| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,396 |
| People in History by Wikipedia Descriptions #4 | 0 | - | 4.40 | 30,678 |
| Movies by Wikipedia Descriptions #1 | 0 | - | 4.48 | 35,986 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.83 | 39,308 |
| People in History A-Z #1 | 0 | - | 4.61 | 98,771 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,919 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,042 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,759 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,115 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,856 |
| Tourist Attraction by Wikipedia Description | 0 | - | 4.49 | 26,786 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,271 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,227 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,409 |
| Empires A-Z | 0 | - | 4.51 | 44,960 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,479 |
| History by Letter - A | 0 | - | 4.51 | 152,408 |
| History by Letter - B | 0 | - | 4.45 | 171,597 |
| History by Letter - C | 0 | - | 4.70 | 170,714 |
| History by Letter - E | 0 | - | 4.51 | 140,117 |
| History by Letter - G | 0 | - | 4.46 | 121,686 |
| History by Letter - H | 0 | - | 4.45 | 136,131 |
| History by Letter - J | 0 | - | 4.51 | 153,531 |
| History by Letter - N | 0 | - | 4.45 | 103,582 |
| History by Letter - S | 0 | - | 4.47 | 93,839 |
| History by Letter - W | 0 | - | 4.45 | 108,956 |
| History by Letter - M | 0 | - | 4.54 | 119,320 |
| History by Letter - K | 0 | - | 4.50 | 101,014 |
| History by Letter - L | 0 | - | 4.50 | 111,717 |
| History by Letter - I | 0 | - | 4.46 | 103,877 |
| NATO Military Alphabet | 0 | - | 4.98 | 556,179 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 799,323 |
| Most-Searched Countries on Wikipedia | 0 | - | 4.46 | 49,799 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,093 |
| Islands by Wikipedia Descriptions | 0 | - | 4.54 | 37,276 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 32,922 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,901 |
| Name the War | 0 | - | 4.37 | 201,135 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,463 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,921 |
| Famous Families #1 | 0 | - | 4.20 | 83,475 |
| Names for Warriors | 0 | - | 4.40 | 36,850 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,963 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,017 |
| Empires by Maps | 0 | - | 4.98 | 119,140 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,685 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,929 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,607 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,407 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,197 |
| Countries by Military Spending | 0 | - | 4.93 | 176,850 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,309,091 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,689 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,029 |
| Metals of Antiquity | 0 | - | 4.94 | 93,090 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,377 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,482 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,244 |
| WWI... or WWII? | 0 | - | 4.85 | 141,257 |
| Oldest Things | 0 | - | 3.92 | 65,618 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,786 |
| Famous Firsts #2 | 0 | - | 4.01 | 80,919 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,565 |
| 20th Century A-Z | 0 | - | 4.50 | 53,261 |
| 19th Century A-Z | 0 | - | 4.77 | 46,817 |
| 18th Century A-Z | 0 | - | 4.54 | 42,700 |
| History by Letter - D | 0 | - | 4.39 | 137,128 |
| History by Letter - F | 0 | - | 4.18 | 113,879 |
| History by Letter - O | 0 | - | 4.32 | 99,218 |
| History by Letter - P | 0 | - | 4.39 | 107,511 |
| History by Letter - Q | 0 | - | 4.34 | 80,109 |
| History by Letter - R | 0 | - | 4.26 | 121,851 |
| History by Letter - T | 0 | - | 4.39 | 105,017 |
| History by Letter - U | 0 | - | 4.19 | 100,522 |
| History by Letter - V | 0 | - | 4.27 | 80,523 |
| History by Letter - Y | 0 | - | 4.27 | 87,059 |
| History by Letter - Z | 0 | - | 4.18 | 76,847 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,166 |
| History Containing the Letter X | 0 | - | 4.47 | 26,971 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,380 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 15,060 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,819 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,279 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,952 |
| Wikipedia Languages | 0 | - | 4.97 | 126,715 |
| Influential Women in History | 0 | - | 4.42 | 35,254 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,108 |
| Cradles of Civilization | 0 | - | 4.46 | 39,331 |
| Materials From History #1 | 0 | - | 4.56 | 51,294 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,338 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 705,421 |
| Notable People of WWII | 0 | - | 4.53 | 85,441 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,647 |
| World War I Quiz | 0 | - | 4.78 | 100,490 |
| WWI A-Z | 0 | - | 4.50 | 38,127 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,461 |
| Famous Explorers | 0 | - | 4.58 | 36,039 |
| Famous Empires by Description | 0 | - | 4.73 | 118,117 |
| Answers by Time Period | 0 | - | 4.63 | 55,390 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,718 |
