| Monarchies of the World | 0 | - | 4.94 | 166,466 |
| Monarchies Bordering Monarchies | 0 | - | 4.85 | 59,940 |
| Popular Royal Names | 0 | - | 4.27 | 124,448 |
| "Second Best" History Edition | 0 | - | 4.94 | 61,672 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,508 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,879 |
| Military History Vocabulary | 0 | - | 4.91 | 66,608 |
| Empires A-Z | 0 | - | 4.51 | 44,781 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,098 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,373 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,085 |
| Territory Changes in World War I | 0 | - | 4.86 | 46,190 |
| History by Letter - A | 0 | - | 4.51 | 152,039 |
| History by Letter - B | 0 | - | 4.45 | 171,178 |
| History by Letter - C | 0 | - | 4.69 | 170,205 |
| History by Letter - E | 0 | - | 4.51 | 139,770 |
| History by Letter - G | 0 | - | 4.45 | 121,385 |
| History by Letter - H | 0 | - | 4.45 | 135,810 |
| History by Letter - J | 0 | - | 4.51 | 153,161 |
| History by Letter - N | 0 | - | 4.44 | 103,346 |
| History by Letter - S | 0 | - | 4.47 | 93,631 |
| History by Letter - W | 0 | - | 4.45 | 108,674 |
| History by Letter - M | 0 | - | 4.54 | 119,043 |
| History by Letter - K | 0 | - | 4.50 | 100,781 |
| History by Letter - L | 0 | - | 4.49 | 111,453 |
| History by Letter - I | 0 | - | 4.46 | 103,630 |
| NATO Military Alphabet | 0 | - | 4.98 | 553,735 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 797,594 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,391 |
| Empires by Maps | 0 | - | 4.98 | 118,267 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,167 |
| WWII Geography | 0 | - | 4.81 | 119,293 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,453 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,790 |
| Name the War | 0 | - | 4.37 | 200,693 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,398 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,812 |
| Famous Families #1 | 0 | - | 4.20 | 83,380 |
| Names for Warriors | 0 | - | 4.40 | 36,782 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,056 |
| Countries by Military Spending | 0 | - | 4.93 | 176,317 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,459 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,620 |
| Famous Dictators #1 | 0 | - | 4.69 | 198,678 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,421 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,591 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,522 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,547 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,781 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,936 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,188 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,318 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,576 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,304,006 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,210 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,042 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,184 |
| Historical Rulers #1 | 0 | - | 4.35 | 118,449 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 109,614 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,161 |
| History by Letter - D | 0 | - | 4.39 | 136,829 |
| History by Letter - F | 0 | - | 4.18 | 113,646 |
| History by Letter - O | 0 | - | 4.31 | 99,006 |
| History by Letter - P | 0 | - | 4.38 | 107,290 |
| History by Letter - Q | 0 | - | 4.34 | 79,941 |
| History by Letter - R | 0 | - | 4.26 | 121,599 |
| History by Letter - T | 0 | - | 4.39 | 104,830 |
| History by Letter - U | 0 | - | 4.19 | 100,190 |
| History by Letter - V | 0 | - | 4.27 | 80,329 |
| History by Letter - Y | 0 | - | 4.27 | 86,903 |
| History by Letter - Z | 0 | - | 4.18 | 76,710 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,103 |
| History Containing the Letter X | 0 | - | 4.47 | 26,923 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,336 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 15,004 |
| Influential Women in History | 0 | - | 4.42 | 34,915 |
| Metals of Antiquity | 0 | - | 4.94 | 92,842 |
| Cradles of Civilization | 0 | - | 4.46 | 38,976 |
| Materials From History #1 | 0 | - | 4.56 | 50,532 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,112 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,107 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,103 |
| WWI... or WWII? | 0 | - | 4.85 | 140,524 |
| Oldest Things | 0 | - | 3.92 | 65,585 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,757 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,086 |
| Famous Explorers | 0 | - | 4.58 | 35,923 |
| Famous Empires by Description | 0 | - | 4.70 | 117,485 |
| Answers by Time Period | 0 | - | 4.63 | 55,239 |
| Famous Firsts #2 | 0 | - | 4.00 | 80,834 |
| Famous Firsts #3 - The United States | 0 | - | 4.17 | 14,484 |
| 20th Century A-Z | 0 | - | 4.50 | 53,137 |
| 19th Century A-Z | 0 | - | 4.77 | 46,707 |
| 18th Century A-Z | 0 | - | 4.54 | 42,619 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,627 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,705 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,822 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,003 |
| World Leaders Quiz #2 | 0 | - | 4.00 | 35,639 |
