| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,744 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 85,005 |
| WWII Decoder | 0 | - | 4.41 | 53,119 |
| WWII Geography | 0 | - | 4.81 | 119,534 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,717 |
| WWII for Dummies | 0 | - | 4.80 | 104,099 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 54,881 |
| Countries in World War I | 0 | - | 4.88 | 226,904 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,462 |
| Countries in World War II | 0 | - | 4.54 | 906,634 |
| World Leaders of the World Wars | 0 | - | 4.35 | 37,694 |
| Important Cities in WWII | 0 | - | 4.42 | 93,014 |
| WWII First Names | 0 | - | 4.44 | 41,613 |
| Military History Vocabulary | 0 | - | 4.91 | 66,755 |
| WWII A-Z #1 | 0 | - | 4.80 | 102,529 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,402 |
| Name the English Monarchs | 0 | - | 4.92 | 499,164 |
| Cities Bombed During WWII | 0 | - | 4.08 | 29,953 |
| Countries by Percent WWII Deaths | 0 | - | 4.07 | 29,818 |
| 7 Deadly Sins | 0 | - | 4.88 | 396,737 |
| WWII Movies by Plot | 0 | - | 4.21 | 26,984 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,092,460 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,826 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,739 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 269,459 |
| Countries with NO Military | 0 | - | 4.97 | 61,369 |
| Cold War Decoder | 0 | - | 4.83 | 52,046 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,616 |
| Battle to Country | 0 | - | 4.91 | 52,685 |
| European History for Dummies | 0 | - | 4.83 | 89,461 |
| The Sun Quiz | 0 | - | 4.93 | 34,246 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,741 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,771 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,136 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,309 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,786 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,072 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,538 |
| Popular Royal Names | 0 | - | 4.27 | 124,623 |
| First Names of Painters | 0 | - | 4.43 | 59,668 |
| History Analogies #1 | 0 | - | 4.53 | 89,823 |
| History Analogies #2 | 0 | - | 4.49 | 77,053 |
| History Analogies #3 | 0 | - | 4.61 | 80,495 |
| Random History by Country | 0 | - | 4.53 | 34,703 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,648 |
| People - Real or Fictional? | 0 | - | 4.56 | 58,562 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,420 |
| The Trojan War | 0 | - | 4.83 | 39,504 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,916 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,549 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,180 |
| Roman Emperors | 0 | - | 4.95 | 118,841 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,462 |
| Name that Greek Letter | 0 | - | 4.94 | 322,143 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,654 |
| British History A-Z #1 | 0 | - | 4.45 | 46,216 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,393 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 112,020 |
| Name a Country A-Z | 0 | - | 5.00 | 241,181 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,513 |
| Countries in a Penrose Tiling of the World Map | 0 | - | 4.95 | 56,168 |
| History General Knowledge #13 | 0 | - | 4.69 | 48,677 |
| 4-Letter History Chain #1 | 0 | - | 4.41 | 84,800 |
| 5-Letter History Chain #3 | 0 | - | 4.47 | 66,186 |
| 6-Letter History Chain #2 | 0 | - | 4.53 | 57,322 |
| 5-Letter History Chain #1 | 0 | - | 4.54 | 101,932 |
| World History Quiz for Dummies | 0 | - | 4.50 | 97,354 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,194 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,782 |
| WWI... or WWII? | 0 | - | 4.85 | 141,029 |
| Quotes from Historical Figures #1 | 0 | - | 4.50 | 87,198 |
| History General Knowledge #1 | 0 | - | 4.55 | 127,607 |
| History General Knowledge #3 | 0 | - | 4.50 | 95,951 |
| History General Knowledge #6 | 0 | - | 4.49 | 88,626 |
| History General Knowledge #10 | 0 | - | 4.43 | 77,537 |
| History General Knowledge #11 | 0 | - | 4.45 | 72,281 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,437 |
| Groups of Things - History #1 | 0 | - | 4.40 | 93,786 |
| Groups of Things - History #2 | 0 | - | 4.39 | 79,143 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,262 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,102 |
| History Analogies #4 | 0 | - | 4.26 | 72,674 |
| History Groups of Two | 0 | - | 4.34 | 40,581 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,268 |
| Historical Rulers #1 | 0 | - | 4.35 | 118,574 |
| 5-Letter History Chain #2 | 0 | - | 4.25 | 68,817 |
| 6-Letter History Chain #1 | 0 | - | 4.28 | 69,846 |
| 4-Letter History Chain #2 | 0 | - | 4.35 | 58,098 |
| 4-Letter History Chain #3 | 0 | - | 4.38 | 60,105 |
| Valid Answer - World History #2 | 0 | - | 4.38 | 46,781 |
| Wolfcam's Random History General Knowledge | 0 | - | 4.43 | 21,014 |
| First Names of Explorers Quiz | 0 | - | 4.43 | 18,297 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,174 |
| Words for Leaders | 0 | - | 4.77 | 255,645 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 109,738 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,159 |
| Famous Dictators #1 | 0 | - | 4.69 | 199,004 |
| Mythical Lands | 0 | - | 4.26 | 85,218 |
| Communist Countries in History | 0 | - | 4.63 | 493,331 |
| Historical Middle Names | 0 | - | 4.16 | 35,507 |
| Saint in the Answers | 0 | - | 4.10 | 44,198 |
| People Who Were "The" Something | 0 | - | 4.25 | 155,310 |
