| Name a Valid Year in History | 0 | - | 4.92 | 54,211 |
| 19th Century A-Z | 0 | - | 4.82 | 34,541 |
| History Analogies #1 | 0 | - | 4.47 | 76,219 |
| History Analogies #2 | 0 | - | 4.51 | 64,721 |
| History Analogies #3 | 0 | - | 4.54 | 66,870 |
| Valid Answer - World History #2 | 0 | - | 4.41 | 39,618 |
| Random History by Country | 0 | - | 4.53 | 31,645 |
| Valid Answer - World History #1 | 0 | - | 4.57 | 56,537 |
| Places - Real or Fictional? | 0 | - | 4.56 | 46,018 |
| First Names of Historical Figures #1 | 0 | - | 4.41 | 217,431 |
| 5-Letter History Chain #3 | 0 | - | 4.48 | 50,980 |
| 6-Letter History Chain #2 | 0 | - | 4.53 | 51,124 |
| 5-Letter History Chain #1 | 0 | - | 4.53 | 83,922 |
| World History Quiz for Dummies | 0 | - | 4.54 | 89,430 |
| "Second Best" History Edition | 0 | - | 4.94 | 47,428 |
| Quotes from Historical Figures #1 | 0 | - | 4.48 | 82,447 |
| Famous Empires in History | 0 | - | 4.83 | 104,955 |
| History General Knowledge #1 | 0 | - | 4.51 | 99,838 |
| History General Knowledge #3 | 0 | - | 4.50 | 76,319 |
| History General Knowledge #6 | 0 | - | 4.42 | 70,494 |
| History General Knowledge #10 | 0 | - | 4.44 | 62,474 |
| Groups of Things - History #1 | 0 | - | 4.37 | 87,052 |
| Groups of Things - History #2 | 0 | - | 4.38 | 74,945 |
| History Analogies #4 | 0 | - | 4.17 | 50,838 |
| History Groups of Two | 0 | - | 4.31 | 38,149 |
| Wolfcam's Random History General Knowledge | 0 | - | 4.43 | 19,670 |
| Cold War Decoder | 0 | - | 4.75 | 47,243 |
| People Who Were "The" Something | 0 | - | 4.21 | 129,613 |
| First Names of Historical Figures #2 | 0 | - | 4.37 | 35,393 |
| 2019 Year in Review | 0 | - | 4.43 | 32,797 |
| 17th Century A-Z | 0 | - | 4.61 | 24,182 |
| European History for Dummies | 0 | - | 4.77 | 65,259 |
| History General Knowledge #13 | 0 | - | 4.68 | 24,762 |
| Former Countries by Territory Map | 0 | - | 4.97 | 86,694 |
| 4-Letter History Chain #1 | 0 | - | 4.40 | 77,803 |
| 5-Letter History Chain #2 | 0 | - | 4.34 | 57,776 |
| 6-Letter History Chain #1 | 0 | - | 4.31 | 63,392 |
| 4-Letter History Chain #2 | 0 | - | 4.32 | 44,467 |
| Empires by Maps | 0 | - | 4.98 | 95,944 |
| 4-Letter History Chain #3 | 0 | - | 4.34 | 47,398 |
| Mythical Lands | 0 | - | 4.24 | 81,707 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 46,814 |
| Answers Contain "Saint" | 0 | - | 4.08 | 40,418 |
| First Name + Initial Quiz | 0 | - | 4.04 | 50,175 |
| One-Name Historical Figures Quiz #1 | 0 | - | 4.28 | 66,051 |
| Quotes from Historical Figures #2 | 0 | - | 4.39 | 39,981 |
| Historical Misquotes | 0 | - | 4.41 | 25,946 |
| Famous Speeches from History | 0 | - | 4.15 | 32,403 |
| 20th Century A-Z | 0 | - | 4.48 | 38,876 |
| 18th Century A-Z | 0 | - | 4.60 | 31,695 |
| History General Knowledge #5 | 0 | - | 4.34 | 84,445 |
| History General Knowledge #7 | 0 | - | 4.34 | 69,109 |
| History General Knowledge #8 | 0 | - | 4.32 | 65,984 |
| History General Knowledge #9 | 0 | - | 4.39 | 63,315 |
| History General Knowledge #12 | 0 | - | 4.30 | 49,849 |
| History General Knowledge #11 | 0 | - | 4.40 | 53,364 |
| History General Knowledge #2 | 0 | - | 4.26 | 92,313 |
| History General Knowledge #4 | 0 | - | 4.31 | 90,790 |
| Famous People from Africa | 0 | - | 4.44 | 10,313 |
| Metals of Antiquity | 0 | - | 4.93 | 85,823 |
| Popular Royal Names | 0 | - | 4.27 | 117,027 |
| Animals in World History | 0 | - | 4.82 | 40,520 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 40,208 |
| History: What Came First? #1 | 0 | - | 4.84 | 91,943 |
| Mythical Creatures Quiz #1 | 0 | - | 4.91 | 659,427 |
| 1960s Decade Quiz #2 | 0 | - | 4.44 | 41,875 |
| Historical Middle Names #1 | 0 | - | 3.62 | 48,445 |
