| Territory Changes in World War I | 0 | - | 4.88 | 43,849 |
| Normandy D-Day Beaches | 0 | - | 4.81 | 38,774 |
| WWII Geography | 0 | - | 4.82 | 114,947 |
| WWII Figures by Picture | 0 | - | 4.83 | 46,340 |
| WWI... or WWII? | 0 | - | 4.84 | 133,680 |
| World War I Quiz | 0 | - | 4.78 | 96,919 |
| WWI A-Z | 0 | - | 4.49 | 37,025 |
| Military History Vocabulary | 0 | - | 4.91 | 64,091 |
| Notable People of WWII | 0 | - | 4.54 | 83,589 |
| WWII Trivia #2 | 0 | - | 4.51 | 100,007 |
| WWII Trivia #1 | 0 | - | 4.36 | 170,756 |
| World War II Multiple Choice | 0 | - | 4.37 | 100,379 |
| Name a Valid Answer - World War II | 0 | - | 4.52 | 52,412 |
| Invasions | 0 | - | 4.63 | 94,057 |
| Names for Warriors | 0 | - | 4.42 | 35,892 |
| WWII Movies | 0 | - | 4.21 | 26,491 |
| WWII A-Z #1 | 0 | - | 4.79 | 99,134 |
| WWII A-Z #2 | 0 | - | 4.44 | 52,672 |
| WWII Decoder | 0 | - | 4.41 | 51,368 |
| Famous Battles Quiz | 0 | - | 4.24 | 47,974 |
| Name the War Quiz | 0 | - | 4.38 | 197,095 |
| Famous U.S. Generals | 0 | - | 4.26 | 37,871 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 267,382 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 248,858 |
| Countries with NO Military | 0 | - | 4.96 | 56,324 |
| Top Arms Exporting Countries | 0 | - | 4.95 | 81,165 |
| Countries with the Most Tanks | 0 | - | 4.85 | 81,162 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 14,423 |
| Military History A-Z | 0 | - | 4.19 | 20,447 |
| Most Powerful Countries Bordering Each Other | 0 | - | 4.86 | 54,592 |
| Time Magazine Person of the Year | 0 | - | 4.55 | 70,385 |
| "Second Best" History Edition | 0 | - | 4.94 | 55,398 |
| G7 Leaders Since 2003 | 0 | - | 4.47 | 41,132 |
| People Who Died in Battle | 0 | - | 4.35 | 21,924 |
| Top Arms Importing Countries | 0 | - | 4.68 | 58,502 |
| World Leaders of the Cold War | 0 | - | 4.31 | 23,774 |
| Famous Dictators Quiz #1 | 0 | - | 4.69 | 192,528 |
| Art Works Picture Quiz #1 | 0 | - | 4.50 | 104,091 |
| Art Works Picture Quiz #2 | 0 | - | 4.47 | 92,929 |
| Art Works Picture Quiz #3 | 0 | - | 4.41 | 45,422 |
| WWII for Dummies | 0 | - | 4.78 | 99,105 |
| Religions by Country of Origin Quiz | 0 | - | 4.28 | 74,883 |
| U.S. Military Acronyms | 0 | - | 4.39 | 98,748 |
| Historical Leaders by Date #1 | 0 | - | 4.49 | 30,100 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 28,973 |
| Historical Rulers #2 | 0 | - | 4.26 | 45,737 |
| Historical Rulers #1 | 0 | - | 4.34 | 115,872 |
| Former Countries by Territory Map | 0 | - | 4.96 | 94,886 |
| Empires by Maps | 0 | - | 4.98 | 108,347 |
| World Leaders Quiz #1 | 0 | - | 4.13 | 106,123 |
| Hollywood Screen Legends Quiz | 0 | - | 4.04 | 34,343 |
| Ultimate 20th Century History Quiz | 0 | - | 4.84 | 50,457 |
| Countries with U.S. Troops | 0 | - | 4.37 | 129,523 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 50,006 |
| Major non-NATO U.S. Allies | 0 | - | 4.50 | 49,272 |
| 100 Most Common English Words | 0 | - | 4.89 | 1,249,556 |
| Google What's the Difference? - History | 0 | - | 4.20 | 45,008 |
| Metals of Antiquity | 0 | - | 4.94 | 89,874 |
| Popular Royal Names | 0 | - | 4.27 | 121,552 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 43,467 |
| History: What Came First? #1 | 0 | - | 4.86 | 98,972 |
| Famous Dictators Quiz #2 | 0 | - | 4.35 | 84,035 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 688,181 |
| 1960s Decade Quiz #2 | 0 | - | 4.44 | 43,152 |
| Years in History #1 - Multiple Choice | 0 | - | 4.83 | 67,136 |
| Wives of King Henry VIII | 0 | - | 4.55 | 52,485 |
| Countries the UK Declared War On | 0 | - | 4.56 | 117,827 |
| Geography of the British Empire | 0 | - | 4.51 | 38,486 |
