| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,525 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 85,543 |
| WWII Decoder | 0 | - | 4.41 | 53,423 |
| WWII Geography | 0 | - | 4.81 | 120,021 |
| WWII Figures by Picture | 0 | - | 4.89 | 64,813 |
| WWII for Dummies | 0 | - | 4.79 | 104,594 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,225 |
| Countries in World War I | 0 | - | 4.88 | 227,669 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,706 |
| Countries in World War II | 0 | - | 4.54 | 909,764 |
| World Leaders of the World Wars | 0 | - | 4.35 | 37,779 |
| Important Cities in WWII | 0 | - | 4.42 | 93,289 |
| WWII First Names | 0 | - | 4.44 | 41,716 |
| Military History Vocabulary | 0 | - | 4.91 | 66,957 |
| WWII A-Z #1 | 0 | - | 4.78 | 102,776 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,543 |
| Name the English Monarchs | 0 | - | 4.91 | 500,871 |
| Cities Bombed During WWII | 0 | - | 4.08 | 30,072 |
| Countries by Percent WWII Deaths | 0 | - | 4.07 | 29,935 |
| 7 Deadly Sins | 0 | - | 4.88 | 398,457 |
| WWII Movies by Plot | 0 | - | 4.21 | 27,045 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,094,941 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,299 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,971 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 271,207 |
| Countries with NO Military | 0 | - | 4.97 | 61,809 |
| Cold War Decoder | 0 | - | 4.83 | 52,198 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,922 |
| Battle to Country | 0 | - | 4.91 | 53,047 |
| European History for Dummies | 0 | - | 4.83 | 89,686 |
| The Sun Quiz | 0 | - | 4.93 | 34,418 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,658 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,349 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,110 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,197 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,517 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,552 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,975 |
| Popular Royal Names | 0 | - | 4.27 | 124,797 |
| First Names of Painters | 0 | - | 4.43 | 59,777 |
| History Analogies #1 | 0 | - | 4.53 | 89,893 |
| History Analogies #2 | 0 | - | 4.49 | 77,135 |
| Groups of Things - History #1 | 0 | - | 4.41 | 93,932 |
| History Analogies #3 | 0 | - | 4.61 | 80,577 |
| Random History by Country | 0 | - | 4.53 | 34,786 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,770 |
| People - Real or Fictional? | 0 | - | 4.56 | 58,697 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,506 |
| The Trojan War | 0 | - | 4.83 | 39,618 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,386 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,314 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,359 |
| Roman Emperors | 0 | - | 4.95 | 119,517 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,448 |
| Name that Greek Letter | 0 | - | 4.93 | 322,875 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,712 |
| British History A-Z #1 | 0 | - | 4.45 | 46,354 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,535 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 112,556 |
| Name a Country A-Z | 0 | - | 5.00 | 242,239 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 121,114 |
| Countries in a Penrose Tiling of the World Map | 0 | - | 4.95 | 56,451 |
| History General Knowledge #13 | 0 | - | 4.69 | 49,000 |
| 4-Letter History Chain #1 | 0 | - | 4.41 | 84,921 |
| 5-Letter History Chain #3 | 0 | - | 4.47 | 66,319 |
| 6-Letter History Chain #2 | 0 | - | 4.53 | 57,428 |
| 5-Letter History Chain #1 | 0 | - | 4.54 | 102,084 |
| World History Quiz for Dummies | 0 | - | 4.50 | 97,577 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,328 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,316 |
| WWI... or WWII? | 0 | - | 4.85 | 141,702 |
| Quotes from Historical Figures #1 | 0 | - | 4.50 | 87,384 |
| History General Knowledge #1 | 0 | - | 4.55 | 127,930 |
| History General Knowledge #3 | 0 | - | 4.50 | 96,162 |
| History General Knowledge #6 | 0 | - | 4.49 | 88,768 |
| History General Knowledge #10 | 0 | - | 4.43 | 77,701 |
| History General Knowledge #11 | 0 | - | 4.45 | 72,471 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,532 |
| Groups of Things - History #2 | 0 | - | 4.39 | 79,240 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,326 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,156 |
| History Analogies #4 | 0 | - | 4.26 | 72,805 |
| History Groups of Two | 0 | - | 4.34 | 40,637 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,349 |
| Historical Rulers #1 | 0 | - | 4.35 | 118,724 |
| 5-Letter History Chain #2 | 0 | - | 4.25 | 68,909 |
| 6-Letter History Chain #1 | 0 | - | 4.28 | 69,942 |
| 4-Letter History Chain #2 | 0 | - | 4.35 | 58,186 |
| 4-Letter History Chain #3 | 0 | - | 4.38 | 60,220 |
| Valid Answer - World History #2 | 0 | - | 4.38 | 46,956 |
| Wolfcam's Random History General Knowledge | 0 | - | 4.43 | 21,043 |
| First Names of Explorers Quiz | 0 | - | 4.43 | 18,348 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,646 |
| Words for Leaders | 0 | - | 4.77 | 256,537 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 109,878 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,230 |
| Famous Dictators #1 | 0 | - | 4.69 | 199,350 |
| Mythical Lands | 0 | - | 4.26 | 85,282 |
| Communist Countries in History | 0 | - | 4.63 | 494,492 |
| Historical Middle Names | 0 | - | 4.16 | 35,664 |
| Saint in the Answers | 0 | - | 4.10 | 44,245 |
