| Territory Changes in World War I | 0 | - | 4.87 | 40,314 |
| Normandy D-Day Beaches | 0 | - | 4.81 | 36,631 |
| WWII Geography | 0 | - | 4.81 | 99,537 |
| WWII Figures by Picture | 0 | - | 4.88 | 40,467 |
| WWI... or WWII? | 0 | - | 4.84 | 123,521 |
| World War I Quiz | 0 | - | 4.79 | 92,794 |
| WWI A-Z | 0 | - | 4.48 | 35,409 |
| Military History Vocabulary | 0 | - | 4.92 | 60,172 |
| Notable People of WWII | 0 | - | 4.52 | 80,113 |
| WWII Trivia #2 | 0 | - | 4.50 | 86,696 |
| WWII Trivia #1 | 0 | - | 4.36 | 162,005 |
| World War II Multiple Choice | 0 | - | 4.38 | 95,401 |
| Name a Valid Answer - World War II | 0 | - | 4.51 | 47,801 |
| Invasions | 0 | - | 4.71 | 89,498 |
| WWII Movies | 0 | - | 4.19 | 25,698 |
| WWII A-Z #1 | 0 | - | 4.79 | 93,394 |
| WWII A-Z #2 | 0 | - | 4.48 | 50,021 |
| WWII Decoder | 0 | - | 4.44 | 48,870 |
| Famous Battles Quiz | 0 | - | 4.25 | 46,661 |
| Name the War Quiz | 0 | - | 4.39 | 190,123 |
| Famous U.S. Generals | 0 | - | 4.25 | 36,975 |
| Names for Warriors | 0 | - | 4.40 | 34,574 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 226,196 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 217,881 |
| Countries with NO Military | 0 | - | 4.97 | 49,521 |
| Top Arms Exporting Countries | 0 | - | 4.95 | 76,550 |
| Countries with the Most Tanks | 0 | - | 4.90 | 75,464 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 13,497 |
| Military History A-Z | 0 | - | 4.21 | 19,548 |
| Most Powerful Countries Bordering Each Other | 0 | - | 4.84 | 49,205 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 66,283 |
| "Second Best" History Edition | 0 | - | 4.94 | 46,516 |
| G7 Leaders Since 2003 | 0 | - | 4.46 | 38,543 |
| Famous Empires in History | 0 | - | 4.83 | 103,530 |
| People Who Died in Battle | 0 | - | 4.31 | 21,423 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.82 | 9,929 |
| Top Arms Importing Countries | 0 | - | 4.72 | 55,280 |
| World Leaders of the Cold War | 0 | - | 4.33 | 22,440 |
| Famous Dictators Quiz #1 | 0 | - | 4.79 | 183,492 |
| Art Works Picture Quiz #1 | 0 | - | 4.50 | 96,825 |
| Art Works Picture Quiz #2 | 0 | - | 4.46 | 86,332 |
| WWII for Dummies | 0 | - | 4.76 | 91,825 |
| Religions by Country of Origin Quiz | 0 | - | 4.29 | 72,688 |
| U.S. Military Acronyms | 0 | - | 4.38 | 86,535 |
| Historical Leaders by Date #1 | 0 | - | 4.50 | 28,282 |
| Historical Leaders by Date #2 | 0 | - | 4.54 | 27,189 |
| Historical Rulers #2 | 0 | - | 4.26 | 43,173 |
| Historical Rulers #1 | 0 | - | 4.32 | 111,434 |
| Former Countries by Territory Map | 0 | - | 4.97 | 85,896 |
| Empires by Maps | 0 | - | 4.98 | 94,594 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 101,872 |
| Hollywood Screen Legends Quiz | 0 | - | 4.02 | 33,718 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 46,498 |
| Countries with U.S. Troops | 0 | - | 4.39 | 125,542 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 48,163 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 33,482 |
| 100 Most Common English Words | 0 | - | 4.90 | 1,171,582 |
| Google What's the Difference? - History | 0 | - | 4.21 | 43,498 |
| Metals of Antiquity | 0 | - | 4.94 | 85,467 |
| Popular Royal Names | 0 | - | 4.25 | 116,143 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 39,865 |
| History: What Came First? #1 | 0 | - | 4.82 | 91,197 |
| Famous Dictators Quiz #2 | 0 | - | 4.34 | 79,880 |
| Mythical Creatures Quiz #1 | 0 | - | 4.91 | 656,319 |
| Art Works Picture Quiz #3 | 0 | - | 4.39 | 41,238 |
| 1960s Decade Quiz #2 | 0 | - | 4.44 | 41,651 |
| Years in History #1 - Multiple Choice | 0 | - | 4.83 | 62,962 |
| Wives of King Henry VIII | 0 | - | 4.53 | 44,647 |
| Countries the UK Declared War On | 0 | - | 4.58 | 112,422 |
