| Country Logic Puzzle 4x4 – Sudoku style | 0 | - | 4.99 | 27,800 |
| "Second Best" History Edition | 0 | - | 4.93 | 61,640 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,496 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,873 |
| NATO Military Alphabet | 0 | - | 4.98 | 553,578 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 797,426 |
| Countries Hidden in a Letter #1 | 0 | - | 5.00 | 47,759 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,349 |
| Empires by Maps | 0 | - | 4.98 | 118,222 |
| Empires A-Z | 0 | - | 4.51 | 44,769 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,367 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,157 |
| 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 | 200,673 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,394 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,809 |
| 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 | 82,044 |
| History by Letter - A | 0 | - | 4.51 | 152,010 |
| History by Letter - B | 0 | - | 4.45 | 171,154 |
| History by Letter - C | 0 | - | 4.69 | 170,175 |
| History by Letter - E | 0 | - | 4.51 | 139,748 |
| History by Letter - G | 0 | - | 4.45 | 121,362 |
| History by Letter - H | 0 | - | 4.45 | 135,789 |
| History by Letter - J | 0 | - | 4.51 | 153,139 |
| History by Letter - N | 0 | - | 4.44 | 103,328 |
| History by Letter - S | 0 | - | 4.47 | 93,613 |
| History by Letter - W | 0 | - | 4.45 | 108,662 |
| History by Letter - M | 0 | - | 4.54 | 119,023 |
| History by Letter - K | 0 | - | 4.50 | 100,766 |
| History by Letter - L | 0 | - | 4.49 | 111,442 |
| History by Letter - I | 0 | - | 4.46 | 103,616 |
| Countries by Military Spending | 0 | - | 4.93 | 176,289 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,433 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,594 |
| History Generator Puzzle #1 | 0 | - | 3.99 | 38,883 |
| 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 | 34,907 |
| Cradles of Civilization | 0 | - | 4.46 | 38,967 |
| Materials From History #1 | 0 | - | 4.56 | 50,525 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,403 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,571 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,514 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,077 |
| Famous Explorers | 0 | - | 4.58 | 35,915 |
| Famous Empires by Description | 0 | - | 4.70 | 117,472 |
| Answers by Time Period | 0 | - | 4.63 | 55,231 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,534 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,771 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,929 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,172 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,307 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,573 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,303,729 |
| Country Word Search #2 | 0 | - | 4.54 | 55,964 |
| Country Word Search - Large Edition | 0 | - | 4.68 | 64,355 |
| Metals of Antiquity | 0 | - | 4.94 | 92,823 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,103 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,082 |
| 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 | 80,834 |
| Famous Firsts #3 - The United States | 0 | - | 4.17 | 14,484 |
| History by Letter - D | 0 | - | 4.39 | 136,812 |
| History by Letter - F | 0 | - | 4.18 | 113,627 |
| History by Letter - O | 0 | - | 4.31 | 98,997 |
| History by Letter - P | 0 | - | 4.38 | 107,276 |
| History by Letter - Q | 0 | - | 4.34 | 79,933 |
| History by Letter - R | 0 | - | 4.26 | 121,586 |
| History by Letter - T | 0 | - | 4.39 | 104,778 |
| History by Letter - U | 0 | - | 4.19 | 100,176 |
| History by Letter - V | 0 | - | 4.27 | 80,319 |
| History by Letter - Y | 0 | - | 4.27 | 86,895 |
| History by Letter - Z | 0 | - | 4.18 | 76,702 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,102 |
| History Containing the Letter X | 0 | - | 4.47 | 26,921 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,333 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 15,001 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,616 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,674 |
| Famous Literature Fractured | 0 | - | 4.04 | 9,660 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,814 |
| Movies Generator Puzzle #3 | 0 | - | 4.12 | 12,715 |
| Famous Movies Fractured | 0 | - | 4.08 | 12,015 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,043 |
| 20th Century A-Z | 0 | - | 4.50 | 53,127 |
