | 4.92 | 71,381 |
| Best Selling Artists by Letter Quiz | 0 | - | 4.04 | 43,465 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,607 |
| Songs with Body Parts in the Title | 0 | - | 4.32 | 216,310 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,729 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,111,061 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 167,590 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,918 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,347 |
| 7 Deadly Sins | 0 | - | 4.88 | 403,014 |
| Most Popular NFL Jerseys | 0 | - | 4.19 | 238,221 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,828 |
| Countries with Four Letters | 0 | - | 4.99 | 425,192 |
| Random Symbol to Element | 0 | - | 4.88 | 93,718 |
| Random Capital to Country | 0 | - | 4.99 | 2,599,324 |
| Random Country to Capital | 0 | - | 4.98 | 926,410 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,253 |
| Name a Valid World City | 0 | - | 4.85 | 71,838 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,554 |
| Former Flags | 0 | - | 4.97 | 108,381 |
| Years in History by Picture | 0 | - | 4.44 | 35,723 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,784 |
| Materials From History #2 | 0 | - | 4.59 | 31,587 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,377 |
| All World Leaders 2026 | 0 | - | 4.95 | 20,918 |
| Former Capitals | 0 | - | 4.88 | 71,632 |
| WWII Trivia #1 | 0 | - | 4.36 | 178,354 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,284 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,840 |
| WWII First Names | 0 | - | 4.45 | 41,939 |
| WWII Decoder | 0 | - | 4.41 | 53,763 |
| World War II Multiple Choice | 0 | - | 4.38 | 104,439 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,703 |
| WWII True or False? | 0 | - | 4.56 | 57,876 |
| 1960s Decade Quiz #1 | 0 | - | 4.40 | 50,697 |
| Cold War Decoder | 0 | - | 4.83 | 52,581 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,641 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,480 |
| Events in History #2 | 0 | - | 4.49 | 71,915 |
| Events in History #3 | 0 | - | 4.41 | 71,861 |
| Events in History #4 | 0 | - | 4.44 | 44,446 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,799 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 49,135 |
| Assassinations in History | 0 | - | 4.21 | 66,376 |
| Famous Founders in the U.S. | 0 | - | 4.02 | 34,736 |
| Famous Seconds | 0 | - | 4.22 | 46,831 |
| Ages and Eras | 0 | - | 4.39 | 67,880 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,548 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,896 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,279 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 76,114 |
| Female Historical Figures | 0 | - | 4.28 | 33,337 |
| Historical Blunders | 0 | - | 4.34 | 92,655 |
| Territorial Accessions | 0 | - | 4.34 | 34,883 |
| People Known as "The Great" | 0 | - | 4.46 | 24,769 |
| This Day in History - July | 0 | - | 4.49 | 36,499 |
| This Day in History - August | 0 | - | 4.42 | 43,410 |
| This Day in History - September | 0 | - | 4.55 | 57,545 |
| This Day in History - October | 0 | - | 4.49 | 37,676 |
| This Day in History - January | 0 | - | 4.48 | 46,775 |
| This Day in History - March | 0 | - | 4.45 | 43,739 |
| Ancient Civilizations | 0 | - | 4.64 | 38,087 |
| The Places They Went #1 | 0 | - | 4.74 | 33,566 |
| Famous Inventors | 0 | - | 4.44 | 43,586 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,198 |
| European History for Dummies | 0 | - | 4.83 | 90,297 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.08 | 1,015,979 |
| The Michael Jackson Quiz | 0 | - | 4.23 | 28,863 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,482 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 739,393 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,101,443 |
| Best-Selling Breakfast Cereals | 0 | - | 3.68 | 92,939 |
| Islands by Country #1 | 0 | - | 4.90 | 176,175 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,120 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,447 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,308 |
| Crayola Crayon Colors 64 Pack | 0 | - | 4.99 | 63,107 |
| Countries by Emojis | 0 | - | 4.99 | 241,464 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,756 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,180 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,449 |
| Country Chain | 0 | - | 4.96 | 218,237 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,449 |
| Capital Cities Chain | 0 | - | 4.84 | 83,250 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,440 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,232 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,597 |
| Name a Valid Country #1 | 0 | - | 4.99 | 294,456 |
| Name a Valid Country #2 | 0 | - | 4.98 | 253,681 |
| Name a Valid Country #4 | 0 | - | 4.97 | 258,726 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,610 |
| Name a Valid Country #6 | 0 | - | 4.95 | 144,030 |
| Name a Valid Country #7 | 0 | - | 4.91 | 131,502 |
| Name a Valid Country #8 | 0 | - | 4.86 | 100,640 |
| Random Name a Valid Bordering Country | 0 | - | 4.99 | 76,608 |
| Name a Valid Country #10 | 0 | - | 4.93 | 44,018 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,979 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.75 | 38,224 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,418 |
| History Analogies #1 | 0 | - | 4.53 | 90,341 |
| History Analogies #2 | 0 | - | 4.49 | 77,457 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,881 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 65,304 |
| Current Events by Year, 1930–1949 | 0 | - | 4.47 | 52,195 |
| Groups of Things - History #1 | 0 | - | 4.41 | 94,418 |
| History Analogies #3 | 0 | - | 4.61 | 80,897 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,711 |
| Which Came First? | 0 | - | 4.37 | 74,996 |
| Random History by Country | 0 | - | 4.53 | 34,977 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 62,103 |
| Animals in World History | 0 | - | 4.74 | 44,642 |
| People - Real or Fictional? | 0 | - | 4.56 | 59,056 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,728 |
| History True or False #3 | 0 | - | 4.43 | 57,169 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,423 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.15 | 63,749 |
| A to Z: Legendary Creatures | 0 | - | 4.28 | 53,247 |
| Cold War Trivia #1 | 0 | - | 4.42 | 57,491 |
| Events in History #1 | 0 | - | 4.35 | 158,076 |
| Events in Ancient History | 0 | - | 4.50 | 36,137 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,746 |
| Deaths by Date and Cause #1 | 0 | - | 4.38 | 95,462 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 67,935 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,374 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,783 |
| Political Quotes | 0 | - | 4.17 | 19,936 |
| This Day in History - April | 0 | - | 4.40 | 44,503 |
| This Day in History - May | 0 | - | 4.33 | 48,459 |
| This Day in History - June | 0 | - | 4.32 | 33,539 |
| This Day in History - November | 0 | - | 4.24 | 33,641 |
| This Day in History - December | 0 | - | 4.32 | 40,583 |
| This Day in History - February | 0 | - | 4.38 | 39,863 |
| The 19th Century | 0 | - | 4.53 | 68,262 |
| The 18th Century | 0 | - | 4.53 | 53,410 |
| The 16th Century | 0 | - | 4.77 | 58,964 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,770 |
| The 21st Century | 0 | - | 4.47 | 106,341 |
| Military History Vocabulary | 0 | - | 4.91 | 67,565 |
