| Europe Geography Decoder | 0 | - | 4.88 | 64,165 |
| Warsaw Pact Countries | 0 | - | 4.83 | 80,886 |
| Name a Valid Year in History | 0 | - | 4.92 | 54,880 |
| History Analogies #1 | 0 | - | 4.47 | 76,541 |
| History Analogies #2 | 0 | - | 4.51 | 64,966 |
| History Analogies #3 | 0 | - | 4.54 | 67,116 |
| Valid Answer - World History #2 | 0 | - | 4.42 | 40,101 |
| Random History by Country | 0 | - | 4.54 | 31,827 |
| Valid Answer - World History #1 | 0 | - | 4.58 | 57,026 |
| People - Real or Fictional? | 0 | - | 4.52 | 53,574 |
| Places - Real or Fictional? | 0 | - | 4.56 | 46,242 |
| First Names of Historical Figures #1 | 0 | - | 4.41 | 218,076 |
| "Second Best" History Edition | 0 | - | 4.94 | 48,176 |
| Normandy D-Day Beaches | 0 | - | 4.81 | 37,114 |
| Territory Changes in World War I | 0 | - | 4.87 | 40,979 |
| Famous Empires in History | 0 | - | 4.83 | 106,033 |
| 5-Letter History Chain #3 | 0 | - | 4.48 | 51,775 |
| 6-Letter History Chain #2 | 0 | - | 4.53 | 51,818 |
| 5-Letter History Chain #1 | 0 | - | 4.52 | 85,143 |
| World History Quiz for Dummies | 0 | - | 4.54 | 89,818 |
| Roman Provinces on a Map | 0 | - | 4.52 | 32,421 |
| Quotes from Historical Figures #1 | 0 | - | 4.48 | 82,916 |
| History General Knowledge #1 | 0 | - | 4.51 | 100,480 |
| History General Knowledge #3 | 0 | - | 4.48 | 76,803 |
| History General Knowledge #6 | 0 | - | 4.42 | 70,852 |
| History General Knowledge #10 | 0 | - | 4.44 | 62,807 |
| Groups of Things - History #1 | 0 | - | 4.37 | 87,440 |
| Groups of Things - History #2 | 0 | - | 4.38 | 75,199 |
| History Analogies #4 | 0 | - | 4.17 | 51,029 |
| History Groups of Two | 0 | - | 4.31 | 38,302 |
| Wolfcam's Random History General Knowledge | 0 | - | 4.43 | 19,721 |
| People Who Were "The" Something | 0 | - | 4.22 | 130,128 |
| First Names of Historical Figures #2 | 0 | - | 4.37 | 35,648 |
| Former Countries by Territory Map | 0 | - | 4.96 | 87,377 |
| Empires by Maps | 0 | - | 4.98 | 97,092 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 47,103 |
| European History for Dummies | 0 | - | 4.76 | 65,706 |
| Country Decoders #1 | 0 | - | 4.45 | 41,310 |
| History General Knowledge #13 | 0 | - | 4.68 | 25,412 |
| Metals of Antiquity | 0 | - | 4.93 | 86,296 |
| 4-Letter History Chain #1 | 0 | - | 4.40 | 78,788 |
| 5-Letter History Chain #2 | 0 | - | 4.34 | 58,624 |
| 6-Letter History Chain #1 | 0 | - | 4.31 | 64,128 |
| 4-Letter History Chain #2 | 0 | - | 4.31 | 53,107 |
| 4-Letter History Chain #3 | 0 | - | 4.34 | 48,403 |
| Animals in World History | 0 | - | 4.82 | 40,835 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 40,529 |
| History: What Came First? #1 | 0 | - | 4.84 | 92,649 |
| Mythical Lands | 0 | - | 4.24 | 82,056 |
| Hollywood Screen Legends Quiz | 0 | - | 4.04 | 33,841 |
| Space Exploration Trivia | 0 | - | 4.36 | 33,674 |
| Albert Einstein Quiz | 0 | - | 4.54 | 17,454 |
| WWI... or WWII? | 0 | - | 4.84 | 125,974 |
| Historical Middle Names #1 | 0 | - | 3.62 | 48,496 |
| Historical Middle Names #2 | 0 | - | 4.18 | 19,916 |
| Famous Mottos Quiz | 0 | - | 3.48 | 47,699 |
| Answers Contain "Saint" | 0 | - | 4.08 | 40,501 |
| First Name + Initial Quiz | 0 | - | 4.05 | 50,337 |
| One-Name Historical Figures Quiz #1 | 0 | - | 4.28 | 66,187 |
| Quotes from Historical Figures #2 | 0 | - | 4.39 | 40,199 |
| Historical Misquotes | 0 | - | 4.41 | 25,991 |
| Famous Speeches from History | 0 | - | 4.15 | 32,484 |
| History General Knowledge #5 | 0 | - | 4.34 | 85,078 |
| History General Knowledge #7 | 0 | - | 4.34 | 69,471 |
| History General Knowledge #8 | 0 | - | 4.32 | 66,287 |
| History General Knowledge #9 | 0 | - | 4.39 | 63,586 |
