| Famous Firsts #1 | 0 | - | 4.40 | 68,941 |
| Famous Firsts #2 | 0 | - | 4.01 | 80,928 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,334 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,579 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,783 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,138 |
| NATO Military Alphabet | 0 | - | 4.98 | 556,440 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 799,469 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,083 |
| Empires by Maps | 0 | - | 4.98 | 119,232 |
| Empires A-Z | 0 | - | 4.51 | 44,976 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,484 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,427 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,243 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,431 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,910 |
| Name the War | 0 | - | 4.37 | 201,176 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,466 |
| Famous Families #1 | 0 | - | 4.20 | 83,488 |
| Names for Warriors | 0 | - | 4.40 | 36,854 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,217 |
| History by Letter - A | 0 | - | 4.51 | 152,447 |
| History by Letter - B | 0 | - | 4.45 | 171,639 |
| History by Letter - C | 0 | - | 4.70 | 170,770 |
| History by Letter - E | 0 | - | 4.51 | 140,157 |
| History by Letter - G | 0 | - | 4.46 | 121,710 |
| History by Letter - H | 0 | - | 4.45 | 136,162 |
| History by Letter - J | 0 | - | 4.51 | 153,569 |
| History by Letter - N | 0 | - | 4.45 | 103,602 |
| History by Letter - S | 0 | - | 4.47 | 93,860 |
| History by Letter - W | 0 | - | 4.45 | 108,980 |
| History by Letter - M | 0 | - | 4.54 | 119,341 |
| History by Letter - K | 0 | - | 4.50 | 101,031 |
| History by Letter - L | 0 | - | 4.50 | 111,740 |
| History by Letter - I | 0 | - | 4.46 | 103,895 |
| Countries by Military Spending | 0 | - | 4.93 | 176,917 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,710 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,068 |
| Influential Women in History | 0 | - | 4.42 | 35,277 |
| Cradles of Civilization | 0 | - | 4.46 | 39,348 |
| Materials From History #1 | 0 | - | 4.56 | 51,317 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,716 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,960 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,618 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,493 |
| Famous Explorers | 0 | - | 4.58 | 36,042 |
| Famous Empires by Description | 0 | - | 4.73 | 118,145 |
| Answers by Time Period | 0 | - | 4.64 | 55,405 |
| People in History A-Z #1 | 0 | - | 4.61 | 98,802 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,937 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,053 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,286 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,402 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,634 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,309,662 |
| Metals of Antiquity | 0 | - | 4.94 | 93,105 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,399 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,710 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,253 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,787 |
| History by Letter - D | 0 | - | 4.39 | 137,161 |
| History by Letter - F | 0 | - | 4.18 | 113,903 |
| History by Letter - O | 0 | - | 4.32 | 99,232 |
| History by Letter - P | 0 | - | 4.39 | 107,530 |
| History by Letter - Q | 0 | - | 4.34 | 80,121 |
| History by Letter - R | 0 | - | 4.26 | 121,868 |
| History by Letter - T | 0 | - | 4.39 | 105,027 |
| History by Letter - U | 0 | - | 4.19 | 100,545 |
| History by Letter - V | 0 | - | 4.27 | 80,537 |
| History by Letter - Y | 0 | - | 4.27 | 87,073 |
| History by Letter - Z | 0 | - | 4.18 | 76,860 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,173 |
| History Containing the Letter X | 0 | - | 4.47 | 26,978 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,384 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 15,065 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,984 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,025 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,341 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,967 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 705,585 |
| 20th Century A-Z | 0 | - | 4.50 | 53,278 |
| 19th Century A-Z | 0 | - | 4.77 | 46,828 |
| 18th Century A-Z | 0 | - | 4.54 | 42,713 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,115 |
| Materials From History #2 | 0 | - | 4.59 | 31,386 |
| WWI... or WWII? | 0 | - | 4.85 | 141,318 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,894 |
| Assassinations in History | 0 | - | 4.21 | 66,076 |
| Famous Seconds | 0 | - | 4.22 | 46,485 |
| Ages and Eras | 0 | - | 4.38 | 67,573 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,436 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,697 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,101 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,897 |
| Female Historical Figures | 0 | - | 4.27 | 33,172 |
| Historical Blunders | 0 | - | 4.34 | 91,800 |
| Territorial Accessions | 0 | - | 4.39 | 34,704 |
| People Known as "The Great" | 0 | - | 4.46 | 24,589 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,862 |
| Geological Extremes | 0 | - | 4.34 | 39,973 |
