| Cold War Decoder | 0 | - | 4.83 | 52,320 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,939 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,882 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,135 |
| European History for Dummies | 0 | - | 4.83 | 89,847 |
| History Analogies #1 | 0 | - | 4.53 | 89,954 |
| History Analogies #2 | 0 | - | 4.49 | 77,190 |
| Groups of Things - History #1 | 0 | - | 4.41 | 94,067 |
| History Analogies #3 | 0 | - | 4.61 | 80,634 |
| Random History by Country | 0 | - | 4.53 | 34,835 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,853 |
| People - Real or Fictional? | 0 | - | 4.56 | 58,804 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,575 |
| Geography Decoder | 0 | - | 4.53 | 75,608 |
| Continental Geography Decoder | 0 | - | 4.46 | 52,620 |
| History General Knowledge #13 | 0 | - | 4.69 | 49,244 |
| Groups of Things - History #2 | 0 | - | 4.39 | 79,319 |
| History Analogies #4 | 0 | - | 4.26 | 72,900 |
| History Groups of Two | 0 | - | 4.31 | 40,692 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,704 |
| 4-Letter History Chain #1 | 0 | - | 4.41 | 85,006 |
| 5-Letter History Chain #3 | 0 | - | 4.47 | 66,405 |
| 6-Letter History Chain #2 | 0 | - | 4.51 | 57,520 |
| Empires by Maps | 0 | - | 4.98 | 120,271 |
| 5-Letter History Chain #1 | 0 | - | 4.54 | 102,198 |
| Valid Answer - World History #2 | 0 | - | 4.38 | 47,071 |
| Wolfcam's Random History General Knowledge | 0 | - | 4.43 | 21,061 |
| World History Quiz for Dummies | 0 | - | 4.50 | 97,724 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,669 |
| Historical Middle Names | 0 | - | 4.16 | 35,746 |
| People Who Were "The" Something | 0 | - | 4.25 | 155,724 |
| Quotes from Historical Figures #1 | 0 | - | 4.50 | 87,453 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,519 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 229,269 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,356 |
| History General Knowledge #1 | 0 | - | 4.55 | 128,198 |
| History General Knowledge #3 | 0 | - | 4.50 | 96,339 |
| History General Knowledge #6 | 0 | - | 4.49 | 88,882 |
| History General Knowledge #10 | 0 | - | 4.43 | 77,838 |
| History General Knowledge #11 | 0 | - | 4.45 | 72,619 |
| Christmas Decoder | 0 | - | 4.42 | 49,549 |
| Science Decoder | 0 | - | 4.52 | 28,760 |
| Influential Women in History | 0 | - | 4.42 | 35,546 |
| Cradles of Civilization | 0 | - | 4.46 | 39,605 |
| Materials From History #1 | 0 | - | 4.56 | 51,513 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,593 |
| Biggest Nations and Empires Ever | 0 | - | 4.52 | 145,837 |
| Famous Explorers | 0 | - | 4.58 | 36,143 |
| Famous Empires by Description | 0 | - | 4.73 | 118,400 |
| Answers by Time Period | 0 | - | 4.63 | 55,555 |
| Metals of Antiquity | 0 | - | 4.95 | 93,395 |
| 5-Letter History Chain #2 | 0 | - | 4.25 | 68,967 |
| 6-Letter History Chain #1 | 0 | - | 4.28 | 70,005 |
| 4-Letter History Chain #2 | 0 | - | 4.35 | 58,249 |
| 4-Letter History Chain #3 | 0 | - | 4.38 | 60,301 |
| First Names of Explorers Quiz | 0 | - | 4.45 | 18,393 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,663 |
| History: What Came First? #1 | 0 | - | 4.87 | 105,191 |
| Mythical Lands | 0 | - | 4.26 | 85,332 |
| Historical Middle Names - U.S. | 0 | - | 3.83 | 61,061 |
| Famous Mottos | 0 | - | 3.46 | 48,590 |
| Saint in the Answers | 0 | - | 4.10 | 44,336 |
| First Name + Initial Quiz | 0 | - | 4.03 | 52,842 |
| Historical Figures Known by a Single Name #1 | 0 | - | 4.32 | 85,061 |
| Quotes from Historical Figures #2 | 0 | - | 4.36 | 42,691 |
| Ben Franklin Quotes | 0 | - | 4.45 | 25,780 |
| Famous Speeches from History | 0 | - | 4.16 | 33,625 |
| History General Knowledge #5 | 0 | - | 4.39 | 106,513 |
| History General Knowledge #7 | 0 | - | 4.35 | 88,512 |
| History General Knowledge #8 | 0 | - | 4.32 | 83,949 |
| History General Knowledge #9 | 0 | - | 4.40 | 79,860 |
| History General Knowledge #12 | 0 | - | 4.32 | 67,198 |
| History General Knowledge #2 | 0 | - | 4.32 | 112,943 |
| History General Knowledge #4 | 0 | - | 4.33 | 110,689 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,257 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,367 |
| Best-Selling Video Game Consoles | 0 | - | 4.82 | 274,123 |
| Halloween Decoder | 0 | - | 4.21 | 45,624 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,244 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 707,271 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,923 |
| Popular Royal Names | 0 | - | 4.27 | 124,893 |
| Materials From History #2 | 0 | - | 4.59 | 31,468 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,988 |
| Assassinations in History | 0 | - | 4.21 | 66,183 |
| Famous Seconds | 0 | - | 4.22 | 46,564 |
| Ages and Eras | 0 | - | 4.39 | 67,686 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,478 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,778 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,154 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,980 |
| Female Historical Figures | 0 | - | 4.28 | 33,233 |
| Historical Blunders | 0 | - | 4.34 | 91,928 |
| Territorial Accessions | 0 | - | 4.36 | 34,777 |
| People Known as "The Great" | 0 | - | 4.46 | 24,658 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,619,064 |
| Years in History by Picture | 0 | - | 4.44 | 35,481 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,564 |
| First Names of Painters | 0 | - | 4.43 | 59,830 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,399 |
