| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,076 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 85,227 |
| WWII Decoder | 0 | - | 4.41 | 53,280 |
| WWII Geography | 0 | - | 4.81 | 119,757 |
| WWII Figures by Picture | 0 | - | 4.89 | 61,789 |
| WWII for Dummies | 0 | - | 4.80 | 104,264 |
| Countries in World War I | 0 | - | 4.88 | 227,271 |
| Countries in World War II | 0 | - | 4.54 | 907,687 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,054 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,538 |
| World Leaders of the World Wars | 0 | - | 4.35 | 37,730 |
| Important Cities in WWII | 0 | - | 4.42 | 93,142 |
| WWII First Names | 0 | - | 4.44 | 41,663 |
| Military History Vocabulary | 0 | - | 4.91 | 66,816 |
| WWII A-Z #1 | 0 | - | 4.80 | 102,615 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,455 |
| Name the English Monarchs | 0 | - | 4.92 | 499,668 |
| Cities Bombed During WWII | 0 | - | 4.08 | 30,017 |
| Countries by Percent WWII Deaths | 0 | - | 4.07 | 29,869 |
| 7 Deadly Sins | 0 | - | 4.88 | 397,250 |
| WWII Movies by Plot | 0 | - | 4.21 | 27,017 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,093,219 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,253 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,067 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 269,927 |
| Countries with NO Military | 0 | - | 4.97 | 61,491 |
| Cold War Decoder | 0 | - | 4.83 | 52,089 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,685 |
| European History for Dummies | 0 | - | 4.83 | 89,536 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,659 |
| Popular Royal Names | 0 | - | 4.27 | 124,666 |
| First Names of Painters | 0 | - | 4.43 | 59,713 |
| Battle to Country | 0 | - | 4.91 | 52,825 |
| The Sun Quiz | 0 | - | 4.93 | 34,293 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,014 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,941 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,455 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,596 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,005 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,228 |
| History Analogies #1 | 0 | - | 4.53 | 89,840 |
| History Analogies #2 | 0 | - | 4.49 | 77,070 |
| History Analogies #3 | 0 | - | 4.61 | 80,515 |
| Random History by Country | 0 | - | 4.53 | 34,724 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,681 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,444 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,652 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,088 |
| Name that Greek Letter | 0 | - | 4.93 | 322,339 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,674 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,438 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 112,167 |
| Name a Country A-Z | 0 | - | 5.00 | 241,472 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,694 |
| History General Knowledge #13 | 0 | - | 4.69 | 48,770 |
| 4-Letter History Chain #1 | 0 | - | 4.41 | 84,840 |
| 5-Letter History Chain #3 | 0 | - | 4.47 | 66,223 |
| 6-Letter History Chain #2 | 0 | - | 4.53 | 57,354 |
| 5-Letter History Chain #1 | 0 | - | 4.54 | 101,976 |
| World History Quiz for Dummies | 0 | - | 4.50 | 97,412 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,244 |
| The Trojan War | 0 | - | 4.83 | 39,536 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,047 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,947 |
| WWI... or WWII? | 0 | - | 4.85 | 141,267 |
| Quotes from Historical Figures #1 | 0 | - | 4.50 | 87,264 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,230 |
| Roman Emperors | 0 | - | 4.95 | 119,054 |
| History General Knowledge #1 | 0 | - | 4.55 | 127,696 |
| History General Knowledge #3 | 0 | - | 4.50 | 96,016 |
| History General Knowledge #6 | 0 | - | 4.49 | 88,665 |
| History General Knowledge #10 | 0 | - | 4.43 | 77,587 |
| History General Knowledge #11 | 0 | - | 4.45 | 72,342 |
| British History A-Z #1 | 0 | - | 4.45 | 46,270 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,472 |
| Groups of Things - History #1 | 0 | - | 4.40 | 93,821 |
| Groups of Things - History #2 | 0 | - | 4.39 | 79,167 |
| History Analogies #4 | 0 | - | 4.26 | 72,702 |
| History Groups of Two | 0 | - | 4.34 | 40,594 |
| Valid Answer - World History #2 | 0 | - | 4.38 | 46,830 |
| Wolfcam's Random History General Knowledge | 0 | - | 4.43 | 21,024 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,275 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,185 |
| Famous Dictators #1 | 0 | - | 4.69 | 199,117 |
| Historical Middle Names | 0 | - | 4.16 | 35,543 |
| People Who Were "The" Something | 0 | - | 4.25 | 155,380 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,365 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 228,884 |
| English Royal Consorts | 0 | - | 4.37 | 37,251 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,199 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,279 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,113 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,289 |
| Historical Rulers #1 | 0 | - | 4.35 | 118,619 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,026 |
| 5-Letter History Chain #2 | 0 | - | 4.25 | 68,843 |
| 6-Letter History Chain #1 | 0 | - | 4.28 | 69,874 |
| 4-Letter History Chain #2 | 0 | - | 4.35 | 58,125 |
| Empires by Maps | 0 | - | 4.98 | 119,146 |
| 4-Letter History Chain #3 | 0 | - | 4.38 | 60,139 |
| First Names of Explorers Quiz | 0 | - | 4.43 | 18,315 |
