| Normandy D-Day Beaches | 0 | - | 4.81 | 36,644 |
| WWII Geography | 0 | - | 4.81 | 99,563 |
| WWII Figures by Picture | 0 | - | 4.88 | 40,502 |
| Territory Changes in World War I | 0 | - | 4.87 | 40,332 |
| Notable People of WWII | 0 | - | 4.52 | 80,123 |
| WWII Trivia #2 | 0 | - | 4.50 | 86,721 |
| WWI... or WWII? | 0 | - | 4.84 | 123,604 |
| Military History Vocabulary | 0 | - | 4.92 | 60,208 |
| WWII Trivia #1 | 0 | - | 4.36 | 162,055 |
| World War I Quiz | 0 | - | 4.79 | 92,829 |
| WWI A-Z | 0 | - | 4.48 | 35,419 |
| World War II Multiple Choice | 0 | - | 4.38 | 95,432 |
| Name a Valid Answer - World War II | 0 | - | 4.51 | 47,826 |
| WWII Movies | 0 | - | 4.19 | 25,703 |
| WWII A-Z #1 | 0 | - | 4.80 | 93,423 |
| WWII A-Z #2 | 0 | - | 4.48 | 50,032 |
| WWII Decoder | 0 | - | 4.44 | 48,882 |
| Invasions | 0 | - | 4.71 | 89,533 |
| Famous Battles Quiz | 0 | - | 4.25 | 46,665 |
| Name the War Quiz | 0 | - | 4.39 | 190,168 |
| Famous U.S. Generals | 0 | - | 4.25 | 36,979 |
| Names for Warriors | 0 | - | 4.40 | 34,577 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 226,277 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 217,984 |
| Countries with NO Military | 0 | - | 4.97 | 49,585 |
| Top Arms Exporting Countries | 0 | - | 4.95 | 76,578 |
| Countries with the Most Tanks | 0 | - | 4.90 | 75,522 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 13,501 |
| Military History A-Z | 0 | - | 4.21 | 19,554 |
| Most Powerful Countries Bordering Each Other | 0 | - | 4.84 | 49,259 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 66,311 |
| "Second Best" History Edition | 0 | - | 4.94 | 46,560 |
| G7 Leaders Since 2003 | 0 | - | 4.46 | 38,566 |
| Famous Empires in History | 0 | - | 4.83 | 103,597 |
| People Who Died in Battle | 0 | - | 4.31 | 21,428 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.82 | 9,936 |
| Top Arms Importing Countries | 0 | - | 4.72 | 55,302 |
| World Leaders of the Cold War | 0 | - | 4.34 | 22,446 |
| Famous Dictators Quiz #1 | 0 | - | 4.79 | 183,538 |
| Art Works Picture Quiz #1 | 0 | - | 4.50 | 96,840 |
| Art Works Picture Quiz #2 | 0 | - | 4.46 | 86,345 |
| WWII for Dummies | 0 | - | 4.76 | 91,881 |
| Religions by Country of Origin Quiz | 0 | - | 4.29 | 72,705 |
| U.S. Military Acronyms | 0 | - | 4.38 | 86,547 |
| Historical Leaders by Date #1 | 0 | - | 4.50 | 28,290 |
| Historical Leaders by Date #2 | 0 | - | 4.54 | 27,194 |
| Historical Rulers #2 | 0 | - | 4.26 | 43,196 |
| Historical Rulers #1 | 0 | - | 4.32 | 111,456 |
| Former Countries by Territory Map | 0 | - | 4.97 | 85,943 |
| Empires by Maps | 0 | - | 4.98 | 94,681 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 101,906 |
| Hollywood Screen Legends Quiz | 0 | - | 4.02 | 33,724 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 46,516 |
| Countries with U.S. Troops | 0 | - | 4.39 | 125,568 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 48,174 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 33,489 |
| 100 Most Common English Words | 0 | - | 4.90 | 1,172,073 |
| Google What's the Difference? - History | 0 | - | 4.21 | 43,517 |
| Metals of Antiquity | 0 | - | 4.94 | 85,495 |
| Popular Royal Names | 0 | - | 4.25 | 116,167 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 39,884 |
| History: What Came First? #1 | 0 | - | 4.82 | 91,233 |
| Famous Dictators Quiz #2 | 0 | - | 4.34 | 79,894 |
| Mythical Creatures Quiz #1 | 0 | - | 4.91 | 656,554 |
| Art Works Picture Quiz #3 | 0 | - | 4.39 | 41,243 |
| 1960s Decade Quiz #2 | 0 | - | 4.44 | 41,677 |
| Years in History #1 - Multiple Choice | 0 | - | 4.83 | 62,981 |
| Wives of King Henry VIII | 0 | - | 4.53 | 44,655 |
| Countries the UK Declared War On | 0 | - | 4.58 | 112,453 |