| Events in History #2 | 0 | - | 4.49 | 71,680 |
| Events in History #4 | 0 | - | 4.44 | 44,283 |
| Historical Misquotes | 0 | - | 4.39 | 26,657 |
| This Day in History - July | 0 | - | 4.49 | 36,444 |
| This Day in History - August | 0 | - | 4.42 | 43,356 |
| This Day in History - September | 0 | - | 4.55 | 57,430 |
| This Day in History - October | 0 | - | 4.49 | 37,620 |
| This Day in History - January | 0 | - | 4.47 | 46,706 |
| This Day in History - March | 0 | - | 4.45 | 43,653 |
| Ancient Civilizations | 0 | - | 4.64 | 37,939 |
| The Places They Went #1 | 0 | - | 4.74 | 33,528 |
| Famous Inventors | 0 | - | 4.44 | 43,536 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 40,989 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,299 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,013,548 |
| Italian Name Translation | 0 | - | 4.82 | 46,507 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 110,661 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,100,084 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,464 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,115 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,372 |
| 7 Deadly Sins | 0 | - | 4.88 | 399,753 |
| Geography Quiz for Dummies | 0 | - | 4.87 | 108,602 |
| Disney Animated Characters | 0 | - | 4.88 | 601,227 |
| Conspiracy Theories – Mostly U.S. | 0 | - | 4.44 | 56,480 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 236,817 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 450,162 |
| Countries with Four Letters | 0 | - | 4.99 | 422,018 |
| 4-Letter Geography Chain #1 | 0 | - | 4.81 | 169,973 |
| Random Symbol to Element | 0 | - | 4.88 | 92,999 |
| Animal Decoder | 0 | - | 4.06 | 15,525 |
| Eight Most Popular Berries | 0 | - | 4.43 | 99,316 |
| Top 20 Fruits Sold in the U.S. | 0 | - | 4.44 | 67,699 |
| Name a Valid World City | 0 | - | 4.83 | 71,088 |
| Short Term Memory Test - Countries | 0 | - | 4.78 | 45,966 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,421 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,454 |
| Former Flags | 0 | - | 4.97 | 107,616 |
| Christopher Columbus Quiz | 0 | - | 4.23 | 8,298 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,942 |
| Historic Orient Express Routes Map | 0 | - | 4.99 | 53,458 |
| All World Leaders 2026 | 0 | - | 4.96 | 19,638 |
| Born Here on This Date #1 | 0 | - | 3.92 | 35,360 |
| Famous Founders in the U.S. | 0 | - | 3.98 | 34,453 |
| Titled People Quiz #2 | 0 | - | 4.38 | 26,738 |
| Job Titles Quiz #2 | 0 | - | 3.62 | 37,309 |
| Famous Ships Quiz | 0 | - | 4.25 | 29,244 |
| Famous Short People | 0 | - | 4.39 | 17,705 |
| Name the Alliance | 0 | - | 4.29 | 29,601 |
| Coups d'Etat - Name the Country | 0 | - | 4.40 | 27,675 |
| Famous Documents | 0 | - | 4.05 | 21,824 |
| Legendary Deeds | 0 | - | 4.16 | 28,912 |
| Disasters in History | 0 | - | 4.40 | 25,676 |
| Executions in History | 0 | - | 4.30 | 16,968 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,882 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,501 |
| Fruits: No Vowels | 0 | - | 4.81 | 99,537 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 304,829 |
| Islands by Country #1 | 0 | - | 4.88 | 175,201 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,462 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,802 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,679 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 114,493 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,296 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 180,146 |
| Country Chain | 0 | - | 4.96 | 216,977 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,387 |
| Random Countries Mouse Hunt! | 0 | - | 4.81 | 184,219 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 49,993 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,781 |
| Name a Valid Country #1 | 0 | - | 4.99 | 289,329 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,420 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,311 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,693 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,207 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,078 |
| Name a Valid Country #8 | 0 | - | 4.85 | 98,448 |
| Random Name a Valid Bordering Country | 0 | - | 4.99 | 75,438 |
| Name a Valid Country #10 | 0 | - | 4.93 | 42,803 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,378 |
| Random Geographic Groups of Seven | 0 | - | 4.91 | 45,985 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,841 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,265 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,561 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 65,149 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 52,076 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,456 |
| Which Came First? | 0 | - | 4.37 | 74,752 |
| Animals in World History | 0 | - | 4.74 | 44,467 |
| History True or False #3 | 0 | - | 4.43 | 56,830 |
| A to Z: Legendary Creatures | 0 | - | 4.26 | 53,021 |
| WWII Decoder | 0 | - | 4.41 | 53,523 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,370 |
| Cold War Trivia #1 | 0 | - | 4.42 | 57,258 |
| Events in History #3 | 0 | - | 4.40 | 71,668 |
| Events in History #1 | 0 | - | 4.34 | 157,694 |
| Events in Ancient History | 0 | - | 4.50 | 35,954 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,652 |
| Deaths by Date and Cause #1 | 0 | - | 4.38 | 95,205 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 67,745 |