| Words for Leaders | 0 | - | 4.77 | 255,837 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 109,773 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,228 |
| Mythical Lands | 0 | - | 4.26 | 85,234 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,411 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 93,742 |
| Communist Countries in History | 0 | - | 4.63 | 493,638 |
| Saint in the Answers | 0 | - | 4.10 | 44,210 |
| First Name + Initial Quiz | 0 | - | 4.03 | 52,785 |
| Historical Figures Known by a Single Name #1 | 0 | - | 4.31 | 84,764 |
| Quotes from Historical Figures #2 | 0 | - | 4.36 | 42,591 |
| Ben Franklin Quotes | 0 | - | 4.45 | 25,761 |
| Famous Speeches from History | 0 | - | 4.16 | 33,563 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,199 |
| History General Knowledge #5 | 0 | - | 4.39 | 106,230 |
| History General Knowledge #7 | 0 | - | 4.35 | 88,276 |
| History General Knowledge #8 | 0 | - | 4.32 | 83,736 |
| History General Knowledge #9 | 0 | - | 4.40 | 79,643 |
| History General Knowledge #12 | 0 | - | 4.32 | 67,014 |
| History General Knowledge #2 | 0 | - | 4.32 | 112,653 |
| History General Knowledge #4 | 0 | - | 4.33 | 110,362 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,744 |
| German History A-Z | 0 | - | 4.49 | 24,496 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,600,813 |
| Books with Names in the Title #2 | 0 | - | 4.42 | 54,528 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,426 |
| Famous Lines of Poetry #2 | 0 | - | 4.55 | 18,459 |
| Character to Author #1 | 0 | - | 4.52 | 43,333 |
| Astronomy Decoder | 0 | - | 4.50 | 37,912 |
| U.S. Chain Restaurant Menu | 0 | - | 4.08 | 139,053 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.47 | 70,668 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 143,649 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,394 |
| Countries with U.S. Troops | 0 | - | 4.38 | 131,818 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 51,328 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,916 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,719 |
| Metals of Antiquity | 0 | - | 4.94 | 93,092 |
| History of The Netherlands | 0 | - | 4.46 | 17,352 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,380 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,525 |
| World Leaders Quiz #2 | 0 | - | 4.00 | 35,730 |
| UN Secretaries-General | 0 | - | 4.40 | 7,773 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,569 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 705,448 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,186 |
| Historical Middle Names - U.S. | 0 | - | 3.83 | 60,921 |
| Famous Mottos | 0 | - | 3.46 | 48,550 |
| Historical Misquotes | 0 | - | 4.39 | 26,637 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,606 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,760 |
| Roman Names for Places | 0 | - | 4.62 | 58,019 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,518 |
| Countries that Have Won the Most Battles | 0 | - | 4.02 | 39,436 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,845 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,028 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,884 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 40,816 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,055 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,657 |
| British Royal Titles | 0 | - | 4.18 | 19,900 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,454 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,381 |
| French History A-Z | 0 | - | 4.22 | 24,328 |
| Books with Names in the Title #1 | 0 | - | 4.26 | 70,344 |
| Italian Name Translation | 0 | - | 4.81 | 45,726 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,250 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 110,236 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,328 |
| Book Titles with Shared First Words | 0 | - | 4.52 | 15,097 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,093,201 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,151 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 116,977 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,703 |
| Literary Quotes #2 | 0 | - | 4.18 | 24,323 |
| Geography Quiz for Dummies | 0 | - | 4.87 | 108,124 |
| Best-Selling Video Game Consoles | 0 | - | 4.81 | 271,508 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 744,819 |
| Disney Animated Characters | 0 | - | 4.88 | 600,056 |
| Character to Author #2 | 0 | - | 4.55 | 30,345 |
| Stores in the Mall #1 | 0 | - | 3.89 | 45,857 |
| Colors by Letter | 0 | - | 4.25 | 162,228 |
| Sibling Actors | 0 | - | 4.12 | 47,471 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 236,210 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,741 |
| Cities by Wikipedia Descriptions #1 | 0 | - | 4.52 | 55,301 |
| Cities by Wikipedia Descriptions #3 | 0 | - | 4.58 | 47,648 |
| Countries with Four Letters | 0 | - | 4.99 | 419,944 |
| 4-Letter Geography Chain #1 | 0 | - | 4.81 | 169,539 |
| Random Symbol to Element | 0 | - | 4.88 | 92,460 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,714 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,278 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,792 |
| Name a Valid World City | 0 | - | 4.83 | 70,471 |
| Category Elimination - Cities | 0 | - | 4.25 | 40,929 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 68,505 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,711 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,278 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,111 |
