| "Second Best" History Edition | 0 | - | 4.94 | 61,792 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,765 |
| Countries with the Most Skyscrapers | 0 | - | 4.92 | 143,424 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,307 |
| Countries with the Tallest Buildings | 0 | - | 4.93 | 103,710 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,544 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,912 |
| NATO Military Alphabet | 0 | - | 4.98 | 554,147 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 797,839 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,532 |
| Empires by Maps | 0 | - | 4.98 | 118,473 |
| Empires A-Z | 0 | - | 4.51 | 44,817 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,384 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,218 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,107 |
| Territory Changes in World War I | 0 | - | 4.86 | 46,219 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,807 |
| Name the War | 0 | - | 4.37 | 200,760 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,407 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,827 |
| Famous Families #1 | 0 | - | 4.20 | 83,394 |
| Names for Warriors | 0 | - | 4.40 | 36,789 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,088 |
| History by Letter - A | 0 | - | 4.51 | 152,110 |
| History by Letter - B | 0 | - | 4.45 | 171,257 |
| History by Letter - C | 0 | - | 4.69 | 170,311 |
| History by Letter - E | 0 | - | 4.51 | 139,842 |
| History by Letter - G | 0 | - | 4.45 | 121,438 |
| History by Letter - H | 0 | - | 4.45 | 135,862 |
| History by Letter - J | 0 | - | 4.51 | 153,237 |
| History by Letter - N | 0 | - | 4.44 | 103,385 |
| History by Letter - S | 0 | - | 4.47 | 93,672 |
| History by Letter - W | 0 | - | 4.45 | 108,727 |
| History by Letter - M | 0 | - | 4.54 | 119,093 |
| History by Letter - K | 0 | - | 4.50 | 100,818 |
| History by Letter - L | 0 | - | 4.49 | 111,501 |
| History by Letter - I | 0 | - | 4.46 | 103,680 |
| Countries by Military Spending | 0 | - | 4.93 | 176,389 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,507 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,692 |
| Influential Women in History | 0 | - | 4.42 | 34,987 |
| Cradles of Civilization | 0 | - | 4.46 | 39,051 |
| Materials From History #1 | 0 | - | 4.56 | 50,593 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,460 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,648 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,527 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,172 |
| Famous Explorers | 0 | - | 4.58 | 35,944 |
| Famous Empires by Description | 0 | - | 4.70 | 117,541 |
| Answers by Time Period | 0 | - | 4.63 | 55,263 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,593 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,812 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,954 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,202 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,329 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,585 |
| Countries with the Most Skyscrapers per Capita | 0 | - | 4.69 | 72,148 |
| Tall Building Cities - United States | 0 | - | 4.48 | 68,260 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,304,742 |
| Metals of Antiquity | 0 | - | 4.94 | 92,901 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,161 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,179 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,179 |
| Oldest Things | 0 | - | 3.92 | 65,590 |
| Famous Firsts #2 | 0 | - | 4.00 | 80,845 |
| Famous Firsts #3 - The United States | 0 | - | 4.17 | 14,490 |
| History by Letter - D | 0 | - | 4.39 | 136,876 |
| History by Letter - F | 0 | - | 4.18 | 113,684 |
| History by Letter - O | 0 | - | 4.31 | 99,046 |
| History by Letter - P | 0 | - | 4.38 | 107,340 |
| History by Letter - Q | 0 | - | 4.34 | 79,974 |
| History by Letter - R | 0 | - | 4.26 | 121,647 |
| History by Letter - T | 0 | - | 4.39 | 104,868 |
| History by Letter - U | 0 | - | 4.19 | 100,242 |
| History by Letter - V | 0 | - | 4.27 | 80,362 |
| History by Letter - Y | 0 | - | 4.27 | 86,931 |
| History by Letter - Z | 0 | - | 4.18 | 76,738 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,115 |
| History Containing the Letter X | 0 | - | 4.47 | 26,931 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,342 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 15,013 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,651 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,790 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,837 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,318 |
| 20th Century A-Z | 0 | - | 4.50 | 53,163 |
| 19th Century A-Z | 0 | - | 4.77 | 46,735 |
| 18th Century A-Z | 0 | - | 4.54 | 42,648 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,021 |
| Materials From History #2 | 0 | - | 4.59 | 30,911 |
| WWI... or WWII? | 0 | - | 4.85 | 140,623 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,815 |
| Assassinations in History | 0 | - | 4.20 | 65,949 |
| Famous Seconds | 0 | - | 4.22 | 46,390 |
| Ages and Eras | 0 | - | 4.38 | 67,453 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,397 |
| Titled People Quiz #1 | 0 | - | 4.10 | 45,611 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,036 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,819 |
| Female Historical Figures | 0 | - | 4.31 | 33,096 |
