| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,343 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,598 |
| Movies by Wikipedia Descriptions #1 | 0 | - | 4.48 | 35,925 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.84 | 39,110 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,632 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,839 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,972 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,585 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,944 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,811 |
| Tourist Attraction by Wikipedia Description | 0 | - | 4.49 | 26,772 |
| "Second Best" History Edition | 0 | - | 4.93 | 61,925 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,126 |
| Territory Changes in World War I | 0 | - | 4.86 | 46,252 |
| Empires A-Z | 0 | - | 4.51 | 44,847 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,395 |
| History by Letter - A | 0 | - | 4.51 | 152,164 |
| History by Letter - B | 0 | - | 4.45 | 171,318 |
| History by Letter - C | 0 | - | 4.70 | 170,378 |
| History by Letter - E | 0 | - | 4.51 | 139,900 |
| History by Letter - G | 0 | - | 4.45 | 121,487 |
| History by Letter - H | 0 | - | 4.45 | 135,913 |
| History by Letter - J | 0 | - | 4.51 | 153,286 |
| History by Letter - N | 0 | - | 4.44 | 103,424 |
| History by Letter - S | 0 | - | 4.47 | 93,705 |
| History by Letter - W | 0 | - | 4.45 | 108,775 |
| History by Letter - M | 0 | - | 4.54 | 119,133 |
| History by Letter - K | 0 | - | 4.50 | 100,856 |
| History by Letter - L | 0 | - | 4.49 | 111,546 |
| History by Letter - I | 0 | - | 4.46 | 103,711 |
| NATO Military Alphabet | 0 | - | 4.98 | 554,617 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 798,184 |
| Most-Searched Countries on Wikipedia | 0 | - | 4.46 | 49,695 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,025 |
| Islands by Wikipedia Descriptions | 0 | - | 4.54 | 37,224 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 32,833 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,820 |
| Name the War | 0 | - | 4.37 | 200,821 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,414 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,831 |
| Famous Families #1 | 0 | - | 4.20 | 83,410 |
| Names for Warriors | 0 | - | 4.40 | 36,799 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,928 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,657 |
| Empires by Maps | 0 | - | 4.98 | 118,636 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,511 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,712 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,544 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,267 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,110 |
| Countries by Military Spending | 0 | - | 4.93 | 176,485 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,305,680 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,550 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,760 |
| Metals of Antiquity | 0 | - | 4.94 | 92,946 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,211 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,243 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,193 |
| WWI... or WWII? | 0 | - | 4.85 | 140,739 |
| Oldest Things | 0 | - | 3.92 | 65,595 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,768 |
| Famous Firsts #2 | 0 | - | 4.00 | 80,852 |
| Famous Firsts #3 - The United States | 0 | - | 4.17 | 14,493 |
| 20th Century A-Z | 0 | - | 4.50 | 53,186 |
| 19th Century A-Z | 0 | - | 4.77 | 46,751 |
| 18th Century A-Z | 0 | - | 4.54 | 42,658 |
| History by Letter - D | 0 | - | 4.39 | 136,927 |
| History by Letter - F | 0 | - | 4.18 | 113,722 |
| History by Letter - O | 0 | - | 4.31 | 99,080 |
| History by Letter - P | 0 | - | 4.38 | 107,380 |
| History by Letter - Q | 0 | - | 4.34 | 79,996 |
| History by Letter - R | 0 | - | 4.26 | 121,694 |
| History by Letter - T | 0 | - | 4.39 | 104,902 |
| History by Letter - U | 0 | - | 4.19 | 100,272 |
| History by Letter - V | 0 | - | 4.27 | 80,388 |
| History by Letter - Y | 0 | - | 4.27 | 86,949 |
| History by Letter - Z | 0 | - | 4.18 | 76,754 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,123 |
| History Containing the Letter X | 0 | - | 4.47 | 26,940 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,349 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 15,015 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,682 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,886 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,868 |
| Wikipedia Languages | 0 | - | 4.97 | 126,543 |
| Influential Women in History | 0 | - | 4.42 | 35,090 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,036 |
| Cradles of Civilization | 0 | - | 4.46 | 39,153 |
| Materials From History #1 | 0 | - | 4.56 | 50,778 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,175 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,557 |
| Notable People of WWII | 0 | - | 4.53 | 85,332 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,451 |
| World War I Quiz | 0 | - | 4.78 | 100,297 |
| WWI A-Z | 0 | - | 4.50 | 38,038 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,258 |
| Famous Explorers | 0 | - | 4.58 | 35,979 |
| Famous Empires by Description | 0 | - | 4.73 | 117,956 |
| Answers by Time Period | 0 | - | 4.63 | 55,295 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,478 |
| 16th Century A-Z | 0 | - | 4.58 | 24,391 |
