| Space Exploration Trivia | 0 | - | 4.38 | 35,265 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,262 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,471 |
| Astronomy Quiz | 0 | - | 4.90 | 82,124 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 136,424 |
| Solar System Trivia | 0 | - | 4.93 | 46,333 |
| WWI... or WWII? | 0 | - | 4.85 | 141,418 |
| Cold War Decoder | 0 | - | 4.83 | 52,119 |
| Notable People of WWII | 0 | - | 4.53 | 85,485 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,712 |
| World War I Quiz | 0 | - | 4.78 | 100,563 |
| WWI A-Z | 0 | - | 4.50 | 38,159 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,817 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,173 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,399 |
| Empires A-Z | 0 | - | 4.51 | 44,994 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,502 |
| Roman Provinces on a Map | 0 | - | 4.54 | 36,751 |
| History by Letter - A | 0 | - | 4.51 | 152,499 |
| History by Letter - B | 0 | - | 4.45 | 171,708 |
| History by Letter - C | 0 | - | 4.70 | 170,839 |
| History by Letter - E | 0 | - | 4.51 | 140,227 |
| History by Letter - G | 0 | - | 4.46 | 121,758 |
| History by Letter - H | 0 | - | 4.45 | 136,225 |
| History by Letter - J | 0 | - | 4.51 | 153,661 |
| History by Letter - N | 0 | - | 4.45 | 103,661 |
| History by Letter - S | 0 | - | 4.47 | 93,916 |
| History by Letter - W | 0 | - | 4.45 | 109,026 |
| History by Letter - M | 0 | - | 4.54 | 119,527 |
| History by Letter - K | 0 | - | 4.50 | 101,087 |
| History by Letter - L | 0 | - | 4.50 | 111,801 |
| History by Letter - I | 0 | - | 4.46 | 103,950 |
| NATO Military Alphabet | 0 | - | 4.98 | 556,759 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 799,655 |
| Astronomy True or False | 0 | - | 4.39 | 36,352 |
| WWII Trivia #1 | 0 | - | 4.36 | 177,156 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,918 |
| Name the War | 0 | - | 4.37 | 201,215 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,469 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,954 |
| Famous Families #1 | 0 | - | 4.20 | 83,502 |
| Names for Warriors | 0 | - | 4.40 | 36,863 |
| Famous Firsts #2 | 0 | - | 4.01 | 80,940 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,151 |
| Empires by Maps | 0 | - | 4.98 | 119,334 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,750 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,996 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,628 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,457 |
| World War II Multiple Choice | 0 | - | 4.38 | 103,513 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,235 |
| People in History A-Z #1 | 0 | - | 4.61 | 98,820 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,949 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,061 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,297 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,410 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,640 |
| Countries by Military Spending | 0 | - | 4.93 | 176,975 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,310,398 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,733 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,121 |
| Metals of Antiquity | 0 | - | 4.94 | 93,140 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,427 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,804 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,341 |
| Oldest Things | 0 | - | 3.92 | 65,631 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,795 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,591 |
| 20th Century A-Z | 0 | - | 4.50 | 53,291 |
| 19th Century A-Z | 0 | - | 4.77 | 46,838 |
| 18th Century A-Z | 0 | - | 4.54 | 42,721 |
| History by Letter - D | 0 | - | 4.39 | 137,217 |
| History by Letter - F | 0 | - | 4.18 | 113,952 |
| History by Letter - O | 0 | - | 4.32 | 99,280 |
| History by Letter - P | 0 | - | 4.39 | 107,586 |
| History by Letter - Q | 0 | - | 4.34 | 80,157 |
| History by Letter - R | 0 | - | 4.26 | 121,917 |
| History by Letter - T | 0 | - | 4.39 | 105,070 |
| History by Letter - U | 0 | - | 4.19 | 100,589 |
| History by Letter - V | 0 | - | 4.27 | 80,582 |
| History by Letter - Y | 0 | - | 4.27 | 87,110 |
| History by Letter - Z | 0 | - | 4.18 | 76,885 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,183 |
| History Containing the Letter X | 0 | - | 4.47 | 26,985 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,390 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 15,077 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,038 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,425 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,983 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 28,049 |
| Influential Women in History | 0 | - | 4.42 | 35,303 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,124 |
| Cradles of Civilization | 0 | - | 4.46 | 39,377 |
| Materials From History #1 | 0 | - | 4.56 | 51,335 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,382 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 705,806 |
| 1950s Decade Quiz | 0 | - | 4.41 | 49,075 |
| 1960s Decade Quiz #2 | 0 | - | 4.45 | 44,736 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,535 |
| Famous Explorers | 0 | - | 4.58 | 36,052 |
| Famous Empires by Description | 0 | - | 4.73 | 118,167 |
| Answers by Time Period | 0 | - | 4.64 | 55,423 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,870 |
