| Countries with the Most Skyscrapers | 0 | - | 4.93 | 144,790 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,811 |
| Countries with the Tallest Buildings | 0 | - | 4.93 | 104,956 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,144 |
| Tall Building Cities - United States | 0 | - | 4.48 | 68,512 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,869 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,487 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,908 |
| Cities with the Tallest Buildings | 0 | - | 4.17 | 84,767 |
| "Second Best" History Edition | 0 | - | 4.94 | 64,337 |
| Normandy D-Day Beaches | 0 | - | 4.84 | 40,762 |
| Territory Changes in World War I | 0 | - | 4.88 | 47,307 |
| Empires A-Z | 0 | - | 4.52 | 45,497 |
| People Depicted in Paintings | 0 | - | 4.55 | 44,842 |
| History by Letter - A | 0 | - | 4.51 | 153,952 |
| History by Letter - B | 0 | - | 4.45 | 173,369 |
| History by Letter - C | 0 | - | 4.70 | 172,712 |
| History by Letter - E | 0 | - | 4.51 | 141,545 |
| History by Letter - G | 0 | - | 4.46 | 122,941 |
| History by Letter - H | 0 | - | 4.45 | 137,632 |
| History by Letter - J | 0 | - | 4.51 | 155,069 |
| History by Letter - N | 0 | - | 4.45 | 104,834 |
| History by Letter - S | 0 | - | 4.47 | 95,013 |
| History by Letter - W | 0 | - | 4.45 | 110,255 |
| History by Letter - M | 0 | - | 4.54 | 120,734 |
| History by Letter - K | 0 | - | 4.50 | 102,042 |
| History by Letter - L | 0 | - | 4.50 | 112,842 |
| History by Letter - I | 0 | - | 4.46 | 105,061 |
| NATO Military Alphabet | 0 | - | 4.98 | 564,748 |
| Famous Battles Quiz | 0 | - | 4.21 | 49,160 |
| Name the War | 0 | - | 4.37 | 202,931 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,646 |
| Famous Firsts #1 | 0 | - | 4.40 | 69,458 |
| Famous Families #1 | 0 | - | 4.20 | 83,762 |
| Names for Warriors | 0 | - | 4.40 | 37,071 |
| Famous Firsts #2 | 0 | - | 4.01 | 81,445 |
| Former Countries by Territory Map | 0 | - | 4.96 | 104,114 |
| Empires by Maps | 0 | - | 4.98 | 122,395 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,880 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,926 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,973 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 54,199 |
| The 7 Wonders of the Ancient World | 0 | - | 4.86 | 82,648 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,766 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,506 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,469 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,505 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,588 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,783 |
| Countries by Military Spending | 0 | - | 4.93 | 179,109 |
| Countries with the Most Skyscrapers per Capita | 0 | - | 4.69 | 72,827 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,326,813 |
| Classic Novels by Plot #2 | 0 | - | 4.86 | 38,625 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 121,815 |
| Metals of Antiquity | 0 | - | 4.95 | 93,993 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,190 |
| History: What Came First? #1 | 0 | - | 4.87 | 106,072 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,489 |
| WWI... or WWII? | 0 | - | 4.85 | 143,701 |
| Oldest Things | 0 | - | 3.92 | 65,719 |
| Famous Firsts #3 - The United States | 0 | - | 4.20 | 14,953 |
| 20th Century A-Z | 0 | - | 4.50 | 54,015 |
| 19th Century A-Z | 0 | - | 4.77 | 47,497 |
| 18th Century A-Z | 0 | - | 4.54 | 43,350 |
| History by Letter - D | 0 | - | 4.40 | 138,637 |
| History by Letter - F | 0 | - | 4.19 | 115,117 |
| History by Letter - O | 0 | - | 4.32 | 100,308 |
| History by Letter - P | 0 | - | 4.36 | 108,507 |
| History by Letter - Q | 0 | - | 4.34 | 80,822 |
| History by Letter - R | 0 | - | 4.26 | 122,851 |
| History by Letter - T | 0 | - | 4.39 | 105,842 |
| History by Letter - U | 0 | - | 4.19 | 101,355 |
| History by Letter - V | 0 | - | 4.27 | 81,240 |
| History by Letter - Y | 0 | - | 4.27 | 87,751 |
| History by Letter - Z | 0 | - | 4.20 | 77,478 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,358 |
| History Containing the Letter X | 0 | - | 4.47 | 27,157 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,541 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,259 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,679 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 158,678 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,490 |
| Influential Women in History | 0 | - | 4.43 | 36,541 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,388 |
| Cradles of Civilization | 0 | - | 4.46 | 40,518 |
| Materials From History #1 | 0 | - | 4.56 | 52,103 |
| Historical Countries by Ruler | 0 | - | 4.48 | 49,318 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 710,438 |
| Notable People of WWII | 0 | - | 4.53 | 86,613 |
| WWII Trivia #2 | 0 | - | 4.52 | 104,671 |
| World War I Quiz | 0 | - | 4.78 | 102,132 |
| WWI A-Z | 0 | - | 4.51 | 38,646 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,714 |
| Famous Explorers | 0 | - | 4.58 | 36,395 |
| Famous Empires by Description | 0 | - | 4.74 | 119,032 |
| Answers by Time Period | 0 | - | 4.64 | 55,924 |
| Coups d'Etat - Name the Country | 0 | - | 4.43 | 42,154 |
| People in History A-Z #5 | 0 | - | 4.09 | 32,140 |
| People in History by Wikipedia Descriptions #4 | 0 | - | 4.41 | 30,805 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,281 |
| 16th Century A-Z | 0 | - | 4.59 | 25,034 |
