| Normandy D-Day Beaches | 0 | - | 4.81 | 36,568 |
| WWII Geography | 0 | - | 4.81 | 99,351 |
| WWII Figures by Picture | 0 | - | 4.88 | 40,296 |
| Territory Changes in World War I | 0 | - | 4.87 | 40,205 |
| Notable People of WWII | 0 | - | 4.52 | 80,029 |
| WWII Trivia #2 | 0 | - | 4.50 | 86,571 |
| WWI... or WWII? | 0 | - | 4.84 | 123,184 |
| Military History Vocabulary | 0 | - | 4.92 | 60,057 |
| WWII Trivia #1 | 0 | - | 4.36 | 161,765 |
| World War I Quiz | 0 | - | 4.79 | 92,656 |
| WWI A-Z | 0 | - | 4.48 | 35,352 |
| World War II Multiple Choice | 0 | - | 4.37 | 94,843 |
| Name a Valid Answer - World War II | 0 | - | 4.51 | 47,638 |
| WWII Movies | 0 | - | 4.19 | 25,664 |
| WWII A-Z #1 | 0 | - | 4.80 | 93,259 |
| WWII A-Z #2 | 0 | - | 4.48 | 49,944 |
| WWII Decoder | 0 | - | 4.44 | 48,792 |
| Invasions | 0 | - | 4.71 | 89,309 |
| Famous Battles Quiz | 0 | - | 4.25 | 46,635 |
| Name the War Quiz | 0 | - | 4.39 | 189,909 |
| Famous U.S. Generals | 0 | - | 4.25 | 36,960 |
| Names for Warriors | 0 | - | 4.40 | 34,541 |
| Countries with the Most Military Troops | 0 | - | 4.94 | 225,803 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 217,334 |
| Countries with NO Military | 0 | - | 4.96 | 49,227 |
| Top Arms Exporting Countries | 0 | - | 4.95 | 76,376 |
| Countries with the Most Tanks | 0 | - | 4.90 | 75,204 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 13,475 |
| Military History A-Z | 0 | - | 4.21 | 19,518 |
| Most Powerful Countries Bordering Each Other | 0 | - | 4.84 | 48,937 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 66,177 |
| "Second Best" History Edition | 0 | - | 4.94 | 46,267 |
| G7 Leaders Since 2003 | 0 | - | 4.46 | 38,453 |
| Famous Empires in History | 0 | - | 4.83 | 103,228 |
| People Who Died in Battle | 0 | - | 4.31 | 21,412 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.82 | 9,898 |
| Top Arms Importing Countries | 0 | - | 4.72 | 55,172 |
| World Leaders of the Cold War | 0 | - | 4.33 | 22,399 |
| Famous Dictators Quiz #1 | 0 | - | 4.75 | 183,259 |
| Art Works Picture Quiz #1 | 0 | - | 4.50 | 96,732 |
| Art Works Picture Quiz #2 | 0 | - | 4.46 | 86,264 |
| WWII for Dummies | 0 | - | 4.77 | 91,600 |
| Religions by Country of Origin Quiz | 0 | - | 4.29 | 72,605 |
| U.S. Military Acronyms | 0 | - | 4.38 | 86,469 |
| Historical Leaders by Date #1 | 0 | - | 4.50 | 28,247 |
| Historical Leaders by Date #2 | 0 | - | 4.54 | 27,150 |
| Historical Rulers #2 | 0 | - | 4.26 | 43,118 |
| Historical Rulers #1 | 0 | - | 4.32 | 111,320 |
| Former Countries by Territory Map | 0 | - | 4.97 | 85,647 |
| Empires by Maps | 0 | - | 4.98 | 94,225 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 101,744 |
| Hollywood Screen Legends Quiz | 0 | - | 4.02 | 33,682 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 46,343 |
| Countries with U.S. Troops | 0 | - | 4.39 | 125,424 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 48,106 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 33,421 |
| 100 Most Common English Words | 0 | - | 4.90 | 1,169,194 |
| Google What's the Difference? - History | 0 | - | 4.21 | 43,436 |
| Metals of Antiquity | 0 | - | 4.94 | 85,373 |
| Popular Royal Names | 0 | - | 4.25 | 115,995 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 39,750 |
| History: What Came First? #1 | 0 | - | 4.82 | 90,996 |
| Famous Dictators Quiz #2 | 0 | - | 4.34 | 79,800 |
| Mythical Creatures Quiz #1 | 0 | - | 4.91 | 655,452 |
| Art Works Picture Quiz #3 | 0 | - | 4.39 | 41,199 |
| 1960s Decade Quiz #2 | 0 | - | 4.44 | 41,576 |
| Years in History #1 - Multiple Choice | 0 | - | 4.84 | 62,847 |
| Wives of King Henry VIII | 0 | - | 4.53 | 44,630 |
| Countries the UK Declared War On | 0 | - | 4.58 | 112,261 |
