| Cold War Decoder | 0 | - | 4.81 | 48,903 |
| Space Exploration Trivia | 0 | - | 4.37 | 34,223 |
| Normandy D-Day Beaches | 0 | - | 4.81 | 38,280 |
| Territory Changes in World War I | 0 | - | 4.88 | 43,019 |
| Astronomy Quiz | 0 | - | 4.89 | 76,549 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 126,031 |
| Solar System Trivia | 0 | - | 4.95 | 42,074 |
| WWI... or WWII? | 0 | - | 4.84 | 131,932 |
| Warsaw Pact Countries | 0 | - | 4.82 | 82,281 |
| World War II Multiple Choice | 0 | - | 4.39 | 99,428 |
| Notable People of WWII | 0 | - | 4.53 | 83,128 |
| WWII Trivia #2 | 0 | - | 4.51 | 99,235 |
| World War I Quiz | 0 | - | 4.78 | 96,245 |
| WWI A-Z | 0 | - | 4.49 | 36,744 |
| Famous Firsts #1 | 0 | - | 4.42 | 67,069 |
| Time Magazine Person of the Year | 0 | - | 4.55 | 69,705 |
| Invasions | 0 | - | 4.62 | 93,078 |
| Names for Warriors | 0 | - | 4.41 | 35,535 |
| Empires A-Z | 0 | - | 4.49 | 42,530 |
| "Second Best" History Edition | 0 | - | 4.95 | 54,048 |
| People Depicted in Paintings | 0 | - | 4.55 | 42,844 |
| Roman Provinces on a Map | 0 | - | 4.53 | 34,147 |
| WWII Trivia #1 | 0 | - | 4.36 | 169,174 |
| Famous Empires in History | 0 | - | 4.82 | 113,161 |
| History by Letter - A | 0 | - | 4.50 | 145,169 |
| History by Letter - B | 0 | - | 4.48 | 163,752 |
| History by Letter - C | 0 | - | 4.68 | 161,941 |
| History by Letter - E | 0 | - | 4.49 | 133,398 |
| History by Letter - G | 0 | - | 4.45 | 115,942 |
| History by Letter - H | 0 | - | 4.44 | 129,754 |
| History by Letter - J | 0 | - | 4.49 | 146,522 |
| History by Letter - N | 0 | - | 4.43 | 98,631 |
| History by Letter - S | 0 | - | 4.46 | 89,400 |
| History by Letter - T | 0 | - | 4.42 | 100,825 |
| History by Letter - W | 0 | - | 4.46 | 103,846 |
| History by Letter - M | 0 | - | 4.53 | 114,121 |
| History by Letter - K | 0 | - | 4.49 | 96,636 |
| History by Letter - L | 0 | - | 4.47 | 106,837 |
| History by Letter - I | 0 | - | 4.46 | 99,067 |
| NATO Military Alphabet | 0 | - | 4.98 | 525,403 |
| Former Countries by Territory Map | 0 | - | 4.96 | 93,153 |
| Empires by Maps | 0 | - | 4.99 | 105,910 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 99,732 |
| Art Works Picture Quiz #2 | 0 | - | 4.48 | 88,917 |
| Art Works Picture Quiz #3 | 0 | - | 4.41 | 42,879 |
| Ultimate 20th Century History Quiz | 0 | - | 4.84 | 49,714 |
| Famous Battles Quiz | 0 | - | 4.27 | 47,552 |
| Name the War Quiz | 0 | - | 4.38 | 195,861 |
| Famous U.S. Generals | 0 | - | 4.26 | 37,616 |
| Religions by Country of Origin Quiz | 0 | - | 4.30 | 74,522 |
| Famous Families #1 | 0 | - | 4.27 | 81,620 |
| The 7 Wonders of the Ancient World | 0 | - | 4.81 | 67,114 |
| People in History A-Z #1 | 0 | - | 4.62 | 94,733 |
| People in History A-Z #2 | 0 | - | 4.47 | 52,364 |
| People in History A-Z #3 | 0 | - | 4.48 | 43,975 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.41 | 43,054 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.41 | 38,260 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.52 | 35,697 |
| Countries by Military Spending | 0 | - | 4.93 | 167,468 |
| Classic Novels by Plot #2 | 0 | - | 4.83 | 33,866 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.91 | 104,230 |
| Hollywood Screen Legends Quiz | 0 | - | 4.04 | 34,237 |
| Albert Einstein Quiz | 0 | - | 4.55 | 17,793 |
| 20th Century A-Z | 0 | - | 4.51 | 48,915 |
| 19th Century A-Z | 0 | - | 4.74 | 36,871 |
| 18th Century A-Z | 0 | - | 4.60 | 33,542 |
| History by Letter - D | 0 | - | 4.35 | 131,409 |
| History by Letter - F | 0 | - | 4.20 | 108,831 |
| History by Letter - O | 0 | - | 4.30 | 95,141 |
| History by Letter - P | 0 | - | 4.37 | 102,893 |