| First Name + Initial Quiz | 0 | - | 4.03 | 52,774 |
| Historical Figures Known by a Single Name #1 | 0 | - | 4.31 | 84,703 |
| Quotes from Historical Figures #2 | 0 | - | 4.36 | 42,563 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,334 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 228,804 |
| Ben Franklin Quotes | 0 | - | 4.45 | 25,755 |
| Famous Speeches from History | 0 | - | 4.16 | 33,549 |
| History General Knowledge #5 | 0 | - | 4.39 | 106,173 |
| History General Knowledge #7 | 0 | - | 4.35 | 88,225 |
| History General Knowledge #8 | 0 | - | 4.32 | 83,693 |
| History General Knowledge #9 | 0 | - | 4.40 | 79,600 |
| History General Knowledge #12 | 0 | - | 4.32 | 66,965 |
| History General Knowledge #2 | 0 | - | 4.32 | 112,585 |
| History General Knowledge #4 | 0 | - | 4.33 | 110,296 |
| English Royal Consorts | 0 | - | 4.37 | 37,235 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,726 |
| German History A-Z | 0 | - | 4.49 | 24,478 |
| Books with Names in the Title #2 | 0 | - | 4.42 | 54,514 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,181 |
| Astronomy Decoder | 0 | - | 4.50 | 37,897 |
| U.S. Chain Restaurant Menu | 0 | - | 4.08 | 139,029 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.47 | 70,610 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 143,493 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,345 |
| Eliminate Countries #1 - The Americas | 0 | - | 4.70 | 36,501 |
| Countries with U.S. Troops | 0 | - | 4.38 | 131,766 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 51,304 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,859 |
| Metals of Antiquity | 0 | - | 4.94 | 93,043 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,901 |
| Empires by Maps | 0 | - | 4.98 | 118,950 |
| History of The Netherlands | 0 | - | 4.46 | 17,347 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,318 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,400 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,191 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 705,130 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,357 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 93,681 |
| Historical Middle Names - U.S. | 0 | - | 3.83 | 60,893 |
| Famous Mottos | 0 | - | 3.46 | 48,528 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,170 |
| Countries that Have Won the Most Battles | 0 | - | 4.02 | 39,410 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,779 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,644 |
| British Royal Titles | 0 | - | 4.18 | 19,888 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,445 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,371 |
| French History A-Z | 0 | - | 4.22 | 24,175 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,596,698 |
| Books with Names in the Title #1 | 0 | - | 4.26 | 70,331 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,224 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,399 |
| Book Titles with Shared First Words | 0 | - | 4.52 | 15,080 |
| Famous Lines of Poetry #2 | 0 | - | 4.55 | 18,446 |
| Best-Selling Video Game Consoles | 0 | - | 4.81 | 270,951 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 744,248 |
| Character to Author #1 | 0 | - | 4.52 | 43,313 |
| Colors by Letter | 0 | - | 4.25 | 162,161 |
| Sibling Actors | 0 | - | 4.12 | 47,465 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,704 |
| Category Elimination - Cities | 0 | - | 4.25 | 40,905 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,554 |
| Former Flags | 0 | - | 4.97 | 106,960 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,044 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,664 |
| Historic Orient Express Routes Map | 0 | - | 5.00 | 53,139 |
| World Leaders Quiz #2 | 0 | - | 4.00 | 35,701 |
| UN Secretaries-General | 0 | - | 4.40 | 7,771 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,563 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,106 |
| Former Capitals | 0 | - | 4.88 | 71,223 |
| WWII True or False? | 0 | - | 4.56 | 57,159 |
| The American Civil War | 0 | - | 4.62 | 52,225 |
| Historical Misquotes | 0 | - | 4.39 | 26,633 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,588 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,741 |
| Roman Names for Places | 0 | - | 4.62 | 57,976 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,498 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,781 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,005 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,873 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 40,782 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 54,999 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,426 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,254 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 713,892 |
| Italian Name Translation | 0 | - | 4.81 | 45,586 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 110,153 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,310 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,091,824 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,825 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 116,699 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,547 |
| Literary Quotes #2 | 0 | - | 4.18 | 24,302 |
| Fruits: No Vowels | 0 | - | 4.81 | 98,866 |
| Geography Quiz for Dummies | 0 | - | 4.87 | 108,034 |
| Best-Selling Breakfast Cereals | 0 | - | 3.68 | 92,812 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 303,358 |