| Historical Middle Names #2 | 0 | - | 4.18 | 19,864 |
| Famous Mottos Quiz | 0 | - | 3.48 | 47,663 |
| 2012 Year in Review | 0 | - | 4.03 | 45,308 |
| 2011 Year in Review | 0 | - | 4.16 | 41,224 |
| 2013 Year in Review | 0 | - | 4.32 | 39,713 |
| Years in History #1 - Multiple Choice | 0 | - | 4.84 | 63,423 |
| Analogies of Countries #1 | 0 | - | 4.88 | 62,163 |
| Five Letter Geography #4 | 0 | - | 4.83 | 67,251 |
| Name a Valid Answer - Geography | 0 | - | 4.92 | 78,213 |
| Cradles of Civilization | 0 | - | 4.41 | 32,721 |
| First Names of Explorers Quiz | 0 | - | 4.40 | 16,329 |
| Materials From History #1 | 0 | - | 4.54 | 45,267 |
| Historical Countries by Ruler | 0 | - | 4.45 | 39,880 |
| First Names of Painters | 0 | - | 4.38 | 56,534 |
| WWII Decoder | 0 | - | 4.44 | 49,155 |
| Name a Valid Answer - World War II | 0 | - | 4.51 | 48,498 |
| 1950s Decade Quiz | 0 | - | 4.37 | 46,761 |
| 1960s Decade Quiz #1 | 0 | - | 4.38 | 47,531 |
| Biggest Nations and Empires Ever | 0 | - | 4.55 | 134,533 |
| Famous Explorers | 0 | - | 4.65 | 32,847 |
| Answers by Time Period | 0 | - | 4.49 | 42,873 |
| Territorial Accessions | 0 | - | 4.43 | 32,346 |
| Ben Franklin Quotes Quiz | 0 | - | 4.38 | 21,241 |
| NBA Basketball by Year, 1970–1999 | 0 | - | 4.21 | 42,559 |
| NBA Basketball by Year, 2000–Present | 0 | - | 4.27 | 53,517 |
| 16th Century A-Z | 0 | - | 4.54 | 15,924 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.96 | 36,938 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 48,992 |
| Top 10 Oldest African Countries | 0 | - | 4.84 | 23,253 |
| Combined Song Titles #1 | 0 | - | 4.82 | 80,135 |
| Songs that Start with the Same Word | 0 | - | 4.86 | 98,985 |
| Word Scramble - Countries | 0 | - | 4.87 | 1,935,355 |
| Solve the Secret Country #1 | 0 | - | 4.95 | 132,585 |
| Solve the Secret Country #2 | 0 | - | 4.90 | 90,335 |
| Anagram Chain - Countries | 0 | - | 4.98 | 97,946 |
| 7 Deadly Sins Quiz | 0 | - | 4.86 | 347,776 |
| Disney Animated Characters | 0 | - | 4.88 | 576,562 |
| Geography General Knowledge #12 | 0 | - | 4.81 | 99,024 |
| Geographic Groups of Two #1 | 0 | - | 4.98 | 221,519 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 386,920 |
| Countries with Four Letters | 0 | - | 4.99 | 376,977 |
| 4-Letter Geography Chain #1 | 0 | - | 4.82 | 154,073 |
| Random Symbol to Element | 0 | - | 4.87 | 83,575 |
| Europe Geography Decoder | 0 | - | 4.88 | 63,844 |
| Countries but all Vowels are Changed to O | 0 | - | 4.85 | 36,680 |
| Solve the Secret Country #3 | 0 | - | 4.97 | 46,057 |
| Influential Women in History | 0 | - | 4.47 | 30,567 |
| Former Flags | 0 | - | 4.98 | 82,222 |
| Historical Events - AD or BC? | 0 | - | 4.75 | 52,512 |
| Materials From History #2 | 0 | - | 4.58 | 24,964 |
| States of the German Confederation in 1848 | 0 | - | 4.84 | 26,836 |
| WWII First Names | 0 | - | 4.46 | 38,855 |
| WWII for Dummies | 0 | - | 4.76 | 92,668 |
| 20th Century Dates Quiz | 0 | - | 4.53 | 38,014 |
| Events in History #2 | 0 | - | 4.47 | 67,231 |
| Events in History #4 | 0 | - | 4.44 | 41,233 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.18 | 46,681 |
| Assassinations in History Quiz | 0 | - | 4.17 | 63,248 |
| Famous Seconds Quiz | 0 | - | 4.21 | 44,639 |
| Ages and Eras Quiz | 0 | - | 4.35 | 64,663 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.22 | 38,372 |
| Titled People Quiz #1 | 0 | - | 4.14 | 43,947 |
| Titled People Quiz #3 | 0 | - | 4.33 | 41,401 |
| Job Titles Quiz #1 | 0 | - | 4.23 | 73,666 |
| Historical Blunders | 0 | - | 4.32 | 86,985 |
| This Day in History - April | 0 | - | 4.42 | 43,400 |
| This Day in History - July | 0 | - | 4.48 | 35,176 |
| This Day in History - August | 0 | - | 4.41 | 41,889 |
