| People Depicted in Paintings | 0 | - | 4.54 | 44,661 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,161 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,356 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,753 |
| "Second Best" History Edition | 0 | - | 4.94 | 63,053 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,106 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,446 |
| Empires A-Z | 0 | - | 4.52 | 45,196 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,450 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,801 |
| History by Letter - A | 0 | - | 4.51 | 153,233 |
| History by Letter - B | 0 | - | 4.45 | 172,540 |
| History by Letter - C | 0 | - | 4.70 | 171,804 |
| History by Letter - E | 0 | - | 4.51 | 140,874 |
| History by Letter - G | 0 | - | 4.46 | 122,358 |
| History by Letter - H | 0 | - | 4.45 | 136,976 |
| History by Letter - J | 0 | - | 4.51 | 154,311 |
| History by Letter - N | 0 | - | 4.45 | 104,248 |
| History by Letter - S | 0 | - | 4.47 | 94,550 |
| History by Letter - W | 0 | - | 4.45 | 109,720 |
| History by Letter - M | 0 | - | 4.54 | 120,050 |
| History by Letter - K | 0 | - | 4.50 | 101,541 |
| History by Letter - L | 0 | - | 4.50 | 112,286 |
| History by Letter - I | 0 | - | 4.46 | 104,575 |
| NATO Military Alphabet | 0 | - | 4.98 | 560,299 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 802,680 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,858 |
| Empires by Maps | 0 | - | 4.98 | 120,550 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,745 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,999 |
| Name the War | 0 | - | 4.37 | 201,688 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,549 |
| Famous Firsts #1 | 0 | - | 4.40 | 69,070 |
| Famous Families #1 | 0 | - | 4.20 | 83,613 |
| Names for Warriors | 0 | - | 4.40 | 36,940 |
| Famous Firsts #2 | 0 | - | 4.01 | 81,046 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,407 |
| Countries by Military Spending | 0 | - | 4.93 | 177,780 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 38,143 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,853 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,063 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,136 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,206 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,373 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,482 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,693 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,317,241 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,368 |
| History by Letter - D | 0 | - | 4.40 | 138,008 |
| History by Letter - F | 0 | - | 4.18 | 114,636 |
| History by Letter - O | 0 | - | 4.32 | 99,669 |
| History by Letter - P | 0 | - | 4.36 | 108,001 |
| History by Letter - Q | 0 | - | 4.34 | 80,463 |
| History by Letter - R | 0 | - | 4.26 | 122,373 |
| History by Letter - T | 0 | - | 4.39 | 105,431 |
| History by Letter - U | 0 | - | 4.19 | 100,946 |
| History by Letter - V | 0 | - | 4.27 | 80,896 |
| History by Letter - Y | 0 | - | 4.27 | 87,414 |
| History by Letter - Z | 0 | - | 4.20 | 77,178 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,263 |
| History Containing the Letter X | 0 | - | 4.47 | 27,051 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,458 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,152 |
| People Portrayed by Andy Warhol | 0 | - | 4.35 | 37,984 |
| Influential Women in History | 0 | - | 4.42 | 35,686 |
| Metals of Antiquity | 0 | - | 4.95 | 93,458 |
| Cradles of Civilization | 0 | - | 4.46 | 39,724 |
| Materials From History #1 | 0 | - | 4.56 | 51,609 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,737 |
| History: What Came First? #1 | 0 | - | 4.87 | 105,306 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 707,776 |
| WWI... or WWII? | 0 | - | 4.85 | 142,287 |
| Oldest Things | 0 | - | 3.92 | 65,662 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,823 |
| Biggest Nations and Empires Ever | 0 | - | 4.52 | 145,972 |
| Famous Explorers | 0 | - | 4.58 | 36,185 |
| Famous Empires by Description | 0 | - | 4.73 | 118,487 |
| Answers by Time Period | 0 | - | 4.64 | 55,606 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,653 |
| 20th Century A-Z | 0 | - | 4.50 | 53,755 |
| 19th Century A-Z | 0 | - | 4.77 | 47,311 |
| 18th Century A-Z | 0 | - | 4.54 | 43,188 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,323 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,282 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,166 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,247 |
| Notable People of WWII | 0 | - | 4.53 | 85,943 |
| WWII Trivia #2 | 0 | - | 4.52 | 104,186 |
| World War I Quiz | 0 | - | 4.78 | 101,311 |
| WWI A-Z | 0 | - | 4.50 | 38,354 |
| Same Start and End Letter - History #1 | 0 | - | 4.18 | 24,750 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,686 |
| History Ending in Z | 0 | - | 4.35 | 13,537 |
| Most Important People in History | 0 | - | 3.98 | 50,718 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,970 |
| People in History by Wikipedia Descriptions #4 | 0 | - | 4.41 | 30,748 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 91,564 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 180,756 |
| Countries with the Least Dense Road Networks | 0 | - | 4.81 | 41,596 |
