| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,244 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 85,345 |
| WWII Geography | 0 | - | 4.81 | 119,862 |
| WWII Figures by Picture | 0 | - | 4.89 | 63,752 |
| WWII for Dummies | 0 | - | 4.80 | 104,356 |
| Countries in World War I | 0 | - | 4.88 | 227,393 |
| Countries in World War II | 0 | - | 4.54 | 908,277 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,119 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,587 |
| World Leaders of the World Wars | 0 | - | 4.35 | 37,747 |
| Important Cities in WWII | 0 | - | 4.42 | 93,188 |
| WWII First Names | 0 | - | 4.44 | 41,675 |
| Military History Vocabulary | 0 | - | 4.91 | 66,851 |
| WWII A-Z #1 | 0 | - | 4.80 | 102,671 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,485 |
| Name the English Monarchs | 0 | - | 4.92 | 500,032 |
| Cities Bombed During WWII | 0 | - | 4.08 | 30,037 |
| Countries by Percent WWII Deaths | 0 | - | 4.07 | 29,894 |
| 7 Deadly Sins | 0 | - | 4.88 | 397,615 |
| WWII Movies by Plot | 0 | - | 4.21 | 27,026 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,093,725 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,584 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,309 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 270,302 |
| Countries with NO Military | 0 | - | 4.97 | 61,579 |
| Cold War Decoder | 0 | - | 4.83 | 52,111 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,751 |
| European History for Dummies | 0 | - | 4.83 | 89,566 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,742 |
| Popular Royal Names | 0 | - | 4.27 | 124,706 |
| First Names of Painters | 0 | - | 4.43 | 59,728 |
| Battle to Country | 0 | - | 4.91 | 52,893 |
| The Sun Quiz | 0 | - | 4.93 | 34,331 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,184 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,050 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,636 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,770 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,163 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,317 |
| History Analogies #1 | 0 | - | 4.53 | 89,851 |
| History Analogies #2 | 0 | - | 4.49 | 77,092 |
| History Analogies #3 | 0 | - | 4.61 | 80,534 |
| Random History by Country | 0 | - | 4.53 | 34,736 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,709 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,464 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,760 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,502 |
| Name that Greek Letter | 0 | - | 4.93 | 322,509 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,682 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,461 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 112,262 |
| Name a Country A-Z | 0 | - | 5.00 | 241,699 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,791 |
| History General Knowledge #13 | 0 | - | 4.69 | 48,838 |
| 4-Letter History Chain #1 | 0 | - | 4.41 | 84,861 |
| 5-Letter History Chain #3 | 0 | - | 4.47 | 66,252 |
| 6-Letter History Chain #2 | 0 | - | 4.53 | 57,378 |
| 5-Letter History Chain #1 | 0 | - | 4.54 | 102,005 |
| World History Quiz for Dummies | 0 | - | 4.50 | 97,461 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,275 |
| The Trojan War | 0 | - | 4.83 | 39,559 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,143 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,044 |
| WWI... or WWII? | 0 | - | 4.85 | 141,387 |
| Quotes from Historical Figures #1 | 0 | - | 4.50 | 87,302 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,272 |
| Roman Emperors | 0 | - | 4.95 | 119,222 |
| History General Knowledge #1 | 0 | - | 4.55 | 127,761 |
| History General Knowledge #3 | 0 | - | 4.50 | 96,062 |
| History General Knowledge #6 | 0 | - | 4.49 | 88,698 |
| History General Knowledge #10 | 0 | - | 4.43 | 77,618 |
| History General Knowledge #11 | 0 | - | 4.45 | 72,375 |
| British History A-Z #1 | 0 | - | 4.45 | 46,295 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,489 |
| Groups of Things - History #1 | 0 | - | 4.40 | 93,850 |
| Groups of Things - History #2 | 0 | - | 4.39 | 79,186 |
| History Analogies #4 | 0 | - | 4.26 | 72,731 |
| History Groups of Two | 0 | - | 4.34 | 40,604 |
| Valid Answer - World History #2 | 0 | - | 4.38 | 46,864 |
| Wolfcam's Random History General Knowledge | 0 | - | 4.43 | 21,028 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,377 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,199 |
| Famous Dictators #1 | 0 | - | 4.69 | 199,182 |
| Historical Middle Names | 0 | - | 4.16 | 35,578 |
| People Who Were "The" Something | 0 | - | 4.25 | 155,421 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,393 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 228,955 |
| English Royal Consorts | 0 | - | 4.37 | 37,266 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,208 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,292 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,126 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,309 |
| Historical Rulers #1 | 0 | - | 4.35 | 118,656 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,123 |
| 5-Letter History Chain #2 | 0 | - | 4.25 | 68,858 |
| 6-Letter History Chain #1 | 0 | - | 4.28 | 69,900 |
| 4-Letter History Chain #2 | 0 | - | 4.35 | 58,147 |
| Empires by Maps | 0 | - | 4.98 | 119,286 |
| 4-Letter History Chain #3 | 0 | - | 4.38 | 60,158 |
| First Names of Explorers Quiz | 0 | - | 4.43 | 18,324 |
