| Monarchies of the World | 0 | - | 4.94 | 166,507 |
| Monarchies Bordering Monarchies | 0 | - | 4.85 | 59,945 |
| "Second Best" History Edition | 0 | - | 4.94 | 61,699 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,518 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,887 |
| Empires A-Z | 0 | - | 4.51 | 44,791 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,375 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,095 |
| Territory Changes in World War I | 0 | - | 4.86 | 46,198 |
| History by Letter - A | 0 | - | 4.51 | 152,057 |
| History by Letter - B | 0 | - | 4.45 | 171,205 |
| History by Letter - C | 0 | - | 4.69 | 170,234 |
| History by Letter - E | 0 | - | 4.51 | 139,789 |
| History by Letter - G | 0 | - | 4.45 | 121,398 |
| History by Letter - H | 0 | - | 4.45 | 135,823 |
| History by Letter - J | 0 | - | 4.51 | 153,179 |
| History by Letter - N | 0 | - | 4.44 | 103,360 |
| History by Letter - S | 0 | - | 4.47 | 93,641 |
| History by Letter - W | 0 | - | 4.45 | 108,688 |
| History by Letter - M | 0 | - | 4.54 | 119,060 |
| History by Letter - K | 0 | - | 4.50 | 100,796 |
| History by Letter - L | 0 | - | 4.49 | 111,474 |
| History by Letter - I | 0 | - | 4.46 | 103,642 |
| NATO Military Alphabet | 0 | - | 4.98 | 553,849 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 797,669 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,447 |
| Empires by Maps | 0 | - | 4.98 | 118,324 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,187 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,791 |
| Name the War | 0 | - | 4.37 | 200,719 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,400 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,819 |
| Famous Families #1 | 0 | - | 4.20 | 83,387 |
| Names for Warriors | 0 | - | 4.40 | 36,785 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,068 |
| Countries by Military Spending | 0 | - | 4.93 | 176,344 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,472 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,640 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,432 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,610 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,523 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,563 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,791 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,944 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,190 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,319 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,577 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,304,227 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,164 |
| History by Letter - D | 0 | - | 4.39 | 136,841 |
| History by Letter - F | 0 | - | 4.18 | 113,654 |
| History by Letter - O | 0 | - | 4.31 | 99,020 |
| History by Letter - P | 0 | - | 4.38 | 107,308 |
| History by Letter - Q | 0 | - | 4.34 | 79,952 |
| History by Letter - R | 0 | - | 4.26 | 121,610 |
| History by Letter - T | 0 | - | 4.39 | 104,840 |
| History by Letter - U | 0 | - | 4.19 | 100,202 |
| History by Letter - V | 0 | - | 4.27 | 80,336 |
| History by Letter - Y | 0 | - | 4.27 | 86,912 |
| History by Letter - Z | 0 | - | 4.18 | 76,716 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,105 |
| History Containing the Letter X | 0 | - | 4.47 | 26,925 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,339 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 15,008 |
| Influential Women in History | 0 | - | 4.42 | 34,920 |
| Metals of Antiquity | 0 | - | 4.94 | 92,859 |
| Cradles of Civilization | 0 | - | 4.46 | 38,985 |
| Materials From History #1 | 0 | - | 4.56 | 50,544 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,121 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,128 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,167 |
| WWI... or WWII? | 0 | - | 4.85 | 140,560 |
| Oldest Things | 0 | - | 3.92 | 65,586 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,758 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,111 |
| Famous Explorers | 0 | - | 4.58 | 35,926 |
| Famous Empires by Description | 0 | - | 4.70 | 117,499 |
| Answers by Time Period | 0 | - | 4.63 | 55,249 |
| Famous Firsts #2 | 0 | - | 4.00 | 80,837 |
| Famous Firsts #3 - The United States | 0 | - | 4.17 | 14,486 |
| 20th Century A-Z | 0 | - | 4.50 | 53,144 |
| 19th Century A-Z | 0 | - | 4.77 | 46,713 |
| 18th Century A-Z | 0 | - | 4.54 | 42,627 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,633 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,728 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,827 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,004 |
| Notable People of WWII | 0 | - | 4.53 | 85,303 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,400 |
| World War I Quiz | 0 | - | 4.78 | 100,216 |
| WWI A-Z | 0 | - | 4.50 | 38,008 |
| Same Start and End Letter - History #1 | 0 | - | 4.16 | 24,659 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,528 |
| History Ending in Z | 0 | - | 4.35 | 13,448 |
| Most Important People in History | 0 | - | 3.99 | 50,370 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,788 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 85,046 |
| Countries with the Least Dense Road Networks | 0 | - | 4.81 | 41,303 |
