| Normandy D-Day Beaches | 0 | - | 4.83 | 39,613 |
| WWII Geography | 0 | - | 4.81 | 117,958 |
| WWII Figures by Picture | 0 | - | 4.83 | 48,915 |
| Territory Changes in World War I | 0 | - | 4.86 | 45,335 |
| Notable People of WWII | 0 | - | 4.53 | 84,714 |
| WWII Trivia #2 | 0 | - | 4.52 | 102,168 |
| WWI... or WWII? | 0 | - | 4.84 | 137,944 |
| Military History Vocabulary | 0 | - | 4.91 | 65,701 |
| WWII Trivia #1 | 0 | - | 4.35 | 174,359 |
| World War I Quiz | 0 | - | 4.78 | 99,159 |
| WWI A-Z | 0 | - | 4.50 | 37,636 |
| World War II Multiple Choice | 0 | - | 4.38 | 102,159 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 53,853 |
| WWII True or False? | 0 | - | 4.56 | 56,105 |
| WWII Movies by Plot Description | 0 | - | 4.21 | 26,802 |
| WWII A-Z #1 | 0 | - | 4.80 | 101,169 |
| WWII A-Z #2 | 0 | - | 4.44 | 53,695 |
| WWII Decoder | 0 | - | 4.41 | 52,418 |
| Invasions | 0 | - | 4.63 | 95,666 |
| Names for Warriors | 0 | - | 4.41 | 36,504 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,514 |
| Name the War Quiz | 0 | - | 4.37 | 199,381 |
| Famous U.S. Generals | 0 | - | 4.26 | 38,227 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 277,848 |
| Countries with Nuclear Weapons | 0 | - | 4.88 | 257,321 |
| Countries with NO Military | 0 | - | 4.97 | 59,081 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 83,723 |
| Countries with the Most Tanks | 0 | - | 4.87 | 89,270 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 14,810 |
| Military History A-Z | 0 | - | 4.20 | 20,818 |
| Most Powerful Countries Bordering Each Other | 0 | - | 4.87 | 56,748 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 72,569 |
| "Second Best" History Edition | 0 | - | 4.93 | 59,722 |
| G7 Leaders Since 2003 | 0 | - | 4.47 | 45,554 |
| People Who Died in Battle | 0 | - | 4.35 | 22,147 |
| Top Arms Importing Countries | 0 | - | 4.70 | 60,118 |
| World Leaders of the Cold War | 0 | - | 4.26 | 24,822 |
| Famous Dictators Quiz #1 | 0 | - | 4.69 | 196,573 |
| Art Works Picture Quiz #1 | 0 | - | 4.50 | 116,290 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 96,667 |
| Art Works Picture Quiz #3 | 0 | - | 4.44 | 47,442 |
| WWII for Dummies | 0 | - | 4.79 | 101,966 |
| Religions by Country of Origin Quiz | 0 | - | 4.28 | 75,805 |
| U.S. Military Acronyms | 0 | - | 4.39 | 99,952 |
| Historical Leaders by Date #1 | 0 | - | 4.49 | 30,888 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 29,721 |
| Historical Rulers #2 | 0 | - | 4.26 | 46,700 |
| Historical Rulers #1 | 0 | - | 4.35 | 117,720 |
| Former Countries by Territory Map | 0 | - | 4.95 | 99,186 |
| Empires by Maps | 0 | - | 4.98 | 114,779 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 108,760 |
| Ultimate 20th Century History Quiz | 0 | - | 4.85 | 52,329 |
| Countries with U.S. Troops | 0 | - | 4.38 | 130,832 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 50,774 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 50,855 |
| 100 Most Common English Words | 0 | - | 4.89 | 1,282,704 |
| Google What's the Difference? - History | 0 | - | 4.20 | 45,652 |
| Metals of Antiquity | 0 | - | 4.93 | 91,796 |
| Popular Royal Names | 0 | - | 4.28 | 123,578 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 45,212 |
| History: What Came First? #1 | 0 | - | 4.86 | 102,261 |
| Famous Dictators Quiz #2 | 0 | - | 4.32 | 85,970 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 697,995 |
| First Names of Painters | 0 | - | 4.42 | 58,990 |
| 1960s Decade Quiz #2 | 0 | - | 4.44 | 43,762 |
| Years in History #1 - Multiple Choice | 0 | - | 4.84 | 68,795 |
| Wives of King Henry VIII | 0 | - | 4.55 | 52,843 |
| Countries the UK Declared War On | 0 | - | 4.61 | 120,541 |
| Geography of the British Empire | 0 | - | 4.51 | 39,086 |