| Geography of the British Empire | 0 | - | 4.50 | 37,020 |
| Weapons by Picture | 0 | - | 4.06 | 19,111 |
| Most Common English Verbs - Extreme | 0 | - | 4.95 | 136,474 |
| Cradles of Civilization | 0 | - | 4.41 | 32,243 |
| History of The Netherlands | 0 | - | 4.42 | 15,750 |
| Materials From History #1 | 0 | - | 4.54 | 44,870 |
| World Leaders Quiz #2 | 0 | - | 4.01 | 24,989 |
| UN Secretaries-General | 0 | - | 4.40 | 7,125 |
| First Names of Painters | 0 | - | 4.38 | 56,300 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 144,518 |
| 1960s Decade Quiz #1 | 0 | - | 4.38 | 47,304 |
| Biggest Nations and Empires Ever | 0 | - | 4.55 | 133,585 |
| Famous Explorers | 0 | - | 4.71 | 32,654 |
| Answers by Time Period | 0 | - | 4.49 | 42,616 |
| Territorial Accessions | 0 | - | 4.43 | 32,214 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,381 |
| Countries Italy Declared War On | 0 | - | 4.79 | 39,933 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 24,765 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.76 | 18,988 |
| Medieval English History | 0 | - | 4.52 | 40,792 |
| History of Germany Quiz | 0 | - | 4.35 | 40,132 |
| Most Important People in History | 0 | - | 3.97 | 46,348 |
| Fictional Military Characters Quiz | 0 | - | 4.24 | 18,888 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 124,188 |
| Countries with the Least Dense Road Networks | 0 | - | 4.82 | 38,137 |
| Monarchies of the World | 0 | - | 4.93 | 152,735 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 81,574 |
| Countries where the Sea Freezes | 0 | - | 4.91 | 81,274 |
| Largest Countries Without Deserts | 0 | - | 4.86 | 66,179 |
| Disney Animated Characters | 0 | - | 4.89 | 574,651 |
| All Disney Animated Movies | 0 | - | 4.82 | 385,553 |
| Countries by Number of Books Published | 0 | - | 4.95 | 63,605 |
| Fast Math - Addition | 0 | - | 4.82 | 478,659 |
| Fast Math - Double That Number! | 0 | - | 4.81 | 547,913 |
| NATO Countries Quiz | 0 | - | 4.98 | 225,334 |
| EU Countries Quiz | 0 | - | 4.99 | 227,790 |
| Top Five Countries by Religion | 0 | - | 4.90 | 141,897 |
| 7 Deadly Sins Quiz | 0 | - | 4.86 | 346,133 |
| Books of the Protestant Bible Quiz | 0 | - | 4.87 | 179,898 |
| Astronomy Quiz | 0 | - | 4.87 | 64,342 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 116,534 |
| Solar System Trivia | 0 | - | 4.95 | 38,452 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.90 | 57,811 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.88 | 91,289 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 107,138 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 128,357 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.89 | 75,250 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 109,323 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 66,436 |
| Influential Women in History | 0 | - | 4.47 | 30,454 |
| Former Flags | 0 | - | 4.98 | 81,428 |
| Ancient Greece A-Z | 0 | - | 4.65 | 20,731 |
| Historical Events - AD or BC? | 0 | - | 4.75 | 52,047 |
| Materials From History #2 | 0 | - | 4.58 | 24,866 |
| States of the German Confederation in 1848 | 0 | - | 4.83 | 26,489 |
| Former Capitals Quiz | 0 | - | 4.81 | 58,011 |
| Warsaw Pact Countries | 0 | - | 4.84 | 80,147 |
| 20th Century Dates Quiz | 0 | - | 4.53 | 37,907 |
| Events in History #2 | 0 | - | 4.47 | 66,864 |
| Events in History #4 | 0 | - | 4.43 | 40,969 |
| Name a Valid Year in History | 0 | - | 4.92 | 52,983 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.18 | 46,512 |
| Assassinations in History Quiz | 0 | - | 4.17 | 63,089 |
| Famous Seconds Quiz | 0 | - | 4.21 | 44,575 |
| Ages and Eras Quiz | 0 | - | 4.36 | 64,467 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.21 | 38,323 |
