| Normandy D-Day Beaches | 0 | - | 4.81 | 37,010 |
| WWII Geography | 0 | - | 4.81 | 100,497 |
| WWII Figures by Picture | 0 | - | 4.88 | 41,401 |
| Territory Changes in World War I | 0 | - | 4.87 | 40,813 |
| Notable People of WWII | 0 | - | 4.52 | 80,660 |
| WWII Trivia #2 | 0 | - | 4.53 | 96,215 |
| WWI... or WWII? | 0 | - | 4.84 | 125,379 |
| Military History Vocabulary | 0 | - | 4.92 | 60,763 |
| WWII Trivia #1 | 0 | - | 4.36 | 164,280 |
| World War I Quiz | 0 | - | 4.79 | 93,633 |
| WWI A-Z | 0 | - | 4.48 | 35,681 |
| World War II Multiple Choice | 0 | - | 4.38 | 96,085 |
| Name a Valid Answer - World War II | 0 | - | 4.51 | 48,675 |
| WWII Movies | 0 | - | 4.19 | 25,821 |
| WWII A-Z #1 | 0 | - | 4.79 | 94,440 |
| WWII A-Z #2 | 0 | - | 4.47 | 50,447 |
| WWII Decoder | 0 | - | 4.44 | 49,269 |
| Invasions | 0 | - | 4.70 | 90,188 |
| Famous Battles Quiz | 0 | - | 4.25 | 46,838 |
| Name the War Quiz | 0 | - | 4.39 | 191,181 |
| Famous U.S. Generals | 0 | - | 4.25 | 37,073 |
| Names for Warriors | 0 | - | 4.40 | 34,725 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 228,533 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 233,732 |
| Countries with NO Military | 0 | - | 4.97 | 50,567 |
| Top Arms Exporting Countries | 0 | - | 4.95 | 77,295 |
| Countries with the Most Tanks | 0 | - | 4.89 | 76,442 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 13,589 |
| Military History A-Z | 0 | - | 4.21 | 19,695 |
| Most Powerful Countries Bordering Each Other | 0 | - | 4.85 | 50,200 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 66,907 |
| "Second Best" History Edition | 0 | - | 4.94 | 47,758 |
| G7 Leaders Since 2003 | 0 | - | 4.46 | 38,881 |
| Famous Empires in History | 0 | - | 4.83 | 105,365 |
| People Who Died in Battle | 0 | - | 4.33 | 21,486 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.81 | 10,198 |
| Top Arms Importing Countries | 0 | - | 4.74 | 55,847 |
| World Leaders of the Cold War | 0 | - | 4.34 | 22,640 |
| Famous Dictators Quiz #1 | 0 | - | 4.75 | 184,598 |
| Art Works Picture Quiz #1 | 0 | - | 4.50 | 97,231 |
| Art Works Picture Quiz #2 | 0 | - | 4.46 | 86,671 |
| WWII for Dummies | 0 | - | 4.76 | 93,019 |
| Religions by Country of Origin Quiz | 0 | - | 4.29 | 72,986 |
| U.S. Military Acronyms | 0 | - | 4.39 | 87,094 |
| Historical Leaders by Date #1 | 0 | - | 4.46 | 28,440 |
| Historical Leaders by Date #2 | 0 | - | 4.54 | 27,376 |
| Historical Rulers #2 | 0 | - | 4.26 | 43,463 |
| Historical Rulers #1 | 0 | - | 4.32 | 111,949 |
| Former Countries by Territory Map | 0 | - | 4.96 | 87,008 |
| Empires by Maps | 0 | - | 4.98 | 96,474 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 102,615 |
| UN Secretaries-General | 0 | - | 4.42 | 7,179 |
| Hollywood Screen Legends Quiz | 0 | - | 4.04 | 33,793 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 46,958 |
| Countries with U.S. Troops | 0 | - | 4.39 | 126,159 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 48,455 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 33,785 |
| 100 Most Common English Words | 0 | - | 4.90 | 1,184,049 |
| Google What's the Difference? - History | 0 | - | 4.21 | 43,764 |
| Metals of Antiquity | 0 | - | 4.93 | 86,046 |
| Popular Royal Names | 0 | - | 4.27 | 117,218 |
| Animals in World History | 0 | - | 4.82 | 40,672 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 40,345 |
| History: What Came First? #1 | 0 | - | 4.84 | 92,300 |
| Famous Dictators Quiz #2 | 0 | - | 4.34 | 80,280 |
| Mythical Creatures Quiz #1 | 0 | - | 4.91 | 660,821 |
| Art Works Picture Quiz #3 | 0 | - | 4.39 | 41,475 |
| 1960s Decade Quiz #2 | 0 | - | 4.44 | 41,959 |
| Years in History #1 - Multiple Choice | 0 | - | 4.84 | 63,662 |
