| Country Logic Puzzle 4x4 – Sudoku style | 0 | - | 4.99 | 27,800 |
| "Second Best" History Edition | 0 | - | 4.93 | 61,637 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,495 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,871 |
| NATO Military Alphabet | 0 | - | 4.98 | 553,550 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 797,411 |
| Countries Hidden in a Letter #1 | 0 | - | 5.00 | 47,758 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,347 |
| Empires by Maps | 0 | - | 4.98 | 118,214 |
| Empires A-Z | 0 | - | 4.51 | 44,768 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,367 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,156 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,079 |
| Territory Changes in World War I | 0 | - | 4.86 | 46,184 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,788 |
| Name the War Quiz | 0 | - | 4.37 | 200,667 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,394 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,808 |
| Famous Families #1 | 0 | - | 4.20 | 83,370 |
| Names for Warriors | 0 | - | 4.40 | 36,781 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,042 |
| History by Letter - A | 0 | - | 4.51 | 152,008 |
| History by Letter - B | 0 | - | 4.45 | 171,152 |
| History by Letter - C | 0 | - | 4.69 | 170,166 |
| History by Letter - E | 0 | - | 4.51 | 139,747 |
| History by Letter - G | 0 | - | 4.45 | 121,360 |
| History by Letter - H | 0 | - | 4.45 | 135,783 |
| History by Letter - J | 0 | - | 4.51 | 153,137 |
| History by Letter - N | 0 | - | 4.44 | 103,324 |
| History by Letter - S | 0 | - | 4.47 | 93,611 |
| History by Letter - W | 0 | - | 4.45 | 108,659 |
| History by Letter - M | 0 | - | 4.54 | 119,021 |
| History by Letter - K | 0 | - | 4.50 | 100,766 |
| History by Letter - L | 0 | - | 4.49 | 111,437 |
| History by Letter - I | 0 | - | 4.46 | 103,615 |
| Countries by Military Spending | 0 | - | 4.93 | 176,286 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,426 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,591 |
| History Generator Puzzle #1 | 0 | - | 3.99 | 38,881 |
| History Generator Puzzle #3 | 0 | - | 4.03 | 19,521 |
| History Generator Puzzle #6 | 0 | - | 4.05 | 17,077 |
| History Generator Puzzle #5 | 0 | - | 4.18 | 19,475 |
| History Generator Puzzle #8 | 0 | - | 4.14 | 18,438 |
| History Generator Puzzle #7 | 0 | - | 4.16 | 19,740 |
| Influential Women in History | 0 | - | 4.42 | 34,901 |
| Cradles of Civilization | 0 | - | 4.46 | 38,964 |
| Materials From History #1 | 0 | - | 4.56 | 50,522 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,399 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,569 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,513 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,075 |
| Famous Explorers | 0 | - | 4.58 | 35,914 |
| Famous Empires by Description | 0 | - | 4.70 | 117,471 |
| Answers by Time Period | 0 | - | 4.63 | 55,231 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,528 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,768 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,928 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,171 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,306 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,573 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,303,679 |
| Country Word Search #2 | 0 | - | 4.54 | 55,962 |
| Country Word Search - Large Edition | 0 | - | 4.68 | 64,354 |
| Metals of Antiquity | 0 | - | 4.94 | 92,822 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,098 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,081 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,156 |
| Oldest Things | 0 | - | 3.92 | 65,584 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,753 |
| Famous Firsts #2 | 0 | - | 4.00 | 80,833 |
| Famous Firsts #3 - The United States | 0 | - | 4.17 | 14,482 |
| History by Letter - D | 0 | - | 4.39 | 136,809 |
| History by Letter - F | 0 | - | 4.18 | 113,626 |
| History by Letter - O | 0 | - | 4.31 | 98,995 |
| History by Letter - P | 0 | - | 4.38 | 107,275 |
| History by Letter - Q | 0 | - | 4.34 | 79,932 |
| History by Letter - R | 0 | - | 4.26 | 121,585 |
| History by Letter - T | 0 | - | 4.39 | 104,765 |
| History by Letter - U | 0 | - | 4.19 | 100,171 |
| History by Letter - V | 0 | - | 4.27 | 80,315 |
| History by Letter - Y | 0 | - | 4.27 | 86,889 |
| History by Letter - Z | 0 | - | 4.18 | 76,701 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,102 |
| History Containing the Letter X | 0 | - | 4.47 | 26,919 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,333 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 15,000 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,615 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,667 |
| Famous Literature Fractured | 0 | - | 4.04 | 9,660 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,813 |
| Movies Generator Puzzle #3 | 0 | - | 4.12 | 12,715 |
| Famous Movies Fractured | 0 | - | 4.08 | 12,015 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,032 |
| 20th Century A-Z | 0 | - | 4.50 | 53,123 |
| 19th Century A-Z | 0 | - | 4.77 | 46,704 |
| 18th Century A-Z | 0 | - | 4.54 | 42,617 |
| Google What's the Difference? - History | 0 | - | 4.20 | 45,994 |
| Materials From History #2 | 0 | - | 4.59 | 30,895 |
| WWI... or WWII? | 0 | - | 4.85 | 140,499 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,786 |