| Geography of the British Empire | 0 | - | 4.50 | 37,068 |
| Weapons by Picture | 0 | - | 4.06 | 19,141 |
| Most Common English Verbs - Extreme | 0 | - | 4.95 | 136,757 |
| Cradles of Civilization | 0 | - | 4.41 | 32,360 |
| History of The Netherlands | 0 | - | 4.42 | 15,782 |
| Materials From History #1 | 0 | - | 4.54 | 44,962 |
| World Leaders Quiz #2 | 0 | - | 4.01 | 25,023 |
| UN Secretaries-General | 0 | - | 4.40 | 7,130 |
| First Names of Painters | 0 | - | 4.38 | 56,348 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 144,827 |
| 1960s Decade Quiz #1 | 0 | - | 4.38 | 47,365 |
| Biggest Nations and Empires Ever | 0 | - | 4.55 | 133,801 |
| Famous Explorers | 0 | - | 4.71 | 32,702 |
| Answers by Time Period | 0 | - | 4.49 | 42,673 |
| Territorial Accessions | 0 | - | 4.43 | 32,248 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,445 |
| Countries Italy Declared War On | 0 | - | 4.79 | 39,988 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 24,777 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.76 | 19,004 |
| Medieval English History | 0 | - | 4.52 | 40,827 |
| History of Germany Quiz | 0 | - | 4.35 | 40,180 |
| Most Important People in History | 0 | - | 3.97 | 46,416 |
| Fictional Military Characters Quiz | 0 | - | 4.24 | 18,896 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 124,618 |
| Countries with the Least Dense Road Networks | 0 | - | 4.82 | 38,197 |
| Monarchies of the World | 0 | - | 4.93 | 152,985 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 81,689 |
| Countries where the Sea Freezes | 0 | - | 4.91 | 81,406 |
| Largest Countries Without Deserts | 0 | - | 4.86 | 66,301 |
| Disney Animated Characters | 0 | - | 4.89 | 575,172 |
| All Disney Animated Movies | 0 | - | 4.82 | 386,339 |
| Countries by Number of Books Published | 0 | - | 4.95 | 63,752 |
| Fast Math - Addition | 0 | - | 4.82 | 479,441 |
| Fast Math - Double That Number! | 0 | - | 4.81 | 548,798 |
| NATO Countries Quiz | 0 | - | 4.98 | 225,927 |
| EU Countries Quiz | 0 | - | 4.99 | 228,305 |
| Top Five Countries by Religion | 0 | - | 4.90 | 142,312 |
| 7 Deadly Sins Quiz | 0 | - | 4.86 | 346,471 |
| Books of the Protestant Bible Quiz | 0 | - | 4.87 | 180,192 |
| Astronomy Quiz | 0 | - | 4.87 | 64,450 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 116,850 |
| Solar System Trivia | 0 | - | 4.95 | 38,542 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 57,944 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.86 | 91,386 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 107,537 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 128,590 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.89 | 75,438 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 109,441 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 66,477 |
| Influential Women in History | 0 | - | 4.47 | 30,485 |
| Former Flags | 0 | - | 4.98 | 81,610 |
| Ancient Greece A-Z | 0 | - | 4.65 | 20,780 |
| Historical Events - AD or BC? | 0 | - | 4.75 | 52,138 |
| Materials From History #2 | 0 | - | 4.58 | 24,891 |
| States of the German Confederation in 1848 | 0 | - | 4.83 | 26,579 |
| Former Capitals Quiz | 0 | - | 4.81 | 58,046 |
| Warsaw Pact Countries | 0 | - | 4.84 | 80,226 |
| 20th Century Dates Quiz | 0 | - | 4.53 | 37,927 |
| Events in History #2 | 0 | - | 4.47 | 66,952 |
| Events in History #4 | 0 | - | 4.43 | 41,036 |
| Name a Valid Year in History | 0 | - | 4.92 | 53,231 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.18 | 46,548 |
| Assassinations in History Quiz | 0 | - | 4.17 | 63,135 |
| Famous Seconds Quiz | 0 | - | 4.21 | 44,592 |
| Ages and Eras Quiz | 0 | - | 4.36 | 64,515 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.22 | 38,334 |