| Monarchies of the World | 0 | - | 4.94 | 168,766 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 112,710 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,953 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,437 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,181 |
| Numbers Tile Select Quiz | 0 | - | 4.98 | 74,803 |
| People on Money by Country | 0 | - | 4.83 | 60,412 |
| Astronomy Quiz | 0 | - | 4.90 | 82,638 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 137,319 |
| Solar System Trivia | 0 | - | 4.93 | 46,681 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,830 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,753 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,412 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 151,745 |
| Geography by Letter - T | 0 | - | 4.84 | 154,114 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 168,238 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 87,667 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.84 | 39,821 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 117,388 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,465 |
| Years in History by Picture | 0 | - | 4.44 | 35,535 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,605 |
| Materials From History #2 | 0 | - | 4.59 | 31,491 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,419 |
| Events in History #2 | 0 | - | 4.49 | 71,736 |
| Events in History #3 | 0 | - | 4.41 | 71,710 |
| Events in History #4 | 0 | - | 4.44 | 44,322 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 49,017 |
| Assassinations in History | 0 | - | 4.21 | 66,223 |
| Famous Seconds | 0 | - | 4.22 | 46,580 |
| Ages and Eras | 0 | - | 4.39 | 67,725 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,485 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,802 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,177 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 76,013 |
| Female Historical Figures | 0 | - | 4.28 | 33,255 |
| Historical Blunders | 0 | - | 4.34 | 91,969 |
| Territorial Accessions | 0 | - | 4.34 | 34,796 |
| People Known as "The Great" | 0 | - | 4.46 | 24,686 |
| This Day in History - July | 0 | - | 4.49 | 36,458 |
| This Day in History - August | 0 | - | 4.42 | 43,362 |
| This Day in History - September | 0 | - | 4.55 | 57,453 |
| This Day in History - October | 0 | - | 4.49 | 37,631 |
| This Day in History - January | 0 | - | 4.47 | 46,721 |
| This Day in History - March | 0 | - | 4.45 | 43,673 |
| Ancient Civilizations | 0 | - | 4.64 | 37,975 |
| 16th Century A-Z | 0 | - | 4.58 | 24,914 |
| 15th Century A-Z | 0 | - | 4.49 | 23,934 |
| 14th Century A-Z | 0 | - | 4.41 | 24,401 |
| 17th Century A-Z | 0 | - | 4.78 | 34,645 |
| The Places They Went #1 | 0 | - | 4.74 | 33,534 |
| Famous Inventors | 0 | - | 4.44 | 43,545 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,014,018 |
| U.S. Army Ranks | 0 | - | 4.48 | 103,603 |
| Top 30 Most Powerful Militaries | 0 | - | 4.52 | 176,065 |
| Countries with Aircraft Carriers | 0 | - | 4.75 | 123,415 |
| Names of Army Units | 0 | - | 4.63 | 36,954 |
| Formula One World Champions | 0 | - | 4.96 | 390,604 |
| IMDB Top 100 Movies | 0 | - | 4.45 | 205,146 |
| Disney Animated Characters | 0 | - | 4.88 | 601,517 |
| Authors with Books Turned into Movies | 0 | - | 4.45 | 62,959 |
| Corporate Partnerships | 0 | - | 4.56 | 36,927 |
| Prime Numbers 1-100 | 0 | - | 4.53 | 127,050 |
| Perfect Squares | 0 | - | 4.51 | 102,424 |
| Digits of Pi | 0 | - | 4.24 | 1,163,053 |
| Fast Math - Addition | 0 | - | 4.87 | 522,967 |
| Mathematics General Knowledge | 0 | - | 4.47 | 67,068 |
| Major World Religions | 0 | - | 4.78 | 93,473 |
| Religion General Knowledge #1 | 0 | - | 4.41 | 92,379 |
| Religion General Knowledge #2 | 0 | - | 4.47 | 73,995 |
| Religion General Knowledge #3 | 0 | - | 4.46 | 69,405 |
| Religion General Knowledge #5 | 0 | - | 4.51 | 46,251 |
| Former Flags | 0 | - | 4.97 | 107,775 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,025 |
| All World Leaders 2026 | 0 | - | 4.94 | 20,218 |
| WWII Trivia #1 | 0 | - | 4.36 | 177,759 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,017 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,680 |
| Cold War Decoder | 0 | - | 4.83 | 52,369 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,262 |
| People Who Died in Battle | 0 | - | 4.35 | 22,324 |
| History Generator Puzzle #1 | 0 | - | 4.00 | 39,734 |
| History Generator Puzzle #3 | 0 | - | 4.03 | 20,374 |
| History Generator Puzzle #6 | 0 | - | 4.05 | 17,516 |
| History Generator Puzzle #5 | 0 | - | 4.18 | 20,022 |
| History Generator Puzzle #8 | 0 | - | 4.14 | 18,829 |
| History Generator Puzzle #7 | 0 | - | 4.16 | 20,485 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,949 |
| People in History A-Z #4 | 0 | - | 4.11 | 23,045 |
| Countries with the Most Skyscrapers | 0 | - | 4.93 | 144,139 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,567 |
| Countries with the Tallest Buildings | 0 | - | 4.93 | 104,408 |
| Formula One Countries Visited | 0 | - | 4.96 | 143,732 |
| Formula 1: Top 3 in Driver's Championship | 0 | - | 4.96 | 101,079 |
| All F1 Grand Prix Winners | 0 | - | 4.85 | 90,249 |
| Coldest Countries | 0 | - | 4.97 | 138,513 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,607 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,733 |
| Country Logic Puzzle 4x4 – Sudoku style | 0 | - | 5.00 | 28,023 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 82,318 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 108,042 |