| History General Knowledge #12 | 0 | - | 4.30 | 50,139 |
| History General Knowledge #11 | 0 | - | 4.40 | 53,719 |
| History General Knowledge #2 | 0 | - | 4.27 | 92,804 |
| History General Knowledge #4 | 0 | - | 4.31 | 91,239 |
| Years in History #1 - Multiple Choice | 0 | - | 4.84 | 63,856 |
| Analogies of Countries #1 | 0 | - | 4.88 | 63,417 |
| Five Letter Geography #4 | 0 | - | 4.83 | 67,727 |
| Halloween Decoder | 0 | - | 4.20 | 43,667 |
| Christmas Decoder | 0 | - | 4.38 | 46,272 |
| Name a Valid Answer - Geography | 0 | - | 4.92 | 78,810 |
| Cradles of Civilization | 0 | - | 4.42 | 33,045 |
| Popular Royal Names | 0 | - | 4.27 | 117,629 |
| Materials From History #1 | 0 | - | 4.54 | 45,514 |
| Historical Countries by Ruler | 0 | - | 4.46 | 40,323 |
| Mythical Creatures Quiz #1 | 0 | - | 4.91 | 662,340 |
| Notable People of WWII | 0 | - | 4.53 | 81,015 |
| WWII Trivia #2 | 0 | - | 4.53 | 96,511 |
| 1960s Decade Quiz #2 | 0 | - | 4.44 | 42,044 |
| World War I Quiz | 0 | - | 4.79 | 93,809 |
| WWI A-Z | 0 | - | 4.48 | 35,783 |
| Biggest Nations and Empires Ever | 0 | - | 4.55 | 135,232 |
| Famous Explorers | 0 | - | 4.65 | 32,983 |
| Answers by Time Period | 0 | - | 4.50 | 43,056 |
| Territorial Accessions | 0 | - | 4.43 | 32,483 |
| First Names of Explorers Quiz | 0 | - | 4.40 | 16,401 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 146,395 |
| Ben Franklin Quotes Quiz | 0 | - | 4.38 | 21,264 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.96 | 37,169 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 49,339 |
| Top 10 Oldest African Countries | 0 | - | 4.84 | 23,530 |
| Combined Song Titles #1 | 0 | - | 4.82 | 80,466 |
| Songs that Start with the Same Word | 0 | - | 4.86 | 99,494 |
| Word Scramble - Countries | 0 | - | 4.87 | 1,947,438 |
| Solve the Secret Country #1 | 0 | - | 4.95 | 134,800 |
| Solve the Secret Country #2 | 0 | - | 4.90 | 92,177 |
| Anagram Chain - Countries | 0 | - | 4.99 | 99,456 |
| 7 Deadly Sins Quiz | 0 | - | 4.86 | 348,970 |
| Disney Animated Characters | 0 | - | 4.89 | 578,011 |
| Geography General Knowledge #12 | 0 | - | 4.81 | 99,788 |
| Geographic Groups of Two #1 | 0 | - | 4.98 | 222,505 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 389,038 |
| Countries with Four Letters | 0 | - | 4.99 | 378,557 |
| 4-Letter Geography Chain #1 | 0 | - | 4.84 | 155,565 |
| Random Symbol to Element | 0 | - | 4.87 | 84,004 |
| Animal Decoder | 0 | - | 4.02 | 14,590 |
| Countries but all Vowels are Changed to O | 0 | - | 4.85 | 37,930 |
| Solve the Secret Country #3 | 0 | - | 4.97 | 47,255 |
| Influential Women in History | 0 | - | 4.47 | 30,668 |
| Former Flags | 0 | - | 4.97 | 82,798 |
| Historical Events - AD or BC? | 0 | - | 4.74 | 52,777 |
| Materials From History #2 | 0 | - | 4.58 | 25,051 |
| First Names of Painters | 0 | - | 4.38 | 56,724 |
| WWII Trivia #1 | 0 | - | 4.36 | 164,656 |
| WWII Decoder | 0 | - | 4.44 | 49,395 |
| Name a Valid Answer - World War II | 0 | - | 4.51 | 48,890 |
| WWII True or False? | 0 | - | 4.55 | 51,993 |
| 1950s Decade Quiz | 0 | - | 4.37 | 46,912 |
| 1960s Decade Quiz #1 | 0 | - | 4.38 | 47,693 |
| 20th Century Dates Quiz | 0 | - | 4.53 | 38,090 |
| Events in History #2 | 0 | - | 4.47 | 67,500 |
| Events in History #4 | 0 | - | 4.44 | 41,413 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.18 | 46,812 |
| Assassinations in History Quiz | 0 | - | 4.17 | 63,378 |
| Famous Seconds Quiz | 0 | - | 4.21 | 44,725 |
| Ages and Eras Quiz | 0 | - | 4.35 | 64,807 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.22 | 38,413 |
| Titled People Quiz #1 | 0 | - | 4.14 | 44,011 |
| Titled People Quiz #3 | 0 | - | 4.33 | 41,474 |