| Words for Leaders | 0 | - | 4.77 | 255,978 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 109,794 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,254 |
| Mythical Lands | 0 | - | 4.26 | 85,249 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,446 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 93,773 |
| Communist Countries in History | 0 | - | 4.63 | 493,857 |
| Saint in the Answers | 0 | - | 4.10 | 44,217 |
| First Name + Initial Quiz | 0 | - | 4.03 | 52,798 |
| Historical Figures Known by a Single Name #1 | 0 | - | 4.31 | 84,805 |
| Quotes from Historical Figures #2 | 0 | - | 4.36 | 42,615 |
| Ben Franklin Quotes | 0 | - | 4.45 | 25,764 |
| Famous Speeches from History | 0 | - | 4.16 | 33,582 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,226 |
| History General Knowledge #5 | 0 | - | 4.39 | 106,272 |
| History General Knowledge #7 | 0 | - | 4.35 | 88,313 |
| History General Knowledge #8 | 0 | - | 4.32 | 83,764 |
| History General Knowledge #9 | 0 | - | 4.40 | 79,671 |
| History General Knowledge #12 | 0 | - | 4.32 | 67,033 |
| History General Knowledge #2 | 0 | - | 4.32 | 112,698 |
| History General Knowledge #4 | 0 | - | 4.33 | 110,408 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,754 |
| German History A-Z | 0 | - | 4.49 | 24,514 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,603,566 |
| Books with Names in the Title #2 | 0 | - | 4.42 | 54,543 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,445 |
| Famous Lines of Poetry #2 | 0 | - | 4.55 | 18,463 |
| Character to Author #1 | 0 | - | 4.52 | 43,351 |
| Star Wars Decoder | 0 | - | 4.63 | 80,641 |
| Astronomy Decoder | 0 | - | 4.50 | 37,925 |
| U.S. Chain Restaurant Menu | 0 | - | 4.08 | 139,067 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.48 | 70,711 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 143,734 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,427 |
| Countries with U.S. Troops | 0 | - | 4.38 | 131,860 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 51,343 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,934 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,755 |
| Metals of Antiquity | 0 | - | 4.94 | 93,118 |
| History of The Netherlands | 0 | - | 4.46 | 17,357 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,415 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,775 |
| World Leaders Quiz #2 | 0 | - | 4.00 | 35,743 |
| UN Secretaries-General | 0 | - | 4.40 | 7,778 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,575 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 705,724 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,240 |
| Historical Middle Names - U.S. | 0 | - | 3.83 | 60,941 |
| Famous Mottos | 0 | - | 3.46 | 48,560 |
| Historical Misquotes | 0 | - | 4.39 | 26,643 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,622 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,783 |
| Roman Names for Places | 0 | - | 4.62 | 58,047 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,537 |
| Countries that Have Won the Most Battles | 0 | - | 4.02 | 39,451 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,025 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,045 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,893 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 40,843 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,104 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,669 |
| British Royal Titles | 0 | - | 4.18 | 19,908 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,461 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,386 |
| French History A-Z | 0 | - | 4.22 | 24,379 |
| Books with Names in the Title #1 | 0 | - | 4.26 | 70,361 |
| Italian Name Translation | 0 | - | 4.81 | 45,877 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,261 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 110,288 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,342 |
| Book Titles with Shared First Words | 0 | - | 4.53 | 15,113 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,094,151 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,333 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,133 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,802 |
| Literary Quotes #2 | 0 | - | 4.18 | 24,333 |
| Geography Quiz for Dummies | 0 | - | 4.87 | 108,197 |
| Best-Selling Video Game Consoles | 0 | - | 4.81 | 271,866 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 745,144 |
| Disney Animated Characters | 0 | - | 4.88 | 600,229 |
| Character to Author #2 | 0 | - | 4.55 | 30,356 |
| Stores in the Mall #1 | 0 | - | 3.89 | 45,862 |
| Colors by Letter | 0 | - | 4.25 | 162,260 |
| Superhero Decoder | 0 | - | 4.36 | 54,475 |
| Sibling Actors | 0 | - | 4.12 | 47,485 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 236,273 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,006 |
| Cities by Wikipedia Descriptions #1 | 0 | - | 4.52 | 55,318 |
| Cities by Wikipedia Descriptions #3 | 0 | - | 4.58 | 47,654 |
| Countries with Four Letters | 0 | - | 4.99 | 420,261 |
| 4-Letter Geography Chain #1 | 0 | - | 4.81 | 169,597 |
| Random Symbol to Element | 0 | - | 4.88 | 92,507 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,740 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,307 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,847 |
| Name a Valid World City | 0 | - | 4.83 | 70,585 |
| Category Elimination - Cities | 0 | - | 4.25 | 40,948 |
| Countries but all Vowels are Changed to O | 0 | - | 4.93 | 68,636 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,816 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,390 |