| Weapons by Picture | 0 | - | 4.10 | 20,153 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 148,347 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.70 | 11,358 |
| Top 10 Oldest African Countries | 0 | - | 4.87 | 25,551 |
| Influential Women in History | 0 | - | 4.44 | 31,941 |
| Cradles of Civilization | 0 | - | 4.44 | 36,132 |
| History of The Netherlands | 0 | - | 4.45 | 16,589 |
| Materials From History #1 | 0 | - | 4.56 | 48,300 |
| Historical Countries by Ruler | 0 | - | 4.47 | 44,406 |
| World Leaders Quiz #2 | 0 | - | 4.02 | 26,232 |
| UN Secretaries-General | 0 | - | 4.40 | 7,528 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.05 | 19,052 |
| First Names of Painters | 0 | - | 4.40 | 58,051 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 152,324 |
| 1960s Decade Quiz #1 | 0 | - | 4.39 | 48,591 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 141,125 |
| Famous Explorers | 0 | - | 4.64 | 34,641 |
| Famous Empires in History | 0 | - | 4.79 | 114,220 |
| Answers by Time Period | 0 | - | 4.56 | 53,750 |
| Ancient Greek Trivia | 0 | - | 4.56 | 65,342 |
| Countries Italy Declared War On | 0 | - | 4.75 | 41,856 |
| French History Multiple Choice | 0 | - | 4.55 | 31,812 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.96 | 39,060 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 52,343 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,220 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.77 | 19,668 |
| Medieval English History | 0 | - | 4.53 | 42,354 |
| History of Germany | 0 | - | 4.38 | 51,489 |
| Most Important People in History | 0 | - | 3.99 | 48,673 |
| Fictional Military Characters Quiz | 0 | - | 4.26 | 19,272 |
| Branches of the U.S. Military | 0 | - | 4.41 | 22,986 |
| Countries with the Most Elite Universities | 0 | - | 4.93 | 138,507 |
| Monarchies of the World | 0 | - | 4.93 | 158,683 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 105,023 |
| Countries where the Sea Freezes | 0 | - | 4.90 | 86,643 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 71,036 |
| Disney Animated Characters | 0 | - | 4.88 | 589,068 |
| All Disney Animated Movies | 0 | - | 4.81 | 426,604 |
| People on Money by Country | 0 | - | 4.81 | 57,730 |
| Countries by Number of Books Published | 0 | - | 4.94 | 68,632 |
| Fast Math - Addition | 0 | - | 4.85 | 505,030 |
| Fast Math - Double That Number! | 0 | - | 4.81 | 589,467 |
| NATO Countries Quiz | 0 | - | 4.98 | 257,929 |
| EU Countries Quiz | 0 | - | 4.99 | 254,698 |
| Top Five Countries by Religion | 0 | - | 4.91 | 157,434 |
| 7 Deadly Sins Quiz | 0 | - | 4.88 | 377,178 |
| Books of the Protestant Bible | 0 | - | 4.88 | 192,700 |
| Majority Muslim Countries | 0 | - | 4.98 | 330,065 |
| Astronomy Quiz | 0 | - | 4.89 | 77,373 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 127,707 |
| Solar System Trivia | 0 | - | 4.95 | 42,741 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.90 | 62,184 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.86 | 97,482 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 119,832 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 135,990 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.90 | 82,227 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.83 | 35,339 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 113,993 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 68,772 |
| Former Flags | 0 | - | 4.98 | 101,636 |
| Years in History by Picture | 0 | - | 4.45 | 32,700 |
| Ancient Greece A-Z | 0 | - | 4.61 | 22,091 |
| Historical Events - AD or BC? | 0 | - | 4.74 | 55,253 |
| Materials From History #2 | 0 | - | 4.58 | 30,187 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 29,422 |
| Former Capitals Quiz | 0 | - | 4.87 | 69,314 |