| Historical Blunders | 0 | - | 4.33 | 91,675 |
| Territorial Accessions | 0 | - | 4.38 | 34,629 |
| People Known as "The Great" | 0 | - | 4.46 | 24,518 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,800 |
| Cities with the Tallest Buildings | 0 | - | 4.17 | 84,335 |
| Years in History by Picture | 0 | - | 4.44 | 35,101 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,184 |
| Notable People of WWII | 0 | - | 4.53 | 85,316 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,420 |
| World War I Quiz | 0 | - | 4.78 | 100,249 |
| WWI A-Z | 0 | - | 4.50 | 38,023 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,319 |
| Events in History #2 | 0 | - | 4.49 | 71,424 |
| Events in History #4 | 0 | - | 4.44 | 44,095 |
| This Day in History - July | 0 | - | 4.49 | 36,371 |
| This Day in History - August | 0 | - | 4.42 | 43,250 |
| This Day in History - September | 0 | - | 4.55 | 57,260 |
| This Day in History - October | 0 | - | 4.49 | 37,554 |
| This Day in History - January | 0 | - | 4.53 | 46,573 |
| This Day in History - March | 0 | - | 4.45 | 43,542 |
| Ancient Civilizations | 0 | - | 4.63 | 37,751 |
| Same Start and End Letter - History #1 | 0 | - | 4.16 | 24,664 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,540 |
| History Ending in Z | 0 | - | 4.35 | 13,452 |
| The Places They Went #1 | 0 | - | 4.74 | 33,443 |
| Famous Inventors | 0 | - | 4.43 | 43,452 |
| Most Important People in History | 0 | - | 3.98 | 50,388 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,010,898 |
| U.S. Army Ranks | 0 | - | 4.47 | 102,630 |
| Top 30 Most Powerful Militaries | 0 | - | 4.53 | 175,146 |
| Countries with Aircraft Carriers | 0 | - | 4.75 | 123,084 |
| Names of Army Units | 0 | - | 4.63 | 36,617 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 85,074 |
| Countries with the Least Dense Road Networks | 0 | - | 4.81 | 41,316 |
| Formula One World Champions | 0 | - | 4.96 | 385,236 |
| Monarchies of the World | 0 | - | 4.94 | 166,590 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,533 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 110,910 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,444 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,664 |
| IMDB Top 100 Movies | 0 | - | 4.45 | 203,304 |
| Disney Animated Characters | 0 | - | 4.88 | 599,054 |
| Numbers Tile Select Quiz | 0 | - | 4.98 | 74,015 |
| People on Money by Country | 0 | - | 4.84 | 59,976 |
| Authors with Books Turned into Movies | 0 | - | 4.44 | 62,629 |
| Corporate Partnerships | 0 | - | 4.56 | 36,789 |
| Prime Numbers 1-100 | 0 | - | 4.53 | 125,950 |
| Perfect Squares | 0 | - | 4.53 | 101,794 |
| Digits of Pi | 0 | - | 4.24 | 1,158,631 |
| Fast Math - Addition | 0 | - | 4.87 | 519,815 |
| Mathematics General Knowledge | 0 | - | 4.47 | 66,357 |
| Major World Religions | 0 | - | 4.78 | 92,533 |
| Religion General Knowledge #2 | 0 | - | 4.47 | 73,658 |
| Religion General Knowledge #3 | 0 | - | 4.46 | 69,068 |
| Religion General Knowledge #5 | 0 | - | 4.51 | 45,963 |
| Astronomy Quiz | 0 | - | 4.89 | 81,684 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 135,738 |
| Solar System Trivia | 0 | - | 4.93 | 46,024 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,419 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 65,155 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,719 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 128,668 |
| Geography by Letter - T | 0 | - | 4.84 | 152,409 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 165,478 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 86,682 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.84 | 39,061 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 116,763 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,260 |
| Former Flags | 0 | - | 4.97 | 106,672 |
| Christopher Columbus Quiz | 0 | - | 4.21 | 8,257 |
| Cold War Decoder | 0 | - | 4.83 | 51,920 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,383 |
| Born Here on This Date #1 | 0 | - | 3.92 | 35,284 |
| Titled People Quiz #2 | 0 | - | 4.38 | 26,647 |
| Job Titles Quiz #2 | 0 | - | 3.62 | 37,238 |
| Famous Ships Quiz | 0 | - | 4.25 | 29,162 |
| Famous Short People | 0 | - | 4.29 | 12,916 |
| Name the Alliance | 0 | - | 4.29 | 29,149 |
| Coups | 0 | - | 4.40 | 27,581 |
| Famous Documents | 0 | - | 4.05 | 21,762 |
| Legendary Deeds | 0 | - | 4.16 | 28,855 |
| Disasters in History | 0 | - | 4.40 | 25,606 |
| People Who Died in Battle | 0 | - | 4.35 | 22,269 |
| Executions in History | 0 | - | 4.29 | 16,919 |
| 16th Century A-Z | 0 | - | 4.58 | 24,381 |
| 15th Century A-Z | 0 | - | 4.49 | 23,396 |
| 17th Century A-Z | 0 | - | 4.78 | 34,172 |
| History Generator Puzzle #1 | 0 | - | 3.99 | 38,890 |
| History Generator Puzzle #3 | 0 | - | 4.03 | 19,523 |
| History Generator Puzzle #6 | 0 | - | 4.05 | 17,079 |
| History Generator Puzzle #5 | 0 | - | 4.18 | 19,479 |
| History Generator Puzzle #8 | 0 | - | 4.14 | 18,443 |
| History Generator Puzzle #7 | 0 | - | 4.16 | 19,768 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,469 |
| People in History by Wikipedia Descriptions #4 | 0 | - | 4.40 | 30,655 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,920 |
| Formula One Countries Visited | 0 | - | 4.96 | 142,061 |
| Formula 1: Top 3 in Driver's Championship | 0 | - | 4.96 | 99,283 |
| Coldest Countries | 0 | - | 4.97 | 137,225 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,228 |
