| Normandy D-Day Beaches | 0 | - | 4.81 | 38,810 |
| WWII Geography | 0 | - | 4.82 | 115,178 |
| WWII Figures by Picture | 0 | - | 4.83 | 46,427 |
| Territory Changes in World War I | 0 | - | 4.88 | 43,901 |
| Notable People of WWII | 0 | - | 4.54 | 83,623 |
| WWII Trivia #2 | 0 | - | 4.51 | 100,063 |
| WWI... or WWII? | 0 | - | 4.84 | 133,830 |
| Military History Vocabulary | 0 | - | 4.91 | 64,141 |
| WWII Trivia #1 | 0 | - | 4.36 | 170,826 |
| World War I Quiz | 0 | - | 4.78 | 96,979 |
| WWI A-Z | 0 | - | 4.49 | 37,045 |
| World War II Multiple Choice | 0 | - | 4.37 | 100,420 |
| Name a Valid Answer - World War II | 0 | - | 4.52 | 52,456 |
| WWII Movies | 0 | - | 4.21 | 26,499 |
| WWII A-Z #1 | 0 | - | 4.79 | 99,181 |
| WWII A-Z #2 | 0 | - | 4.44 | 52,691 |
| WWII Decoder | 0 | - | 4.41 | 51,408 |
| Invasions | 0 | - | 4.63 | 94,099 |
| Names for Warriors | 0 | - | 4.42 | 35,903 |
| Famous Battles Quiz | 0 | - | 4.24 | 47,989 |
| Name the War Quiz | 0 | - | 4.38 | 197,153 |
| Famous U.S. Generals | 0 | - | 4.26 | 37,877 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 267,620 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 249,025 |
| Countries with NO Military | 0 | - | 4.96 | 56,380 |
| Top Arms Exporting Countries | 0 | - | 4.95 | 81,210 |
| Countries with the Most Tanks | 0 | - | 4.85 | 81,229 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 14,437 |
| Military History A-Z | 0 | - | 4.19 | 20,458 |
| Most Powerful Countries Bordering Each Other | 0 | - | 4.86 | 54,648 |
| Time Magazine Person of the Year | 0 | - | 4.55 | 70,432 |
| "Second Best" History Edition | 0 | - | 4.94 | 55,484 |
| G7 Leaders Since 2003 | 0 | - | 4.47 | 41,150 |
| People Who Died in Battle | 0 | - | 4.35 | 21,936 |
| Top Arms Importing Countries | 0 | - | 4.68 | 58,539 |
| World Leaders of the Cold War | 0 | - | 4.31 | 23,782 |
| Famous Dictators Quiz #1 | 0 | - | 4.69 | 192,600 |
| Art Works Picture Quiz #1 | 0 | - | 4.50 | 104,199 |
| Art Works Picture Quiz #2 | 0 | - | 4.47 | 93,037 |
| Art Works Picture Quiz #3 | 0 | - | 4.41 | 45,482 |
| WWII for Dummies | 0 | - | 4.78 | 99,180 |
| Religions by Country of Origin Quiz | 0 | - | 4.28 | 74,911 |
| U.S. Military Acronyms | 0 | - | 4.39 | 98,769 |
| Historical Leaders by Date #1 | 0 | - | 4.49 | 30,111 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 28,987 |
| Historical Rulers #2 | 0 | - | 4.26 | 45,747 |
| Historical Rulers #1 | 0 | - | 4.34 | 115,902 |
| Former Countries by Territory Map | 0 | - | 4.96 | 94,976 |
| Empires by Maps | 0 | - | 4.98 | 108,495 |
| World Leaders Quiz #1 | 0 | - | 4.13 | 106,163 |
| Hollywood Screen Legends Quiz | 0 | - | 4.04 | 34,349 |
| Ultimate 20th Century History Quiz | 0 | - | 4.84 | 50,502 |
| Countries with U.S. Troops | 0 | - | 4.37 | 129,563 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 50,028 |
| Major non-NATO U.S. Allies | 0 | - | 4.50 | 49,323 |
| 100 Most Common English Words | 0 | - | 4.89 | 1,250,256 |
| Google What's the Difference? - History | 0 | - | 4.20 | 45,027 |
| Metals of Antiquity | 0 | - | 4.94 | 89,904 |
| Popular Royal Names | 0 | - | 4.27 | 121,581 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 43,496 |
| History: What Came First? #1 | 0 | - | 4.86 | 99,046 |
| Famous Dictators Quiz #2 | 0 | - | 4.35 | 84,066 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 688,407 |
| 1960s Decade Quiz #2 | 0 | - | 4.44 | 43,162 |
| Years in History #1 - Multiple Choice | 0 | - | 4.83 | 67,171 |
| Wives of King Henry VIII | 0 | - | 4.55 | 52,491 |
| Countries the UK Declared War On | 0 | - | 4.56 | 117,868 |
| Geography of the British Empire | 0 | - | 4.51 | 38,500 |