| Cold War Decoder | 0 | - | 4.82 | 49,637 |
| Warsaw Pact Countries | 0 | - | 4.81 | 82,575 |
| 20th Century Dates Quiz | 0 | - | 4.55 | 38,733 |
| Events in History #2 | 0 | - | 4.48 | 69,402 |
| Events in History #4 | 0 | - | 4.42 | 42,734 |
| Name a Valid Year in History | 0 | - | 4.92 | 61,297 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.20 | 47,886 |
| Assassinations in History Quiz | 0 | - | 4.19 | 64,719 |
| Famous Seconds Quiz | 0 | - | 4.21 | 45,451 |
| Ages and Eras Quiz | 0 | - | 4.39 | 66,202 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 38,923 |
| Titled People Quiz #1 | 0 | - | 4.10 | 44,825 |
| Titled People Quiz #3 | 0 | - | 4.33 | 42,278 |
| Job Titles Quiz #1 | 0 | - | 4.21 | 74,855 |
| Female Historical Figures | 0 | - | 4.31 | 32,297 |
| Historical Blunders | 0 | - | 4.33 | 90,190 |
| Disasters in History | 0 | - | 4.41 | 24,838 |
| Territorial Accessions | 0 | - | 4.38 | 33,779 |
| People Known as "The Great" | 0 | - | 4.44 | 23,768 |
| This Day in History - July | 0 | - | 4.48 | 35,876 |
| This Day in History - August | 0 | - | 4.41 | 42,702 |
| This Day in History - September | 0 | - | 4.55 | 56,377 |
| This Day in History - October | 0 | - | 4.48 | 37,093 |
| This Day in History - January | 0 | - | 4.53 | 45,735 |
| This Day in History - March | 0 | - | 4.45 | 42,935 |
| The 7 Wonders of the Ancient World | 0 | - | 4.80 | 67,359 |
| Ancient Civilizations | 0 | - | 4.62 | 36,171 |
| Geography of Ancient Greece | 0 | - | 4.77 | 31,028 |
| 17th Century A-Z | 0 | - | 4.64 | 25,806 |
| Battle to Country | 0 | - | 4.91 | 48,958 |
| The Reign of Napoleon | 0 | - | 4.54 | 37,559 |
| The Places They Went #1 | 0 | - | 4.75 | 33,028 |
| Famous Inventors | 0 | - | 4.43 | 43,039 |
| European History for Dummies | 0 | - | 4.83 | 85,840 |
| History of Scotland | 0 | - | 4.51 | 20,459 |
| Kings of France Quiz | 0 | - | 4.15 | 31,668 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.12 | 987,801 |
| Monarchies Bordering Monarchies | 0 | - | 4.85 | 58,291 |
| Countries with the Most Skyscrapers | 0 | - | 4.93 | 138,911 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.90 | 92,966 |
| Countries with the Tallest Buildings | 0 | - | 4.93 | 78,782 |
| Coldest Countries | 0 | - | 4.97 | 132,045 |
| Coldest World Capitals | 0 | - | 4.96 | 130,994 |
| Five Coldest Countries by Continent | 0 | - | 4.96 | 62,140 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 79,610 |
| Capital Cities with the Least Precipitation | 0 | - | 4.88 | 28,371 |
| World Currency Quiz | 0 | - | 4.92 | 263,079 |
| Countries with the Most Billionaires | 0 | - | 4.92 | 319,773 |
| Countries with the Most Millionaires | 0 | - | 4.85 | 101,590 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 187,020 |
| Countries with the Most Exports | 0 | - | 4.96 | 148,616 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 46,144 |
| Top Crude Oil Producing Countries | 0 | - | 4.91 | 182,069 |
| Countries by Oil Consumption | 0 | - | 4.96 | 116,498 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 70,432 |
| Richest Island Countries | 0 | - | 4.81 | 94,823 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 124,462 |
| Largest Economies in 2050 | 0 | - | 4.90 | 106,765 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 250,653 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 97,905 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 79,774 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 231,913 |
| Countries with the Most Muslims | 0 | - | 4.94 | 153,640 |
| Buddhist Countries | 0 | - | 4.96 | 137,153 |
| The Sun Quiz | 0 | - | 4.93 | 31,734 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,059,523 |