| Titled People Quiz #1 | 0 | - | 4.14 | 43,857 |
| Titled People Quiz #3 | 0 | - | 4.33 | 41,315 |
| Job Titles Quiz #1 | 0 | - | 4.23 | 73,524 |
| Historical Blunders | 0 | - | 4.32 | 86,707 |
| This Day in History - April | 0 | - | 4.42 | 43,312 |
| This Day in History - July | 0 | - | 4.48 | 35,059 |
| This Day in History - August | 0 | - | 4.41 | 41,752 |
| This Day in History - September | 0 | - | 4.54 | 54,840 |
| This Day in History - October | 0 | - | 4.49 | 36,285 |
| This Day in History - January | 0 | - | 4.53 | 44,400 |
| This Day in History - February | 0 | - | 4.41 | 38,367 |
| This Day in History - March | 0 | - | 4.44 | 41,910 |
| The 7 Wonders of the Ancient World | 0 | - | 4.79 | 65,613 |
| Ancient Civilizations | 0 | - | 4.55 | 34,606 |
| Geography of Ancient Greece | 0 | - | 4.77 | 30,008 |
| 19th Century A-Z | 0 | - | 4.82 | 34,293 |
| 17th Century A-Z | 0 | - | 4.61 | 24,056 |
| Battle to Country | 0 | - | 4.92 | 35,373 |
| The Reign of Napoleon | 0 | - | 4.53 | 36,091 |
| The Places They Went #1 | 0 | - | 4.77 | 32,375 |
| Famous Inventors | 0 | - | 4.44 | 42,428 |
| French History Multiple Choice | 0 | - | 4.54 | 29,858 |
| History of Scotland | 0 | - | 4.49 | 19,629 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.14 | 941,610 |
| Branches of the U.S. Military | 0 | - | 4.39 | 21,091 |
| Monarchies Bordering Monarchies | 0 | - | 4.86 | 55,680 |
| Countries with the Most Skyscrapers | 0 | - | 4.93 | 132,185 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.91 | 89,718 |
| Countries with the Tallest Buildings | 0 | - | 4.95 | 74,498 |
| Coldest Countries | 0 | - | 4.97 | 124,602 |
| Coldest World Capitals | 0 | - | 4.96 | 128,011 |
| Five Coldest Countries by Continent | 0 | - | 4.96 | 58,210 |
| Countries with the Least Precipitation | 0 | - | 4.89 | 68,031 |
| Capital Cities with the Least Precipitation | 0 | - | 4.90 | 27,393 |
| World Currency Quiz | 0 | - | 4.92 | 247,136 |
| Countries with the Most Billionaires | 0 | - | 4.94 | 280,872 |
| Countries with the Most Millionaires | 0 | - | 4.84 | 83,536 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 176,705 |
| Countries with the Most Exports | 0 | - | 4.96 | 123,076 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 41,274 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 161,232 |
| Countries by Oil Consumption | 0 | - | 4.96 | 111,404 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 66,326 |
| Cities with the Biggest Economies | 0 | - | 4.92 | 118,464 |
| Largest Economies in 2050 | 0 | - | 4.90 | 99,591 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 238,849 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 88,411 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.85 | 66,085 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 222,064 |
| Majority Muslim Countries | 0 | - | 4.97 | 313,147 |
| Countries with the Most Muslims | 0 | - | 4.93 | 131,614 |
| Buddhist Countries | 0 | - | 4.96 | 130,711 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,007,764 |
| Country Logic Puzzle 4x4 – Sudoku style | 0 | - | 5.00 | 25,424 |
| Countries Hidden in a Letter #1 | 0 | - | 5.00 | 42,629 |
| Countries that Start with A | 0 | - | 4.98 | 1,942,923 |
| Countries that Start with B | 0 | - | 4.95 | 2,081,520 |
| Countries that Start with C | 0 | - | 4.96 | 1,646,233 |
| Countries that Start with D | 0 | - | 4.96 | 592,932 |
| Countries that Start with E | 0 | - | 4.95 | 1,231,841 |
| Countries that Start with G | 0 | - | 4.97 | 1,351,252 |
| Countries that Start with H | 0 | - | 4.95 | 505,649 |
| Countries that Start with I | 0 | - | 4.92 | 1,161,522 |
| Countries that Start with J | 0 | - | 4.98 | 508,807 |
| Countries that Start with K | 0 | - | 4.96 | 712,758 |