| 15th Century A-Z | 0 | - | 4.50 | 24,029 |
| 14th Century A-Z | 0 | - | 4.41 | 24,518 |
| 17th Century A-Z | 0 | - | 4.78 | 34,775 |
| Same Start and End Letter - History #1 | 0 | - | 4.18 | 24,811 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,801 |
| History Ending in Z | 0 | - | 4.35 | 13,604 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,289 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,768 |
| Most Important People in History | 0 | - | 3.98 | 51,004 |
| Top Arms Exporting Countries | 0 | - | 4.97 | 105,720 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 184,550 |
| Countries with the Least Dense Road Networks | 0 | - | 4.82 | 41,839 |
| Formula One World Champions | 0 | - | 4.96 | 395,283 |
| Monarchies of the World | 0 | - | 4.94 | 170,423 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,895 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 113,185 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 115,297 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,638 |
| Disney Animated Characters | 0 | - | 4.88 | 603,059 |
| Numbers Tile Select Quiz | 0 | - | 4.98 | 75,401 |
| People on Money by Country | 0 | - | 4.83 | 60,746 |
| Fast Math - Addition | 0 | - | 4.87 | 525,280 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.79 | 805,365 |
| Astronomy Quiz | 0 | - | 4.90 | 83,371 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 138,608 |
| Solar System Trivia | 0 | - | 4.93 | 47,237 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 93,125 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 66,245 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,014 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 155,582 |
| Geography by Letter - T | 0 | - | 4.84 | 155,380 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 170,276 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 88,538 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.84 | 40,421 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 118,046 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,663 |
| Former Flags | 0 | - | 4.97 | 108,728 |
| Years in History by Picture | 0 | - | 4.45 | 35,909 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,881 |
| Materials From History #2 | 0 | - | 4.59 | 31,620 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,492 |
| All World Leaders 2026 | 0 | - | 4.95 | 21,088 |
| WWII Trivia #1 | 0 | - | 4.36 | 178,659 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,439 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,925 |
| Cold War Decoder | 0 | - | 4.83 | 52,689 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,503 |
| Events in History #2 | 0 | - | 4.49 | 72,010 |
| Events in History #3 | 0 | - | 4.41 | 71,927 |
| Events in History #4 | 0 | - | 4.44 | 44,506 |
| Name a Valid Year in History | 0 | - | 4.93 | 68,016 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 49,187 |
| Assassinations in History | 0 | - | 4.21 | 66,455 |
| Famous Founders in the U.S. | 0 | - | 4.02 | 34,810 |
| Famous Seconds | 0 | - | 4.22 | 46,884 |
| Ages and Eras | 0 | - | 4.39 | 67,959 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,582 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,933 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,320 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 76,157 |
| Female Historical Figures | 0 | - | 4.28 | 33,399 |
| Historical Blunders | 0 | - | 4.34 | 92,736 |
| People Who Died in Battle | 0 | - | 4.35 | 22,380 |
| Territorial Accessions | 0 | - | 4.34 | 34,948 |
| People Known as "The Great" | 0 | - | 4.46 | 24,805 |
| This Day in History - July | 0 | - | 4.49 | 36,521 |
| This Day in History - August | 0 | - | 4.42 | 43,436 |
| This Day in History - September | 0 | - | 4.55 | 57,582 |
| This Day in History - October | 0 | - | 4.49 | 37,692 |
| This Day in History - January | 0 | - | 4.48 | 46,807 |
| This Day in History - March | 0 | - | 4.45 | 43,760 |
| Ancient Civilizations | 0 | - | 4.64 | 38,160 |
| History Generator Puzzle #1 | 0 | - | 4.00 | 39,801 |
| History Generator Puzzle #3 | 0 | - | 4.03 | 20,421 |
| History Generator Puzzle #6 | 0 | - | 4.05 | 17,549 |
| History Generator Puzzle #5 | 0 | - | 4.18 | 20,070 |
| History Generator Puzzle #8 | 0 | - | 4.14 | 18,864 |
| History Generator Puzzle #7 | 0 | - | 4.13 | 20,702 |
| The Places They Went #1 | 0 | - | 4.74 | 33,584 |
| Famous Inventors | 0 | - | 4.44 | 43,608 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,309 |
| European History for Dummies | 0 | - | 4.83 | 90,445 |
| People in History A-Z #4 | 0 | - | 4.11 | 23,199 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.08 | 1,016,864 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,611 |
| U.S. Army Ranks | 0 | - | 4.49 | 103,979 |
| Top 30 Most Powerful Militaries | 0 | - | 4.52 | 176,808 |
| Countries with Aircraft Carriers | 0 | - | 4.75 | 123,682 |
| Names of Army Units | 0 | - | 4.67 | 37,163 |
| Formula One Countries Visited | 0 | - | 4.97 | 158,103 |
| Formula 1: Top 3 in Driver's Championship | 0 | - | 4.96 | 103,083 |
| All F1 Grand Prix Winners | 0 | - | 4.85 | 91,601 |
| Coldest Countries | 0 | - | 4.97 | 139,482 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,961 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 83,088 |
| IMDB Top 100 Movies | 0 | - | 4.45 | 206,422 |
| Authors with Books Turned into Movies | 0 | - | 4.45 | 63,197 |
| Corporate Partnerships | 0 | - | 4.56 | 37,015 |
| Prime Numbers 1-100 | 0 | - | 4.53 | 127,721 |