| Geography of the British Empire | 0 | - | 4.50 | 37,078 |
| Weapons by Picture | 0 | - | 4.06 | 19,147 |
| Most Common English Verbs - Extreme | 0 | - | 4.95 | 137,015 |
| Cradles of Civilization | 0 | - | 4.41 | 32,376 |
| History of The Netherlands | 0 | - | 4.42 | 15,787 |
| Materials From History #1 | 0 | - | 4.54 | 44,982 |
| World Leaders Quiz #2 | 0 | - | 4.01 | 25,030 |
| UN Secretaries-General | 0 | - | 4.40 | 7,131 |
| First Names of Painters | 0 | - | 4.38 | 56,358 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 144,870 |
| 1960s Decade Quiz #1 | 0 | - | 4.38 | 47,396 |
| Biggest Nations and Empires Ever | 0 | - | 4.55 | 133,857 |
| Famous Explorers | 0 | - | 4.71 | 32,710 |
| Answers by Time Period | 0 | - | 4.49 | 42,679 |
| Territorial Accessions | 0 | - | 4.43 | 32,253 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,457 |
| Countries Italy Declared War On | 0 | - | 4.79 | 39,997 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 24,781 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.76 | 19,008 |
| Medieval English History | 0 | - | 4.52 | 40,838 |
| History of Germany Quiz | 0 | - | 4.35 | 40,191 |
| Most Important People in History | 0 | - | 3.97 | 46,428 |
| Fictional Military Characters Quiz | 0 | - | 4.24 | 18,896 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 124,735 |
| Countries with the Least Dense Road Networks | 0 | - | 4.82 | 38,212 |
| Monarchies of the World | 0 | - | 4.93 | 153,012 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 81,705 |
| Countries where the Sea Freezes | 0 | - | 4.91 | 81,431 |
| Largest Countries Without Deserts | 0 | - | 4.86 | 66,327 |
| Disney Animated Characters | 0 | - | 4.89 | 575,275 |
| All Disney Animated Movies | 0 | - | 4.82 | 386,488 |
| Countries by Number of Books Published | 0 | - | 4.95 | 63,783 |
| Fast Math - Addition | 0 | - | 4.82 | 479,563 |
| Fast Math - Double That Number! | 0 | - | 4.81 | 548,978 |
| NATO Countries Quiz | 0 | - | 4.98 | 226,058 |
| EU Countries Quiz | 0 | - | 4.99 | 228,395 |
| Top Five Countries by Religion | 0 | - | 4.90 | 142,382 |
| 7 Deadly Sins Quiz | 0 | - | 4.86 | 346,538 |
| Books of the Protestant Bible Quiz | 0 | - | 4.87 | 180,252 |
| Astronomy Quiz | 0 | - | 4.87 | 64,481 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 116,898 |
| Solar System Trivia | 0 | - | 4.95 | 38,565 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.90 | 57,962 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.86 | 91,408 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 107,613 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 128,644 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.89 | 75,473 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 109,468 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 66,483 |
| Influential Women in History | 0 | - | 4.47 | 30,488 |
| Former Flags | 0 | - | 4.98 | 81,647 |
| Ancient Greece A-Z | 0 | - | 4.65 | 20,784 |
| Historical Events - AD or BC? | 0 | - | 4.76 | 52,154 |
| Materials From History #2 | 0 | - | 4.58 | 24,896 |
| States of the German Confederation in 1848 | 0 | - | 4.83 | 26,592 |
| Former Capitals Quiz | 0 | - | 4.81 | 58,060 |
| Warsaw Pact Countries | 0 | - | 4.84 | 80,242 |
| 20th Century Dates Quiz | 0 | - | 4.53 | 37,930 |
| Events in History #2 | 0 | - | 4.47 | 66,970 |
| Events in History #4 | 0 | - | 4.43 | 41,049 |
| Name a Valid Year in History | 0 | - | 4.92 | 53,275 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.18 | 46,558 |
| Assassinations in History Quiz | 0 | - | 4.17 | 63,140 |
| Famous Seconds Quiz | 0 | - | 4.21 | 44,594 |
| Ages and Eras Quiz | 0 | - | 4.36 | 64,528 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.22 | 38,337 |