| This Day in History - September | 0 | - | 4.55 | 55,066 |
| This Day in History - October | 0 | - | 4.49 | 36,372 |
| This Day in History - January | 0 | - | 4.53 | 44,613 |
| This Day in History - February | 0 | - | 4.41 | 38,485 |
| This Day in History - March | 0 | - | 4.44 | 42,062 |
| The 7 Wonders of the Ancient World | 0 | - | 4.79 | 65,715 |
| Ancient Civilizations | 0 | - | 4.56 | 34,784 |
| 2015 Year in Review | 0 | - | 4.04 | 25,110 |
| 2010 Year in Review | 0 | - | 4.00 | 48,535 |
| 2014 Year in Review | 0 | - | 4.40 | 30,741 |
| 2016 Year in Review | 0 | - | 3.90 | 32,377 |
| Quiz on the Year 1997 | 0 | - | 4.33 | 18,727 |
| Quiz on the Year 1998 | 0 | - | 4.29 | 15,119 |
| Quiz on the Year 2001 | 0 | - | 4.39 | 21,237 |
| 15th Century A-Z | 0 | - | 4.35 | 15,085 |
| 14th Century A-Z | 0 | - | 4.32 | 15,408 |
| Military History Vocabulary | 0 | - | 4.92 | 60,590 |
| The Places They Went #1 | 0 | - | 4.77 | 32,470 |
| Famous Inventors | 0 | - | 4.44 | 42,503 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.14 | 948,856 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.75 | 37,514 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.90 | 51,042 |
| Song Titles with Shared First Words #1 | 0 | - | 4.86 | 21,469 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,012,726 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 277,641 |
| Islands by Country #1 | 0 | - | 4.87 | 164,297 |
| Regions of Countries #1 | 0 | - | 4.96 | 150,252 |
| Regions of Countries #2 | 0 | - | 4.95 | 114,958 |
| Regions of Countries #3 | 0 | - | 4.84 | 84,122 |
| Famous People from South America | 0 | - | 4.13 | 19,291 |
| Conspiracy Theories – Mostly U.S. | 0 | - | 4.42 | 41,106 |
| Random Geographic Groups of Five | 0 | - | 4.94 | 100,819 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 164,530 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 78,745 |
| Top Five Countries By Category #2 | 0 | - | 4.92 | 158,458 |
| Top Five Countries By Category #3 | 0 | - | 4.86 | 143,902 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.82 | 48,106 |
| Top Five Countries By Fruit Production | 0 | - | 4.93 | 43,805 |
| The Only Country ... | 0 | - | 4.88 | 47,209 |
| Country Chain | 0 | - | 4.95 | 179,299 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 101,937 |
| Random Countries by Borders | 0 | - | 4.99 | 67,011 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 183,233 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 109,569 |
| Random Name a Valid Country | 0 | - | 4.99 | 171,865 |
| Random Point on Land to Country | 0 | - | 4.99 | 207,850 |
| Random Countries on a Topological Map | 0 | - | 4.94 | 42,871 |
| Eight Most Popular Berries | 0 | - | 4.42 | 89,263 |
| Top 20 Fruits Sold in the U.S. | 0 | - | 4.45 | 59,174 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 107,123 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 44,195 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 286,209 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 209,188 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 200,106 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 170,462 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 66,854 |
| Name a Valid Country #3 | 0 | - | 4.98 | 211,326 |
| Name a Valid Country #1 | 0 | - | 4.99 | 230,039 |
| Name a Valid Country #2 | 0 | - | 4.98 | 196,468 |
| Name a Valid Country #4 | 0 | - | 4.97 | 203,466 |
| Name a Valid Country #5 | 0 | - | 4.99 | 162,186 |
| Name a Valid Island Country | 0 | - | 4.96 | 103,589 |
| Name a Valid Country #6 | 0 | - | 4.92 | 89,893 |
| Name a Valid Country #7 | 0 | - | 4.90 | 88,409 |
| Name a Valid Country #8 | 0 | - | 4.94 | 58,346 |