| History by Letter - Q | 0 | - | 4.34 | 76,997 |
| History by Letter - R | 0 | - | 4.23 | 117,158 |
| History by Letter - U | 0 | - | 4.18 | 96,192 |
| History by Letter - V | 0 | - | 4.28 | 77,503 |
| History by Letter - Y | 0 | - | 4.24 | 83,971 |
| History by Letter - Z | 0 | - | 4.20 | 74,226 |
| The 3rd and 4th Century | 0 | - | 4.59 | 25,499 |
| History Containing the Letter X | 0 | - | 4.46 | 26,085 |
| History Containing the Letter Z | 0 | - | 4.53 | 22,642 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 14,152 |
| 100 Most Common English Words | 0 | - | 4.89 | 1,238,065 |
| Google What's the Difference? - History | 0 | - | 4.21 | 44,814 |
| Metals of Antiquity | 0 | - | 4.94 | 89,232 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 42,895 |
| History: What Came First? #1 | 0 | - | 4.86 | 97,427 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 684,547 |
| 1960s Decade Quiz #2 | 0 | - | 4.44 | 42,924 |
| Oldest Things | 0 | - | 3.96 | 65,138 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,471 |
| Famous Firsts #2 | 0 | - | 4.00 | 79,607 |
| Famous Firsts #3 - The United States | 0 | - | 4.17 | 13,731 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 66,519 |
| People in History by Wikipedia Descriptions #4 | 0 | - | 4.46 | 24,891 |
| The Pluto Quiz | 0 | - | 4.63 | 9,309 |
| Most Common English Verbs - Extreme | 0 | - | 4.95 | 146,892 |
| Top Five Exporting Partners by Country | 0 | - | 4.85 | 64,531 |
| Space in the Answers | 0 | - | 4.31 | 48,820 |
| The Jupiter Quiz | 0 | - | 4.64 | 15,829 |
| The Mars Quiz | 0 | - | 4.54 | 17,949 |
| The Saturn Quiz | 0 | - | 4.54 | 11,103 |
| Cradles of Civilization | 0 | - | 4.43 | 35,625 |
| Materials From History #1 | 0 | - | 4.56 | 47,889 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 150,966 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 140,124 |
| Famous Explorers | 0 | - | 4.64 | 34,356 |
| Answers by Time Period | 0 | - | 4.56 | 53,390 |
| 16th Century A-Z | 0 | - | 4.58 | 16,845 |
| 15th Century A-Z | 0 | - | 4.45 | 20,996 |
| Same Start and End Letter - History #1 | 0 | - | 4.15 | 24,092 |
| Same Start and End Letter - History #2 | 0 | - | 4.09 | 24,587 |
| History Ending in Z | 0 | - | 4.35 | 13,005 |
| Most Important People in History | 0 | - | 3.98 | 48,317 |
| Top Arms Exporting Countries | 0 | - | 4.95 | 80,387 |
| Formula One World Champions | 0 | - | 4.97 | 334,489 |
| Monarchies of the World | 0 | - | 4.93 | 157,992 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.93 | 103,927 |
| Countries where the Sea Freezes | 0 | - | 4.90 | 85,831 |
| Largest Countries Without Deserts | 0 | - | 4.88 | 70,349 |
| Disney Animated Characters | 0 | - | 4.88 | 587,029 |
| Numbers Tile Select Quiz | 0 | - | 4.99 | 69,006 |
| People on Money by Country | 0 | - | 4.80 | 57,309 |
| Fast Math - Addition | 0 | - | 4.85 | 500,778 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.75 | 742,667 |
| A Quiz About Buddhism | 0 | - | 4.85 | 17,274 |
| Brightest Objects in the Sky | 0 | - | 4.40 | 16,812 |
| Astronomy True or False | 0 | - | 4.37 | 35,024 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 89,992 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.90 | 61,556 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.85 | 96,481 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 118,097 |
| Geography by Letter - T | 0 | - | 4.84 | 143,199 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 134,796 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.89 | 81,306 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.83 | 34,557 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 113,403 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 68,487 |