| Titled People Quiz #1 | 0 | - | 4.14 | 43,879 |
| Titled People Quiz #3 | 0 | - | 4.33 | 41,339 |
| Job Titles Quiz #1 | 0 | - | 4.23 | 73,558 |
| Historical Blunders | 0 | - | 4.32 | 86,781 |
| This Day in History - April | 0 | - | 4.42 | 43,339 |
| This Day in History - July | 0 | - | 4.48 | 35,093 |
| This Day in History - August | 0 | - | 4.41 | 41,785 |
| This Day in History - September | 0 | - | 4.54 | 54,915 |
| This Day in History - October | 0 | - | 4.49 | 36,310 |
| This Day in History - January | 0 | - | 4.53 | 44,463 |
| This Day in History - February | 0 | - | 4.41 | 38,397 |
| This Day in History - March | 0 | - | 4.44 | 41,950 |
| The 7 Wonders of the Ancient World | 0 | - | 4.79 | 65,648 |
| Ancient Civilizations | 0 | - | 4.55 | 34,651 |
| Geography of Ancient Greece | 0 | - | 4.77 | 30,038 |
| 19th Century A-Z | 0 | - | 4.82 | 34,355 |
| 17th Century A-Z | 0 | - | 4.61 | 24,094 |
| Battle to Country | 0 | - | 4.92 | 35,619 |
| The Reign of Napoleon | 0 | - | 4.53 | 36,144 |
| The Places They Went #1 | 0 | - | 4.77 | 32,394 |
| Famous Inventors | 0 | - | 4.44 | 42,443 |
| French History Multiple Choice | 0 | - | 4.54 | 29,931 |
| History of Scotland | 0 | - | 4.49 | 19,655 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.14 | 943,687 |
| Branches of the U.S. Military | 0 | - | 4.39 | 21,162 |
| Countries with the Most Skyscrapers | 0 | - | 4.93 | 132,428 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.91 | 89,839 |
| Countries with the Tallest Buildings | 0 | - | 4.95 | 74,642 |
| Coldest Countries | 0 | - | 4.97 | 124,848 |
| Coldest World Capitals | 0 | - | 4.96 | 128,102 |
| Five Coldest Countries by Continent | 0 | - | 4.96 | 58,318 |
| Countries with the Least Precipitation | 0 | - | 4.89 | 68,132 |
| Capital Cities with the Least Precipitation | 0 | - | 4.90 | 27,421 |
| World Currency Quiz | 0 | - | 4.92 | 247,707 |
| Countries with the Most Billionaires | 0 | - | 4.94 | 281,332 |
| Countries with the Most Millionaires | 0 | - | 4.85 | 83,857 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 177,143 |
| Countries with the Most Exports | 0 | - | 4.95 | 124,674 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 41,434 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 161,913 |
| Countries by Oil Consumption | 0 | - | 4.96 | 111,537 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 66,474 |
| Cities with the Biggest Economies | 0 | - | 4.92 | 118,668 |
| Largest Economies in 2050 | 0 | - | 4.90 | 99,805 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 239,474 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 88,939 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.85 | 66,397 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 222,311 |
| Majority Muslim Countries | 0 | - | 4.97 | 313,601 |
| Countries with the Most Muslims | 0 | - | 4.93 | 131,853 |
| Buddhist Countries | 0 | - | 4.96 | 130,866 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,009,182 |
| Country Logic Puzzle 4x4 – Sudoku style | 0 | - | 5.00 | 25,480 |
| Countries Hidden in a Letter #1 | 0 | - | 5.00 | 42,737 |
| Countries that Start with A | 0 | - | 4.98 | 1,947,570 |
| Countries that Start with B | 0 | - | 4.95 | 2,086,197 |
| Countries that Start with C | 0 | - | 4.96 | 1,650,157 |
| Countries that Start with D | 0 | - | 4.96 | 595,339 |
| Countries that Start with E | 0 | - | 4.95 | 1,234,850 |
| Countries that Start with G | 0 | - | 4.97 | 1,354,356 |
| Countries that Start with H | 0 | - | 4.95 | 507,726 |
| Countries that Start with I | 0 | - | 4.92 | 1,164,529 |
| Countries that Start with J | 0 | - | 4.98 | 510,832 |
| Countries that Start with K | 0 | - | 4.96 | 715,023 |
| Countries that Start with L | 0 | - | 4.98 | 973,961 |