| Space in the Answers | 0 | - | 4.27 | 50,530 |
| The Jupiter Quiz | 0 | - | 4.64 | 16,422 |
| The Mars Quiz | 0 | - | 4.55 | 18,612 |
| The Saturn Quiz | 0 | - | 4.54 | 11,530 |
| The Pluto Quiz | 0 | - | 4.61 | 9,807 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,763 |
| Recently Independent Countries | 0 | - | 4.98 | 158,385 |
| 16th Century A-Z | 0 | - | 4.58 | 24,448 |
| 15th Century A-Z | 0 | - | 4.49 | 23,442 |
| 14th Century A-Z | 0 | - | 4.41 | 23,875 |
| 17th Century A-Z | 0 | - | 4.78 | 34,234 |
| Same Start and End Letter - History #1 | 0 | - | 4.17 | 24,705 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,603 |
| History Ending in Z | 0 | - | 4.35 | 13,495 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 40,851 |
| Most Important People in History | 0 | - | 3.98 | 50,542 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 89,172 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,139 |
| Countries with the Least Dense Road Networks | 0 | - | 4.81 | 41,428 |
| Formula One World Champions | 0 | - | 4.96 | 387,279 |
| Monarchies of the World | 0 | - | 4.94 | 167,430 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 112,093 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,320 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,837 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,857 |
| Disney Animated Characters | 0 | - | 4.88 | 600,303 |
| Numbers Tile Select Quiz | 0 | - | 4.98 | 74,357 |
| People on Money by Country | 0 | - | 4.83 | 60,161 |
| Fast Math - Addition | 0 | - | 4.87 | 521,428 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,603 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,389 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,042 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 129,481 |
| Geography by Letter - T | 0 | - | 4.84 | 153,151 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 166,552 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 87,078 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.83 | 39,371 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 117,005 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,342 |
| Former Flags | 0 | - | 4.97 | 107,175 |
| Years in History by Picture | 0 | - | 4.44 | 35,313 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,427 |
| Materials From History #2 | 0 | - | 4.59 | 31,398 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,745 |
| WWII A-Z #1 | 0 | - | 4.78 | 102,679 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,492 |
| 1960s Decade Quiz #1 | 0 | - | 4.40 | 49,890 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,369 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,356 |
| Events in History #2 | 0 | - | 4.49 | 71,561 |
| Events in History #4 | 0 | - | 4.44 | 44,201 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,786 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,902 |
| Assassinations in History | 0 | - | 4.21 | 66,087 |
| Famous Seconds | 0 | - | 4.22 | 46,495 |
| Ages and Eras | 0 | - | 4.38 | 67,582 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,447 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,707 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,104 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,905 |
| Female Historical Figures | 0 | - | 4.27 | 33,183 |
| Historical Blunders | 0 | - | 4.34 | 91,815 |
| People Who Died in Battle | 0 | - | 4.35 | 22,292 |
| Territorial Accessions | 0 | - | 4.39 | 34,707 |
| People Known as "The Great" | 0 | - | 4.46 | 24,593 |
| This Day in History - July | 0 | - | 4.49 | 36,414 |
| This Day in History - August | 0 | - | 4.42 | 43,308 |
| This Day in History - September | 0 | - | 4.55 | 57,347 |
| This Day in History - October | 0 | - | 4.49 | 37,583 |
| This Day in History - January | 0 | - | 4.50 | 46,634 |
| This Day in History - March | 0 | - | 4.45 | 43,588 |
| Ancient Civilizations | 0 | - | 4.64 | 37,846 |
| History Generator Puzzle #1 | 0 | - | 4.00 | 39,668 |
| History Generator Puzzle #3 | 0 | - | 4.03 | 20,333 |
| History Generator Puzzle #6 | 0 | - | 4.05 | 17,483 |
| History Generator Puzzle #5 | 0 | - | 4.18 | 19,981 |
| History Generator Puzzle #8 | 0 | - | 4.14 | 18,785 |
| History Generator Puzzle #7 | 0 | - | 4.16 | 20,288 |
| The Places They Went #1 | 0 | - | 4.74 | 33,478 |
| Famous Inventors | 0 | - | 4.43 | 43,494 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,049 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,895 |
| French History Multiple Choice | 0 | - | 4.55 | 32,948 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,677 |
| European History for Dummies | 0 | - | 4.83 | 89,584 |
| People in History by Wikipedia Descriptions #4 | 0 | - | 4.40 | 30,687 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,976 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,012,287 |
| U.S. Army Ranks | 0 | - | 4.48 | 102,870 |
| Top 30 Most Powerful Militaries | 0 | - | 4.52 | 175,535 |
| Countries with Aircraft Carriers | 0 | - | 4.75 | 123,217 |
| Names of Army Units | 0 | - | 4.63 | 36,750 |
| Countries with the Most Skyscrapers | 0 | - | 4.92 | 143,736 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,437 |
| Countries with the Tallest Buildings | 0 | - | 4.93 | 104,057 |
| Formula One Countries Visited | 0 | - | 4.96 | 142,807 |
| Formula 1: Top 3 in Driver's Championship | 0 | - | 4.96 | 99,991 |