| 19th Century A-Z | 0 | - | 4.77 | 46,706 |
| 18th Century A-Z | 0 | - | 4.54 | 42,617 |
| Google What's the Difference? - History | 0 | - | 4.20 | 45,996 |
| Materials From History #2 | 0 | - | 4.59 | 30,895 |
| WWI... or WWII? | 0 | - | 4.85 | 140,501 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,786 |
| Assassinations in History | 0 | - | 4.20 | 65,923 |
| Famous Seconds | 0 | - | 4.22 | 46,369 |
| Ages and Eras Quiz | 0 | - | 4.38 | 67,420 |
| 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 | 43,006 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,804 |
| Female Historical Figures | 0 | - | 4.31 | 33,077 |
| 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 | 31,778 |
| Geography Generator Puzzle #1 | 0 | - | 4.12 | 45,413 |
| Country Word Search #1 | 0 | - | 4.34 | 197,625 |
| Years in History by Picture | 0 | - | 4.44 | 35,061 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,152 |
| Notable People of WWII | 0 | - | 4.53 | 85,291 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,374 |
| World War I Quiz | 0 | - | 4.78 | 100,175 |
| WWI A-Z | 0 | - | 4.50 | 37,998 |
| 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 | 57,242 |
| 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 | 37,729 |
| Same Start and End Letter - History #1 | 0 | - | 4.16 | 24,650 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,515 |
| History Ending in Z | 0 | - | 4.35 | 13,445 |
| The Places They Went #1 | 0 | - | 4.74 | 33,434 |
| Famous Inventors | 0 | - | 4.43 | 43,443 |
| Most Important People in History | 0 | - | 3.99 | 50,353 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,010,065 |
| U.S. Army Ranks | 0 | - | 4.47 | 102,588 |
| Top 30 Most Powerful Militaries | 0 | - | 4.53 | 175,082 |
| Countries with Aircraft Carriers | 0 | - | 4.75 | 123,063 |
| Names of Army Units | 0 | - | 4.63 | 36,587 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 85,009 |
| Formula One World Champions | 0 | - | 4.96 | 384,728 |
| Monarchies of the World | 0 | - | 4.94 | 166,425 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,427 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 110,828 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,356 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,619 |
| IMDB Top 100 Movies | 0 | - | 4.45 | 203,117 |
| Disney Animated Characters | 0 | - | 4.88 | 598,847 |
| Numbers Tile Select Quiz | 0 | - | 4.98 | 73,950 |
| People on Money by Country | 0 | - | 4.84 | 59,944 |
| Authors with Books Turned into Movies | 0 | - | 4.44 | 62,585 |
| Corporate Partnerships | 0 | - | 4.56 | 36,781 |
| Prime Numbers 1-100 | 0 | - | 4.53 | 125,825 |
| Perfect Squares | 0 | - | 4.53 | 101,765 |
| Digits of Pi | 0 | - | 4.24 | 1,158,154 |
| Fast Math - Addition | 0 | - | 4.87 | 519,565 |
| Mathematics General Knowledge | 0 | - | 4.47 | 66,301 |
| Major World Religions | 0 | - | 4.78 | 92,511 |
| Religion General Knowledge #2 | 0 | - | 4.47 | 73,632 |
| Religion General Knowledge #3 | 0 | - | 4.46 | 69,040 |
| Religion General Knowledge #5 | 0 | - | 4.51 | 45,947 |
| Astronomy Quiz | 0 | - | 4.89 | 81,599 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 135,596 |
| Solar System Trivia | 0 | - | 4.93 | 45,930 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,376 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 65,112 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,650 |
| 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 | 19,993 |
| Movies Generator Puzzle #4 | 0 | - | 4.23 | 15,590 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 128,471 |
| Geography by Letter - T | 0 | - | 4.84 | 152,191 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 165,265 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 86,580 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.84 | 39,009 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 116,712 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,241 |
| Former Flags | 0 | - | 4.97 | 106,548 |
| Christopher Columbus Quiz | 0 | - | 4.21 | 8,247 |
| Cold War Decoder | 0 | - | 4.83 | 51,886 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,286 |
| 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 | 29,143 |
| Short Historical Figures | 0 | - | 4.29 | 8,335 |
| Name the Alliance | 0 | - | 4.29 | 29,105 |
| Coups | 0 | - | 4.40 | 27,570 |
| Famous Documents | 0 | - | 4.05 | 21,755 |
| Legendary Deeds | 0 | - | 4.16 | 28,849 |
| 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 |
