| Countries in World War I | 0 | - | 4.88 | 227,427 |
| WWII Decoder | 0 | - | 4.41 | 53,351 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,277 |
| WWII for Dummies | 0 | - | 4.80 | 104,379 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 85,367 |
| WWII Geography | 0 | - | 4.81 | 119,876 |
| WWII Figures by Picture | 0 | - | 4.89 | 63,961 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,131 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,601 |
| Countries in World War II | 0 | - | 4.54 | 908,442 |
| WWII First Names | 0 | - | 4.44 | 41,678 |
| World Leaders of the World Wars | 0 | - | 4.35 | 37,752 |
| Military History Vocabulary | 0 | - | 4.91 | 66,867 |
| Important Cities in WWII | 0 | - | 4.42 | 93,201 |
| Name the English Monarchs | 0 | - | 4.92 | 500,130 |
| WWII A-Z #1 | 0 | - | 4.78 | 102,678 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,491 |
| WWI... or WWII? | 0 | - | 4.85 | 141,415 |
| 7 Deadly Sins | 0 | - | 4.88 | 397,713 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,093,850 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,672 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,392 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 270,417 |
| Countries with NO Military | 0 | - | 4.97 | 61,611 |
| Cities Bombed During WWII | 0 | - | 4.08 | 30,041 |
| Countries by Percent WWII Deaths | 0 | - | 4.07 | 29,900 |
| Cold War Decoder | 0 | - | 4.83 | 52,119 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,785 |
| European History for Dummies | 0 | - | 4.83 | 89,582 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,769 |
| Popular Royal Names | 0 | - | 4.27 | 124,722 |
| First Names of Painters | 0 | - | 4.43 | 59,732 |
| Battle to Country | 0 | - | 4.91 | 52,917 |
| The Sun Quiz | 0 | - | 4.93 | 34,342 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,250 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,085 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,698 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,814 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,207 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,341 |
| History Analogies #1 | 0 | - | 4.53 | 89,856 |
| History Analogies #2 | 0 | - | 4.49 | 77,095 |
| History Analogies #3 | 0 | - | 4.61 | 80,539 |
| Random History by Country | 0 | - | 4.53 | 34,739 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,713 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,467 |
| WWII Movies by Plot | 0 | - | 4.21 | 27,027 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,792 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,646 |
| Name that Greek Letter | 0 | - | 4.93 | 322,551 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,687 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,470 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 112,299 |
| Name a Country A-Z | 0 | - | 5.00 | 241,763 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,828 |
| History General Knowledge #13 | 0 | - | 4.69 | 48,858 |
| 4-Letter History Chain #1 | 0 | - | 4.41 | 84,872 |
| 5-Letter History Chain #3 | 0 | - | 4.47 | 66,259 |
| 6-Letter History Chain #2 | 0 | - | 4.53 | 57,383 |
| 5-Letter History Chain #1 | 0 | - | 4.54 | 102,014 |
| World History Quiz for Dummies | 0 | - | 4.50 | 97,475 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,277 |
| The Trojan War | 0 | - | 4.83 | 39,568 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,170 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,083 |
| Quotes from Historical Figures #1 | 0 | - | 4.50 | 87,314 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,288 |
| Roman Emperors | 0 | - | 4.95 | 119,244 |
| History General Knowledge #1 | 0 | - | 4.55 | 127,784 |
| History General Knowledge #3 | 0 | - | 4.50 | 96,080 |
| History General Knowledge #6 | 0 | - | 4.49 | 88,710 |
| History General Knowledge #10 | 0 | - | 4.43 | 77,628 |
| History General Knowledge #11 | 0 | - | 4.45 | 72,389 |
| British History A-Z #1 | 0 | - | 4.45 | 46,303 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,494 |
| Groups of Things - History #1 | 0 | - | 4.41 | 93,859 |
| Groups of Things - History #2 | 0 | - | 4.39 | 79,187 |
| History Analogies #4 | 0 | - | 4.26 | 72,742 |
| History Groups of Two | 0 | - | 4.34 | 40,609 |
| Valid Answer - World History #2 | 0 | - | 4.38 | 46,873 |
| Wolfcam's Random History General Knowledge | 0 | - | 4.43 | 21,029 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,396 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,202 |
| Famous Dictators #1 | 0 | - | 4.69 | 199,200 |
| Historical Middle Names | 0 | - | 4.16 | 35,596 |
| People Who Were "The" Something | 0 | - | 4.25 | 155,435 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,408 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 228,982 |
| English Royal Consorts | 0 | - | 4.37 | 37,273 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,213 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,297 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,129 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,310 |
| Historical Rulers #1 | 0 | - | 4.35 | 118,666 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,148 |
| 5-Letter History Chain #2 | 0 | - | 4.25 | 68,867 |
| 6-Letter History Chain #1 | 0 | - | 4.28 | 69,905 |
| 4-Letter History Chain #2 | 0 | - | 4.35 | 58,155 |
| Empires by Maps | 0 | - | 4.98 | 119,327 |
| 4-Letter History Chain #3 | 0 | - | 4.38 | 60,167 |
| First Names of Explorers Quiz | 0 | - | 4.43 | 18,329 |