| UN Secretaries-General | 0 | - | 4.40 | 7,756 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,535 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,064 |
| First Names of Painters | 0 | - | 4.43 | 59,582 |
| Notable People of WWII | 0 | - | 4.53 | 85,299 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,385 |
| World War I Quiz | 0 | - | 4.78 | 100,199 |
| WWI A-Z | 0 | - | 4.50 | 38,005 |
| Same Start and End Letter - History #1 | 0 | - | 4.16 | 24,656 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,521 |
| History Ending in Z | 0 | - | 4.35 | 13,447 |
| Most Important People in History | 0 | - | 3.99 | 50,361 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,782 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,662 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 267,915 |
| Countries with NO Military | 0 | - | 4.97 | 61,111 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 85,030 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,649 |
| Queen in the Answers | 0 | - | 4.29 | 52,549 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,449 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 110,851 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,377 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,632 |
| Numbers Tile Select Quiz | 0 | - | 4.98 | 73,961 |
| People on Money by Country | 0 | - | 4.83 | 59,950 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,865 |
| NATO Countries | 0 | - | 4.98 | 275,364 |
| EU Countries Quiz | 0 | - | 4.99 | 269,633 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,897 |
| Books of the Protestant Bible | 0 | - | 4.89 | 206,980 |
| Astronomy Quiz | 0 | - | 4.89 | 81,615 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 135,619 |
| Solar System Trivia | 0 | - | 4.93 | 45,952 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,385 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 65,126 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,669 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 128,519 |
| Geography by Letter - T | 0 | - | 4.84 | 152,249 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 165,316 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 86,608 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.84 | 39,022 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 116,719 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,244 |
| Years in History by Picture | 0 | - | 4.44 | 35,065 |
| History of The Netherlands | 0 | - | 4.46 | 17,303 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,159 |
| Materials From History #2 | 0 | - | 4.59 | 30,897 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,304 |
| Events in History #2 | 0 | - | 4.49 | 71,398 |
| Events in History #4 | 0 | - | 4.44 | 44,081 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,791 |
| Assassinations in History | 0 | - | 4.20 | 65,928 |
| Famous Seconds | 0 | - | 4.22 | 46,370 |
| Ages and Eras Quiz | 0 | - | 4.38 | 67,425 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,380 |
| Titled People Quiz #1 | 0 | - | 4.10 | 45,592 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,014 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,810 |
| Female Historical Figures | 0 | - | 4.31 | 33,080 |
| Historical Blunders | 0 | - | 4.33 | 91,643 |
| Territorial Accessions | 0 | - | 4.38 | 34,615 |
| People Known as "The Great" | 0 | - | 4.46 | 24,498 |
| This Day in History - July | 0 | - | 4.49 | 36,362 |
| This Day in History - August | 0 | - | 4.42 | 43,237 |
| This Day in History - September | 0 | - | 4.55 | 57,244 |
| This Day in History - October | 0 | - | 4.49 | 37,546 |
| This Day in History - January | 0 | - | 4.53 | 46,562 |
| This Day in History - March | 0 | - | 4.45 | 43,531 |
| Ancient Civilizations | 0 | - | 4.63 | 37,733 |
| 16th Century A-Z | 0 | - | 4.58 | 24,368 |
| 15th Century A-Z | 0 | - | 4.49 | 23,381 |
| 17th Century A-Z | 0 | - | 4.78 | 34,152 |
| The Places They Went #1 | 0 | - | 4.74 | 33,437 |
| Famous Inventors | 0 | - | 4.43 | 43,443 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,010,299 |
| U.S. Army Ranks | 0 | - | 4.47 | 102,601 |
| Top 30 Most Powerful Militaries | 0 | - | 4.53 | 175,091 |
| Countries with Aircraft Carriers | 0 | - | 4.75 | 123,067 |
| Names of Army Units | 0 | - | 4.63 | 36,598 |
| Formula One World Champions | 0 | - | 4.96 | 384,859 |
| IMDB Top 100 Movies | 0 | - | 4.45 | 203,157 |
| Disney Animated Characters | 0 | - | 4.88 | 598,884 |
| Authors with Books Turned into Movies | 0 | - | 4.44 | 62,603 |
| Corporate Partnerships | 0 | - | 4.56 | 36,782 |
| Prime Numbers 1-100 | 0 | - | 4.53 | 125,865 |
| Perfect Squares | 0 | - | 4.53 | 101,773 |
| Digits of Pi | 0 | - | 4.24 | 1,158,246 |
| Fast Math - Addition | 0 | - | 4.87 | 519,639 |
| Mathematics General Knowledge | 0 | - | 4.47 | 66,313 |
| Major World Religions | 0 | - | 4.78 | 92,515 |
| Religion General Knowledge #2 | 0 | - | 4.47 | 73,637 |
| Religion General Knowledge #3 | 0 | - | 4.46 | 69,044 |
| Religion General Knowledge #5 | 0 | - | 4.51 | 45,949 |
| 7 Deadly Sins | 0 | - | 4.88 | 394,494 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,185 |
| Former Flags | 0 | - | 4.97 | 106,576 |
| WWII Trivia #1 | 0 | - | 4.36 | 176,540 |
| WWII A-Z #1 | 0 | - | 4.80 | 102,327 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,294 |
| WWII Decoder | 0 | - | 4.41 | 53,015 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 54,714 |