| Weapons by Picture | 0 | - | 4.10 | 20,171 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 148,444 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.70 | 11,367 |
| Top 10 Oldest African Countries | 0 | - | 4.87 | 25,582 |
| Influential Women in History | 0 | - | 4.44 | 31,973 |
| Cradles of Civilization | 0 | - | 4.44 | 36,176 |
| History of The Netherlands | 0 | - | 4.45 | 16,596 |
| Materials From History #1 | 0 | - | 4.56 | 48,331 |
| Historical Countries by Ruler | 0 | - | 4.47 | 44,451 |
| World Leaders Quiz #2 | 0 | - | 4.02 | 26,241 |
| UN Secretaries-General | 0 | - | 4.40 | 7,529 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.05 | 19,059 |
| First Names of Painters | 0 | - | 4.40 | 58,070 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 152,389 |
| 1960s Decade Quiz #1 | 0 | - | 4.39 | 48,592 |
| Biggest Nations and Empires Ever | 0 | - | 4.45 | 141,195 |
| Famous Explorers | 0 | - | 4.64 | 34,661 |
| Famous Empires in History | 0 | - | 4.79 | 114,264 |
| Answers by Time Period | 0 | - | 4.56 | 53,776 |
| Ancient Greek Trivia | 0 | - | 4.56 | 65,361 |
| Countries Italy Declared War On | 0 | - | 4.75 | 41,870 |
| French History Multiple Choice | 0 | - | 4.55 | 31,829 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.96 | 39,072 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 52,372 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,224 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.77 | 19,676 |
| Medieval English History | 0 | - | 4.53 | 42,371 |
| History of Germany | 0 | - | 4.38 | 51,506 |
| Most Important People in History | 0 | - | 3.99 | 48,704 |
| Fictional Military Characters Quiz | 0 | - | 4.26 | 19,276 |
| Branches of the U.S. Military | 0 | - | 4.41 | 23,013 |
| Countries with the Most Elite Universities | 0 | - | 4.93 | 138,589 |
| Monarchies of the World | 0 | - | 4.93 | 158,718 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 105,093 |
| Countries where the Sea Freezes | 0 | - | 4.90 | 86,697 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 71,073 |
| Disney Animated Characters | 0 | - | 4.88 | 589,222 |
| All Disney Animated Movies | 0 | - | 4.81 | 426,834 |
| People on Money by Country | 0 | - | 4.81 | 57,765 |
| Countries by Number of Books Published | 0 | - | 4.94 | 68,660 |
| Fast Math - Addition | 0 | - | 4.85 | 505,206 |
| Fast Math - Double That Number! | 0 | - | 4.81 | 589,784 |
| NATO Countries Quiz | 0 | - | 4.98 | 258,086 |
| EU Countries Quiz | 0 | - | 4.99 | 254,822 |
| Top Five Countries by Religion | 0 | - | 4.91 | 157,563 |
| 7 Deadly Sins Quiz | 0 | - | 4.88 | 377,335 |
| Books of the Protestant Bible | 0 | - | 4.88 | 192,850 |
| Majority Muslim Countries | 0 | - | 4.98 | 330,250 |
| Astronomy Quiz | 0 | - | 4.89 | 77,430 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 127,830 |
| Solar System Trivia | 0 | - | 4.95 | 42,784 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.90 | 62,221 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.86 | 97,548 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 119,943 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 136,056 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.90 | 82,303 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.83 | 35,398 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 114,025 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 68,780 |
| Former Flags | 0 | - | 4.98 | 101,722 |
| Years in History by Picture | 0 | - | 4.45 | 32,732 |
| Ancient Greece A-Z | 0 | - | 4.61 | 22,104 |
| Historical Events - AD or BC? | 0 | - | 4.74 | 55,275 |
| Materials From History #2 | 0 | - | 4.58 | 30,192 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 29,446 |
| Former Capitals Quiz | 0 | - | 4.87 | 69,343 |