| Job Titles Quiz #1 | 0 | - | 4.23 | 73,776 |
| Historical Blunders | 0 | - | 4.32 | 87,522 |
| This Day in History - April | 0 | - | 4.42 | 43,472 |
| This Day in History - July | 0 | - | 4.48 | 35,291 |
| This Day in History - August | 0 | - | 4.41 | 41,989 |
| This Day in History - September | 0 | - | 4.55 | 55,220 |
| This Day in History - October | 0 | - | 4.49 | 36,457 |
| This Day in History - January | 0 | - | 4.53 | 44,758 |
| This Day in History - February | 0 | - | 4.41 | 38,587 |
| This Day in History - March | 0 | - | 4.44 | 42,180 |
| The 7 Wonders of the Ancient World | 0 | - | 4.80 | 65,796 |
| Ancient Civilizations | 0 | - | 4.56 | 34,914 |
| The Places They Went #1 | 0 | - | 4.76 | 32,542 |
| Famous Inventors | 0 | - | 4.44 | 42,555 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 25,589 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.14 | 954,377 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,016,595 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 279,862 |
| Islands by Country #1 | 0 | - | 4.87 | 164,870 |
| Regions of Countries #1 | 0 | - | 4.96 | 150,759 |
| Regions of Countries #2 | 0 | - | 4.95 | 115,561 |
| Regions of Countries #3 | 0 | - | 4.84 | 84,425 |
| Conspiracy Theories – Mostly U.S. | 0 | - | 4.42 | 41,276 |
| Country Decoders #2 | 0 | - | 4.07 | 25,610 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 101,641 |
| Top Five Countries By Category #2 | 0 | - | 4.92 | 159,434 |
| Top Five Countries By Category #3 | 0 | - | 4.86 | 144,791 |
| Country Chain | 0 | - | 4.96 | 199,721 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 185,171 |
| Eight Most Popular Berries | 0 | - | 4.42 | 89,941 |
| Top 20 Fruits Sold in the U.S. | 0 | - | 4.45 | 59,788 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 44,592 |
| Name a Valid Country #3 | 0 | - | 4.98 | 213,438 |
| Name a Valid Country #1 | 0 | - | 4.99 | 232,628 |
| Name a Valid Country #2 | 0 | - | 4.98 | 198,862 |
| Name a Valid Country #4 | 0 | - | 4.97 | 206,100 |
| Name a Valid Country #5 | 0 | - | 4.99 | 164,209 |
| Name a Valid Country #6 | 0 | - | 4.94 | 103,281 |
| Name a Valid Country #7 | 0 | - | 4.90 | 90,338 |
| Name a Valid Country #8 | 0 | - | 4.94 | 60,246 |
| Name a Valid Country by Disputed Area | 0 | - | 4.81 | 35,992 |
| Random Name a Valid Bordering Country | 0 | - | 4.98 | 62,930 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 21,180 |
| Body Parts in History and Culture | 0 | - | 4.48 | 33,121 |
| Current Events by Year, 1990–2009 | 0 | - | 4.76 | 145,476 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 62,039 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 49,838 |
| People Born on Islands | 0 | - | 4.41 | 40,438 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.72 | 54,414 |
| Which Came First? | 0 | - | 4.35 | 69,879 |
| Years in History by Picture | 0 | - | 4.43 | 30,533 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 27,098 |
| History True or False #3 | 0 | - | 4.55 | 37,687 |
| World Leaders of the Cold War | 0 | - | 4.34 | 22,692 |
| A to Z: Legendary Creatures | 0 | - | 4.31 | 48,821 |
| WWII First Names | 0 | - | 4.46 | 39,006 |
| World War II Multiple Choice | 0 | - | 4.38 | 96,533 |
| WWII for Dummies | 0 | - | 4.76 | 93,382 |
| Events in History #3 | 0 | - | 4.35 | 68,170 |
| Events in History #1 | 0 | - | 4.32 | 150,641 |
| Events in Ancient History | 0 | - | 4.49 | 32,472 |
| People Who Died Young #1 | 0 | - | 4.24 | 61,927 |
| Deaths by Date and Cause #1 | 0 | - | 4.39 | 78,206 |
| Deaths by Date and Cause #2 | 0 | - | 4.04 | 50,381 |
| Famous Firsts #1 | 0 | - | 4.42 | 66,177 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 67,147 |
