| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,448 |
| People in History by Wikipedia Descriptions #4 | 0 | - | 4.40 | 30,714 |
| Movies by Wikipedia Descriptions #1 | 0 | - | 4.48 | 36,071 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.83 | 39,563 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,930 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,051 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,144 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,978 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,304 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,919 |
| Tourist Attraction by Wikipedia Description | 0 | - | 4.49 | 26,812 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,742 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,361 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,641 |
| Empires A-Z | 0 | - | 4.52 | 45,090 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,579 |
| History by Letter - A | 0 | - | 4.51 | 152,801 |
| History by Letter - B | 0 | - | 4.45 | 172,033 |
| History by Letter - C | 0 | - | 4.70 | 171,315 |
| History by Letter - E | 0 | - | 4.51 | 140,479 |
| History by Letter - G | 0 | - | 4.46 | 121,996 |
| History by Letter - H | 0 | - | 4.45 | 136,453 |
| History by Letter - J | 0 | - | 4.51 | 153,905 |
| History by Letter - N | 0 | - | 4.45 | 103,998 |
| History by Letter - S | 0 | - | 4.47 | 94,295 |
| History by Letter - W | 0 | - | 4.45 | 109,249 |
| History by Letter - M | 0 | - | 4.54 | 119,755 |
| History by Letter - K | 0 | - | 4.50 | 101,279 |
| History by Letter - L | 0 | - | 4.50 | 112,005 |
| History by Letter - I | 0 | - | 4.46 | 104,134 |
| NATO Military Alphabet | 0 | - | 4.98 | 558,296 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 801,194 |
| Most-Searched Countries on Wikipedia | 0 | - | 4.46 | 49,909 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,167 |
| Islands by Wikipedia Descriptions | 0 | - | 4.54 | 37,340 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,032 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,954 |
| Name the War | 0 | - | 4.37 | 201,436 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,516 |
| Famous Firsts #1 | 0 | - | 4.40 | 69,005 |
| Famous Families #1 | 0 | - | 4.20 | 83,556 |
| Names for Warriors | 0 | - | 4.40 | 36,897 |
| Famous Firsts #2 | 0 | - | 4.01 | 80,991 |
| People in History A-Z #4 | 0 | - | 4.11 | 23,007 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,511 |
| Empires by Maps | 0 | - | 4.98 | 119,914 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,932 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,141 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,689 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,592 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,321 |
| Countries by Military Spending | 0 | - | 4.93 | 177,334 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,313,574 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,886 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,384 |
| Metals of Antiquity | 0 | - | 4.94 | 93,287 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,571 |
| History: What Came First? #1 | 0 | - | 4.87 | 105,046 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,321 |
| WWI... or WWII? | 0 | - | 4.85 | 141,849 |
| Oldest Things | 0 | - | 3.92 | 65,643 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,811 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,624 |
| 20th Century A-Z | 0 | - | 4.50 | 53,633 |
| 19th Century A-Z | 0 | - | 4.77 | 47,214 |
| 18th Century A-Z | 0 | - | 4.54 | 43,097 |
| History by Letter - D | 0 | - | 4.39 | 137,449 |
| History by Letter - F | 0 | - | 4.18 | 114,156 |
| History by Letter - O | 0 | - | 4.32 | 99,442 |
| History by Letter - P | 0 | - | 4.39 | 107,789 |
| History by Letter - Q | 0 | - | 4.34 | 80,280 |
| History by Letter - R | 0 | - | 4.26 | 122,120 |
| History by Letter - T | 0 | - | 4.39 | 105,215 |
| History by Letter - U | 0 | - | 4.19 | 100,735 |
| History by Letter - V | 0 | - | 4.27 | 80,712 |
| History by Letter - Y | 0 | - | 4.27 | 87,226 |
| History by Letter - Z | 0 | - | 4.20 | 76,998 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,218 |
| History Containing the Letter X | 0 | - | 4.47 | 27,022 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,423 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,114 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,176 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,808 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,069 |
| Wikipedia Languages | 0 | - | 4.97 | 126,917 |
| Influential Women in History | 0 | - | 4.42 | 35,492 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,188 |
| Cradles of Civilization | 0 | - | 4.46 | 39,544 |
| Materials From History #1 | 0 | - | 4.56 | 51,472 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,527 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 706,562 |
| Notable People of WWII | 0 | - | 4.53 | 85,642 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,852 |
| World War I Quiz | 0 | - | 4.78 | 101,125 |
| WWI A-Z | 0 | - | 4.50 | 38,255 |
| Biggest Nations and Empires Ever | 0 | - | 4.52 | 145,719 |
| Famous Explorers | 0 | - | 4.58 | 36,116 |
| Famous Empires by Description | 0 | - | 4.73 | 118,313 |
| Answers by Time Period | 0 | - | 4.63 | 55,508 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,862 |
| 16th Century A-Z | 0 | - | 4.58 | 24,843 |
