| Normandy D-Day Beaches | 0 | - | 4.83 | 39,664 |
| WWII Geography | 0 | - | 4.81 | 118,119 |
| WWII Figures by Picture | 0 | - | 4.84 | 49,077 |
| Territory Changes in World War I | 0 | - | 4.86 | 45,425 |
| Notable People of WWII | 0 | - | 4.53 | 84,782 |
| WWII Trivia #2 | 0 | - | 4.52 | 102,282 |
| WWI... or WWII? | 0 | - | 4.84 | 138,204 |
| Military History Vocabulary | 0 | - | 4.91 | 65,813 |
| WWII Trivia #1 | 0 | - | 4.35 | 174,533 |
| World War I Quiz | 0 | - | 4.78 | 99,282 |
| WWI A-Z | 0 | - | 4.50 | 37,674 |
| World War II Multiple Choice | 0 | - | 4.38 | 102,260 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 53,942 |
| WWII True or False? | 0 | - | 4.56 | 56,185 |
| WWII Movies by Plot Description | 0 | - | 4.21 | 26,815 |
| WWII A-Z #1 | 0 | - | 4.80 | 101,290 |
| WWII A-Z #2 | 0 | - | 4.44 | 53,759 |
| WWII Decoder | 0 | - | 4.41 | 52,499 |
| Invasions | 0 | - | 4.63 | 95,765 |
| Names for Warriors | 0 | - | 4.41 | 36,541 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,547 |
| Name the War Quiz | 0 | - | 4.37 | 199,526 |
| Famous U.S. Generals | 0 | - | 4.26 | 38,244 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 279,041 |
| Countries with Nuclear Weapons | 0 | - | 4.88 | 259,170 |
| Countries with NO Military | 0 | - | 4.97 | 59,516 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 83,895 |
| Countries with the Most Tanks | 0 | - | 4.90 | 102,474 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 14,820 |
| Military History A-Z | 0 | - | 4.20 | 20,847 |
| Most Powerful Countries Bordering Each Other | 0 | - | 4.87 | 57,072 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 72,676 |
| "Second Best" History Edition | 0 | - | 4.93 | 59,904 |
| G7 Leaders Since 2003 | 0 | - | 4.47 | 45,599 |
| People Who Died in Battle | 0 | - | 4.35 | 22,164 |
| Top Arms Importing Countries | 0 | - | 4.70 | 60,198 |
| World Leaders of the Cold War | 0 | - | 4.26 | 24,854 |
| Famous Dictators Quiz #1 | 0 | - | 4.69 | 196,755 |
| Art Works Picture Quiz #1 | 0 | - | 4.50 | 116,412 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 96,785 |
| Art Works Picture Quiz #3 | 0 | - | 4.44 | 47,477 |
| WWII for Dummies | 0 | - | 4.79 | 102,175 |
| Religions by Country of Origin Quiz | 0 | - | 4.28 | 75,855 |
| U.S. Military Acronyms | 0 | - | 4.39 | 100,011 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 30,912 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 29,739 |
| Historical Rulers #2 | 0 | - | 4.26 | 46,736 |
| Historical Rulers #1 | 0 | - | 4.35 | 117,790 |
| Former Countries by Territory Map | 0 | - | 4.95 | 99,357 |
| Empires by Maps | 0 | - | 4.98 | 115,112 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 108,833 |
| Ultimate 20th Century History Quiz | 0 | - | 4.85 | 52,403 |
| Countries with U.S. Troops | 0 | - | 4.38 | 130,928 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 50,837 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 50,940 |
| 100 Most Common English Words | 0 | - | 4.89 | 1,285,119 |
| Google What's the Difference? - History | 0 | - | 4.20 | 45,684 |
| Metals of Antiquity | 0 | - | 4.93 | 91,895 |
| Popular Royal Names | 0 | - | 4.28 | 123,659 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 45,306 |
| History: What Came First? #1 | 0 | - | 4.86 | 102,424 |
| Famous Dictators Quiz #2 | 0 | - | 4.32 | 86,031 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 698,688 |
| First Names of Painters | 0 | - | 4.42 | 59,035 |
| 1960s Decade Quiz #2 | 0 | - | 4.44 | 43,806 |
| Years in History #1 - Multiple Choice | 0 | - | 4.84 | 68,878 |
| Wives of King Henry VIII | 0 | - | 4.55 | 52,874 |
| Countries the UK Declared War On | 0 | - | 4.61 | 120,673 |
| Geography of the British Empire | 0 | - | 4.51 | 39,119 |
