| "Second Best" History Edition | 0 | - | 4.93 | 61,827 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,767 |
| Countries with the Most Skyscrapers | 0 | - | 4.92 | 143,441 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,319 |
| Countries with the Tallest Buildings | 0 | - | 4.93 | 103,752 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,554 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,916 |
| NATO Military Alphabet | 0 | - | 4.98 | 554,272 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 797,919 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,570 |
| Empires by Maps | 0 | - | 4.98 | 118,523 |
| Empires A-Z | 0 | - | 4.51 | 44,825 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,389 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,234 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,109 |
| Territory Changes in World War I | 0 | - | 4.86 | 46,225 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,813 |
| Name the War | 0 | - | 4.37 | 200,772 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,410 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,828 |
| Famous Families #1 | 0 | - | 4.20 | 83,401 |
| Names for Warriors | 0 | - | 4.40 | 36,792 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,093 |
| History by Letter - A | 0 | - | 4.51 | 152,124 |
| History by Letter - B | 0 | - | 4.45 | 171,268 |
| History by Letter - C | 0 | - | 4.69 | 170,329 |
| History by Letter - E | 0 | - | 4.51 | 139,859 |
| History by Letter - G | 0 | - | 4.45 | 121,456 |
| History by Letter - H | 0 | - | 4.45 | 135,881 |
| History by Letter - J | 0 | - | 4.51 | 153,256 |
| History by Letter - N | 0 | - | 4.44 | 103,394 |
| History by Letter - S | 0 | - | 4.47 | 93,678 |
| History by Letter - W | 0 | - | 4.45 | 108,742 |
| History by Letter - M | 0 | - | 4.54 | 119,107 |
| History by Letter - K | 0 | - | 4.50 | 100,828 |
| History by Letter - L | 0 | - | 4.49 | 111,514 |
| History by Letter - I | 0 | - | 4.46 | 103,690 |
| Countries by Military Spending | 0 | - | 4.93 | 176,415 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,523 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,713 |
| Influential Women in History | 0 | - | 4.42 | 35,019 |
| Cradles of Civilization | 0 | - | 4.46 | 39,085 |
| Materials From History #1 | 0 | - | 4.56 | 50,614 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,476 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,662 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,534 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,198 |
| Famous Explorers | 0 | - | 4.58 | 35,956 |
| Famous Empires by Description | 0 | - | 4.70 | 117,627 |
| Answers by Time Period | 0 | - | 4.63 | 55,272 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,603 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,822 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,961 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,208 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,336 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,590 |
| Countries with the Most Skyscrapers per Capita | 0 | - | 4.69 | 72,161 |
| Tall Building Cities - United States | 0 | - | 4.48 | 68,261 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,305,067 |
| Metals of Antiquity | 0 | - | 4.94 | 92,915 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,175 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,204 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,181 |
| Oldest Things | 0 | - | 3.92 | 65,593 |
| Famous Firsts #2 | 0 | - | 4.00 | 80,846 |
| Famous Firsts #3 - The United States | 0 | - | 4.17 | 14,490 |
| History by Letter - D | 0 | - | 4.39 | 136,888 |
| History by Letter - F | 0 | - | 4.18 | 113,695 |
| History by Letter - O | 0 | - | 4.31 | 99,057 |
| History by Letter - P | 0 | - | 4.38 | 107,352 |
| History by Letter - Q | 0 | - | 4.34 | 79,980 |
| History by Letter - R | 0 | - | 4.26 | 121,658 |
| History by Letter - T | 0 | - | 4.39 | 104,880 |
| History by Letter - U | 0 | - | 4.19 | 100,255 |
| History by Letter - V | 0 | - | 4.27 | 80,371 |
| History by Letter - Y | 0 | - | 4.27 | 86,935 |
| History by Letter - Z | 0 | - | 4.18 | 76,744 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,119 |
| History Containing the Letter X | 0 | - | 4.47 | 26,933 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,344 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 15,014 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,663 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,819 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,847 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,391 |
| 20th Century A-Z | 0 | - | 4.50 | 53,169 |
| 19th Century A-Z | 0 | - | 4.77 | 46,740 |
| 18th Century A-Z | 0 | - | 4.54 | 42,650 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,026 |
| Materials From History #2 | 0 | - | 4.59 | 30,917 |
| WWI... or WWII? | 0 | - | 4.85 | 140,661 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,821 |
| Assassinations in History | 0 | - | 4.21 | 65,960 |
| Famous Seconds | 0 | - | 4.22 | 46,393 |
| Ages and Eras | 0 | - | 4.38 | 67,462 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,401 |
| Titled People Quiz #1 | 0 | - | 4.10 | 45,614 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,040 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,825 |