| Titled People Quiz #1 | 0 | - | 4.14 | 43,877 |
| Titled People Quiz #3 | 0 | - | 4.33 | 41,336 |
| Job Titles Quiz #1 | 0 | - | 4.23 | 73,553 |
| Historical Blunders | 0 | - | 4.32 | 86,766 |
| This Day in History - April | 0 | - | 4.42 | 43,335 |
| This Day in History - July | 0 | - | 4.48 | 35,090 |
| This Day in History - August | 0 | - | 4.41 | 41,779 |
| This Day in History - September | 0 | - | 4.54 | 54,902 |
| This Day in History - October | 0 | - | 4.49 | 36,309 |
| This Day in History - January | 0 | - | 4.53 | 44,455 |
| This Day in History - February | 0 | - | 4.41 | 38,389 |
| This Day in History - March | 0 | - | 4.44 | 41,944 |
| The 7 Wonders of the Ancient World | 0 | - | 4.79 | 65,644 |
| Ancient Civilizations | 0 | - | 4.55 | 34,644 |
| Geography of Ancient Greece | 0 | - | 4.76 | 30,033 |
| 19th Century A-Z | 0 | - | 4.82 | 34,347 |
| 17th Century A-Z | 0 | - | 4.61 | 24,086 |
| Battle to Country | 0 | - | 4.92 | 35,582 |
| The Reign of Napoleon | 0 | - | 4.53 | 36,130 |
| The Places They Went #1 | 0 | - | 4.77 | 32,389 |
| Famous Inventors | 0 | - | 4.44 | 42,440 |
| French History Multiple Choice | 0 | - | 4.54 | 29,920 |
| History of Scotland | 0 | - | 4.49 | 19,652 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.14 | 943,301 |
| Branches of the U.S. Military | 0 | - | 4.39 | 21,148 |
| Countries with the Most Skyscrapers | 0 | - | 4.93 | 132,390 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.91 | 89,825 |
| Countries with the Tallest Buildings | 0 | - | 4.95 | 74,626 |
| Coldest Countries | 0 | - | 4.97 | 124,817 |
| Coldest World Capitals | 0 | - | 4.96 | 128,076 |
| Five Coldest Countries by Continent | 0 | - | 4.96 | 58,303 |
| Countries with the Least Precipitation | 0 | - | 4.89 | 68,115 |
| Capital Cities with the Least Precipitation | 0 | - | 4.90 | 27,411 |
| World Currency Quiz | 0 | - | 4.92 | 247,613 |
| Countries with the Most Billionaires | 0 | - | 4.94 | 281,258 |
| Countries with the Most Millionaires | 0 | - | 4.85 | 83,799 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 177,083 |
| Countries with the Most Exports | 0 | - | 4.96 | 123,264 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 41,406 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 161,798 |
| Countries by Oil Consumption | 0 | - | 4.96 | 111,514 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 66,443 |
| Cities with the Biggest Economies | 0 | - | 4.92 | 118,603 |
| Largest Economies in 2050 | 0 | - | 4.90 | 99,764 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 239,374 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 88,864 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.85 | 66,342 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 222,265 |
| Majority Muslim Countries | 0 | - | 4.97 | 313,534 |
| Countries with the Most Muslims | 0 | - | 4.93 | 131,817 |
| Buddhist Countries | 0 | - | 4.96 | 130,839 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,008,931 |
| Country Logic Puzzle 4x4 – Sudoku style | 0 | - | 5.00 | 25,463 |
| Countries Hidden in a Letter #1 | 0 | - | 5.00 | 42,718 |
| Countries that Start with A | 0 | - | 4.98 | 1,946,764 |
| Countries that Start with B | 0 | - | 4.95 | 2,085,307 |
| Countries that Start with C | 0 | - | 4.96 | 1,649,378 |
| Countries that Start with D | 0 | - | 4.96 | 594,867 |
| Countries that Start with E | 0 | - | 4.95 | 1,234,317 |
| Countries that Start with G | 0 | - | 4.97 | 1,353,777 |
| Countries that Start with H | 0 | - | 4.95 | 507,322 |
| Countries that Start with I | 0 | - | 4.92 | 1,164,032 |
| Countries that Start with J | 0 | - | 4.98 | 510,449 |
| Countries that Start with K | 0 | - | 4.96 | 714,617 |
| Countries that Start with L | 0 | - | 4.98 | 973,496 |