| 16th Century A-Z | 0 | - | 4.58 | 24,436 |
| 15th Century A-Z | 0 | - | 4.49 | 23,430 |
| 14th Century A-Z | 0 | - | 4.41 | 23,850 |
| 17th Century A-Z | 0 | - | 4.78 | 34,224 |
| Same Start and End Letter - History #1 | 0 | - | 4.17 | 24,696 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,592 |
| History Ending in Z | 0 | - | 4.35 | 13,486 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 40,815 |
| Most Important People in History | 0 | - | 3.98 | 50,512 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 86,975 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,067 |
| Countries with the Least Dense Road Networks | 0 | - | 4.81 | 41,404 |
| Formula One World Champions | 0 | - | 4.96 | 386,812 |
| Monarchies of the World | 0 | - | 4.94 | 167,241 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 112,021 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,233 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,743 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,809 |
| Disney Animated Characters | 0 | - | 4.88 | 600,045 |
| Numbers Tile Select Quiz | 0 | - | 4.98 | 74,286 |
| People on Money by Country | 0 | - | 4.83 | 60,113 |
| Fast Math - Addition | 0 | - | 4.87 | 521,148 |
| Astronomy Quiz | 0 | - | 4.90 | 82,040 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 136,265 |
| Solar System Trivia | 0 | - | 4.93 | 46,276 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,558 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,340 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,981 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 129,248 |
| Geography by Letter - T | 0 | - | 4.84 | 152,914 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 166,302 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 87,003 |
| All Wikipedia Languages | 0 | - | 4.95 | 27,941 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 116,966 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,333 |
| Former Flags | 0 | - | 4.97 | 107,068 |
| Years in History by Picture | 0 | - | 4.44 | 35,269 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,322 |
| Materials From History #2 | 0 | - | 4.59 | 31,366 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,708 |
| WWII Trivia #1 | 0 | - | 4.36 | 177,028 |
| WWII A-Z #1 | 0 | - | 4.80 | 102,610 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,451 |
| Cold War Decoder | 0 | - | 4.83 | 52,088 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,352 |
| Events in History #2 | 0 | - | 4.49 | 71,531 |
| Events in History #4 | 0 | - | 4.44 | 44,177 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,682 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,886 |
| Assassinations in History | 0 | - | 4.21 | 66,064 |
| Famous Seconds | 0 | - | 4.22 | 46,472 |
| Ages and Eras | 0 | - | 4.38 | 67,564 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,434 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,688 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,097 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,890 |
| Female Historical Figures | 0 | - | 4.27 | 33,164 |
| Historical Blunders | 0 | - | 4.34 | 91,789 |
| People Who Died in Battle | 0 | - | 4.35 | 22,289 |
| Territorial Accessions | 0 | - | 4.39 | 34,696 |
| People Known as "The Great" | 0 | - | 4.46 | 24,581 |
| This Day in History - July | 0 | - | 4.49 | 36,403 |
| This Day in History - August | 0 | - | 4.42 | 43,297 |
| This Day in History - September | 0 | - | 4.55 | 57,334 |
| This Day in History - October | 0 | - | 4.49 | 37,578 |
| This Day in History - January | 0 | - | 4.50 | 46,629 |
| This Day in History - March | 0 | - | 4.45 | 43,579 |
| Ancient Civilizations | 0 | - | 4.64 | 37,825 |
| History Generator Puzzle #1 | 0 | - | 3.99 | 39,649 |
| History Generator Puzzle #3 | 0 | - | 4.03 | 20,310 |
| History Generator Puzzle #6 | 0 | - | 4.05 | 17,460 |
| History Generator Puzzle #5 | 0 | - | 4.18 | 19,956 |
| History Generator Puzzle #8 | 0 | - | 4.14 | 18,768 |
| History Generator Puzzle #7 | 0 | - | 4.16 | 20,245 |
| The Places They Went #1 | 0 | - | 4.74 | 33,467 |
| Famous Inventors | 0 | - | 4.43 | 43,487 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,636 |
| European History for Dummies | 0 | - | 4.83 | 89,534 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,011,981 |
| U.S. Army Ranks | 0 | - | 4.48 | 102,826 |
| Top 30 Most Powerful Militaries | 0 | - | 4.52 | 175,458 |
| Countries with Aircraft Carriers | 0 | - | 4.75 | 123,187 |
| Names of Army Units | 0 | - | 4.63 | 36,724 |
| Countries with the Most Skyscrapers | 0 | - | 4.92 | 143,666 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,413 |
| Countries with the Tallest Buildings | 0 | - | 4.93 | 104,008 |
| Formula One Countries Visited | 0 | - | 4.96 | 142,658 |
| Formula 1: Top 3 in Driver's Championship | 0 | - | 4.96 | 99,840 |
| All F1 Grand Prix Winners | 0 | - | 4.88 | 89,437 |
| Coldest Countries | 0 | - | 4.97 | 138,001 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,364 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,479 |
| IMDB Top 100 Movies | 0 | - | 4.45 | 203,968 |
| Authors with Books Turned into Movies | 0 | - | 4.44 | 62,742 |
| Corporate Partnerships | 0 | - | 4.56 | 36,832 |
| Prime Numbers 1-100 | 0 | - | 4.53 | 126,283 |
| Perfect Squares | 0 | - | 4.53 | 101,907 |
| Digits of Pi | 0 | - | 4.24 | 1,160,232 |
| Mathematics General Knowledge | 0 | - | 4.47 | 66,583 |
| Major World Religions | 0 | - | 4.78 | 92,629 |