| Cold War Decoder | 0 | - | 4.82 | 49,710 |
| Warsaw Pact Countries | 0 | - | 4.81 | 82,597 |
| 20th Century Dates Quiz | 0 | - | 4.55 | 38,747 |
| Events in History #2 | 0 | - | 4.48 | 69,421 |
| Events in History #4 | 0 | - | 4.43 | 42,749 |
| Name a Valid Year in History | 0 | - | 4.92 | 61,385 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.20 | 47,897 |
| Assassinations in History Quiz | 0 | - | 4.19 | 64,744 |
| Famous Seconds Quiz | 0 | - | 4.21 | 45,458 |
| Ages and Eras Quiz | 0 | - | 4.39 | 66,218 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 38,930 |
| Titled People Quiz #1 | 0 | - | 4.10 | 44,833 |
| Titled People Quiz #3 | 0 | - | 4.33 | 42,291 |
| Job Titles Quiz #1 | 0 | - | 4.21 | 74,866 |
| Female Historical Figures | 0 | - | 4.31 | 32,304 |
| Historical Blunders | 0 | - | 4.33 | 90,217 |
| Disasters in History | 0 | - | 4.41 | 24,843 |
| Territorial Accessions | 0 | - | 4.38 | 33,787 |
| People Known as "The Great" | 0 | - | 4.44 | 23,776 |
| This Day in History - July | 0 | - | 4.48 | 35,881 |
| This Day in History - August | 0 | - | 4.41 | 42,713 |
| This Day in History - September | 0 | - | 4.55 | 56,390 |
| This Day in History - October | 0 | - | 4.48 | 37,098 |
| This Day in History - January | 0 | - | 4.53 | 45,750 |
| This Day in History - March | 0 | - | 4.45 | 42,941 |
| The 7 Wonders of the Ancient World | 0 | - | 4.80 | 67,367 |
| Ancient Civilizations | 0 | - | 4.62 | 36,184 |
| Geography of Ancient Greece | 0 | - | 4.77 | 31,039 |
| 17th Century A-Z | 0 | - | 4.64 | 25,933 |
| Battle to Country | 0 | - | 4.91 | 49,013 |
| The Reign of Napoleon | 0 | - | 4.54 | 37,571 |
| The Places They Went #1 | 0 | - | 4.75 | 33,034 |
| Famous Inventors | 0 | - | 4.43 | 43,044 |
| European History for Dummies | 0 | - | 4.83 | 85,928 |
| History of Scotland | 0 | - | 4.51 | 20,467 |
| Kings of France Quiz | 0 | - | 4.15 | 31,678 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.12 | 988,182 |
| Monarchies Bordering Monarchies | 0 | - | 4.85 | 58,312 |
| Countries with the Most Skyscrapers | 0 | - | 4.93 | 138,963 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.90 | 93,000 |
| Countries with the Tallest Buildings | 0 | - | 4.93 | 78,836 |
| Coldest Countries | 0 | - | 4.97 | 132,106 |
| Coldest World Capitals | 0 | - | 4.96 | 131,027 |
| Five Coldest Countries by Continent | 0 | - | 4.96 | 62,172 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 79,644 |
| Capital Cities with the Least Precipitation | 0 | - | 4.88 | 28,385 |
| World Currency Quiz | 0 | - | 4.92 | 263,215 |
| Countries with the Most Billionaires | 0 | - | 4.92 | 320,014 |
| Countries with the Most Millionaires | 0 | - | 4.85 | 101,795 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 187,120 |
| Countries with the Most Exports | 0 | - | 4.96 | 148,699 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 46,194 |
| Top Crude Oil Producing Countries | 0 | - | 4.91 | 182,154 |
| Countries by Oil Consumption | 0 | - | 4.96 | 116,538 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 70,467 |
| Richest Island Countries | 0 | - | 4.81 | 94,897 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 124,539 |
| Largest Economies in 2050 | 0 | - | 4.90 | 106,815 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 250,748 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 97,979 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 79,831 |
| U.S. Citizenship Test Questions | 0 | - | 4.84 | 231,998 |
| Countries with the Most Muslims | 0 | - | 4.94 | 153,702 |
| Buddhist Countries | 0 | - | 4.96 | 137,206 |
| The Sun Quiz | 0 | - | 4.93 | 31,762 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,059,939 |