| People Who Were "The" Something | 0 | - | 4.25 | 155,551 |
| First Name + Initial Quiz | 0 | - | 4.03 | 52,816 |
| Historical Figures Known by a Single Name #1 | 0 | - | 4.31 | 84,919 |
| Quotes from Historical Figures #2 | 0 | - | 4.36 | 42,655 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,446 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 229,094 |
| Ben Franklin Quotes | 0 | - | 4.45 | 25,771 |
| Famous Speeches from History | 0 | - | 4.16 | 33,605 |
| History General Knowledge #5 | 0 | - | 4.39 | 106,370 |
| History General Knowledge #7 | 0 | - | 4.35 | 88,386 |
| History General Knowledge #8 | 0 | - | 4.32 | 83,844 |
| History General Knowledge #9 | 0 | - | 4.40 | 79,753 |
| History General Knowledge #12 | 0 | - | 4.32 | 67,107 |
| History General Knowledge #2 | 0 | - | 4.32 | 112,788 |
| History General Knowledge #4 | 0 | - | 4.33 | 110,516 |
| English Royal Consorts | 0 | - | 4.37 | 37,296 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,789 |
| German History A-Z | 0 | - | 4.49 | 24,551 |
| Books with Names in the Title #2 | 0 | - | 4.42 | 54,585 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,229 |
| Astronomy Decoder | 0 | - | 4.50 | 37,967 |
| U.S. Chain Restaurant Menu | 0 | - | 4.08 | 139,105 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.48 | 70,825 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 143,969 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,517 |
| Eliminate Countries #1 - The Americas | 0 | - | 4.70 | 36,618 |
| Countries with U.S. Troops | 0 | - | 4.38 | 131,936 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 51,387 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,029 |
| Metals of Antiquity | 0 | - | 4.94 | 93,226 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,391 |
| Empires by Maps | 0 | - | 4.98 | 119,743 |
| History of The Netherlands | 0 | - | 4.46 | 17,388 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,523 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,977 |
| History - Did They Have It? | 0 | - | 4.84 | 61,599 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,331 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 706,260 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,536 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 93,865 |
| Historical Middle Names - U.S. | 0 | - | 3.83 | 60,991 |
| Famous Mottos | 0 | - | 3.46 | 48,575 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,289 |
| Countries that Have Won the Most Battles | 0 | - | 4.02 | 39,497 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,127 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,699 |
| British Royal Titles | 0 | - | 4.18 | 19,924 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,475 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,401 |
| French History A-Z | 0 | - | 4.23 | 24,493 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,609,894 |
| Books with Names in the Title #1 | 0 | - | 4.26 | 70,389 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,305 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,497 |
| Book Titles with Shared First Words | 0 | - | 4.53 | 15,143 |
| Famous Lines of Poetry #2 | 0 | - | 4.55 | 18,476 |
| Best-Selling Video Game Consoles | 0 | - | 4.82 | 272,826 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 745,807 |
| Character to Author #1 | 0 | - | 4.52 | 43,421 |
| Colors by Letter | 0 | - | 4.25 | 162,356 |
| Sibling Actors | 0 | - | 4.12 | 47,514 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,033 |
| Category Elimination - Cities | 0 | - | 4.25 | 41,006 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,826 |
| Former Flags | 0 | - | 4.97 | 107,362 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,100 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 31,831 |
| Historic Orient Express Routes Map | 0 | - | 4.99 | 53,326 |
| World Leaders Quiz #2 | 0 | - | 4.00 | 35,781 |
| UN Secretaries-General | 0 | - | 4.40 | 7,781 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,586 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,370 |
| Former Capitals | 0 | - | 4.88 | 71,334 |
| WWII True or False? | 0 | - | 4.56 | 57,349 |
| The American Civil War | 0 | - | 4.62 | 52,334 |
| Historical Misquotes | 0 | - | 4.39 | 26,652 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,665 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,829 |
| Roman Names for Places | 0 | - | 4.62 | 58,126 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,579 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,869 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,074 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,911 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 40,914 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,177 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,542 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,411 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 717,744 |
| Italian Name Translation | 0 | - | 4.81 | 46,212 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 110,447 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,368 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,096,429 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,759 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,507 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,028 |
| Literary Quotes #2 | 0 | - | 4.18 | 24,357 |
| Fruits: No Vowels | 0 | - | 4.81 | 99,235 |
| Geography Quiz for Dummies | 0 | - | 4.87 | 108,364 |
| Best-Selling Breakfast Cereals | 0 | - | 3.68 | 92,850 |