| Influential Women in History | 0 | - | 4.43 | 31,531 |
| Former Flags | 0 | - | 4.98 | 100,371 |
| Years in History by Picture | 0 | - | 4.44 | 32,151 |
| Historical Events - AD or BC? | 0 | - | 4.75 | 54,783 |
| Materials From History #2 | 0 | - | 4.58 | 30,025 |
| WWII A-Z #1 | 0 | - | 4.79 | 98,051 |
| WWII A-Z #2 | 0 | - | 4.43 | 52,146 |
| 1950s Decade Quiz | 0 | - | 4.39 | 47,674 |
| 1960s Decade Quiz #1 | 0 | - | 4.39 | 48,398 |
| 20th Century Dates Quiz | 0 | - | 4.54 | 38,600 |
| Events in History #2 | 0 | - | 4.48 | 69,028 |
| Events in History #4 | 0 | - | 4.46 | 42,451 |
| Name a Valid Year in History | 0 | - | 4.93 | 59,827 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.20 | 47,663 |
| Assassinations in History Quiz | 0 | - | 4.19 | 64,454 |
| Famous Seconds Quiz | 0 | - | 4.21 | 45,291 |
| Ages and Eras Quiz | 0 | - | 4.38 | 65,920 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.22 | 38,829 |
| Titled People Quiz #1 | 0 | - | 4.10 | 44,665 |
| Titled People Quiz #3 | 0 | - | 4.33 | 42,129 |
| Job Titles Quiz #1 | 0 | - | 4.21 | 74,660 |
| Female Historical Figures | 0 | - | 4.31 | 32,136 |
| Historical Blunders | 0 | - | 4.32 | 89,443 |
| Disasters in History | 0 | - | 4.41 | 24,685 |
| People Who Died in Battle | 0 | - | 4.35 | 21,828 |
| Territorial Accessions | 0 | - | 4.38 | 33,610 |
| People Known as "The Great" | 0 | - | 4.44 | 23,614 |
| This Day in History - July | 0 | - | 4.48 | 35,763 |
| This Day in History - August | 0 | - | 4.41 | 42,559 |
| This Day in History - September | 0 | - | 4.55 | 56,165 |
| This Day in History - October | 0 | - | 4.48 | 36,984 |
| This Day in History - January | 0 | - | 4.52 | 45,554 |
| This Day in History - March | 0 | - | 4.45 | 42,784 |
| Ancient Civilizations | 0 | - | 4.62 | 35,922 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 40,129 |
| 17th Century A-Z | 0 | - | 4.64 | 25,686 |
| History Generator Puzzle #3 | 0 | - | 4.08 | 18,200 |
| History Generator Puzzle #6 | 0 | - | 4.02 | 16,195 |
| History Generator Puzzle #5 | 0 | - | 4.16 | 18,391 |
| History Generator Puzzle #8 | 0 | - | 4.11 | 17,615 |
| History Generator Puzzle #7 | 0 | - | 4.05 | 15,721 |
| The Places They Went #1 | 0 | - | 4.75 | 32,934 |
| Famous Inventors | 0 | - | 4.44 | 42,960 |
| British History Multiple Choice #1 | 0 | - | 4.47 | 53,225 |
| People in History A-Z #5 | 0 | - | 4.04 | 30,645 |
| People in History A-Z #4 | 0 | - | 4.10 | 21,850 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.12 | 981,094 |
| The Venus Quiz | 0 | - | 4.15 | 6,603 |
| Monarchies Bordering Monarchies | 0 | - | 4.85 | 57,988 |
| U.S. Army Ranks | 0 | - | 4.45 | 98,563 |
| Top 30 Most Powerful Militaries | 0 | - | 4.53 | 168,955 |
| Countries with Aircraft Carriers | 0 | - | 4.75 | 120,298 |
| Names of Army Units | 0 | - | 4.64 | 34,868 |
| Countries with the Most Skyscrapers | 0 | - | 4.93 | 138,050 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.90 | 92,555 |
| Countries with the Tallest Buildings | 0 | - | 4.93 | 78,174 |
| Formula One Countries Visited | 0 | - | 4.96 | 129,321 |
| Formula 1: Top 3 in Driver's Championship | 0 | - | 4.95 | 78,382 |
| Coldest Countries | 0 | - | 4.97 | 130,952 |
| Five Coldest Countries by Continent | 0 | - | 4.96 | 61,537 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 79,097 |
| IMDB Top 100 Movies | 0 | - | 4.55 | 175,279 |
| Disney Songs in Movies | 0 | - | 4.41 | 364,730 |
| Authors with Books Turned into Movies | 0 | - | 4.45 | 60,410 |