| Weapons by Picture | 0 | - | 4.11 | 20,610 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 153,320 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 11,795 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 26,746 |
| Influential Women in History | 0 | - | 4.41 | 34,191 |
| Cradles of Civilization | 0 | - | 4.45 | 38,233 |
| History of The Netherlands | 0 | - | 4.46 | 17,030 |
| Materials From History #1 | 0 | - | 4.56 | 49,883 |
| Historical Countries by Ruler | 0 | - | 4.47 | 47,017 |
| World Leaders Quiz #2 | 0 | - | 3.99 | 35,139 |
| UN Secretaries-General | 0 | - | 4.40 | 7,679 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.05 | 19,385 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 155,697 |
| 1960s Decade Quiz #1 | 0 | - | 4.40 | 49,081 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 143,879 |
| Famous Explorers | 0 | - | 4.58 | 35,569 |
| Famous Empires in History | 0 | - | 4.74 | 116,304 |
| Answers by Time Period | 0 | - | 4.61 | 54,734 |
| Ancient Greek Trivia | 0 | - | 4.61 | 66,238 |
| 17th Century A-Z | 0 | - | 4.77 | 33,191 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,548 |
| French History Multiple Choice | 0 | - | 4.55 | 32,492 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.95 | 40,079 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 53,928 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,582 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.77 | 19,921 |
| Medieval English History | 0 | - | 4.53 | 42,947 |
| History of Germany | 0 | - | 4.38 | 52,218 |
| Most Important People in History | 0 | - | 4.00 | 49,832 |
| Fictional Military Characters Quiz | 0 | - | 4.27 | 19,447 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 143,858 |
| Countries with the Least Dense Road Networks | 0 | - | 4.81 | 40,682 |
| Monarchies of the World | 0 | - | 4.94 | 162,006 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 109,604 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 108,853 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 110,381 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 73,579 |
| Disney Animated Characters | 0 | - | 4.87 | 594,837 |
| People on Money by Country | 0 | - | 4.83 | 59,187 |
| Countries by Number of Books Published | 0 | - | 4.95 | 70,673 |
| Fast Math - Addition | 0 | - | 4.86 | 514,421 |
| NATO Countries Quiz | 0 | - | 4.98 | 265,446 |
| EU Countries Quiz | 0 | - | 4.99 | 261,910 |
| Top Five Countries by Religion | 0 | - | 4.92 | 164,282 |
| 7 Deadly Sins Quiz | 0 | - | 4.87 | 384,646 |
| Books of the Protestant Bible | 0 | - | 4.88 | 201,809 |
| Majority Muslim Countries | 0 | - | 4.98 | 361,095 |
| Astronomy Quiz | 0 | - | 4.89 | 79,855 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 132,684 |
| Solar System Trivia | 0 | - | 4.93 | 44,650 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 64,057 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.88 | 100,047 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 125,501 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 161,267 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.90 | 85,014 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.81 | 32,173 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.83 | 37,782 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 115,709 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 69,865 |
| Former Flags | 0 | - | 4.97 | 104,843 |
| Years in History by Picture | 0 | - | 4.43 | 34,238 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,687 |
| Historical Events - AD or BC? | 0 | - | 4.74 | 56,563 |
| Materials From History #2 | 0 | - | 4.59 | 30,665 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 30,614 |