| 15th Century A-Z | 0 | - | 4.49 | 23,884 |
| 14th Century A-Z | 0 | - | 4.41 | 24,316 |
| 17th Century A-Z | 0 | - | 4.78 | 34,585 |
| Same Start and End Letter - History #1 | 0 | - | 4.17 | 24,727 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,642 |
| History Ending in Z | 0 | - | 4.35 | 13,515 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 40,940 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,220 |
| Most Important People in History | 0 | - | 3.98 | 50,633 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 90,688 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,337 |
| Countries with the Least Dense Road Networks | 0 | - | 4.81 | 41,500 |
| Formula One World Champions | 0 | - | 4.96 | 389,044 |
| Monarchies of the World | 0 | - | 4.94 | 168,183 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 112,320 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,557 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,073 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,992 |
| Disney Animated Characters | 0 | - | 4.88 | 600,930 |
| Numbers Tile Select Quiz | 0 | - | 4.98 | 74,517 |
| People on Money by Country | 0 | - | 4.83 | 60,259 |
| Fast Math - Addition | 0 | - | 4.87 | 522,100 |
| Astronomy Quiz | 0 | - | 4.90 | 82,368 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 136,847 |
| Solar System Trivia | 0 | - | 4.93 | 46,472 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,713 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,544 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,225 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 129,961 |
| Geography by Letter - T | 0 | - | 4.84 | 153,664 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 167,436 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 87,346 |
| All Wikipedia Languages | 0 | - | 4.95 | 28,172 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 117,153 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,394 |
| Former Flags | 0 | - | 4.97 | 107,447 |
| Years in History by Picture | 0 | - | 4.44 | 35,430 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,509 |
| Materials From History #2 | 0 | - | 4.59 | 31,451 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,868 |
| WWII Trivia #1 | 0 | - | 4.36 | 177,425 |
| WWII A-Z #1 | 0 | - | 4.78 | 102,834 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,579 |
| WWII True or False? | 0 | - | 4.56 | 57,413 |
| Cold War Decoder | 0 | - | 4.83 | 52,243 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,384 |
| Events in History #2 | 0 | - | 4.49 | 71,636 |
| Events in History #4 | 0 | - | 4.44 | 44,259 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,008 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,954 |
| Assassinations in History | 0 | - | 4.21 | 66,150 |
| Famous Seconds | 0 | - | 4.22 | 46,544 |
| Ages and Eras | 0 | - | 4.39 | 67,646 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,470 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,758 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,139 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,952 |
| Female Historical Figures | 0 | - | 4.28 | 33,222 |
| Historical Blunders | 0 | - | 4.34 | 91,886 |
| People Who Died in Battle | 0 | - | 4.35 | 22,307 |
| Territorial Accessions | 0 | - | 4.36 | 34,758 |
| People Known as "The Great" | 0 | - | 4.46 | 24,632 |
| This Day in History - July | 0 | - | 4.49 | 36,434 |
| This Day in History - August | 0 | - | 4.42 | 43,333 |
| This Day in History - September | 0 | - | 4.55 | 57,396 |
| This Day in History - October | 0 | - | 4.49 | 37,605 |
| This Day in History - January | 0 | - | 4.50 | 46,675 |
| This Day in History - March | 0 | - | 4.45 | 43,631 |
| Ancient Civilizations | 0 | - | 4.64 | 37,913 |
| History Generator Puzzle #1 | 0 | - | 4.00 | 39,702 |
| History Generator Puzzle #3 | 0 | - | 4.03 | 20,358 |
| History Generator Puzzle #6 | 0 | - | 4.05 | 17,499 |
| History Generator Puzzle #5 | 0 | - | 4.18 | 20,006 |
| History Generator Puzzle #8 | 0 | - | 4.14 | 18,806 |
| History Generator Puzzle #7 | 0 | - | 4.16 | 20,364 |
| The Places They Went #1 | 0 | - | 4.74 | 33,504 |
| Famous Inventors | 0 | - | 4.44 | 43,520 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,801 |
| European History for Dummies | 0 | - | 4.83 | 89,747 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,013,067 |
| U.S. Army Ranks | 0 | - | 4.48 | 103,411 |
| Top 30 Most Powerful Militaries | 0 | - | 4.52 | 175,773 |
| Countries with Aircraft Carriers | 0 | - | 4.75 | 123,308 |
| Names of Army Units | 0 | - | 4.63 | 36,830 |
| Countries with the Most Skyscrapers | 0 | - | 4.92 | 143,917 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,505 |
| Countries with the Tallest Buildings | 0 | - | 4.93 | 104,211 |
| Formula One Countries Visited | 0 | - | 4.96 | 143,234 |
| Formula 1: Top 3 in Driver's Championship | 0 | - | 4.96 | 100,545 |
| All F1 Grand Prix Winners | 0 | - | 4.85 | 89,883 |
| Coldest Countries | 0 | - | 4.97 | 138,268 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,484 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,604 |
| IMDB Top 100 Movies | 0 | - | 4.45 | 204,601 |
| Authors with Books Turned into Movies | 0 | - | 4.45 | 62,848 |
| Corporate Partnerships | 0 | - | 4.56 | 36,876 |
| Prime Numbers 1-100 | 0 | - | 4.53 | 126,645 |
| Perfect Squares | 0 | - | 4.53 | 102,259 |
| Digits of Pi | 0 | - | 4.24 | 1,161,605 |
