| Countries with the Most Skyscrapers | 0 | - | 4.93 | 144,100 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,558 |
| Countries with the Tallest Buildings | 0 | - | 4.93 | 104,378 |
| Make a Stained Glass Window | 0 | - | 4.99 | 68,512 |
| Tall Building Cities - United States | 0 | - | 4.48 | 68,397 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,822 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,081 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,419 |
| Cities with the Tallest Buildings | 0 | - | 4.17 | 84,558 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,959 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,439 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,775 |
| Empires A-Z | 0 | - | 4.52 | 45,174 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,645 |
| History by Letter - A | 0 | - | 4.51 | 153,199 |
| History by Letter - B | 0 | - | 4.45 | 172,488 |
| History by Letter - C | 0 | - | 4.70 | 171,756 |
| History by Letter - E | 0 | - | 4.51 | 140,833 |
| History by Letter - G | 0 | - | 4.46 | 122,316 |
| History by Letter - H | 0 | - | 4.45 | 136,936 |
| History by Letter - J | 0 | - | 4.51 | 154,263 |
| History by Letter - N | 0 | - | 4.45 | 104,220 |
| History by Letter - S | 0 | - | 4.47 | 94,521 |
| History by Letter - W | 0 | - | 4.45 | 109,689 |
| History by Letter - M | 0 | - | 4.54 | 120,015 |
| History by Letter - K | 0 | - | 4.50 | 101,509 |
| History by Letter - L | 0 | - | 4.50 | 112,255 |
| History by Letter - I | 0 | - | 4.46 | 104,543 |
| NATO Military Alphabet | 0 | - | 4.98 | 560,042 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 802,521 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,993 |
| Name the War | 0 | - | 4.37 | 201,654 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,543 |
| Famous Firsts #1 | 0 | - | 4.40 | 69,062 |
| Famous Families #1 | 0 | - | 4.20 | 83,608 |
| Names for Warriors | 0 | - | 4.40 | 36,936 |
| Famous Firsts #2 | 0 | - | 4.01 | 81,032 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,791 |
| Empires by Maps | 0 | - | 4.98 | 120,448 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,121 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,322 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,743 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,716 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,381 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,043 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,121 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,198 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,364 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,475 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,687 |
| Countries by Military Spending | 0 | - | 4.93 | 177,730 |
| Countries with the Most Skyscrapers per Capita | 0 | - | 4.69 | 72,501 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,316,597 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 38,109 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,803 |
| Metals of Antiquity | 0 | - | 4.95 | 93,432 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,704 |
| History: What Came First? #1 | 0 | - | 4.87 | 105,255 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,361 |
| WWI... or WWII? | 0 | - | 4.85 | 142,226 |
| Oldest Things | 0 | - | 3.92 | 65,657 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,649 |
| 20th Century A-Z | 0 | - | 4.50 | 53,731 |
| 19th Century A-Z | 0 | - | 4.77 | 47,291 |
| 18th Century A-Z | 0 | - | 4.54 | 43,173 |
| History by Letter - D | 0 | - | 4.40 | 137,970 |
| History by Letter - F | 0 | - | 4.18 | 114,607 |
| History by Letter - O | 0 | - | 4.32 | 99,647 |
| History by Letter - P | 0 | - | 4.36 | 107,985 |
| History by Letter - Q | 0 | - | 4.34 | 80,445 |
| History by Letter - R | 0 | - | 4.26 | 122,343 |
| History by Letter - T | 0 | - | 4.39 | 105,412 |
| History by Letter - U | 0 | - | 4.19 | 100,923 |
| History by Letter - V | 0 | - | 4.27 | 80,878 |
| History by Letter - Y | 0 | - | 4.27 | 87,394 |
| History by Letter - Z | 0 | - | 4.20 | 77,163 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,248 |
| History Containing the Letter X | 0 | - | 4.47 | 27,045 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,453 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,145 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,298 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,196 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,148 |
| Influential Women in History | 0 | - | 4.42 | 35,589 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,238 |
| Cradles of Civilization | 0 | - | 4.46 | 39,642 |
| Materials From History #1 | 0 | - | 4.56 | 51,548 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,622 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 707,638 |
| Notable People of WWII | 0 | - | 4.53 | 85,918 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,994 |
| World War I Quiz | 0 | - | 4.78 | 101,275 |
| WWI A-Z | 0 | - | 4.50 | 38,340 |
| Biggest Nations and Empires Ever | 0 | - | 4.52 | 145,890 |
| Famous Explorers | 0 | - | 4.58 | 36,160 |
| Famous Empires by Description | 0 | - | 4.73 | 118,448 |
| Answers by Time Period | 0 | - | 4.64 | 55,570 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,959 |
| People in History by Wikipedia Descriptions #4 | 0 | - | 4.41 | 30,743 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,958 |