| Queen in the Answers | 0 | - | 4.29 | 52,563 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,472 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 110,869 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,400 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,642 |
| Numbers Tile Select Quiz | 0 | - | 4.98 | 73,973 |
| People on Money by Country | 0 | - | 4.83 | 59,957 |
| Astronomy Quiz | 0 | - | 4.89 | 81,635 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 135,670 |
| Solar System Trivia | 0 | - | 4.93 | 45,974 |
| Family Bands | 0 | - | 4.11 | 21,763 |
| Famous Moms | 0 | - | 3.96 | 54,242 |
| Famous Fathers | 0 | - | 3.87 | 33,147 |
| Fictional Fathers | 0 | - | 4.14 | 21,617 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,396 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 65,133 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,679 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 128,563 |
| Geography by Letter - T | 0 | - | 4.84 | 152,309 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 165,369 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 86,635 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.84 | 39,037 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 116,731 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,252 |
| Years in History by Picture | 0 | - | 4.44 | 35,075 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,165 |
| Materials From History #2 | 0 | - | 4.59 | 30,899 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,307 |
| Events in History #2 | 0 | - | 4.49 | 71,404 |
| Events in History #4 | 0 | - | 4.44 | 44,083 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,795 |
| Assassinations in History | 0 | - | 4.20 | 65,934 |
| Famous Seconds | 0 | - | 4.22 | 46,376 |
| Ages and Eras Quiz | 0 | - | 4.38 | 67,430 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,381 |
| Titled People Quiz #1 | 0 | - | 4.10 | 45,597 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,021 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,811 |
| Female Historical Figures | 0 | - | 4.31 | 33,084 |
| Historical Blunders | 0 | - | 4.33 | 91,654 |
| Territorial Accessions | 0 | - | 4.38 | 34,618 |
| People Known as "The Great" | 0 | - | 4.46 | 24,501 |
| This Day in History - July | 0 | - | 4.49 | 36,364 |
| This Day in History - August | 0 | - | 4.42 | 43,240 |
| This Day in History - September | 0 | - | 4.55 | 57,247 |
| This Day in History - October | 0 | - | 4.49 | 37,548 |
| This Day in History - January | 0 | - | 4.53 | 46,566 |
| This Day in History - March | 0 | - | 4.45 | 43,533 |
| Ancient Civilizations | 0 | - | 4.63 | 37,736 |
| 16th Century A-Z | 0 | - | 4.58 | 24,372 |
| 15th Century A-Z | 0 | - | 4.49 | 23,383 |
| 17th Century A-Z | 0 | - | 4.78 | 34,159 |
| The Places They Went #1 | 0 | - | 4.74 | 33,441 |
| Famous Inventors | 0 | - | 4.43 | 43,446 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,010,592 |
| U.S. Army Ranks | 0 | - | 4.47 | 102,608 |
| Top 30 Most Powerful Militaries | 0 | - | 4.53 | 175,114 |
| Countries with Aircraft Carriers | 0 | - | 4.75 | 123,073 |
| Names of Army Units | 0 | - | 4.63 | 36,600 |
| Formula One World Champions | 0 | - | 4.96 | 384,986 |
| IMDB Top 100 Movies | 0 | - | 4.45 | 203,206 |
| Disney Animated Characters | 0 | - | 4.88 | 598,941 |
| Authors with Books Turned into Movies | 0 | - | 4.44 | 62,611 |
| Corporate Partnerships | 0 | - | 4.56 | 36,785 |
| Prime Numbers 1-100 | 0 | - | 4.53 | 125,883 |
| Perfect Squares | 0 | - | 4.53 | 101,782 |
| Digits of Pi | 0 | - | 4.24 | 1,158,360 |
| Fast Math - Addition | 0 | - | 4.87 | 519,686 |
| Mathematics General Knowledge | 0 | - | 4.47 | 66,321 |
| Major World Religions | 0 | - | 4.78 | 92,525 |
| Religion General Knowledge #2 | 0 | - | 4.47 | 73,645 |
| Religion General Knowledge #3 | 0 | - | 4.46 | 69,054 |
| Religion General Knowledge #5 | 0 | - | 4.51 | 45,956 |
| Former Flags | 0 | - | 4.97 | 106,608 |
| WWII Trivia #1 | 0 | - | 4.36 | 176,564 |
| WWII A-Z #1 | 0 | - | 4.80 | 102,349 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,305 |
| Cold War Decoder | 0 | - | 4.83 | 51,901 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,339 |
| People Who Died in Battle | 0 | - | 4.35 | 22,269 |
| History Generator Puzzle #1 | 0 | - | 3.99 | 38,887 |
| History Generator Puzzle #3 | 0 | - | 4.03 | 19,522 |
| History Generator Puzzle #6 | 0 | - | 4.05 | 17,077 |
| History Generator Puzzle #5 | 0 | - | 4.18 | 19,477 |
| History Generator Puzzle #8 | 0 | - | 4.14 | 18,439 |
| History Generator Puzzle #7 | 0 | - | 4.16 | 19,753 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,445 |
| People in History by Wikipedia Descriptions #4 | 0 | - | 4.40 | 30,650 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,911 |
| Countries with the Most Skyscrapers | 0 | - | 4.92 | 143,389 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,289 |
| Countries with the Tallest Buildings | 0 | - | 4.93 | 103,615 |
| Formula One Countries Visited | 0 | - | 4.96 | 141,982 |
| Formula 1: Top 3 in Driver's Championship | 0 | - | 4.96 | 99,189 |
| All F1 Grand Prix Winners | 0 | - | 4.88 | 88,994 |
| Coldest Countries | 0 | - | 4.97 | 137,183 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,215 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,326 |
| Fictional Siblings | 0 | - | 4.05 | 17,375 |
| Country Logic Puzzle 4x4 – Sudoku style | 0 | - | 4.99 | 27,805 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,209 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 106,841 |