| Wives of King Henry VIII | 0 | - | 4.55 | 51,367 |
| Countries the UK Declared War On | 0 | - | 4.58 | 113,410 |
| Geography of the British Empire | 0 | - | 4.51 | 37,331 |
| Weapons by Picture | 0 | - | 4.07 | 19,280 |
| Most Common English Verbs - Extreme | 0 | - | 4.95 | 138,835 |
| Cradles of Civilization | 0 | - | 4.41 | 32,852 |
| History of The Netherlands | 0 | - | 4.43 | 15,902 |
| Materials From History #1 | 0 | - | 4.54 | 45,379 |
| World Leaders Quiz #2 | 0 | - | 4.01 | 25,174 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 18,448 |
| First Names of Painters | 0 | - | 4.38 | 56,603 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 145,780 |
| 1960s Decade Quiz #1 | 0 | - | 4.38 | 47,606 |
| Biggest Nations and Empires Ever | 0 | - | 4.55 | 134,854 |
| Famous Explorers | 0 | - | 4.65 | 32,915 |
| Answers by Time Period | 0 | - | 4.50 | 42,950 |
| Territorial Accessions | 0 | - | 4.43 | 32,400 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,741 |
| Countries Italy Declared War On | 0 | - | 4.76 | 40,302 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 24,847 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.76 | 19,109 |
| Medieval English History | 0 | - | 4.52 | 41,132 |
| History of Germany Quiz | 0 | - | 4.35 | 40,417 |
| Most Important People in History | 0 | - | 3.97 | 46,776 |
| Fictional Military Characters Quiz | 0 | - | 4.26 | 18,938 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 127,230 |
| Countries with the Least Dense Road Networks | 0 | - | 4.81 | 38,474 |
| Monarchies of the World | 0 | - | 4.93 | 153,941 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 82,485 |
| Countries where the Sea Freezes | 0 | - | 4.91 | 82,025 |
| Largest Countries Without Deserts | 0 | - | 4.87 | 66,979 |
| Disney Animated Characters | 0 | - | 4.88 | 577,143 |
| All Disney Animated Movies | 0 | - | 4.84 | 395,272 |
| Countries by Number of Books Published | 0 | - | 4.95 | 64,445 |
| Fast Math - Addition | 0 | - | 4.82 | 483,749 |
| Fast Math - Double That Number! | 0 | - | 4.81 | 553,786 |
| NATO Countries Quiz | 0 | - | 4.98 | 228,299 |
| EU Countries Quiz | 0 | - | 4.99 | 230,408 |
| Top Five Countries by Religion | 0 | - | 4.90 | 144,823 |
| 7 Deadly Sins Quiz | 0 | - | 4.86 | 348,272 |
| Books of the Protestant Bible Quiz | 0 | - | 4.87 | 181,722 |
| Majority Muslim Countries | 0 | - | 4.97 | 316,280 |
| Astronomy Quiz | 0 | - | 4.87 | 65,118 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 118,455 |
| Solar System Trivia | 0 | - | 4.95 | 39,082 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 58,529 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.86 | 92,125 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 109,274 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 129,928 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.89 | 76,388 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 110,024 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 66,704 |
| Influential Women in History | 0 | - | 4.47 | 30,615 |
| Former Flags | 0 | - | 4.98 | 82,480 |
| Ancient Greece A-Z | 0 | - | 4.63 | 20,978 |
| Historical Events - AD or BC? | 0 | - | 4.75 | 52,666 |
| Materials From History #2 | 0 | - | 4.58 | 24,996 |
| States of the German Confederation in 1848 | 0 | - | 4.84 | 26,948 |
| Former Capitals Quiz | 0 | - | 4.81 | 58,390 |
| Warsaw Pact Countries | 0 | - | 4.84 | 80,579 |
| 20th Century Dates Quiz | 0 | - | 4.53 | 38,055 |
| Events in History #2 | 0 | - | 4.47 | 67,359 |
| Events in History #4 | 0 | - | 4.44 | 41,327 |
| Name a Valid Year in History | 0 | - | 4.92 | 54,503 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.18 | 46,734 |
| Assassinations in History Quiz | 0 | - | 4.17 | 63,308 |