| Assassinations in History | 0 | - | 4.20 | 65,922 |
| Famous Seconds | 0 | - | 4.22 | 46,367 |
| Ages and Eras Quiz | 0 | - | 4.38 | 67,419 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,377 |
| Titled People Quiz #1 | 0 | - | 4.10 | 45,585 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,005 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,804 |
| Female Historical Figures | 0 | - | 4.31 | 33,074 |
| Historical Blunders | 0 | - | 4.33 | 91,637 |
| Territorial Accessions | 0 | - | 4.38 | 34,614 |
| People Known as "The Great" | 0 | - | 4.46 | 24,492 |
| History Generator Puzzle #4 | 0 | - | 3.88 | 17,776 |
| History Generator Puzzle #2 | 0 | - | 3.72 | 19,164 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,777 |
| Geography Generator Puzzle #1 | 0 | - | 4.12 | 45,413 |
| Country Word Search #1 | 0 | - | 4.34 | 197,616 |
| Years in History by Picture | 0 | - | 4.44 | 35,060 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,151 |
| Notable People of WWII | 0 | - | 4.53 | 85,290 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,372 |
| World War I Quiz | 0 | - | 4.78 | 100,174 |
| WWI A-Z | 0 | - | 4.50 | 37,997 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,301 |
| Events in History #2 | 0 | - | 4.49 | 71,386 |
| Events in History #4 | 0 | - | 4.44 | 44,073 |
| This Day in History - July | 0 | - | 4.49 | 36,357 |
| This Day in History - August | 0 | - | 4.41 | 43,234 |
| This Day in History - September | 0 | - | 4.55 | 57,240 |
| This Day in History - October | 0 | - | 4.49 | 37,545 |
| This Day in History - January | 0 | - | 4.53 | 46,557 |
| This Day in History - March | 0 | - | 4.45 | 43,529 |
| Ancient Civilizations | 0 | - | 4.63 | 37,727 |
| Same Start and End Letter - History #1 | 0 | - | 4.16 | 24,650 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,513 |
| History Ending in Z | 0 | - | 4.35 | 13,445 |
| The Places They Went #1 | 0 | - | 4.74 | 33,433 |
| Famous Inventors | 0 | - | 4.43 | 43,442 |
| Most Important People in History | 0 | - | 3.99 | 50,352 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,010,055 |
| U.S. Army Ranks | 0 | - | 4.47 | 102,586 |
| Top 30 Most Powerful Militaries | 0 | - | 4.53 | 175,081 |
| Countries with Aircraft Carriers | 0 | - | 4.75 | 123,062 |
| Names of Army Units | 0 | - | 4.63 | 36,586 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 85,007 |
| Formula One World Champions | 0 | - | 4.96 | 384,710 |
| Monarchies of the World | 0 | - | 4.94 | 166,418 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,423 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 110,827 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,352 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,617 |
| IMDB Top 100 Movies | 0 | - | 4.45 | 203,111 |
| Disney Animated Characters | 0 | - | 4.88 | 598,841 |
| Numbers Tile Select Quiz | 0 | - | 4.98 | 73,944 |
| People on Money by Country | 0 | - | 4.84 | 59,943 |
| Authors with Books Turned into Movies | 0 | - | 4.44 | 62,582 |
| Corporate Partnerships | 0 | - | 4.56 | 36,780 |
| Prime Numbers 1-100 | 0 | - | 4.53 | 125,823 |
| Perfect Squares | 0 | - | 4.53 | 101,765 |
| Digits of Pi | 0 | - | 4.24 | 1,158,143 |
| Fast Math - Addition | 0 | - | 4.87 | 519,555 |
| Mathematics General Knowledge | 0 | - | 4.47 | 66,297 |
| Major World Religions | 0 | - | 4.78 | 92,510 |
| Religion General Knowledge #2 | 0 | - | 4.47 | 73,631 |
| Religion General Knowledge #3 | 0 | - | 4.46 | 69,039 |
| Religion General Knowledge #5 | 0 | - | 4.51 | 45,946 |
| Astronomy Quiz | 0 | - | 4.89 | 81,593 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 135,592 |
| Solar System Trivia | 0 | - | 4.93 | 45,925 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,367 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 65,111 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,647 |
| Movies Breakdown Puzzle #1 | 0 | - | 4.09 | 10,906 |
| Movies Breakdown Puzzle #2 | 0 | - | 4.14 | 10,584 |
| Movies Generator Puzzle #1 | 0 | - | 4.15 | 30,155 |
| Movies Generator Puzzle #2 | 0 | - | 4.37 | 19,992 |
| Movies Generator Puzzle #4 | 0 | - | 4.23 | 15,590 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 128,460 |
| Geography by Letter - T | 0 | - | 4.84 | 152,185 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 165,255 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 86,575 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.84 | 39,007 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 116,711 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,239 |
| Former Flags | 0 | - | 4.97 | 106,543 |
| Christopher Columbus Quiz | 0 | - | 4.21 | 8,247 |
| Cold War Decoder | 0 | - | 4.83 | 51,883 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,282 |
| Born Here on This Date #1 | 0 | - | 3.92 | 35,272 |
| Titled People Quiz #2 | 0 | - | 4.38 | 26,629 |
| Job Titles Quiz #2 | 0 | - | 3.62 | 37,219 |
| Famous Ships Quiz | 0 | - | 4.25 | 29,142 |
| Short Historical Figures | 0 | - | 4.29 | 8,335 |
| Name the Alliance | 0 | - | 4.29 | 29,104 |
| Coups | 0 | - | 4.40 | 27,570 |
| Famous Documents | 0 | - | 4.05 | 21,755 |
| Legendary Deeds | 0 | - | 4.16 | 28,848 |
| Disasters in History | 0 | - | 4.40 | 25,596 |
| People Who Died in Battle | 0 | - | 4.35 | 22,264 |
| Executions in History | 0 | - | 4.29 | 16,909 |
| 16th Century A-Z | 0 | - | 4.58 | 24,361 |