| 16th Century A-Z | 0 | - | 4.58 | 24,901 |
| 15th Century A-Z | 0 | - | 4.49 | 23,928 |
| 14th Century A-Z | 0 | - | 4.41 | 24,386 |
| 17th Century A-Z | 0 | - | 4.78 | 34,636 |
| Same Start and End Letter - History #1 | 0 | - | 4.18 | 24,747 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,678 |
| History Ending in Z | 0 | - | 4.35 | 13,534 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,033 |
| Most Important People in History | 0 | - | 3.98 | 50,693 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 91,455 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 180,525 |
| Countries with the Least Dense Road Networks | 0 | - | 4.81 | 41,572 |
| Formula One World Champions | 0 | - | 4.96 | 390,348 |
| Monarchies of the World | 0 | - | 4.94 | 168,655 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 112,592 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,825 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,351 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,133 |
| Disney Animated Characters | 0 | - | 4.88 | 601,429 |
| Numbers Tile Select Quiz | 0 | - | 4.98 | 74,760 |
| People on Money by Country | 0 | - | 4.83 | 60,384 |
| Fast Math - Addition | 0 | - | 4.87 | 522,803 |
| Astronomy Quiz | 0 | - | 4.90 | 82,599 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 137,241 |
| Solar System Trivia | 0 | - | 4.93 | 46,655 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,815 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,709 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,382 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 150,082 |
| Geography by Letter - T | 0 | - | 4.84 | 154,045 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 168,108 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 87,617 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.84 | 39,772 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 117,296 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,450 |
| Former Flags | 0 | - | 4.97 | 107,724 |
| Years in History by Picture | 0 | - | 4.44 | 35,520 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,586 |
| Materials From History #2 | 0 | - | 4.59 | 31,481 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,005 |
| All World Leaders 2026 | 0 | - | 4.94 | 20,065 |
| WWII Trivia #1 | 0 | - | 4.36 | 177,672 |
| WWII A-Z #1 | 0 | - | 4.73 | 102,990 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,666 |
| Cold War Decoder | 0 | - | 4.83 | 52,356 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,412 |
| Events in History #2 | 0 | - | 4.49 | 71,717 |
| Events in History #3 | 0 | - | 4.41 | 71,698 |
| Events in History #4 | 0 | - | 4.44 | 44,307 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,206 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 49,005 |
| Assassinations in History | 0 | - | 4.21 | 66,205 |
| Famous Seconds | 0 | - | 4.22 | 46,573 |
| Ages and Eras | 0 | - | 4.39 | 67,711 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,484 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,787 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,162 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,993 |
| Female Historical Figures | 0 | - | 4.28 | 33,240 |
| Historical Blunders | 0 | - | 4.34 | 91,957 |
| People Who Died in Battle | 0 | - | 4.35 | 22,322 |
| Territorial Accessions | 0 | - | 4.34 | 34,785 |
| People Known as "The Great" | 0 | - | 4.46 | 24,672 |
| This Day in History - July | 0 | - | 4.49 | 36,451 |
| This Day in History - August | 0 | - | 4.42 | 43,360 |
| This Day in History - September | 0 | - | 4.55 | 57,443 |
| This Day in History - October | 0 | - | 4.49 | 37,625 |
| This Day in History - January | 0 | - | 4.47 | 46,713 |
| This Day in History - March | 0 | - | 4.45 | 43,668 |
| Ancient Civilizations | 0 | - | 4.64 | 37,959 |
| History Generator Puzzle #1 | 0 | - | 4.00 | 39,729 |
| History Generator Puzzle #3 | 0 | - | 4.03 | 20,371 |
| History Generator Puzzle #6 | 0 | - | 4.05 | 17,513 |
| History Generator Puzzle #5 | 0 | - | 4.18 | 20,021 |
| History Generator Puzzle #8 | 0 | - | 4.14 | 18,825 |
| History Generator Puzzle #7 | 0 | - | 4.16 | 20,469 |
| The Places They Went #1 | 0 | - | 4.74 | 33,532 |
| Famous Inventors | 0 | - | 4.44 | 43,540 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,926 |
| European History for Dummies | 0 | - | 4.83 | 89,904 |
| People in History A-Z #4 | 0 | - | 4.11 | 23,041 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,013,829 |
| U.S. Army Ranks | 0 | - | 4.48 | 103,587 |
| Top 30 Most Powerful Militaries | 0 | - | 4.52 | 176,026 |
| Countries with Aircraft Carriers | 0 | - | 4.75 | 123,403 |
| Names of Army Units | 0 | - | 4.63 | 36,935 |
| Formula One Countries Visited | 0 | - | 4.96 | 143,629 |
| Formula 1: Top 3 in Driver's Championship | 0 | - | 4.96 | 100,990 |
| All F1 Grand Prix Winners | 0 | - | 4.85 | 90,176 |
| Coldest Countries | 0 | - | 4.97 | 138,460 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,583 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,708 |
| IMDB Top 100 Movies | 0 | - | 4.45 | 205,083 |
| Authors with Books Turned into Movies | 0 | - | 4.45 | 62,940 |
| Corporate Partnerships | 0 | - | 4.56 | 36,924 |
| Prime Numbers 1-100 | 0 | - | 4.53 | 126,997 |
| Perfect Squares | 0 | - | 4.51 | 102,410 |
| Digits of Pi | 0 | - | 4.24 | 1,162,873 |
| Mathematics General Knowledge | 0 | - | 4.47 | 67,024 |
| Major World Religions | 0 | - | 4.78 | 93,456 |