| Famous Seconds Quiz | 0 | - | 4.21 | 44,668 |
| Ages and Eras Quiz | 0 | - | 4.35 | 64,733 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.22 | 38,398 |
| Titled People Quiz #1 | 0 | - | 4.14 | 43,982 |
| Titled People Quiz #3 | 0 | - | 4.33 | 41,433 |
| Job Titles Quiz #1 | 0 | - | 4.23 | 73,713 |
| Historical Blunders | 0 | - | 4.32 | 87,418 |
| This Day in History - April | 0 | - | 4.42 | 43,428 |
| This Day in History - July | 0 | - | 4.48 | 35,224 |
| This Day in History - August | 0 | - | 4.41 | 41,933 |
| This Day in History - September | 0 | - | 4.55 | 55,135 |
| This Day in History - October | 0 | - | 4.49 | 36,410 |
| This Day in History - January | 0 | - | 4.53 | 44,675 |
| This Day in History - February | 0 | - | 4.41 | 38,519 |
| This Day in History - March | 0 | - | 4.44 | 42,119 |
| The 7 Wonders of the Ancient World | 0 | - | 4.79 | 65,755 |
| Ancient Civilizations | 0 | - | 4.56 | 34,841 |
| Geography of Ancient Greece | 0 | - | 4.76 | 30,201 |
| 19th Century A-Z | 0 | - | 4.82 | 34,651 |
| 17th Century A-Z | 0 | - | 4.61 | 24,241 |
| Battle to Country | 0 | - | 4.92 | 36,455 |
| The Reign of Napoleon | 0 | - | 4.53 | 36,337 |
| The Places They Went #1 | 0 | - | 4.77 | 32,497 |
| Famous Inventors | 0 | - | 4.44 | 42,525 |
| French History Multiple Choice | 0 | - | 4.54 | 30,239 |
| History of Scotland | 0 | - | 4.49 | 19,771 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.14 | 951,405 |
| Branches of the U.S. Military | 0 | - | 4.40 | 21,432 |
| Monarchies Bordering Monarchies | 0 | - | 4.86 | 56,093 |
| Countries with the Most Skyscrapers | 0 | - | 4.93 | 133,640 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.91 | 90,336 |
| Countries with the Tallest Buildings | 0 | - | 4.95 | 75,276 |
| Coldest Countries | 0 | - | 4.97 | 125,816 |
| Coldest World Capitals | 0 | - | 4.96 | 128,516 |
| Five Coldest Countries by Continent | 0 | - | 4.96 | 58,743 |
| Countries with the Least Precipitation | 0 | - | 4.89 | 68,569 |
| Capital Cities with the Least Precipitation | 0 | - | 4.90 | 27,566 |
| World Currency Quiz | 0 | - | 4.92 | 249,955 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 284,173 |
| Countries with the Most Millionaires | 0 | - | 4.85 | 85,590 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 178,703 |
| Countries with the Most Exports | 0 | - | 4.96 | 139,634 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 42,354 |
| Top Crude Oil Producing Countries | 0 | - | 4.90 | 171,730 |
| Countries by Oil Consumption | 0 | - | 4.96 | 112,392 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 67,197 |
| Richest Island Countries | 0 | - | 4.87 | 89,019 |
| Cities with the Biggest Economies | 0 | - | 4.92 | 119,409 |
| Largest Economies in 2050 | 0 | - | 4.89 | 101,083 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 241,480 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 90,812 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.86 | 67,622 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 223,807 |
| Countries with the Most Muslims | 0 | - | 4.93 | 133,102 |
| Buddhist Countries | 0 | - | 4.97 | 131,827 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,014,468 |
| Country Logic Puzzle 4x4 – Sudoku style | 0 | - | 5.00 | 25,715 |
| Countries Hidden in a Letter #1 | 0 | - | 5.00 | 43,280 |
| Countries that Start with A | 0 | - | 4.98 | 1,966,415 |
| Countries that Start with B | 0 | - | 4.95 | 2,105,307 |
| Countries that Start with C | 0 | - | 4.96 | 1,665,926 |
| Countries that Start with D | 0 | - | 4.96 | 605,489 |
| Countries that Start with E | 0 | - | 4.95 | 1,247,336 |
| Countries that Start with G | 0 | - | 4.97 | 1,367,286 |
| Countries that Start with H | 0 | - | 4.96 | 516,472 |