| Years in History by Picture | 0 | - | 4.44 | 35,285 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,391 |
| Notable People of WWII | 0 | - | 4.53 | 85,461 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,684 |
| World War I Quiz | 0 | - | 4.78 | 100,525 |
| WWI A-Z | 0 | - | 4.50 | 38,138 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,354 |
| Events in History #2 | 0 | - | 4.49 | 71,545 |
| Events in History #4 | 0 | - | 4.44 | 44,189 |
| This Day in History - July | 0 | - | 4.49 | 36,408 |
| This Day in History - August | 0 | - | 4.42 | 43,300 |
| This Day in History - September | 0 | - | 4.55 | 57,339 |
| This Day in History - October | 0 | - | 4.49 | 37,580 |
| This Day in History - January | 0 | - | 4.50 | 46,631 |
| This Day in History - March | 0 | - | 4.45 | 43,580 |
| Ancient Civilizations | 0 | - | 4.64 | 37,831 |
| Same Start and End Letter - History #1 | 0 | - | 4.17 | 24,699 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,599 |
| History Ending in Z | 0 | - | 4.35 | 13,487 |
| The Places They Went #1 | 0 | - | 4.74 | 33,471 |
| Famous Inventors | 0 | - | 4.43 | 43,491 |
| Most Important People in History | 0 | - | 3.98 | 50,527 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,012,111 |
| U.S. Army Ranks | 0 | - | 4.48 | 102,845 |
| Top 30 Most Powerful Militaries | 0 | - | 4.52 | 175,500 |
| Countries with Aircraft Carriers | 0 | - | 4.75 | 123,203 |
| Names of Army Units | 0 | - | 4.63 | 36,734 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 88,396 |
| Countries with the Least Dense Road Networks | 0 | - | 4.81 | 41,415 |
| Formula One World Champions | 0 | - | 4.96 | 387,001 |
| Monarchies of the World | 0 | - | 4.94 | 167,320 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 112,044 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,260 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,783 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,822 |
| IMDB Top 100 Movies | 0 | - | 4.45 | 204,034 |
| Disney Animated Characters | 0 | - | 4.88 | 600,156 |
| Numbers Tile Select Quiz | 0 | - | 4.98 | 74,322 |
| People on Money by Country | 0 | - | 4.83 | 60,141 |
| Authors with Books Turned into Movies | 0 | - | 4.44 | 62,757 |
| Corporate Partnerships | 0 | - | 4.56 | 36,836 |
| Prime Numbers 1-100 | 0 | - | 4.53 | 126,326 |
| Perfect Squares | 0 | - | 4.53 | 101,961 |
| Digits of Pi | 0 | - | 4.24 | 1,160,361 |
| Fast Math - Addition | 0 | - | 4.87 | 521,262 |
| Mathematics General Knowledge | 0 | - | 4.47 | 66,606 |
| Major World Religions | 0 | - | 4.78 | 92,638 |
| Religion General Knowledge #1 | 0 | - | 4.41 | 92,098 |
| Religion General Knowledge #2 | 0 | - | 4.47 | 73,770 |
| Religion General Knowledge #3 | 0 | - | 4.46 | 69,185 |
| Religion General Knowledge #5 | 0 | - | 4.51 | 46,068 |
| Astronomy Quiz | 0 | - | 4.90 | 82,075 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 136,337 |
| Solar System Trivia | 0 | - | 4.93 | 46,304 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,581 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,358 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,003 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 129,310 |
| Geography by Letter - T | 0 | - | 4.84 | 152,985 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 166,402 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 87,034 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.83 | 39,334 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 116,986 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,338 |
| Former Flags | 0 | - | 4.97 | 107,114 |
| Christopher Columbus Quiz | 0 | - | 4.21 | 8,275 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,725 |
| Cold War Decoder | 0 | - | 4.83 | 52,103 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,711 |
| Born Here on This Date #1 | 0 | - | 3.92 | 35,322 |
| Titled People Quiz #2 | 0 | - | 4.38 | 26,694 |
| Job Titles Quiz #2 | 0 | - | 3.62 | 37,287 |
| Famous Ships Quiz | 0 | - | 4.25 | 29,212 |
| Famous Short People | 0 | - | 4.37 | 17,153 |
| Name the Alliance | 0 | - | 4.29 | 29,345 |
| Coups d'Etat - Name the Country | 0 | - | 4.40 | 27,626 |
| Famous Documents | 0 | - | 4.05 | 21,794 |
| Legendary Deeds | 0 | - | 4.16 | 28,883 |
| Disasters in History | 0 | - | 4.40 | 25,632 |
| People Who Died in Battle | 0 | - | 4.35 | 22,290 |
| Executions in History | 0 | - | 4.29 | 16,938 |
| 16th Century A-Z | 0 | - | 4.58 | 24,440 |
| 15th Century A-Z | 0 | - | 4.49 | 23,432 |
| 14th Century A-Z | 0 | - | 4.41 | 23,861 |
| 17th Century A-Z | 0 | - | 4.78 | 34,230 |
| History Generator Puzzle #1 | 0 | - | 3.99 | 39,656 |
| History Generator Puzzle #3 | 0 | - | 4.03 | 20,321 |
| History Generator Puzzle #6 | 0 | - | 4.05 | 17,473 |
| History Generator Puzzle #5 | 0 | - | 4.18 | 19,968 |
| History Generator Puzzle #8 | 0 | - | 4.14 | 18,777 |
| History Generator Puzzle #7 | 0 | - | 4.16 | 20,265 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,649 |
| People in History by Wikipedia Descriptions #4 | 0 | - | 4.40 | 30,680 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,969 |
| Countries with the Most Skyscrapers | 0 | - | 4.92 | 143,695 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,420 |
| Countries with the Tallest Buildings | 0 | - | 4.93 | 104,030 |
| Formula One Countries Visited | 0 | - | 4.96 | 142,710 |
| Formula 1: Top 3 in Driver's Championship | 0 | - | 4.96 | 99,897 |
| All F1 Grand Prix Winners | 0 | - | 4.88 | 89,474 |