| Former Capitals Quiz | 0 | - | 4.87 | 70,315 |
| Cold War Decoder | 0 | - | 4.83 | 51,226 |
| Warsaw Pact Countries | 0 | - | 4.83 | 83,707 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,096 |
| Events in History #2 | 0 | - | 4.49 | 70,646 |
| Events in History #4 | 0 | - | 4.43 | 43,591 |
| Name a Valid Year in History | 0 | - | 4.93 | 64,635 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,527 |
| Assassinations in History Quiz | 0 | - | 4.19 | 65,526 |
| Famous Seconds Quiz | 0 | - | 4.21 | 46,178 |
| Ages and Eras Quiz | 0 | - | 4.38 | 67,037 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,248 |
| Titled People Quiz #1 | 0 | - | 4.10 | 45,360 |
| Titled People Quiz #3 | 0 | - | 4.33 | 42,782 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,531 |
| Female Historical Figures | 0 | - | 4.31 | 32,838 |
| Historical Blunders | 0 | - | 4.33 | 91,160 |
| Territorial Accessions | 0 | - | 4.38 | 34,395 |
| People Known as "The Great" | 0 | - | 4.45 | 24,275 |
| This Day in History - July | 0 | - | 4.48 | 36,185 |
| This Day in History - August | 0 | - | 4.41 | 43,040 |
| This Day in History - September | 0 | - | 4.55 | 56,935 |
| This Day in History - October | 0 | - | 4.48 | 37,371 |
| This Day in History - January | 0 | - | 4.53 | 46,298 |
| This Day in History - March | 0 | - | 4.45 | 43,295 |
| The 7 Wonders of the Ancient World | 0 | - | 4.80 | 68,276 |
| Ancient Civilizations | 0 | - | 4.63 | 37,139 |
| Geography of Ancient Greece | 0 | - | 4.77 | 31,484 |
| Battle to Country | 0 | - | 4.91 | 50,975 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,233 |
| The Places They Went #1 | 0 | - | 4.75 | 33,279 |
| Famous Inventors | 0 | - | 4.43 | 43,333 |
| Embarrassing Chapters in British History | 0 | - | 4.29 | 31,870 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.88 | 23,611 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 27,835 |
| European History for Dummies | 0 | - | 4.83 | 88,125 |
| History of Scotland | 0 | - | 4.51 | 20,812 |
| Kings of France Quiz | 0 | - | 4.20 | 32,228 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.10 | 1,004,723 |
| Branches of the U.S. Military | 0 | - | 4.39 | 23,713 |
| Countries with the Most Skyscrapers | 0 | - | 4.92 | 141,762 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 94,526 |
| Countries with the Tallest Buildings | 0 | - | 4.93 | 100,444 |
| Coldest Countries | 0 | - | 4.97 | 135,628 |
| Coldest World Capitals | 0 | - | 4.95 | 132,350 |
| Five Coldest Countries by Continent | 0 | - | 4.96 | 75,580 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 81,544 |
| Capital Cities with the Least Precipitation | 0 | - | 4.88 | 28,783 |
| World Currency Quiz | 0 | - | 4.91 | 289,251 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 329,034 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 119,533 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 191,429 |
| Countries with the Most Exports | 0 | - | 4.96 | 152,358 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 48,612 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 186,270 |
| Countries by Oil Consumption | 0 | - | 4.96 | 118,641 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 72,848 |
| Richest Island Countries | 0 | - | 4.83 | 97,938 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 128,181 |
| Largest Economies in 2050 | 0 | - | 4.90 | 109,549 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 256,379 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 101,414 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 82,428 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 235,831 |
| Countries with the Most Muslims | 0 | - | 4.94 | 157,302 |
| Buddhist Countries | 0 | - | 4.96 | 140,911 |