| Weapons by Picture | 0 | - | 4.11 | 20,642 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 153,579 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 11,822 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 26,800 |
| Influential Women in History | 0 | - | 4.41 | 34,244 |
| Cradles of Civilization | 0 | - | 4.45 | 38,291 |
| History of The Netherlands | 0 | - | 4.46 | 17,066 |
| Materials From History #1 | 0 | - | 4.56 | 49,951 |
| Historical Countries by Ruler | 0 | - | 4.47 | 47,109 |
| World Leaders Quiz #2 | 0 | - | 3.99 | 35,196 |
| UN Secretaries-General | 0 | - | 4.40 | 7,681 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.05 | 19,398 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 155,840 |
| 1960s Decade Quiz #1 | 0 | - | 4.40 | 49,115 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 144,000 |
| Famous Explorers | 0 | - | 4.58 | 35,593 |
| Famous Empires in History | 0 | - | 4.74 | 116,400 |
| Answers by Time Period | 0 | - | 4.61 | 54,786 |
| Ancient Greek Trivia | 0 | - | 4.61 | 66,283 |
| 17th Century A-Z | 0 | - | 4.77 | 33,216 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,579 |
| French History Multiple Choice | 0 | - | 4.55 | 32,536 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.95 | 40,133 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 54,023 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,598 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.77 | 19,942 |
| Medieval English History | 0 | - | 4.53 | 42,991 |
| History of Germany | 0 | - | 4.38 | 52,250 |
| Most Important People in History | 0 | - | 4.00 | 49,892 |
| Fictional Military Characters Quiz | 0 | - | 4.27 | 19,466 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 144,181 |
| Countries with the Least Dense Road Networks | 0 | - | 4.81 | 40,849 |
| Monarchies of the World | 0 | - | 4.94 | 162,666 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 109,855 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 109,113 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 110,795 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 73,738 |
| Disney Animated Characters | 0 | - | 4.87 | 595,385 |
| People on Money by Country | 0 | - | 4.84 | 59,294 |
| Countries by Number of Books Published | 0 | - | 4.95 | 70,833 |
| Fast Math - Addition | 0 | - | 4.86 | 514,895 |
| NATO Countries Quiz | 0 | - | 4.98 | 266,834 |
| EU Countries Quiz | 0 | - | 4.99 | 262,885 |
| Top Five Countries by Religion | 0 | - | 4.92 | 164,822 |
| 7 Deadly Sins Quiz | 0 | - | 4.87 | 385,825 |
| Books of the Protestant Bible | 0 | - | 4.88 | 202,315 |
| Majority Muslim Countries | 0 | - | 4.98 | 361,917 |
| Astronomy Quiz | 0 | - | 4.89 | 80,014 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 132,976 |
| Solar System Trivia | 0 | - | 4.93 | 44,782 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 64,187 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.88 | 100,235 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 125,811 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 161,708 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.90 | 85,190 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.81 | 32,271 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.83 | 37,941 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 115,834 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 69,915 |
| Former Flags | 0 | - | 4.97 | 105,014 |
| Years in History by Picture | 0 | - | 4.43 | 34,299 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,710 |
| Historical Events - AD or BC? | 0 | - | 4.74 | 56,641 |
| Materials From History #2 | 0 | - | 4.59 | 30,688 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 30,691 |