| Words for Leaders | 0 | - | 4.77 | 256,034 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 109,806 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,259 |
| Mythical Lands | 0 | - | 4.26 | 85,251 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,457 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 93,791 |
| Communist Countries in History | 0 | - | 4.63 | 493,918 |
| Saint in the Answers | 0 | - | 4.10 | 44,219 |
| First Name + Initial Quiz | 0 | - | 4.03 | 52,803 |
| Historical Figures Known by a Single Name #1 | 0 | - | 4.31 | 84,819 |
| Quotes from Historical Figures #2 | 0 | - | 4.36 | 42,620 |
| Ben Franklin Quotes | 0 | - | 4.45 | 25,765 |
| Famous Speeches from History | 0 | - | 4.16 | 33,586 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,232 |
| History General Knowledge #5 | 0 | - | 4.39 | 106,289 |
| History General Knowledge #7 | 0 | - | 4.35 | 88,323 |
| History General Knowledge #8 | 0 | - | 4.32 | 83,774 |
| History General Knowledge #9 | 0 | - | 4.40 | 79,684 |
| History General Knowledge #12 | 0 | - | 4.32 | 67,047 |
| History General Knowledge #2 | 0 | - | 4.32 | 112,709 |
| History General Knowledge #4 | 0 | - | 4.33 | 110,422 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,764 |
| German History A-Z | 0 | - | 4.49 | 24,518 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,604,372 |
| Books with Names in the Title #2 | 0 | - | 4.42 | 54,550 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,453 |
| Famous Lines of Poetry #2 | 0 | - | 4.55 | 18,466 |
| Character to Author #1 | 0 | - | 4.52 | 43,357 |
| Star Wars Decoder | 0 | - | 4.63 | 80,661 |
| Astronomy Decoder | 0 | - | 4.50 | 37,931 |
| U.S. Chain Restaurant Menu | 0 | - | 4.08 | 139,069 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.48 | 70,722 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 143,758 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,436 |
| Countries with U.S. Troops | 0 | - | 4.38 | 131,864 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 51,348 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,943 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,763 |
| Metals of Antiquity | 0 | - | 4.94 | 93,140 |
| History of The Netherlands | 0 | - | 4.46 | 17,361 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,426 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,803 |
| World Leaders Quiz #2 | 0 | - | 4.00 | 35,747 |
| UN Secretaries-General | 0 | - | 4.40 | 7,778 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,578 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 705,799 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,253 |
| Historical Middle Names - U.S. | 0 | - | 3.83 | 60,945 |
| Famous Mottos | 0 | - | 3.46 | 48,563 |
| Historical Misquotes | 0 | - | 4.39 | 26,644 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,630 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,789 |
| Roman Names for Places | 0 | - | 4.62 | 58,061 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,539 |
| Countries that Have Won the Most Battles | 0 | - | 4.02 | 39,458 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,035 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,049 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,895 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 40,850 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,115 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,676 |
| British Royal Titles | 0 | - | 4.18 | 19,911 |
| 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 | 24,395 |
| Books with Names in the Title #1 | 0 | - | 4.26 | 70,364 |
| Italian Name Translation | 0 | - | 4.81 | 45,946 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,263 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 110,297 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,349 |
| Book Titles with Shared First Words | 0 | - | 4.53 | 15,116 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,094,368 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,390 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,173 |
| Anagram Chain - Countries | 0 | - | 4.98 | 115,827 |
| Literary Quotes #2 | 0 | - | 4.18 | 24,335 |
| Geography Quiz for Dummies | 0 | - | 4.87 | 108,221 |
| Best-Selling Video Game Consoles | 0 | - | 4.81 | 272,031 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 745,204 |
| Disney Animated Characters | 0 | - | 4.88 | 600,300 |
| Character to Author #2 | 0 | - | 4.55 | 30,361 |
| Stores in the Mall #1 | 0 | - | 3.89 | 45,862 |
| Colors by Letter | 0 | - | 4.25 | 162,264 |
| Superhero Decoder | 0 | - | 4.36 | 54,480 |
| Sibling Actors | 0 | - | 4.12 | 47,490 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 236,313 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,092 |
| Cities by Wikipedia Descriptions #1 | 0 | - | 4.52 | 55,327 |
| Cities by Wikipedia Descriptions #3 | 0 | - | 4.58 | 47,658 |
| Countries with Four Letters | 0 | - | 4.99 | 420,351 |
| 4-Letter Geography Chain #1 | 0 | - | 4.81 | 169,607 |
| Random Symbol to Element | 0 | - | 4.88 | 92,529 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,747 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,316 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,861 |
| Name a Valid World City | 0 | - | 4.83 | 70,613 |
| Category Elimination - Cities | 0 | - | 4.25 | 40,956 |
| Countries but all Vowels are Changed to O | 0 | - | 4.93 | 68,666 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,856 |