| Female Historical Figures | 0 | - | 4.31 | 33,101 |
| Historical Blunders | 0 | - | 4.33 | 91,686 |
| Territorial Accessions | 0 | - | 4.38 | 34,639 |
| People Known as "The Great" | 0 | - | 4.46 | 24,526 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,802 |
| Cities with the Tallest Buildings | 0 | - | 4.17 | 84,339 |
| Years in History by Picture | 0 | - | 4.44 | 35,113 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,193 |
| Notable People of WWII | 0 | - | 4.53 | 85,322 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,429 |
| World War I Quiz | 0 | - | 4.78 | 100,270 |
| WWI A-Z | 0 | - | 4.50 | 38,029 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,321 |
| Events in History #2 | 0 | - | 4.49 | 71,435 |
| Events in History #4 | 0 | - | 4.44 | 44,101 |
| This Day in History - July | 0 | - | 4.49 | 36,371 |
| This Day in History - August | 0 | - | 4.42 | 43,254 |
| This Day in History - September | 0 | - | 4.55 | 57,262 |
| This Day in History - October | 0 | - | 4.49 | 37,554 |
| This Day in History - January | 0 | - | 4.53 | 46,575 |
| This Day in History - March | 0 | - | 4.45 | 43,545 |
| Ancient Civilizations | 0 | - | 4.63 | 37,761 |
| Same Start and End Letter - History #1 | 0 | - | 4.16 | 24,666 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,544 |
| History Ending in Z | 0 | - | 4.35 | 13,454 |
| The Places They Went #1 | 0 | - | 4.74 | 33,444 |
| Famous Inventors | 0 | - | 4.43 | 43,458 |
| Most Important People in History | 0 | - | 3.98 | 50,396 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,010,971 |
| U.S. Army Ranks | 0 | - | 4.47 | 102,639 |
| Top 30 Most Powerful Militaries | 0 | - | 4.53 | 175,169 |
| Countries with Aircraft Carriers | 0 | - | 4.75 | 123,092 |
| Names of Army Units | 0 | - | 4.63 | 36,621 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 85,095 |
| Countries with the Least Dense Road Networks | 0 | - | 4.81 | 41,323 |
| Formula One World Champions | 0 | - | 4.96 | 385,334 |
| Monarchies of the World | 0 | - | 4.94 | 166,637 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,557 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 110,947 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,471 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,669 |
| IMDB Top 100 Movies | 0 | - | 4.45 | 203,352 |
| Disney Animated Characters | 0 | - | 4.88 | 599,122 |
| Numbers Tile Select Quiz | 0 | - | 4.98 | 74,029 |
| People on Money by Country | 0 | - | 4.84 | 59,985 |
| Authors with Books Turned into Movies | 0 | - | 4.44 | 62,634 |
| Corporate Partnerships | 0 | - | 4.56 | 36,793 |
| Prime Numbers 1-100 | 0 | - | 4.53 | 125,969 |
| Perfect Squares | 0 | - | 4.53 | 101,803 |
| Digits of Pi | 0 | - | 4.24 | 1,158,699 |
| Fast Math - Addition | 0 | - | 4.87 | 519,873 |
| Mathematics General Knowledge | 0 | - | 4.47 | 66,371 |
| Major World Religions | 0 | - | 4.78 | 92,543 |
| Religion General Knowledge #2 | 0 | - | 4.47 | 73,662 |
| Religion General Knowledge #3 | 0 | - | 4.46 | 69,073 |
| Religion General Knowledge #5 | 0 | - | 4.51 | 45,967 |
| Astronomy Quiz | 0 | - | 4.90 | 81,716 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 135,775 |
| Solar System Trivia | 0 | - | 4.93 | 46,039 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,430 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 65,178 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,744 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 128,713 |
| Geography by Letter - T | 0 | - | 4.84 | 152,444 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 165,537 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 86,700 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.84 | 39,075 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 116,786 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,262 |
| Former Flags | 0 | - | 4.97 | 106,708 |
| Christopher Columbus Quiz | 0 | - | 4.21 | 8,258 |
| Cold War Decoder | 0 | - | 4.83 | 51,933 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,411 |
| Born Here on This Date #1 | 0 | - | 3.92 | 35,289 |
| Titled People Quiz #2 | 0 | - | 4.38 | 26,648 |
| Job Titles Quiz #2 | 0 | - | 3.62 | 37,245 |
| Famous Ships Quiz | 0 | - | 4.25 | 29,165 |
| Famous Short People | 0 | - | 4.26 | 14,290 |
| Name the Alliance | 0 | - | 4.29 | 29,163 |
| Coups | 0 | - | 4.40 | 27,582 |
| Famous Documents | 0 | - | 4.05 | 21,762 |
| Legendary Deeds | 0 | - | 4.16 | 28,855 |
| Disasters in History | 0 | - | 4.40 | 25,607 |
| People Who Died in Battle | 0 | - | 4.35 | 22,271 |
| Executions in History | 0 | - | 4.29 | 16,920 |
| 16th Century A-Z | 0 | - | 4.58 | 24,383 |
| 15th Century A-Z | 0 | - | 4.49 | 23,397 |
| 17th Century A-Z | 0 | - | 4.78 | 34,174 |
| History Generator Puzzle #1 | 0 | - | 3.99 | 38,891 |
| History Generator Puzzle #3 | 0 | - | 4.03 | 19,524 |
| 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 | 18,444 |
| History Generator Puzzle #7 | 0 | - | 4.16 | 19,776 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,482 |
| People in History by Wikipedia Descriptions #4 | 0 | - | 4.40 | 30,656 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,924 |
| Formula One Countries Visited | 0 | - | 4.96 | 142,105 |
| Formula 1: Top 3 in Driver's Championship | 0 | - | 4.96 | 99,312 |
| Coldest Countries | 0 | - | 4.97 | 137,240 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,242 |