| Former Capitals Quiz | 0 | - | 4.87 | 70,372 |
| Cold War Decoder | 0 | - | 4.83 | 51,292 |
| Warsaw Pact Countries | 0 | - | 4.83 | 83,749 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,115 |
| Events in History #2 | 0 | - | 4.49 | 70,710 |
| Events in History #4 | 0 | - | 4.43 | 43,622 |
| Name a Valid Year in History | 0 | - | 4.93 | 64,811 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,563 |
| Assassinations in History Quiz | 0 | - | 4.19 | 65,571 |
| Famous Seconds Quiz | 0 | - | 4.21 | 46,204 |
| Ages and Eras Quiz | 0 | - | 4.38 | 67,079 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,253 |
| Titled People Quiz #1 | 0 | - | 4.10 | 45,379 |
| Titled People Quiz #3 | 0 | - | 4.33 | 42,799 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,561 |
| Female Historical Figures | 0 | - | 4.31 | 32,856 |
| Historical Blunders | 0 | - | 4.33 | 91,227 |
| Territorial Accessions | 0 | - | 4.38 | 34,413 |
| People Known as "The Great" | 0 | - | 4.45 | 24,289 |
| This Day in History - July | 0 | - | 4.48 | 36,204 |
| This Day in History - August | 0 | - | 4.41 | 43,064 |
| This Day in History - September | 0 | - | 4.55 | 56,977 |
| This Day in History - October | 0 | - | 4.48 | 37,391 |
| This Day in History - January | 0 | - | 4.53 | 46,331 |
| This Day in History - March | 0 | - | 4.45 | 43,323 |
| The 7 Wonders of the Ancient World | 0 | - | 4.80 | 68,311 |
| Ancient Civilizations | 0 | - | 4.63 | 37,174 |
| Geography of Ancient Greece | 0 | - | 4.77 | 31,506 |
| Battle to Country | 0 | - | 4.91 | 51,290 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,275 |
| The Places They Went #1 | 0 | - | 4.75 | 33,294 |
| Famous Inventors | 0 | - | 4.43 | 43,342 |
| Embarrassing Chapters in British History | 0 | - | 4.29 | 31,896 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 23,721 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 27,873 |
| European History for Dummies | 0 | - | 4.83 | 88,256 |
| History of Scotland | 0 | - | 4.51 | 20,822 |
| Kings of France Quiz | 0 | - | 4.20 | 32,258 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.10 | 1,005,221 |
| Branches of the U.S. Military | 0 | - | 4.39 | 23,756 |
| Countries with the Most Skyscrapers | 0 | - | 4.92 | 141,940 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 94,599 |
| Countries with the Tallest Buildings | 0 | - | 4.93 | 100,767 |
| Coldest Countries | 0 | - | 4.97 | 135,819 |
| Coldest World Capitals | 0 | - | 4.95 | 132,492 |
| Five Coldest Countries by Continent | 0 | - | 4.96 | 75,650 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 81,624 |
| Capital Cities with the Least Precipitation | 0 | - | 4.88 | 28,818 |
| World Currency Quiz | 0 | - | 4.91 | 290,241 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 329,444 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 119,911 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 191,647 |
| Countries with the Most Exports | 0 | - | 4.96 | 152,560 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 48,775 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 186,520 |
| Countries by Oil Consumption | 0 | - | 4.96 | 118,733 |
| Top Oil Reserve Countries | 0 | - | 4.92 | 73,032 |
| Richest Island Countries | 0 | - | 4.84 | 98,118 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 128,345 |
| Largest Economies in 2050 | 0 | - | 4.90 | 109,685 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 257,133 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 101,598 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 82,576 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 236,050 |
| Countries with the Most Muslims | 0 | - | 4.94 | 157,486 |
| Buddhist Countries | 0 | - | 4.96 | 141,117 |