| 15th Century A-Z | 0 | - | 4.49 | 23,401 |
| 14th Century A-Z | 0 | - | 4.41 | 23,767 |
| 17th Century A-Z | 0 | - | 4.78 | 34,178 |
| Same Start and End Letter - History #1 | 0 | - | 4.16 | 24,670 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,549 |
| History Ending in Z | 0 | - | 4.35 | 13,455 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.95 | 40,715 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 54,888 |
| Most Important People in History | 0 | - | 3.98 | 50,412 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 85,130 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,859 |
| Countries with the Least Dense Road Networks | 0 | - | 4.81 | 41,340 |
| Formula One World Champions | 0 | - | 4.96 | 385,587 |
| Monarchies of the World | 0 | - | 4.94 | 166,725 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,605 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 110,995 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,525 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,689 |
| Disney Animated Characters | 0 | - | 4.88 | 599,355 |
| Numbers Tile Select Quiz | 0 | - | 4.98 | 74,060 |
| People on Money by Country | 0 | - | 4.84 | 60,011 |
| Fast Math - Addition | 0 | - | 4.87 | 520,009 |
| Astronomy Quiz | 0 | - | 4.90 | 81,789 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 135,847 |
| Solar System Trivia | 0 | - | 4.93 | 46,084 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,449 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 65,204 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,785 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 128,768 |
| Geography by Letter - T | 0 | - | 4.84 | 152,514 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 165,659 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 86,755 |
| All Wikipedia Languages | 0 | - | 4.94 | 27,740 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 116,826 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,275 |
| Former Flags | 0 | - | 4.97 | 106,769 |
| Years in History by Picture | 0 | - | 4.44 | 35,131 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,217 |
| Materials From History #2 | 0 | - | 4.59 | 31,024 |
| WWII Trivia #1 | 0 | - | 4.36 | 176,693 |
| WWII A-Z #1 | 0 | - | 4.80 | 102,427 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,350 |
| Cold War Decoder | 0 | - | 4.83 | 51,959 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,326 |
| Events in History #2 | 0 | - | 4.49 | 71,450 |
| Events in History #4 | 0 | - | 4.44 | 44,119 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,461 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,834 |
| Assassinations in History | 0 | - | 4.21 | 65,982 |
| Famous Seconds | 0 | - | 4.22 | 46,402 |
| Ages and Eras | 0 | - | 4.38 | 67,479 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,410 |
| Titled People Quiz #1 | 0 | - | 4.10 | 45,630 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,050 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,835 |
| Female Historical Figures | 0 | - | 4.27 | 33,116 |
| Historical Blunders | 0 | - | 4.33 | 91,711 |
| People Who Died in Battle | 0 | - | 4.35 | 22,272 |
| Territorial Accessions | 0 | - | 4.38 | 34,648 |
| People Known as "The Great" | 0 | - | 4.46 | 24,536 |
| This Day in History - July | 0 | - | 4.49 | 36,374 |
| This Day in History - August | 0 | - | 4.42 | 43,258 |
| This Day in History - September | 0 | - | 4.55 | 57,274 |
| This Day in History - October | 0 | - | 4.49 | 37,555 |
| This Day in History - January | 0 | - | 4.53 | 46,582 |
| This Day in History - March | 0 | - | 4.45 | 43,548 |
| Ancient Civilizations | 0 | - | 4.63 | 37,773 |
| History Generator Puzzle #1 | 0 | - | 3.99 | 38,895 |
| History Generator Puzzle #3 | 0 | - | 4.03 | 19,528 |
| History Generator Puzzle #6 | 0 | - | 4.05 | 17,081 |
| History Generator Puzzle #5 | 0 | - | 4.18 | 19,480 |
| History Generator Puzzle #8 | 0 | - | 4.14 | 18,446 |
| History Generator Puzzle #7 | 0 | - | 4.16 | 19,795 |
| The Places They Went #1 | 0 | - | 4.74 | 33,450 |
| Famous Inventors | 0 | - | 4.43 | 43,464 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,506 |
| European History for Dummies | 0 | - | 4.83 | 89,357 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,011,126 |
| U.S. Army Ranks | 0 | - | 4.47 | 102,663 |
| Top 30 Most Powerful Militaries | 0 | - | 4.52 | 175,230 |
| Countries with Aircraft Carriers | 0 | - | 4.75 | 123,106 |
| Names of Army Units | 0 | - | 4.63 | 36,627 |
| Countries with the Most Skyscrapers | 0 | - | 4.92 | 143,480 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,331 |
| Countries with the Tallest Buildings | 0 | - | 4.93 | 103,820 |
| Formula One Countries Visited | 0 | - | 4.96 | 142,183 |
| Formula 1: Top 3 in Driver's Championship | 0 | - | 4.96 | 99,386 |
| All F1 Grand Prix Winners | 0 | - | 4.88 | 89,137 |
| Coldest Countries | 0 | - | 4.97 | 137,291 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,258 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,376 |
| IMDB Top 100 Movies | 0 | - | 4.45 | 203,466 |
| Authors with Books Turned into Movies | 0 | - | 4.44 | 62,648 |
| Corporate Partnerships | 0 | - | 4.56 | 36,800 |
| Prime Numbers 1-100 | 0 | - | 4.53 | 126,001 |
| Perfect Squares | 0 | - | 4.53 | 101,819 |
| Digits of Pi | 0 | - | 4.24 | 1,158,889 |
| Mathematics General Knowledge | 0 | - | 4.47 | 66,404 |
| Major World Religions | 0 | - | 4.78 | 92,556 |
